Document

As filed with the Securities and Exchange Commission on November 1, 2022
Registration Statement No. 333-264544
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
POST-EFFECTIVE AMENDMENT NO. 1
TO
FORM S-1
ON
FORM S-3
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
2seventy bio, Inc.
(Exact name of registrant as specified in its charter)
Delaware
(State or other jurisdiction of incorporation or organization)
86-3658454
(I.R.S. Employer Identification Number)
60 Binney Street
Cambridge, Massachusetts, 02142
(339) 499-9300
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
Nick Leschly
President and Chief Executive Officer
2seventy bio, Inc.
60 Binney Street
Cambridge, Massachusetts, 02142
(339) 499-9300
(Name, address, including zip code, and telephone number, including area code, of agent for service)
Copies to:
Michael H. Bison
Gregg L. Katz
Yasin E. Akbari
Goodwin Procter LLP
100 Northern Avenue
Boston, Massachusetts, 02210
(617) 570-1000
Teresa Jurgensen
Vice President, General Counsel
2seventy bio, Inc.
60 Binney Street
Cambridge, Massachusetts, 02142
(339) 499-9300
Approximate date of commencement of proposed sale to the public: From time to time after this registration statement becomes effective.
If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box: ☐
If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box: ☒
If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐
If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐
If this Form is a registration statement pursuant to General Instructions I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☐
If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filer
Non-accelerated filerSmaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐
The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with Section 8(a) of the Securities Act of 1933 or until this registration statement shall become effective on such date as the Securities and Exchange Commission, acting pursuant to said Section 8(a), may determine.



EXPLANATORY NOTE
On April 28, 2022, the registrant filed a Registration Statement on Form S-1 (Registration No. 333-264544) which was declared effective by the Securities and Exchange Commission, or the SEC, on May 6, 2022, or the Registration Statement.
This Post-Effective Amendment No. 1 to Form S-1 on Form S-3, or the Post-Effective Amendment No. 1, is being filed by the registrant to convert the Registration Statement on Form S-1 into a Registration Statement on Form S-3.
No additional securities are being registered under this Post-Effective Amendment No. 1. All applicable registration fees were paid at the time of the original filing of the Registration Statement.



The information in this preliminary prospectus is not complete and may be changed. These securities may not be sold until the registration statement filed with the Securities and Exchange Commission is effective. This preliminary prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.
Subject to Completion, dated November 1, 2022
PRELIMINARY PROSPECTUS
13,934,427 Shares
https://cdn.kscope.io/cbf1c708d07ed7e0bba27ceada0b3ddc-a2seventybioa.jpg
Common Stock
This prospectus relates to the resale of up to 13,934,427 shares of our common stock by the selling stockholders named in this prospectus or in supplements to this prospectus. See “Selling Stockholders.” We are registering the applicable shares of our common stock to provide the selling stockholders with freely tradable securities. The registration of the shares of our common stock covered by this prospectus does not necessarily mean that any shares of our common stock will be sold by any of the selling stockholders, and we cannot predict when or in what amounts any of the selling stockholders may sell any of our shares of common stock offered by this prospectus. The prices at which the selling stockholders may sell the shares of our common stock will be determined by prevailing market prices or at prices that may be obtained in negotiated transactions. We are filing the registration statement of which this prospectus is a part pursuant to contractual obligations that exist with the selling stockholders, as described in more detail in this prospectus under “Selling Stockholders” and “The Private Placement.”
We are not selling any shares of our common stock under this prospectus and will not receive any proceeds from any sale or disposition by the selling stockholders of the shares of our common stock covered by this prospectus. In addition, we have agreed to pay certain fees and expenses incident to our contractual obligations to register the shares of our common stock. The selling stockholders from time to time may offer and sell the shares of our common stock held by them directly or through one or more underwriters, broker-dealers or agents on terms to be determined at the time of sale, as described in more detail in this prospectus under “Plan of Distribution.” No shares of our common stock may be sold without delivery of this prospectus describing the method and terms of the offering of such shares.
Our common stock trades on the Nasdaq Global Select Market, or Nasdaq, under the symbol “TSVT.” On October 31, 2022, the last reported sale price of our common stock on Nasdaq was $15.88 per share.
We are an “emerging growth company,” as that term is defined under the federal securities laws and, as such, are subject to certain reduced public company reporting requirements. See “Implications of Being an Emerging Growth Company.”
INVESTING IN OUR SECURITIES INVOLVES A HIGH DEGREE OF RISK. YOU SHOULD CAREFULLY READ AND CONSIDER THE RISK FACTORS DESCRIBED IN THIS PROSPECTUS AND IN THE DOCUMENTS INCORPORATED BY REFERENCE INTO THIS PROSPECTUS. SEE “RISK FACTORS” ON PAGE 7 BEFORE MAKING A DECISION TO INVEST IN OUR SECURITIES.
Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or passed upon the adequacy or accuracy of this prospectus. Any representation to the contrary is a criminal offense.
THE DATE OF THIS PROSPECTUS IS                      , 2022.



TABLE OF CONTENTS
Page
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ABOUT THIS PROSPECTUS
This prospectus is part of a registration statement on Form S-3 that we filed with the Securities and Exchange Commission, or the SEC, using the “shelf” registration process. Under this shelf registration process, the selling stockholders and their permitted transferees may, from time to time, sell the shares of common stock offered by them described in this prospectus. We will not receive any proceeds from the sale by selling stockholders of the shares of common stock offered by them described in this prospectus.
This prospectus provides you with a general description of the securities we may offer. Each time a selling stockholder sells shares of our common stock, we or the selling stockholder will provide a prospectus and any prospectus supplement containing specific information about the terms of the applicable offering, as required by applicable law. The prospectus supplement may also add, update or change information in this prospectus or in documents incorporated by reference in this prospectus. To the extent that any statement that we or the selling stockholders make in a prospectus supplement is inconsistent with statements made in this prospectus or in documents incorporated by reference in this prospectus, the statements made or incorporated by reference in this prospectus will be deemed modified or superseded by those made in the prospectus supplement. You should carefully read both this prospectus and any applicable prospectus supplement together with the additional information described under the heading “Where You Can Find More Information” and “Incorporation of Certain Documents by Reference” before buying any shares of our common stock offered in this offering.
No person has been authorized to give any information or make any representations in connection with this offering other than those contained or incorporated by reference in this prospectus in connection with the offering described in this prospectus, and, if given or made, such information or representations must not be relied upon as having been authorized by us. This prospectus shall not constitute an offer to sell or a solicitation of an offer to buy offered securities in any jurisdiction in which it is unlawful for such person to make such an offering or solicitation. Neither the delivery of this prospectus nor any sale made hereunder shall under any circumstances imply that the information contained or incorporated by reference in this prospectus is correct as of any date subsequent to the date of this prospectus or the date of the document incorporated by reference, as applicable. Our business, financial condition, results of operations and prospects may have changed since those dates.
The selling stockholders may use the shelf registration statement from time to time offer and sell, transfer or otherwise dispose of any or all of the shares of our common stock covered by this prospectus directly or through one or more underwriters, broker-dealers or agents on terms to be determined at the time of sale. A prospectus supplement may describe the terms of the plan of distribution and set forth the names of any underwriters involved in the sale of our common stock. See “Plan of Distribution” for more information.
For purposes of this prospectus, references to the terms “TSVT,” “the Company,” “we,” “us” and “our” refer to 2seventy bio, Inc., together with its subsidiary, unless the context otherwise requires.
The registration statement containing this prospectus, including exhibits to the registration statement, provides additional information about us and the common stock offered under this prospectus. The registration statement can be read at the SEC’s website or at the SEC offices mentioned under the heading “Where You Can Find More Information.”
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THE COMPANY
This summary highlights information contained elsewhere in this prospectus. This summary does not contain all of the information that you should consider before deciding to invest in our common stock. You should read this entire prospectus carefully, including the “Risk Factors” section, as well as our historical financial statements and the notes thereto which are incorporated by reference in this prospectus.
Overview
We are a cell and gene therapy company focused on the research, development, and commercialization of transformative treatments for cancer. We are led by an accomplished team with significant expertise and experience in this field, from discovery through clinical development to regulatory approval of ABECMA (idecabtagene vicleucel, or ide-cel), the first chimeric antigen receptor, or CAR T, cell therapy approved by the U.S. Food and Drug Administration, or FDA, for multiple myeloma. Our approach combines our expertise in T cell engineering technology and lentiviral vector gene delivery approaches, experience in research, development, and manufacturing of cell therapies and a suite of technologies that can be selectively deployed to develop highly innovative, targeted cellular therapies for patients with cancer. We are advancing multiple clinical programs, including DARIC33, for the treatment of pediatric patients with relapsed and refractory acute myeloid leukemia and bbT369, for the treatment of patients with B-cell non-Hodgkins lymphoma as well as multiple preclinical programs, including bbT4015, an engineered CAR T cell therapy targeting MUC16. Additionally, together with our partner Bristol-Myers Squibb, or BMS, we are delivering ABECMA to multiple myeloma patients in the United States following approval by the FDA of ABECMA in March 2021 for the treatment of adults with multiple myeloma who have received at least four prior lines of therapy, including an immunomodulatory agent, a proteasome inhibitor and an anti-CD38 (cyclic ADP ribose hydrolase) monoclonal antibody.
Private Placement
On March 17, 2022, we completed a private placement in which we issued and sold an aggregate of 13,934,427 shares of our common stock to the selling stockholders, which shares of common stock are being registered hereunder (the “Private Placement”). The shares were purchased pursuant to agreements (the “Purchase Agreements”) with each of the selling stockholders. At, and as a condition to, the closing of the Private Placement, the Company and the purchasers entered into a registration rights agreement (the “PIPE Registration Rights Agreement”), pursuant to which we have filed this registration statement. See “The Private Placement.”
Corporate Information
2seventy bio, Inc. was incorporated in the State of Delaware on April 26, 2021 for the purpose of holding bluebird bio, Inc.’s oncology portfolio and programs in connection with the separation of bluebird bio’s oncology portfolio and programs from its severe genetic disease portfolio and programs. The contribution of this business to us occurred over a period of time prior to the completion of the separation, and we had no operations prior to such contribution. In that regard, on November 3, 2021, the Company entered into a separation agreement with bluebird bio, and on November 4, 2021, each bluebird bio stockholder received a pro rata share of 2seventy bio's common stock for every share of bluebird bio common stock held of record at the close of business on the record date for such distribution. As a result of such distribution, 2seventy bio became an independent, publicly traded company.
The address of our principal executive offices is 60 Binney Street, Cambridge, Massachusetts 02142 and our telephone number is 617-675-7270 . We also maintain a website at www.2seventybio.com. The information contained in or accessible from our website is not incorporated into this prospectus, and you should not consider it part of this prospectus. We have included our website address in this prospectus solely as an inactive textual reference.
Implications of Being an Emerging Growth Company
We are an “emerging growth company,” under the JOBS Act. Section 107 of the JOBS Act provides that an emerging growth company can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act of 1933, as amended, or the Securities Act, for complying with new or revised accounting
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standards. Thus, an emerging growth company can delay the adoption of certain accounting standards until those standards would otherwise apply to private companies. We have elected to avail ourselves of delayed adoption of new or revised accounting standards and, therefore, we will be subject to the same requirements to adopt new or revised accounting standards as private entities. As an emerging growth company, we may take advantage of certain exemptions and reduced reporting requirements under the JOBS Act. Subject to certain conditions, as an emerging growth company and a smaller reporting company:
we may present only two years of audited financial statements and only two years of related Management’s Discussion and Analysis of Financial Condition and Results of Operations in our periodic reports and registration statements;
we may avail ourselves of the exemption from providing an auditor’s attestation report on our system of internal controls over financial reporting pursuant to Section 404(b) of the Sarbanes-Oxley Act;
we may provide reduced disclosure about our executive compensation arrangements; and
we may not require nonbinding advisory votes on executive compensation or stockholder approval of any golden parachute payments.
We will remain an emerging growth company until the earliest of (i) December 31, 2025, (ii) the last day of the fiscal year in which we have total annual gross revenues of $1.235 billion or more, (iii) the last day of the fiscal year in which we are deemed to be a “large accelerated filer” as defined in Rule 12b-2 under the Exchange Act, which would occur if the market value of our common stock held by non-affiliates exceeded $700.0 million as of the last business day of the second fiscal quarter of such year, provided we have been subject to the Exchange Act for at least 12 calendar months and have filed at least one annual report pursuant to the Exchange Act or (iv) the date on which we have issued more than $1.0 billion in non-convertible debt securities during the prior three-year period. We may choose to take advantage of some but not all of these exemptions.
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THE OFFERING
The following summary of the offering contains basic information about the offering and our Common Stock and is not intended to be complete. It does not contain all the information that may be important to you. For a more complete understanding of our Common Stock, please refer to the section titled “Description of Common Stock.”
Common stock offered by the selling stockholders 13,934,427 shares
Common Stock to be Outstanding Immediately after this Offering 37,913,358
Use of ProceedsAll proceeds from the sale of the shares of common stock under this prospectus will be for the account of the selling stockholders. We will not receive any proceeds from the sale of our shares of common stock offered pursuant to this prospectus
Risk Factors Any investment in the common stock offered hereby is speculative and involves a high degree of risk. You should carefully consider the information set forth under “Risk Factors” elsewhere in this prospectus.
Nasdaq Global Select Market Symbol “TSVT”
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CAUTIONARY NOTE REGARDING FORWARD-LOOKING INFORMATION
This prospectus, and the documents incorporated by reference in this prospectus, contain express or implied forward-looking statements that are based on our management’s belief and assumptions and on information currently available to our management. These statements relate to future events or our future operational or financial performance and involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by these forward-looking statements. Forward-looking statements in this prospectus include, but are not limited to, statements about:
our business and operations following the separation from bluebird bio and any benefits or costs of the separation, including the tax treatment;
our post-separation relationships with bluebird bio, third parties, collaborators and our employees;
our ability to operate as a stand-alone company and execute our strategic priorities;
our ability to finance our operations and business initiatives and obtain funding for such activities;
the timing, investment and associated activities involved in developing, obtaining regulatory approval for, launching, and commercializing our product candidates;
our plans with respect to the development, manufacture or sale of our product candidates and the associated timing thereof, including the design and results of pre-clinical and clinical studies;
the safety profile and related adverse events of our product candidates;
the efficacy and perceived therapeutic benefits of our product candidates and the potential indications and market opportunities therefor;
U.S. and foreign regulatory requirements for our product candidates, including any post-approval development and regulatory requirements, and the ability of our product candidates to meet such requirements;
our ability to attract and retain key employees needed to execute our business plans and strategies and our expectations regarding our ability to manage the impact of any loss of key employees;
our ability to obtain and maintain intellectual property protection for our product candidates and the strength thereof;
our future financial performance, revenues, expense levels, payments, cash flows, profitability, tax obligations, capital raising and liquidity sources, real estate needs and concentration of voting control, as well as the timing and drivers thereof, and internal control over financial reporting;
our ability to compete with other companies that are or may be developing or selling products that are competitive with our product candidates;
the status of government regulation in the life sciences industry, particularly with respect to healthcare reform;
the potential benefits of strategic collaboration agreements;
potential indemnification liabilities 2seventy bio may owe to bluebird bio after the separation;
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the tax treatment of the distribution and the limitations imposed on 2seventy bio under the tax matters agreement that 2seventy bio entered into with bluebird bio in connection with the separation and distribution; and
trends and challenges in our potential markets.
In some cases, you can identify forward-looking statements by terminology such as “may,” “should,” “expects,” “intends,” “plans,” “anticipates,” “believes,” “estimates,” “predicts,” “potential,” “continue” or the negative of these terms or other comparable terminology. These statements are only predictions. You should not place undue reliance on forward-looking statements because they involve known and unknown risks, uncertainties, and other factors, which are, in some cases, beyond our control and which could materially affect results. Factors that may cause actual results to differ materially from current expectations include, among other things, those listed under the section titled “Risk Factors” in our Annual Report on Form 10-K for the year ended December 31, 2021, as filed with the SEC on March 22, 2022, and elsewhere in this prospectus. The impact of these risks or uncertainties may cause actual events or results to vary significantly from those implied or projected by the forward-looking statements. No forward-looking statement is a guarantee of future performance. You should read this prospectus and the documents that we reference in this prospectus and have filed with the Securities and Exchange Commission as exhibits to the registration statement, of which this prospectus forms a part, completely and with the understanding that our actual future results may be materially different from any future results expressed or implied by these forward-looking statements.
Subsequent events and developments may impact matters implied by these forward looking statements and cause our expectations to change. However, while we may elect to update these forward-looking statements at some point in the future, we have no current intention of doing so except to the extent required by applicable law.
This prospectus also contains estimates, projections and other information concerning our industry, our business and the markets for our product candidates. Information that is based on estimates, forecasts, projections, market research or similar methodologies is inherently subject to uncertainties and actual events or circumstances may differ materially from events and circumstances that are assumed in this information. Unless otherwise expressly stated, we obtained this industry, business, market, and other data from our own internal estimates and research as well as from reports, research surveys, studies, and similar data prepared by market research firms and other third parties, industry, medical and general publications, government data and similar sources. While we are not aware of any misstatements regarding any third-party information presented in this prospectus, their estimates, in particular, as they relate to projections, involve numerous assumptions, are subject to risks and uncertainties and are subject to change based on various factors, including those discussed under the section titled “Risk Factors” and elsewhere in this prospectus.
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THE PRIVATE PLACEMENT
On March 17, 2022, we completed a private placement in which we issued and sold an aggregate of 13,934,427 shares of our common stock to the selling stockholders for a purchase price of $12.20 per share, for aggregate gross proceeds to us of approximately $170 million, before deducting offering commissions and estimated offering expenses payable by us, which shares of common stock are being registered hereunder (the “Private Placement”). The shares were purchased pursuant to agreements (the “Purchase Agreements”) with each of the selling stockholders. At, and as a condition to, the closing of the Private Placement, the Company and the purchasers entered into a registration rights agreement (the “PIPE Registration Rights Agreement”). We have prepared this registration statement pursuant to the PIPE Registration Rights Agreement.
Additionally, at, and as a condition to, the closing of the Private Placement, our directors and executive officers entered into lock-up agreements not to dispose of any shares of common stock and other securities of the Company that they own during the lock-up period, subject to customary exceptions.
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RISK FACTORS
An investment in our securities involves risks and uncertainties. Before you invest in our securities, in addition to the other information, documents or reports incorporated by reference in this prospectus and any prospectus supplement or other offering materials, you should carefully consider the risk factors in the section entitled “Risk Factors” in any prospectus supplement, as well as our most recent Annual Report on Form 10-K, subsequent Quarterly Reports on Form 10-Q, Current Reports on Form 8-K, and all other information contained or incorporated by reference into this prospectus filed with the SEC. Additional risks and uncertainties not presently known to us or that we currently deem immaterial also may impair our business operations. Past financial performance may not be a reliable indicator of future performance, and historical trends should not be used to anticipate results or trends in future periods. Each of these risks could materially and adversely affect our business, financial condition, results of operations and prospects, and could result in a partial or complete loss of your investment.
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USE OF PROCEEDS
We will not receive any proceeds from the sale of the shares of common stock offered by the selling stockholders. The proceeds from the offering are solely for the account of the selling stockholders. See “Selling Stockholders.”
We have also agreed to bear all fees and expenses incident to our obligation to register the shares of our common stock being offered by this prospectus
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DESCRIPTION OF COMMON STOCK
The following descriptions are summaries of the material terms of our amended and restated certificate of incorporation and our amended and restated bylaws. We refer in this section to our amended and restated certificate of incorporation as our certificate of incorporation, and we refer to our amended and restated bylaws as our bylaws.
General
Our authorized capital stock consists of 200,000,000 shares of common stock, par value $0.0001 per share, and 10,000,000 shares of preferred stock, par value $0.0001 per share, all of which shares of preferred stock are undesignated.
As of October 27, 2022, 37,913,358 shares of our common stock were outstanding and held by 12 stockholders of record.
Common Stock
The holders of our common stock are entitled to one vote for each share held on all matters submitted to a vote of the stockholders. The holders of our common stock do not have any cumulative voting rights. Holders of our common stock are entitled to receive ratably any dividends declared by our board of directors out of funds legally available for that purpose, subject to any preferential dividend rights of any outstanding preferred stock. Our common stock has no preemptive rights, conversion rights or other subscription rights or redemption or sinking fund provisions.
In the event of our liquidation, dissolution or winding up, holders of our common stock will be entitled to share ratably in all assets remaining after payment of all debts and other liabilities and any liquidation preference of any outstanding preferred stock.
Preferred Stock
Our board of directors has the authority, without further action by our stockholders, to issue up to 10,000,000 shares of preferred stock in one or more series and to fix the rights, preferences, privileges and restrictions thereof. These rights, preferences and privileges could include dividend rights, conversion rights, voting rights, terms of redemption, liquidation preferences, sinking fund terms and the number of shares constituting, or the designation of, such series, any or all of which may be greater than the rights of common stock. The issuance of our preferred stock could adversely affect the voting power of holders of common stock and the likelihood that such holders will receive dividend payments and payments upon our liquidation. In addition, the issuance of preferred stock could have the effect of delaying, deferring or preventing a change in control of our Company or other corporate action. Immediately after consummation of this offering, no shares of preferred stock will be outstanding, and we have no present plan to issue any shares of preferred stock.
Registration Rights
Certain holders of our common stock are entitled to rights with respect to the registration of these securities under the Securities Act. These rights are provided under the terms of the PIPE Registration Rights Agreement. Pursuant to the PIPE Registration Rights Agreement, we prepared and filed a Form S-1 registration statement with the SEC within 45 calendar days following the closing of the Private Placement, which was declared effective by the SEC on May 6, 2022. All fees, costs and expenses of underwritten registrations under the PIPE Registration Rights Agreement were borne by us.
Anti-Takeover Effects of our Certificate of Incorporation and Bylaws and Delaware Law
Our certificate of incorporation and bylaws include a number of provisions that may have the effect of delaying, deferring or preventing another party from acquiring control of us and encouraging persons considering unsolicited tender offers or other unilateral takeover proposals to negotiate with our board of directors rather than pursue non-negotiated takeover attempts. These provisions include the items described below.
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Board Composition and Filling Vacancies
Our certificate of incorporation provides for the division of our board of directors into three classes serving staggered three-year terms, with one class being elected each year. Our certificate of incorporation also provides that directors may be removed only for cause and then only by the affirmative vote of the holders of two-thirds or more of the shares then entitled to vote at an election of directors. Furthermore, any vacancy on our board of directors, however occurring, including a vacancy resulting from an increase in the size of our board, may only be filled by the affirmative vote of a majority of our directors then in office even if less than a quorum. The classification of directors, together with the limitations on removal of directors and treatment of vacancies, has the effect of making it more difficult for stockholders to change the composition of our board of directors.
No Written Consent of Stockholders
Our certificate of incorporation provides that all stockholder actions are required to be taken by a vote of the stockholders at an annual or special meeting, and that stockholders may not take any action by written consent in lieu of a meeting. This limit may lengthen the amount of time required to take stockholder actions and would prevent the amendment of our bylaws or removal of directors by our stockholders without holding a meeting of stockholders.
Meetings of Stockholders
Our certificate of incorporation and bylaws provide that only a majority of the members of our board of directors then in office may call special meetings of stockholders and only those matters set forth in the notice of the special meeting may be considered or acted upon at a special meeting of stockholders. Our bylaws limit the business that may be conducted at an annual meeting of stockholders to those matters properly brought before the meeting.
Advance Notice Requirements
Our bylaws establish advance notice procedures with regard to stockholder proposals relating to the nomination of candidates for election as directors or new business to be brought before meetings of our stockholders. These procedures provide that notice of stockholder proposals must be timely given in writing to our corporate secretary prior to the meeting at which the action is to be taken. Generally, to be timely, notice must be received at our principal executive offices not less than 90 days nor more than 120 days prior to the first anniversary date of the annual meeting for the preceding year. Our bylaws specify the requirements as to form and content of all stockholders’ notices. These requirements may preclude stockholders from bringing matters before the stockholders at an annual or special meeting.
Anti-Takeover Effects of Provisions of Our Charter Documents
Any amendment of our certificate of incorporation must first be approved by a majority of our board of directors, and if required by law or our certificate of incorporation, must thereafter be approved by a majority of the outstanding shares entitled to vote on the amendment and a majority of the outstanding shares of each class entitled to vote thereon as a class, except that the amendment of the provisions relating to stockholder action, board composition, and limitation of liability must be approved by not less than two-thirds of the outstanding shares entitled to vote on the amendment, and not less than two-thirds of the outstanding shares of each class entitled to vote thereon as a class. Our bylaws may be amended or repealed by the affirmative vote of a majority of the directors then in office, subject to any limitations set forth in the bylaws; and may also be amended or repealed by the affirmative vote of at least seventy-five percent of the outstanding shares entitled to vote on the amendment or repeal, voting together as a single class, or, if our board of directors recommends that the stockholders approve or repeal the amendment, by the affirmative vote of the majority of the outstanding shares entitled to vote on the amendment or repeal, in each case voting together as a single class.
Undesignated Preferred Stock
Our certificate of incorporation provides for 10,000,000 authorized shares of preferred stock. The existence of authorized but unissued shares of preferred stock may enable our board of directors to discourage an attempt to
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obtain control of us by means of a merger, tender offer, proxy contest or otherwise. For example, if in the due exercise of its fiduciary obligations, our board of directors were to determine that a takeover proposal is not in the best interests of our stockholders, our board of directors could cause shares of preferred stock to be issued without stockholder approval in one or more private offerings or other transactions that might dilute the voting or other rights of the proposed acquirer or insurgent stockholder or stockholder group. In this regard, our certificate of incorporation grants our board of directors broad power to establish the rights and preferences of authorized and unissued shares of preferred stock. The issuance of shares of preferred stock could decrease the amount of earnings and assets available for distribution to holders of shares of common stock. The issuance may also adversely affect the rights and powers, including voting rights, of these holders and may have the effect of delaying, deterring or preventing a change in control of us.
Choice of Forum
Our bylaws provide that, unless we consent in writing to the selection of an alternative forum, the Court of Chancery of the State of Delaware, or the Chancery Court, will be the sole and exclusive forum for state law claims for (i) any derivative action or proceeding brought on our behalf, (ii) any action asserting a claim of, or a claim based on, a breach of a fiduciary duty owed by any of our directors, officers or other employees to us or our stockholders, (iii) any action asserting a claim pursuant to any provision of the Delaware General Corporation Law, our certificate of incorporation or our bylaws, (iv) any action to interpret, apply, enforce or determine the validity of our certificate of incorporation or bylaws, or (v) any action asserting a claim governed by the internal affairs doctrine, or the Delaware Forum Provision. The Delaware Forum Provision does not apply to any causes of action arising under the Securities Act of 1933, as amended, or the Securities Act, or the Exchange Act. Our bylaws further provide that, unless we consent in writing to the selection of an alternative forum, the federal district courts of the United States of America will be the sole and exclusive forum for resolving any complaint asserting a cause of action arising under the Securities Act, or the Federal Forum Provision. Our bylaws provide that any person or entity purchasing or otherwise acquiring any interest in shares of our capital stock is deemed to have notice of and consented to the foregoing Delaware Forum Provision and the Federal Forum Provision; provided, however, that stockholders cannot and will not be deemed to have waived our compliance with the federal securities laws and the rules and regulations thereunder.
Section 203 of the Delaware General Corporation Law
We are subject to the provisions of Section 203 of the Delaware General Corporation Law. In general, Section 203 prohibits a publicly held Delaware corporation from engaging in a “business combination” with an “interested stockholder” for a three-year period following the time that this stockholder becomes an interested stockholder, unless the business combination is approved in a prescribed manner. Under Section 203, a business combination between a corporation and an interested stockholder is prohibited unless it satisfies one of the following conditions:
before the stockholder became interested, our board of directors approved either the business combination or the transaction which resulted in the stockholder becoming an interested stockholder;
upon consummation of the transaction which resulted in the stockholder becoming an interested stockholder, the interested stockholder owned at least 85% of the voting stock of the corporation outstanding at the time the transaction commenced, excluding for purposes of determining the voting stock outstanding, shares owned by persons who are directors and also officers, and employee stock plans, in some instances, but not the outstanding voting stock owned by the interested stockholder; or;
at or after the time the stockholder became interested, the business combination was approved by our board of directors and authorized at an annual or special meeting of the stockholders by the affirmative vote of at least two-thirds of the outstanding voting stock which is not owned by the interested stockholder;
Section 203 defines a business combination to include:
any merger or consolidation involving the corporation and the interested stockholder; or
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any sale, transfer, lease, pledge or other disposition involving the interested stockholder of 10% or more of the assets of the corporation;
subject to exceptions, any transaction involving the corporation that has the effect of increasing the proportionate share of the stock of any class or series of the corporation beneficially owned by the interested stockholder; and
subject to exceptions, any transaction involving the corporation that has the effect of increasing the proportionate share of the stock of any class or series of the corporation beneficially owned by the interested stockholder; and
receipt by the interested stockholder of the benefit of any loans, advances, guarantees, pledges, or other financial benefits provided by or through the corporation.
In general, Section 203 defines an interested stockholder as any entity or person beneficially owning 15% or more of the outstanding voting stock of the corporation and any entity or person affiliated with or controlling or controlled by the entity or person.
Stock Exchange Listing
Our common stock is listed on The Nasdaq Global Select Market under the trading symbol “TSVT.”
Transfer Agent and Registrar
The transfer agent and registrar for our common stock is American Stock Transfer & Trust Company, LLC.
Limitations of Liability and Indemnification Matters
For a discussion of liability and indemnification, see “Executive Compensation” in our Definitive Proxy Statement on Schedule 14A, filed with the SEC on April 26, 2022.
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MATERIAL U.S. FEDERAL INCOME TAX CONSIDERATIONS
The following is a discussion of certain material U.S. federal income tax consequences of the acquisition, ownership and disposition of our shares of common stock. This discussion applies only to shares of common stock that are held as capital assets for U.S. federal income tax purposes and is applicable only to holders who are receiving our shares of common stock in this offering.
This discussion is a summary only and does not describe all of the tax consequences that may be relevant to you in light of your particular circumstances, including but not limited to the alternative minimum tax, the Medicare tax on certain investment income and the different consequences (such as the effects of Section 451 of the Code) that may apply if you are subject to special rules that apply to certain types of investors, including but not limited to:
financial institutions or financial services entities;
broker-dealers;
governments or agencies or instrumentalities thereof;
regulated investment companies;
real estate investment trusts;
expatriates or former long-term residents of the U.S.;
persons that actually or constructively own five percent or more of our voting shares;
insurance companies;
dealers or traders subject to a mark-to-market method of accounting with respect to the common stock;
persons holding the common stock as part of a “straddle,” hedge, integrated transaction or similar transaction;
U.S. holders (as defined below) whose functional currency is not the U.S. dollar;
partnerships or other pass-through entities for U.S. federal income tax purposes and any beneficial owners of such entities; and
tax-exempt entities.
This discussion is based on the Code, and administrative pronouncements, judicial decisions and final, temporary and proposed Treasury regulations as of the date hereof, which are subject to change, possibly on a retroactive basis, and changes to any of which subsequent to the date of this prospectus may affect the tax consequences described herein. This discussion does not address any aspect of state, local or non-U.S. taxation, or any U.S. federal taxes other than income taxes (such as gift and estate taxes).
We have not sought, and will not seek, a ruling from the IRS as to any U.S. federal income tax consequence described herein. The IRS may disagree with the discussion herein, and its determination may be upheld by a court. Moreover, there can be no assurance that future legislation, regulations, administrative rulings or court decisions will not adversely affect the accuracy of the statements in this discussion. You are urged to consult your tax advisor with respect to the application of U.S. federal tax laws to your particular situation, as well as any tax consequences arising under the laws of any state, local or foreign jurisdiction.
This discussion does not consider the tax treatment of partnerships or other pass-through entities or persons who hold our common stock through such entities. If a partnership (or other entity or arrangement classified as a partnership or other pass-through entity for United States federal income tax purposes) is the beneficial owner of our common stock, the United States federal income tax treatment of a partner or member in the partnership or other pass-through entity generally will depend on the status of the partner or member and the activities of the partnership
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or other pass-through entity. If you are a partner or member of a partnership or other pass-through entity holding our common stock, we urge you to consult your own tax advisor.
THIS DISCUSSION IS ONLY A SUMMARY OF CERTAIN UNITED STATES FEDERAL INCOME TAX CONSIDERATIONS ASSOCIATED WITH THE ACQUISITION, OWNERSHIP AND DISPOSITION OF OUR COMMON STOCK. EACH PROSPECTIVE INVESTOR IN OUR COMMON STOCK IS URGED TO CONSULT ITS OWN TAX ADVISOR WITH RESPECT TO THE PARTICULAR TAX CONSEQUENCES TO SUCH INVESTOR OF THE ACQUISITION, OWNERSHIP AND DISPOSITION OF OUR COMMON STOCK, INCLUDING THE APPLICABILITY AND EFFECT OF ANY UNITED STATES FEDERAL NON-INCOME, STATE, LOCAL, AND NON-U.S. TAX LAWS.
U.S. holders
This section applies to you if you are a “U.S. holder.” A U.S. holder is a beneficial owner of our shares of common stock who or that is, for U.S. federal income tax purposes:
an individual who is a citizen or resident of the United States;
a corporation (or other entity taxable as a corporation) organized in or under the laws of the United States, any state thereof or the District of Columbia;
an estate the income of which is includible in gross income for U.S. federal income tax purposes regardless of its source; or
a trust, if (i) a court within the United States is able to exercise primary supervision over the administration of the trust and one or more U.S. persons (as defined in the Code) have authority to control all substantial decisions of the trust or (ii) it has a valid election in effect under Treasury Regulations to be treated as a U.S. person.
Taxation of Distributions. If we pay distributions in cash or other property (other than certain distributions of our stock or rights to acquire our stock) to U.S. holders of shares of our common stock, such distributions generally will constitute dividends for U.S. federal income tax purposes to the extent paid from our current or accumulated earnings and profits, as determined under U.S. federal income tax principles. Distributions in excess of current and accumulated earnings and profits will constitute a return of capital that will be applied against and reduce (but not below zero) the U.S. holder’s adjusted tax basis in our common stock. Any remaining excess will be treated as gain realized on the sale or other disposition of the common stock and will be treated as described under “U.S. Holders—Gain or Loss on Sale, Taxable Exchange or Other Taxable Disposition of common stock” below.
Dividends we pay to a U.S. holder that is a taxable corporation generally will qualify for the dividends received deduction if the requisite holding period is satisfied. With certain exceptions (including, but not limited to, dividends treated as investment income for purposes of investment interest deduction limitations), and provided certain holding period requirements are met, dividends we pay to a non-corporate U.S. holder may constitute “qualified dividends” that will be subject to tax at the maximum tax rate accorded to long-term capital gains. If the holding period requirements are not satisfied, then a corporation may not be able to qualify for the dividends received deduction and would have taxable income equal to the entire dividend amount, and non-corporate holders may be subject to tax on such dividend at regular ordinary income tax rates instead of the preferential rate that applies to qualified dividend income.
Gain or Loss on Sale, Taxable Exchange or Other Taxable Disposition of common stock. Upon a sale or other taxable disposition of our common stock, a U.S. holder generally will recognize capital gain or loss in an amount equal to the difference between the amount realized and the U.S. holder’s adjusted tax basis in the common stock. Any such capital gain or loss generally will be long-term capital gain or loss if the U.S. holder’s holding period for the common stock so disposed of exceeds one year. If the holding period requirements are not satisfied, any gain on a sale or taxable disposition of the shares would be subject to short-term capital gain treatment and would be taxed at regular ordinary income tax rates. Long-term capital gains recognized by non-corporate U.S. holders will be eligible to be taxed at reduced rates. The deductibility of capital losses is subject to limitations.
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Generally, the amount of gain or loss recognized by a U.S. holder is an amount equal to the difference between (i) the sum of the amount of cash and the fair market value of any property received in such disposition and (ii) the U.S. holder’s adjusted tax basis in its common stock so disposed of. A U.S. holder’s adjusted tax basis in its common stock generally will equal the U.S. holder’s acquisition cost for the common stock or less, in the case of a share of common stock, any prior distributions treated as a return of capital. In the case of any shares of common stock originally acquired as part of an investment unit, the acquisition cost for the share of common stock that were part of such unit would equal an allocable portion of the acquisition cost of the unit based on the relative fair market values of the components of the unit at the time of acquisition.
Information Reporting and Backup Withholding. In general, information reporting requirements may apply to dividends paid to a U.S. holder and to the proceeds of the sale or other disposition of our shares of common stock, unless the U.S. holder is an exempt recipient. Backup withholding may apply to such payments if the U.S. holder fails to provide a taxpayer identification number, a certification of exempt status or has been notified by the IRS that it is subject to backup withholding (and such notification has not been withdrawn).
Any amounts withheld under the backup withholding rules generally should be allowed as a refund or a credit against a U.S. holder’s U.S. federal income tax liability provided the required information is timely furnished to the IRS.
Non-U.S. holders
This section applies to you if you are a “Non-U.S. holder.” As used herein, the term “Non-U.S. holder” means a beneficial owner of our common stock who or that is for U.S. federal income tax purposes:
a non-resident alien individual (other than certain former citizens and residents of the U.S. subject to U.S. tax as expatriates);
a foreign corporation or
an estate or trust that is not a U.S. holder;
but generally does not include an individual who is present in the U.S. for 183 days or more in the taxable year of disposition. If you are such an individual, you should consult your tax advisor regarding the U.S. federal income tax consequences of the acquisition, ownership or sale or other disposition of our common stock.
Taxation of Distributions. In general, any distributions we make to a Non-U.S. holder of shares of our common stock, to the extent paid out of our current or accumulated earnings and profits (as determined under U.S. federal income tax principles), will constitute dividends for U.S. federal income tax purposes and, provided such dividends are not effectively connected with the Non-U.S. holder’s conduct of a trade or business within the United States, we will be required to withhold tax from the gross amount of the dividend at a rate of 30%, unless such Non-U.S. holder is eligible for a reduced rate of withholding tax under an applicable income tax treaty and provides proper certification of its eligibility for such reduced rate (usually on an IRS Form W-8BEN or W-8BEN-E). Any distribution not constituting a dividend will be treated first as reducing (but not below zero) the Non-U.S. holder’s adjusted tax basis in its shares of our common stock and, to the extent such distribution exceeds the Non-U.S. holder’s adjusted tax basis, as gain realized from the sale or other disposition of the common stock, which will be treated as described under “Non-U.S. Holders—Gain on Sale, Taxable Exchange or Other Taxable Disposition of common stock” below.
The withholding tax does not apply to dividends paid to a Non-U.S. holder who provides a Form W-8ECI, certifying that the dividends are effectively connected with the Non-U.S. holder’s conduct of a trade or business within the United States. Instead, the effectively connected dividends will be subject to regular U.S. income tax as if the Non-U.S. holder were a U.S. resident, subject to an applicable income tax treaty providing otherwise. A Non-U.S. corporation receiving effectively connected dividends may also be subject to an additional “branch profits tax” imposed at a rate of 30% (or a lower treaty rate).
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Gain on Sale, Taxable Exchange or Other Taxable Disposition of common stock. A Non-U.S. holder generally will not be subject to U.S. federal income or withholding tax in respect of gain recognized on a sale, taxable exchange or other taxable disposition of our common stock, unless:
the gain is effectively connected with the conduct of a trade or business by the Non-U.S. holder within the United States (and, under certain income tax treaties, is attributable to a United States permanent establishment or fixed base maintained by the Non-U.S. holder); or
we are or have been a “U.S. real property holding corporation” for U.S. federal income tax purposes at any time during the shorter of the five-year period ending on the date of disposition or the period that the Non-U.S. holder held our common stock, and, in the case where shares of our common stock are regularly traded on an established securities market, the Non-U.S. holder has owned, directly or constructively, more than 5% of our common stock at any time within the shorter of the five-year period preceding the disposition or such Non-U.S. holder’s holding period for the shares of our common stock. There can be no assurance that our common stock will be treated as regularly traded on an established securities market for this purpose.
Unless an applicable treaty provides otherwise, gain described in the first bullet point above will be subject to tax at generally applicable U.S. federal income tax rates as if the Non-U.S. holder were a U.S. resident. Any gains described in the first bullet point above of a Non-U.S. holder that is a foreign corporation may also be subject to an additional “branch profits tax” at a 30% rate (or lower treaty rate).
If the second bullet point above applies to a Non-U.S. holder, gain recognized by such holder on the sale, exchange or other disposition of shares of our common stock will be subject to tax at generally applicable U.S. federal income tax rates, and a buyer of such shares may be required to withhold U.S. federal income tax at a rate of 15% of the amount realized upon the disposition. We expect not to be classified as a “U.S. real property holding corporation” for U.S. federal income tax purposes. However, such determination is factual in nature and subject to change and no assurance can be provided as to whether we will be a “U.S. real property holding corporation” for U.S. federal income tax purposes in the future.
Information Reporting and Backup Withholding. Information returns will be filed with the IRS in connection with payments of dividends and the proceeds from a sale or other disposition of our shares of common stock. A Non-U.S. holder may have to comply with certification procedures to establish that it is not a United States person in order to avoid information reporting and backup withholding requirements. The certification procedures required to claim a reduced rate of withholding under a treaty will generally satisfy the certification requirements necessary to avoid the backup withholding as well. The amount of any backup withholding from a payment to a Non-U.S. holder will be allowed as a credit against such holder’s U.S. federal income tax liability and may entitle such holder to a refund, provided that the required information is timely furnished to the IRS.
FATCA Withholding Taxes. Sections 1471 through 1474 of the Code and the Treasury Regulations and administrative guidance promulgated thereunder (commonly referred as the “Foreign Account Tax Compliance Act” or “FATCA”) generally impose withholding at a rate of 30% in certain circumstances on dividends in respect of, and (subject to the proposed Treasury Regulations discussed below) gross proceeds from the sale or other disposition of, securities (including shares of our common stock) which are held by or through certain foreign financial institutions (including investment funds), unless any such institution (i) enters into, and complies with, an agreement with the IRS to report, on an annual basis, information with respect to interests in, and accounts maintained by, the institution that are owned by certain U.S. persons and by certain non-U.S. entities that are wholly or partially owned by U.S. persons and to withhold on certain payments, or (ii) if required under an intergovernmental agreement between the United States and an applicable foreign country, reports such information to its local tax authority, which will exchange such information with the U.S. authorities. An intergovernmental agreement between the United States and an applicable foreign country may modify these requirements. Accordingly, the entity through which shares of our common stock are held will affect the determination of whether such withholding is required. Similarly, dividends in respect of, and (subject to the proposed Treasury Regulations discussed below) gross proceeds from the sale or other disposition of, our common stock held by an investor that is a non-financial non-U.S. entity that does not qualify under certain exceptions will generally be subject to withholding at a rate of 30%, unless such entity either (i) certifies to the applicable withholding agent that such entity does not have any “substantial United States
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owners” or (ii) provides certain information regarding the entity’s “substantial United States owners,” which will in turn be provided to the U.S. Department of Treasury.
Under the applicable Treasury Regulations and administrative guidance, withholding under FATCA generally applies to payments of dividends in respect of our common stock. While withholding under FATCA generally would also apply to payments of gross proceeds from the sale or other disposition of securities (including shares of our common stock), proposed Treasury Regulations eliminate FATCA withholding on payments of gross proceeds entirely. Taxpayers generally may rely on these proposed Treasury Regulations until final Treasury Regulations are issued. All holders should consult their tax advisors regarding the possible implications of FATCA on their investment in shares of our common stock.
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SELLING STOCKHOLDERS
The shares of common stock being offered by the selling stockholders are shares of common stock acquired from us in a private offering pursuant to exemptions from registration under Section 4(a)(2) of the Securities Act and Regulation D promulgated thereunder. Pursuant to the PIPE Registration Rights Agreement, we agreed to file a registration statement with the SEC for the purposes of registering for resale from time to time the shares of common stock issued to the selling stockholders pursuant to the Purchase Agreements. We are registering the shares of common stock in order to permit the selling stockholders to offer the shares for resale or other disposition from time to time. In addition to the ownership of the shares of our common stock that are the subject of this prospectus, certain of the selling stockholders have had material relationships with us within the past three years as disclosed in this prospectus and described below under “Relationships with Certain Selling Stockholders.”
Except as set forth in the footnotes below, the following table lists the selling stockholders and certain information, based on written representations from the selling stockholders, as of March 17, 2022 regarding the ownership of the shares of common stock by each of the selling stockholders. The second column lists the number of shares of common stock owned by each selling stockholder, based on its ownership of the shares of common stock, as of March 17, 2022.
The third column lists the shares of common stock being offered by this prospectus by the selling stockholders.
In accordance with the terms of the PIPE Registration Rights Agreement and the Purchase Agreements, as described above under “The Private Placement,” this prospectus generally covers the resale of at least the number of shares of common stock issued pursuant to the Purchase Agreements. The fourth column assumes the sale of all of the shares offered by the selling stockholders pursuant to this prospectus, and the fifth column sets forth the applicable percentages, based on approximately 37,913,358 shares of common stock outstanding as of October 27, 2022 assuming such sale. The selling stockholders may offer and sell some, all or none of their shares of common stock. See “Plan of Distribution.”
Unless otherwise noted below, the address of each selling stockholder listed on the table is c/o 2seventy bio, Inc., 60 Binney Street, Cambridge, Massachusetts 02142.
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Name of Selling StockholderNumber of Shares of Common Stock Owned Prior to OfferingMaximum Number of Shares of Common Stock to be Sold Pursuant to this ProspectusNumber of Shares of Common Stock Owned After OfferingPercent of Shares of Common Stock Owned After Offering
683 Capital Partners, LP (1)
491,803 491,803— %
Armistice Capital Master Fund Ltd. (2)
2,000,000819,6721,180,3283.11 %
Entities affiliated with Baker Bros. Advisors LP (3)
3,136,9441,229,5081,907,4365.03 %
BCLS II Equity Opportunities, LP (4)
1,408,9011,229,508179,393*
Boxer Capital, LLC (5)
459,836409,83650,000*
Burn3 LLC (6)
81,967 81,967— %
CaaS Capital Master Fund LP (7)
1,539,4071,393,442145,965*
Casdin Partners Master Fund, L.P. (8)
1,229,508 614,754614,7541.62 %
CHI IV Public Investments LP (9)
819,672 819,672— %
CVI Investments, Inc. (10)
819,672 819,672— %
Entities affiliated with EcoR1 Capital (11)
3,495,9432,049,1801,446,7633.82 %
Jan Leschly (12)
81,967 81,967— %
Janus Henderson Biotech Innovation Master Fund Limited (13)
655,737 655,737— %
Madison Avenue International LP (14)
896,972819,67277,300*
Entities affiliated with Newtyn Management, LLC (15)
1,802,805819,672983,1332.59 %
Nick Leschly (16)
556,888368,857188,031*
Entities affiliated with RTW Investments, LP (17)
2,459,016 1,229,5081,229,5083.24 %
__________________
*Less than 1%
(1)Includes 491,803 shares of common stock purchased in the Private Placement and directly held by 683 Capital Partners, LP. The address of 683 Capital Partners is 1700 Broadway, Suite 4200, New York, NY 10019.
(2)Includes 819,672 shares of common stock purchased in the Private Placement and directly held by Armistice Capital Master Fund Ltd. and may be deemed to be indirectly beneficially owned by (i) Armistice Capital, as the investment manager of the Master Fund; and (ii) Steven Boyd, as the Managing Member of Armistice Capital. Armistice Capital and Steven Boyd disclaim beneficial ownership of the securities except to the extent of their respective pecuniary interests therein. The address of Master Fund is c/o Armistice Capital, LLC, 510 Madison Ave, 7th Floor, New York, NY 10022.
(3)Includes (i) 1,135,960 shares of common stock purchased in the Private Placement and directly held by Baker Brothers Life Sciences, L.P. (“BBLS”) and (ii) 93,548 shares of common stock purchased in the Private Placement and directly held by 667, L.P. (“667”, and together with BBLS, the “BBA Funds”). Baker Bros. Advisors LP (“BBA”), is the investment adviser to the BBA Funds and has sole voting and investment power with respect to the securities held by the BBA Funds and thus may be deemed to beneficially own such securities. Baker Bros. Advisors (GP) LLC (“BBA-GP”), is the sole general partner of BBA and thus may be deemed to beneficially own the securities held by the BBA Funds. The managing members of BBA-GP are Julian C. Baker and Felix J. Baker. The address for BBA, BBA-GP, Julian C. Baker and Felix J. Baker and the BBA Funds is 860 Washington Street, 3rd Floor, New York, NY 10014.
(4)Includes 1,229,508 shares of common stock purchased in the Private Placement and directly held by BCLS II Equity Opportunities, LP (“BCLS II Equity”). Bain Capital Life Sciences Investors, LLC (“BCLSI”) is the ultimate general partner of BCLS II Equity. As a result, BCLSI may be deemed to share voting and dispositive power over the shares of common stock held by BCLS II Equity. The address of each of BCLSI and BCLS II Equity is c/o Bain Capital Life Sciences, LP, 200 Clarendon Street, Boston, MA 02116.
(5)Includes 409, 836 shares of common stock purchased in the Private Placement and directly held by Boxer Capital, LLC. Boxer Asset Management, Inc. and Joseph Lewis hold shared voting and dispositive power over the shares held by Boxer Capital, LLC. Each individual and entity above disclaims beneficial ownership over the shares owned by Boxer Capital, LLC except to the extent of its or their pecuniary interest therein. The address of Boxer Asset Management, Inc. and Joseph Lewis is c/o Cay House, EP Taylor Drive N7776 Lyford Cay, New Providence, Bahamas. The address of Boxer Capital, LLC is 12860 El Camino Real, Ste 300, San Diego, CA 92130.
(6)Includes 81,967 shares of common stock purchased in the Private Placement and directly held by Burn3 LLC. The address of Burn3 LLC is P.O. Box 748, Forked River, NJ 08731.
(7)Includes 1,393,442 shares of common stock purchased in the Private Placement and directly held by CaaS Capital Master Fund LP. The address for CaaS Capital Master Fund L.P. is 800 Third Avenue, 26th Floor, New York, NY 10022.
(8)Includes 614,754 shares of common stock purchased in the Private Placement and directly held by Casdin Partners Master Fund, L.P. The address for the Casdin entities is 1350 Avenue of the Americas, Suite 2600, New York, NY 10019.
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(9)Includes 819,672 shares of common stock purchased in the Private Placement and directly held by CHI IV Public Investments LP (“CHI IV”). CHI Advisors LLC, the investment adviser of CHI IV has sole voting and investment power with respect to the shares owned by CHI IV. The address for CHI Advisors, LLC and CHI IV is 599 Lexington Avenue, 19th Floor, New York, NY 10022.
(10)Consists of 819,672 shares of common stock purchased in the Private Placement and directly held by CVI Investments, Inc. The address for CVI Investments, Inc. is c/o Heights Capital Management, Inc., 101 California, Street, Suite 3250, San Francisco, CA 94111.
(11)Includes shares (i) 1,906,960 shares of common stock purchased in the Private Placement and directly held by EcoR1 Capital Fund Qualified, LP (“EcoR1 Qualified”) and (ii) 142,220 shares of common stock purchased in the Private Placement and directly held by EcoR1 Capital Fund, L.P. (“Ecor1 Capital”, and together with Ecor1 Qualified, the “EcoR1 Funds”). EcoR1 Capital, LLC is controlled Mr. Oleg Nodelman who has voting and investment control of the shares held by the EcoR1 Funds. The address for the EcoR1 Funds is 357 Tehama Street, Suite 3, San Francisco, California 94103.
(12)Includes 81,967 shares of common stock purchased in the Private Placement and directly held by Jan Leschly. The address for Mr. Leschly is PO Box 276, Avon by the Sea, New Jersey, 07717.
(13)Includes 655,737 shares of common stock purchased in the Private Placement and directly held by Janus Henderson Biotech Innovation Master Fund Limited. Janus Henderson Investors US LLC, 151 Detroit Street, Denver, CO 80206.
(14)Includes 819,672 shares of common stock purchased in the Private Placement and directly held by Madison Avenue International LP. The address for Madison Avenue International LP is 150 East 58th St, Suite 1403, New York, NY 10155.
(15)Includes (i) 351,639 shares of common stock purchased in the Private Placement and directly held by Newtyn Partners, LP (“Newtyn Partners”) and (ii) 468,033 shares of common stock purchased in the Private Placement and directly held by Newtyn TE Partners, LP (“Newtyn TE”, and together with Newtyn Partners the “Newtyn Funds”). The address of the Newtyn Funds is 60 East 42nd Street, Suite 960, New York, NY 10165.
(16)Includes 368,857 shares of common stock purchased in the Private Placement and directly held by Nick Leschly.
(17)Includes (i) 782,367 shares of common stock purchased in the Private Placement and directly held by RTW Master Fund, LTD (“RTW Master”), (ii) 425,552 shares of common stock purchased in the Private Placement and directly held by RTW Innovation Master Fund, Ltd. (“RTW Innovation”), and (iii) 21,589 shares of common stock purchased in the Private Placement and directly held by RTW Venture Fund Limited (“RTW Venture”, and together with RTW Master and RTW Innovation, the “RTW Funds”). RTW Investments, LP is the investment adviser to the RTW Funds. Mr. Roderick Wong is the Managing Partner and Chief Investment Officer of RTW Investments, L.P. Each of the RTW Funds and Mr. Wong disclaims any beneficial ownership of the shares directly held by the RTW Funds, except to the extent of its or his pecuniary interest therein. The address for each of these entities and individuals is 40 10th Avenue, Floor 7, New York, New York 10014.
Relationship with Certain Selling Stockholders
Certain affiliates of 2seventy bio purchased shares of common stock on the same terms and conditions of the other investors in the Private Placement. The following table sets forth the number of shares of our common stock purchased by directors, executive officers and 5% stockholders and their affiliates and the aggregate purchase price paid for such shares.
NameShares of Common Stock PurchasedAggregate Cash Purchase Price
Entities affiliated with EcoR1 Capital, LLC (1)
2,049,180 $24,999,996.00 
Baker Bros Advisors LP (2)
1,229,508 $14,999,997.60 
Nick Leschly (3)
368,857 $4,500,055.40 
Total:3,647,545 $44,500,049.00 
_________________
(1)EcoR1 Capital LLC is a holder of greater than five percent of our common stock.
(2)Consists of 1,135,960 shares of common stock purchased and received by Baker Brothers Life Sciences, L.P., (“BBLS”) and 93,548 shares of common stock purchased and received by 667, L.P. (“667” and together with BBLS, the “ BBA Funds”). Baker Bros. Advisors LP, or BBA, is the investment adviser to the BBA Funds and has sole voting and investment power with respect to the securities held by the BBA Funds and thus may be deemed to beneficially own such securities. Baker Bros. Advisors (GP) LLC, or BBA-GP, is the sole general partner of BBA and thus may be deemed to beneficially own the securities held by the BBA Funds. The BBA Funds are holders of greater than five percent of our common stock.
(3)Nick Leschly is our chief executive officer and a member of our Board. Mr. Leschly's acquisition of shares in the Private Placement was approved by our Board of Directors and is exempted from the "short-swing" liability provisions of Section 16(b) of the Exchange Act pursuant to Rule 16b-3 promulgated thereunder.
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PLAN OF DISTRIBUTION
Each selling stockholder of the securities and any of their donees, pledgees, assignees, transferees and other successors-in-interest may, from time to time, sell any or all of their securities covered hereby on the principal trading market or any other stock exchange, market or trading facility on which the securities are traded or in private transactions. These sales may be at fixed or negotiated prices. A selling stockholder may use any one or more of the following methods when selling securities:
ordinary brokerage transactions and transactions in which the broker-dealer solicits purchasers;
block trades in which the broker-dealer will attempt to sell the securities as agent but may position and resell a portion of the block as principal to facilitate the transaction;
purchases by a broker-dealer as principal and resale by the broker-dealer for its account;
an exchange distribution in accordance with the rules of the applicable exchange;
privately negotiated transactions;
settlement of short sales;
in transactions through broker-dealers that agree with the selling stockholders to sell a specified number of such securities at a stipulated price per security;
through the writing or settlement of options or other hedging transactions, whether through an options exchange or otherwise;
a combination of any such methods of sale; or
any other method permitted pursuant to applicable law.
The selling stockholders may also sell securities under Rule 144 or any other exemption from registration under the Securities Act of 1933, as amended (the “Securities Act”), if available, rather than under this prospectus.
Broker-dealers engaged by the selling stockholders may arrange for other brokers-dealers to participate in sales. Broker-dealers may receive commissions or discounts from the Selling Stockholders (or, if any broker-dealer acts as agent for the purchaser of securities, from the purchaser) in amounts to be negotiated, but, except as set forth in a supplement to this prospectus, in the case of an agency transaction not in excess of a customary brokerage commission in compliance with FINRA Rule 2121; and in the case of a principal transaction a markup or markdown in compliance with FINRA Rule 2121.
The selling stockholders may, from time to time, pledge or grant a security interest in some or all of the securities owned by them and, if they default in the performance of their secured obligations, the pledgees or secured parties may offer and sell the securities, from time to time, under this prospectus, or under an amendment to this prospectus under Rule 424(b)(3) or other applicable provision of the Securities Act, amending the selling stockholder list to include the pledgee, transferee or other successors in interest as selling stockholders under this prospectus. The selling stockholders also may transfer the securities in other circumstances, in which case the transferees, pledgees, donees or other successors in interest will be the selling beneficial owners for purposes of this prospectus.
In connection with the sale of the securities or interests therein, the selling stockholders may enter into hedging transactions with broker-dealers or other financial institutions, which may in turn engage in short sales of the securities in the course of hedging the positions they assume. The selling stockholders may also sell securities short and deliver these securities to close out their short positions, or loan or pledge the securities to broker-dealers that in turn may sell these securities. The selling stockholders may also enter into option or other transactions with broker-dealers or other financial institutions or create one or more derivative securities which require the delivery to such broker-dealer or other financial institution of securities offered by this prospectus, which securities such broker-
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dealer or other financial institution may resell pursuant to this prospectus (as supplemented or amended to reflect such transaction).
The aggregate proceeds to the selling stockholders from the sale of the securities offered by them will be the purchase price of the securities less discounts or commissions, if any. Each of the selling stockholders reserves the right to accept and, together with their agents from time to time, to reject, in whole or in part, any proposed purchase of securities to be made directly or through agents. We will not receive any of the proceeds from this offering.
The selling stockholders and any broker-dealers or agents that are involved in selling the securities may be deemed to be “underwriters” within the meaning of the Securities Act in connection with such sales. In such event, any commissions received by such broker-dealers or agents and any profit on the resale of the securities purchased by them may be deemed to be underwriting commissions or discounts under the Securities Act. Each selling stockholder has informed the Company that it does not have any written or oral agreement or understanding, directly or indirectly, with any person to distribute the securities.
The Company is required to pay certain fees and expenses incurred by the Company incident to the registration of the securities. The Company has agreed to indemnify the selling stockholders against certain losses, claims, damages and liabilities, including liabilities under the Securities Act.
We agreed to keep this prospectus effective until the earliest of (i) the date on which the securities may be resold by the selling stockholders without registration and without regard to any volume or manner-of-sale limitations by reason of Rule 144, without the requirement for the Company to be in compliance with the current public information under Rule 144 under the Securities Act or any other rule of similar effect, (ii) the date on which all of the securities have been sold pursuant to this prospectus or Rule 144 under the Securities Act or any other rule of similar effect and (iii) the date that is one year following the date of effectiveness of this registration statement. The resale securities will be sold only through registered or licensed brokers or dealers if required under applicable state securities laws. In addition, in certain states, the resale securities covered hereby may not be sold unless they have been registered or qualified for sale in the applicable state or an exemption from the registration or qualification requirement is available and is complied with.
Under applicable rules and regulations under the Exchange Act, any person engaged in the distribution of the resale securities may not simultaneously engage in market making activities with respect to the common stock for the applicable restricted period, as defined in Regulation M, prior to the commencement of the distribution. In addition, the selling stockholders will be subject to applicable provisions of the Exchange Act and the rules and regulations thereunder, including Regulation M, which may limit the timing of purchases and sales of the common stock by the selling stockholders or any other person. We will make copies of this prospectus available to the selling stockholders and have informed them of the need to deliver a copy of this prospectus to each purchaser at or prior to the time of the sale (including by compliance with Rule 172 under the Securities Act).
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LEGAL MATTERS
The validity of the securities being offered by this prospectus will be passed upon by Goodwin Procter LLP, Boston, MA. Additional legal matters may be passed upon for us or any underwriters, dealers or agents, by counsel that we will name in an applicable prospectus supplement.
EXPERTS
Ernst & Young LLP, independent registered public accounting firm, has audited our consolidated and combined financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2021, as set forth in their report, which is incorporated by reference in this prospectus and elsewhere in the registration statement. Our financial statements are incorporated by reference in reliance on Ernst & Young LLP’s report, given on their authority as experts in accounting and auditing.
WHERE YOU CAN FIND MORE INFORMATION
This prospectus is part of a registration statement on Form S-3 we filed with the SEC. This prospectus omits some information contained in the registration statement in accordance with SEC rules and regulations. You should review the information and exhibits in the registration statement for further information about us and our consolidated subsidiaries and the securities we are offering. Statements in this prospectus concerning any document we filed as an exhibit to the registration statement or that we otherwise filed with the SEC are not intended to be comprehensive and are qualified by reference to these filings. You should review the complete document to evaluate these statements.
We are subject to the informational requirements of the Exchange Act and file annual, quarterly and current reports, proxy statements and other information with the SEC. You can read our SEC filings, including the registration statement, at the SEC’s website at www.sec.gov. We also maintain a website at www.2seventybio.com. The information contained in or accessible from our website is not incorporated into this prospectus, and you should not consider it part of this prospectus. We have included our website address in this prospectus solely as an inactive textual reference.
We have the authority to designate and issue more than one class or series of stock having various preferences, conversion and other rights, voting powers, restrictions, limitations as to dividends, qualifications, and terms and conditions of redemption. See “Description of Common Stock.” We will furnish a full statement of the relative rights and preferences of each class or series of our stock which has been so designated and any restrictions on the ownership or transfer of our stock to any stockholder upon request and without charge. Written requests for such copies should be directed to 60 Binney Street, Cambridge, Massachusetts 02142, Attention: Corporate Secretary.
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INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
The SEC allows us to “incorporate by reference” information that we file with it into this prospectus, which means that we can disclose important information to you by referring you to those documents. The information incorporated by reference is an important part of this prospectus. The information incorporated by reference is considered to be a part of this prospectus, and information that we file later with the SEC will automatically update and supersede information contained in this prospectus and any accompanying prospectus supplement.
We incorporate by reference the documents listed below that we have previously filed with the SEC:
Our Annual Report on Form 10-K for the year ended December 31, 2021, filed on March 22, 2022;
Our Definitive Proxy Statement on Schedule 14A (to the extent incorporated by reference into our Annual Report on Form 10-K), filed with the SEC on April 26, 2022;
Our Quarterly Reports on Form 10-Q for the quarters ended March 31, 2022 and June 30, 2022, filed with the SEC on May 12, 2022 and August 10, 2022, respectively;
Our Current Reports on Form 8-K filed with the SEC on January 6, 2022, January 11, 2022, March 16, 2022, April 8, 2022, April 29, 2022, June 3, 2022, June 13, 2022, August 10, 2022, September 7, 2022 and October 27, 2022 (in each case, except for information contained therein which is furnished rather than filed); and
The description of our common stock contained in the Information Statement filed with the SEC as Exhibit 99.1 to the Form 10, including any further amendments thereto or reports filed for the purposes of updating such description.
Any statement contained in a document incorporated by reference in this prospectus or any prospectus supplement shall be deemed to be modified or superseded to the extent that a statement contained herein, therein or in any other subsequently filed document that also is incorporated by reference herein or therein modifies or supersedes such statement. Any statement so modified or superseded shall not be deemed, except as so modified or superseded, to constitute a part of this prospectus or any prospectus supplement. Under no circumstances will any information filed under current items 2.02 or 7.01 of Form 8-K be deemed incorporated herein by reference unless such Form 8-K expressly provides to the contrary.
This prospectus is part of a registration statement we filed with the SEC. We have incorporated exhibits into this registration statement. You should read the exhibits carefully for provisions that may be important to you.
Upon request, we will provide, without charge, to each person, including any beneficial owner, to whom a copy of this prospectus is delivered, a copy of the documents incorporated by reference into this prospectus but not delivered with the prospectus. You may make a request for copies of these filings, and any exhibits we have specifically incorporated by reference as an exhibit in this prospectus, at no cost by writing or by telephone. Requests should be directed to:
2seventy bio, Inc.
60 Binney Street, Cambridge, Massachusetts 02142
Attn: Corporate Secretary
617-675-7270
You may also access these documents, free of charge on the SEC’s website at www.sec.gov or on our website at www.2seventybio.com. Information contained on our website is not incorporated by reference into this prospectus, and you should not consider any information on, or that can be accessed from, our website as part of this prospectus or any accompanying prospectus supplement.
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13,934,427 Shares
https://cdn.kscope.io/cbf1c708d07ed7e0bba27ceada0b3ddc-a2seventylogoa.jpg
PROSPECTUS
, 2022



PART II
INFORMATION NOT REQUIRED IN PROSPECTUS
ITEM 14.   Other Expenses of Issuance and Distribution.
The following table sets forth the costs and expenses that will be paid by us in connection with the issuance and distribution of the securities being registered. We will not receive any proceeds from the sale of shares of common stock by the selling stockholders pursuant to this prospectus. However, we will pay the expenses, other than underwriting discounts and commissions and certain expenses incurred by the selling stockholders in disposing of the securities, associated with the sale of securities pursuant to this prospectus. In addition, we may incur additional expenses in the future in connection with the offering of our securities pursuant to this prospectus. If required, any such additional expenses will be disclosed in a prospectus supplement.
All amounts are estimates, except for the SEC registration fee.
Registration Fee Under the Securities Act of 1933$19,100 
Financial Printing and Miscellaneous Expenses$119,000 
Accounting Fees and Expenses (1)
$125,000 
Legal Fees and Expenses (1)
$150,000 
Total$413,100 
__________________
(1)Estimated.
ITEM 15.   Indemnification of Directors and Officers
Section 145 of the Delaware General Corporation Law, or the DGCL, authorizes a corporation to indemnify its directors and officers against liabilities arising out of actions, suits and proceedings to which they are made or threatened to be made a party by reason of the fact that they have served or are currently serving as a director or officer to a corporation. The indemnity may cover expenses (including attorneys’ fees) judgments, fines and amounts paid in settlement actually and reasonably incurred by the director or officer in connection with any such action, suit or proceeding. Section 145 permits corporations to pay expenses (including attorneys’ fees) incurred by directors and officers in advance of the final disposition of such action, suit or proceeding. In addition, Section 145 provides that a corporation has the power to purchase and maintain insurance on behalf of its directors and officers against any liability asserted against them and incurred by them in their capacity as a director or officer, or arising out of their status as such, whether or not the corporation would have the power to indemnify the director or officer against such liability under Section 145.
We have adopted provisions in our certificate of incorporation and bylaws that limit or eliminate the personal liability of our directors to the fullest extent permitted by the DGCL, as it now exists or may in the future be amended. Consequently, a director will not be personally liable to us or our stockholders for monetary damages or breach of fiduciary duty as a director, except for liability for:
any breach of the director’s duty of loyalty to us or our stockholders;
any act or omission not in good faith or that involves intentional misconduct or a knowing violation of law;
any unlawful payments related to dividends or unlawful stock purchases, redemptions or other distributions; or
any transaction from which the director derived an improper personal benefit.
These limitations of liability do not alter director liability under the federal securities laws and do not affect the availability of equitable remedies such as an injunction or rescission.
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In addition, our bylaws provide that:
we will indemnify our directors, officers and, in the discretion of our board of directors, certain employees to the fullest extent permitted by the DGCL, as it now exists or may in the future be amended; and
we will advance reasonable expenses, including attorneys’ fees, to our directors and, in the discretion of our board of directors, to our officers and certain employees, in connection with legal proceedings relating to their service for or on behalf of us, subject to limited exceptions.
We have entered into indemnification agreements with each of our directors and executive officers. These agreements provide that we will indemnify each of our directors, certain of our executive officers and, at times, their affiliates to the fullest extent permitted by Delaware law. We will advance expenses, including attorneys’ fees (but excluding judgments, fines and settlement amounts), to each indemnified director or executive officer in connection with any proceeding in which indemnification is available and we will indemnify our directors and officers for any action or proceeding arising out of that person’s services as a director or officer brought on behalf of us or in furtherance of our rights. Additionally, certain of our directors or officers may have certain rights to indemnification, advancement of expenses or insurance provided by their affiliates or other third parties, which indemnification relates to and might apply to the same proceedings arising out of such director’s or officer’s services as a director referenced herein. Nonetheless, we have agreed in the indemnification agreements that our obligations to those same directors or officers are primary and any obligation of such affiliates or other third parties to advance expenses or to provide indemnification for the expenses or liabilities incurred by those directors are secondary.
We also maintain general liability insurance, which covers certain liabilities of our directors and officers arising out of claims based on acts or omissions in their respective capacities as directors or officers, including liabilities under the Securities Act of 1933, as amended, or the Securities Act.
ITEM 16.   Exhibits and Financial Statement Schedules.
(a)Exhibits
Exhibit Index
Exhibit No.Description
1.1*Form of Underwriting Agreement.
2.1
3.1
3.2
4.1
4.2
5.1
23.1**
23.2
24.1
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_________________
*To be filed, if necessary, subsequent to the effectiveness of this registration statement by an amendment to this registration statement or incorporated by reference pursuant to a Current Report on Form 8-K in connection with the offering of securities.
**     Filed herewith.
Item 17. Undertakings
We hereby undertake:
(1)To file, during any period in which offers or sales are being made, a post-effective amendment to this registration statement:
(i)To include any prospectus required by section 10(a)(3) of the Securities Act of 1933 (the “Securities Act”);
(ii)To reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the SEC pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than 20% change in the maximum aggregate offering price set forth in the “Calculation of Registration Fee” table in the effective registration statement; and
(iii)To include any material information with respect to the plan of distribution not previously disclosed in the registration statement or any material change to such information in the registration statement;
provided, however, that paragraphs (1)(i), (l)(ii) and (l)(iii) of this section do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the SEC by the registrant pursuant to Section 13 or Section 15(d) of the Exchange Act that are incorporated by reference in the registration statement.
(2)That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.
(3)To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.
(4)That, for the purpose of determining liability under the Securities Act to any purchaser,
(i)Each prospectus filed by the Registrant pursuant to Rule 424(b)(3) shall be deemed to be part of the registration statement as of the date the filed prospectus was deemed part of and included in the registration statement; and
(ii)Each prospectus required to be filed pursuant to Rule 424(b)(2), (b)(5), or (b)(7) as part of a registration statement in reliance on Rule 430B relating to an offering made pursuant to Rule 415(a)(1)(i), (vii) or (x) for the purpose of providing the information required by Section 10(a) of the Securities Act shall be deemed to be part of and included in the registration statement as of the earlier of the date such form of prospectus is first used after effectiveness or the date of the first contract of sale of securities in the offering described in the prospectus. As provided in Rule 430B, for liability purposes of the issuer and any person that is at that date an underwriter, such date shall be deemed to be a new effective date of the registration statement relating to the securities in the registration statement to which that prospectus relates, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof; provided,
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however, that no statement made in a registration statement or prospectus that is part of the registration statement or made in a document incorporated or deemed incorporated by reference into the registration statement or prospectus that is part of the registration statement will, as to a purchaser with a time of contract of sale prior to such effective date, supersede or modify any statement that was made in the registration statement or prospectus that was part of the registration statement or made in any such document immediately prior to such effective date.
(5)That, for purposes of determining any liability under the Securities Act, each filing of the registrant’s annual report pursuant to Section 13(a) or Section 15(d) of the Exchange Act that is incorporated by reference in the registration statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial bona fide offering thereof.
(6)Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers, and controlling persons of the registrant pursuant to the foregoing provisions, or otherwise, the registrant has been advised that, in the opinion of the SEC, such indemnification is against public policy as expressed in the Securities Act and is, therefore, unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the registrant of expenses incurred or paid by a director, officer or controlling person of the registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer, or controlling person in connection with the securities being registered, the registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.
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SIGNATURES
Pursuant to the requirements of the Securities Act, 2seventy bio, Inc. certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Cambridge, Commonwealth of Massachusetts, on November 1, 2022.
2seventy bio, Inc.
By:/s/ Nick Leschly
Name:Nick Leschly
Title:President and Chief Executive Officer
Pursuant to the requirements of the Securities Act, this registration statement has been signed by the following persons in the capacities and on the date indicated.
SignatureTitleDate
/s/ Nick LeschlyPresident, Chief Executive Officer and Director (Principal Executive Officer)November 1, 2022
Nick Leschly
/s/ William D. Baird, IIIChief Financial Officer
(Principal Financial Officer and Principal Accounting Officer)
November 1, 2022
William D. Baird, III
*DirectorNovember 1, 2022
Daniel S. Lynch
*DirectorNovember 1, 2022
Sarah Glickman
*DirectorNovember 1, 2022
Ramy Ibrahim, M.D.
*DirectorNovember 1, 2022
Denice Torres
*DirectorNovember 1, 2022
Marcela Maus, M.D., Ph.D.
*By/s/ Nick Leschly
Nick Leschly
As Attorney-in-Fact
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Document
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption "Experts" in the Registration Statement (Post-Effective Amendment No. 1 to Form S-1 on Form S-3 No. 333-264544) and related Prospectus of 2seventy bio, Inc. for the registration of 13,934,427 shares of its common stock and to the incorporation by reference therein of our report dated March 22, 2022, with respect to the consolidated and combined financial statements of 2seventy bio, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2021, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Boston, Massachusetts
November 1, 2022