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    SEC Form S-8 POS filed by iTeos Therapeutics Inc.

    8/29/25 4:20:40 PM ET
    $ITOS
    Biotechnology: Biological Products (No Diagnostic Substances)
    Health Care
    Get the next $ITOS alert in real time by email
    S-8 POS 1 ny20052905x7-12_s8pos.htm S-8 POS

    As filed with the Securities and Exchange Commission on August 29, 2025

    Registration No. 333-240144
    Registration No. 333-254670
    Registration No. 333-263791
    Registration No. 333-270545
    Registration No. 333-277687
    Registration No. 333-285550
     

    UNITED STATES
    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549
     
     
    POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-240144
    POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-254670
    POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-263791
    POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-270545
    POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-277687
    POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-285550
     
    FORM S-8
    REGISTRATION STATEMENT
    UNDER
    THE SECURITIES ACT OF 1933


     
    ITEOS THERAPEUTICS, INC.
    (Exact name of registrant as specified in its charter)


     
    Delaware
     
    84-3365066
    (State or other jurisdiction of
    incorporation or organization)
     
    (IRS employer
    identification number)

    321 Arsenal Street
    Watertown, Massachusetts 02472
    (Address of Principal Executive Offices, including Zip Code)
     

    iTeos Therapeutics, Inc. 2019 Stock Option and Grant Plan
    iTeos Therapeutics, Inc. 2020 Stock Option and Incentive Plan
    iTeos Therapeutics, Inc. 2020 Employee Stock Purchase Plan
    (Full title of the Plans)


     
    Michael Hearne
    Chief Financial Officer
    iTeos Therapeutics, Inc.
    4747 Executive Drive, Suite 210
    San Diego, California 92121
    (858) 281-5372
    (Name, Address and Telephone Number, including Area Code, of Agent for Service)

    Copies to:

    Ryan A. Murr
    Gibson, Dunn & Crutcher LLP
    One Embarcadero Center Suite 2600
    San Francisco, California 94111
    (415) 393-8200

    William Michener
    Nicholas Roper
    Ropes & Gray LLP
    800 Boylston Street
    Boston, MA 02199
    (617) 951-7000
     
     
    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 definitions of “large accelerated filer, “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
     
    Large accelerated filer
     
    ☐
      
    Accelerated filer
     
    ☐
           
    Non-accelerated filer
     
    ☒
      
    Smaller 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.  ☐
     

    EXPLANATORY NOTE
     
    DEREGISTRATION OF UNSOLD SECURITIES
     
    These Post-Effective Amendments (the “Post-Effective Amendments”) filed by iTeos Therapeutics, Inc., a Delaware corporation (the “Registrant”), to deregister all shares of the Registrant’s common stock, $0.001 par value per share (the “Shares”), remaining unissued under the following Registration Statements on Form S-8 (each, a “Registration Statement”, and collectively, the “Registration Statements”) filed by the Registrant with the U.S. Securities and Exchange Commission (the “Commission”).
     
     
    •
    Registration Statement on Form S-8 (No. 333-240144) pertaining to the registration of (i) 3,323,378 Shares issuable under the 2019 Stock Option and Grant Plan (the “2019 Plan”), (ii) 1,151,680 Shares outstanding and 2,658,138 Shares issuable under the 2020 Stock Option and Incentive Plan (the “2020 Plan”) and (iii) 317,484 Shares issuable under the 2020 Employee Stock Purchase Plan (the “2020 ESPP”).
      
    •
    Registration Statement on Form S-8 (No. 333-254670) pertaining to the registration of (i) 1,752,237 Shares issuable under the 2020 Plan and (ii) 350,447 Shares issuable under the 2020 ESPP.
     
    •
    Registration Statement on Form S-8 (No. 333-263791) pertaining to the registration of 1,773,300 Shares issuable under the 2020 Plan.
     
    •
    Registration Statement on Form S-8 (No. 333-270545) pertaining to the registration of 1,780,560 Shares issuable under the 2020 Plan.
     
    •
    Registration Statement on Form S-8 (No. 333-277687) pertaining to the registration of 1,791,904 Shares issuable under the 2020 Plan.
     
    •
    Registration Statement on Form S-8 (No. 333-285550) pertaining to the registration of 1,828,402 Shares issuable under the 2020 Plan.
     
    The Registrant is filing these Post-Effective Amendments to withdraw and remove any unissued and unsold securities issuable by Registration pursuant to the above-referenced Registration Statements.
     
    On July 18, 2025, the Registrant entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Concentra Biosciences, LLC, a Delaware limited liability company (“Parent”), and Concentra Merger Sub VIII, Inc., a Delaware corporation and wholly owned subsidiary of Parent (“Merger Sub”). Pursuant to the Merger Agreement, on August 29, 2025, Merger Sub was merged with and into the Registrant with the Registrant surviving as a wholly owned subsidiary of Parent (the “Merger”). In the Merger, each share of Common Stock (the “Shares”) (other than (i) Shares owned or held in the Company’s treasury immediately prior to the Effective Time, (ii) Shares owned directly or indirectly by Parent or Merger Sub immediately prior to the Effective Time and (iii) Shares held by any stockholder of the Registrant who properly exercised appraisal rights under Delaware law) was converted into the right to receive (i) $10.047 per Share in cash and (ii) one non-transferable contractual contingent value right for each Share.
     
    As a result of the Merger, the Registrant has terminated all offerings of its securities pursuant to the Registration Statements. In accordance with an undertaking made by the Registrant in each of the Registration Statements to remove from registration, by means of a post-effective amendment, any of the securities that had been registered for issuance that remain unsold at the termination of the offerings, the Registrant hereby removes from registration all such securities registered under the Registration Statements that remain unsold as of the date hereof and terminates the effectiveness of the Registration Statements.


    SIGNATURE
     
    Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused these Post-Effective Amendments to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of San Diego, State of California, on August 29, 2025. No other person is required to sign these Post-Effective Amendments to the Registration Statements in reliance on Rule 478 of the Securities Act of 1933, as amended.
     
     
    ITEOS THERAPEUTICS, INC.
       
     
    /s/ Michael Hearne
     
    Name: Michael Hearne
    Title: Chief Financial Officer
     

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