As filed with the Securities and Exchange Commission on August 27, 2026
Registration No. 333-217300
Registration No. 333-223558
Registration No. 333-229963
Registration No. 333-235852
Registration No. 333-244407
Registration No. 333-255125
Registration No. 333-265823
Registration No. 333-271036
Registration No. 333-278647
Registration No. 333-284769
Registration No. 333-290610
Registration No. 333-296421

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
 

 
FORM S-8
POST-EFFECTIVE AMENDMENT NO. 1 TO:
Form S-8 Registration Statement No. 333-217300
Form S-8 Registration Statement No. 333-223558
Form S-8 Registration Statement No. 333-229963
Form S-8 Registration Statement No. 333-235852
Form S-8 Registration Statement No. 333-244407
Form S-8 Registration Statement No. 333-255125
Form S-8 Registration Statement No. 333-265823
Form S-8 Registration Statement No. 333-271036
Form S-8 Registration Statement No. 333-278647
Form S-8 Registration Statement No. 333-284769
Form S-8 Registration Statement No. 333-290610
Form S-8 Registration Statement No. 333-296421
UNDER
THE SECURITIES ACT OF 1933
 

 
FORTE BIOSCIENCES, INC.
(Exact name of Registrant as specified in its charter) 
 

 
Delaware   26-1243872
(State or other jurisdiction of
incorporation or organization)
 
(I.R.S. Employer
Identification Number)
 
3060 Pegasus Park Drive, Building 6
Dallas, Texas 75247
(310) 618-6994
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
 
Hemamalini (Malini) Moorthy
Vice President and Secretary
3060 Pegasus Park Drive, Building 6
Dallas, Texas 75247
(310) 618-6994
(Name, address, including zip code, and telephone number, including area code, of agent for service)
 

 
Copies to:
Damien Zoubek, Esq.
Oliver J. Board, Esq.
Freshfields US LLP
3 World Trade Center
175 Greenwich Street
New York, NY 10007
(212) 277-4000
 

 
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 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. 
 

1

EXPLANATORY NOTE AND DEREGISTRATION OF UNSOLD SECURITIES
 
This Post-Effective Amendment No. 1 (this “Post-Effective Amendment”) relates to the deregistration of all shares of common stock, $0.001 par value per share (“Common Stock”), of Forte Biosciences, Inc., a Delaware corporation (the “Registrant”), remaining unsold or otherwise unissued under the following Registration Statements on Form S-8 (collectively, the “Registration Statements”) filed by the Registrant with the Securities and Exchange Commission (the “SEC”):
 
File No.
  Date Originally Filed
with the SEC
  Name of Equity Plan(s) or Agreement(s)   Shares of
Common
Stock
333-217300
 
April 13, 2017
 
Tocagen Inc. 2009 Equity Incentive Plan
Tocagen Inc. 2017 Equity Incentive Plan
Tocagen Inc. 2017 Employee Stock Purchase Plan
  4,829,573
             
333-223558
 
March 9, 2018
 
Tocagen Inc. 2017 Equity Incentive Plan
Tocagen Inc. 2017 Employee Stock Purchase Plan
  994,128
             
333-229963
 
February 28, 2019
 
Tocagen Inc. 2017 Equity Incentive Plan
Tocagen Inc. 2017 Employee Stock Purchase Plan
  1,325,007
             
333-235852
 
January 8, 2020
 
Tocagen Inc. 2017 Equity Incentive Plan
Tocagen Inc. 2017 Employee Stock Purchase Plan
  1,194,962
             
333-244407
 
August 11, 2020
 
Forte Biosciences, Inc. 2020 Inducement Equity Incentive Plan
Forte Subsidiary, Inc. 2018 Equity Incentive Plan
  1,032,333
             
333-255125
 
April 8, 2021
 
Forte Biosciences, Inc. 2017 Equity Incentive Plan
Forte Biosciences, Inc. 2017 Employee Stock Purchase Plan
  813,224
             
333-265823
 
June 24, 2022
 
Forte Biosciences, Inc. 2021 Equity Incentive Plan
Forte Biosciences, Inc. 2017 Employee Stock Purchase Plan
  2,647,544
             
333-271036
 
March 31, 2023
 
Forte Biosciences, Inc. 2017 Employee Stock Purchase Plan
  210,000
             
333-278647
 
April 12, 2024
 
Forte Biosciences, Inc. 2017 Employee Stock Purchase Plan
Forte Biosciences, Inc. 2020 Inducement Equity Incentive Plan
  1,800,000
             
333-284769
 
February 7, 2025
 
Forte Biosciences, Inc. Amended and Restated 2021 Equity Incentive Plan
Forte Biosciences, Inc. 2017 Employee Stock Purchase Plan
  3,352,000
             
333-290610
 
September 30, 2025
 
Forte Biosciences, Inc. 2020 Inducement Equity Incentive Plan
  1,000,000
             
333-296421
 
June 2, 2026
 
Forte Biosciences, Inc. Amended and Restated 2021 Equity Incentive Plan
Forte Biosciences, Inc. 2017 Employee Stock Purchase Plan
  1,862,000
 
On August 27, 2026, pursuant to the terms of the Agreement and Plan of Merger, dated as of July 26, 2026 (the “Merger Agreement”), by and among the Registrant, argenx BV, a private company with limited liability (besloten vennootschap) organized under Belgian law (“Parent”), and Avena Merger Sub Inc., a Delaware corporation and a wholly owned subsidiary of argenx (“Purchaser”), Purchaser merged with and into the Registrant, with the Registrant surviving the merger as a wholly owned subsidiary of Parent.
 
As a result of the transactions contemplated by the Merger Agreement, the Registrant has terminated all offerings of its securities pursuant to the Registration Statements. In accordance with an undertaking made by the Registrant in the Registration Statements to remove from registration, by means of a post-effective amendment, any of the securities registered under the Registration Statements that remain unissued at the termination of the offerings, the Registrant hereby deregisters all securities previously registered but unsold or otherwise unissued under the Registration Statements, if any, as of the date hereof.
 
2

SIGNATURES
 
Pursuant to the requirements of the Securities Act of 1933, as amended, 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 this Post-Effective Amendment No. 1 to the Registration Statements on Form S-8 described above to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Dallas, Texas, on August 27, 2026.
 

Forte Biosciences, Inc.



Date: August 27, 2026 By: /s/ Hemamalini (Malini) Moorthy

 
Name: Hemamalini (Malini) Moorthy

 
Title: Vice President and Secretary
 
No other person is required to sign this Post-Effective Amendment No. 1 to the Registration Statements on Form S-8, in reliance upon Rule 478 under the Securities Act of 1933, as amended.