Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Brun Scott C. 2. Issuer Name and Ticker or Trading Symbol Forte Biosciences, Inc. [FBRX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O FORTE BIOSCIENCES, INC., 3060 PEGASUS PARK DR., BUILDING 6 3. Date of Earliest Transaction (Month/Day/Year) 08/27/2026 (Street) DALLAS, TX 75247 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Stock Option (right to buy)

$25

08/27/2026

D

2,000

11/10/2025

11/10/2032

Common Stock

2,000

(1)(2)

0

D

Stock Option (right to buy)

$20

08/27/2026

D

1,000

08/20/2024

09/19/2033

Common Stock

1,000

(1)(2)

0

D

Stock Option (right to buy)

$8.6

08/27/2026

D

2,000

05/29/2025

08/20/2034

Common Stock

2,000

(1)(2)

0

D

Stock Option (right to buy)

$7.54

08/27/2026

D

31,000

(1)(2)

03/20/2035

Common Stock

31,000

(1)(2)

0

D

Restricted Stock Units

(3)

08/27/2026

D

18,353

(4)

(4)

Common Stock

18,353

(4)

0

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Brun Scott C. C/O FORTE BIOSCIENCES, INC. 3060 PEGASUS PARK DR., BUILDING 6 DALLAS, TX 75247	X

Signatures

/s/ Paul A. Wagner, Ph.D., as Attorney-in-Fact		08/27/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Pursuant to the Agreement and Plan of Merger, dated July 26, 2026 (the "Merger Agreement"), by and among Forte Biosciences, Inc. ("Company"), argenx BV ("Parent"), and Avena Merger Sub Inc., a wholly owned subsidiary of Parent ("Purchaser"), each unexercised and outstanding option to purchase shares of Common Stock (a "Company Option"), whether or not vested, and which had a per share exercise price that was less than $77.00 per share ("Merger Consideration"), was canceled and converted into the right of the holder to receive (i) (subject to any applicable withholding taxes) a lump-sum cash payment equal to (x) the excess (if any) of (a) the Merger Consideration over (b) the per share exercise price subject to such Company Option, multiplied by (y) the total number of shares subject to such Company Option immediately prior to Purchaser merging with and into Company (the "Merger"), with Company surviving the Merger as a wholly owned subsidiary of Parent.
(2)	At the effective time of the Merger, each Company Option that is then outstanding and unexercised, whether or not vested and which has a per share exercise price that is equal to or greater than the Merger Consideration, shall be cancelled with no consideration payable therefor.
(3)	Each restricted stock unit ("RSU") represents a contingent right to receive one share of Forte Biosciences, Inc. (the "Issuer") Common Stock.
(4)	Pursuant to the Merger Agreement, each outstanding restricted stock unit (a "Company RSU"), whether or not vested, was canceled and converted into the right of the holder to receive (i) (subject to any applicable withholding taxes) a lump-sum cash payment equal to (x) the Merger Consideration, multiplied by (y) the total number of shares subject to such Company RSU immediately prior to the effective time of the Merger.

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