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 * Robinson Chandler 2. Issuer Name and Ticker or Trading Symbol Monopar Therapeutics [MNPR] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chief Executive Officer (Last) (First) (Middle) 1000 SKOKIE BLVD SUITE 350 3. Date of Earliest Transaction (Month/Day/Year) 09/30/2025 (Street) WILMETTE, IL 60091 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 Common Stock 09/30/2025 M 8,726 A (1) 82,198 D Common Stock 09/30/2025 F 2,646(2) D $81.67 79,552 D Common Stock 272,026 I See Footnote(3)

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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

Restricted Stock Units

(1)

09/30/2025

M

8,726

(4)(5)(6)

(4)(5)(6)

Common Stock

8,726

$ 0

72,599

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Robinson Chandler 1000 SKOKIE BLVD SUITE 350 WILMETTE, IL 60091	X		Chief Executive Officer

Signatures

/s/ Quan Vu, Attorney-in-fact		10/02/2025
**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)	Represents shares acquired on vesting and settlement of restricted stock units.
(2)	Represents shares withheld by the issuer to pay for the applicable withholding tax due upon vesting of restricted stock units.
(3)	As a manager of Tactic Pharma LLC, Dr. Robinson may be deemed to share voting and dispositive power over these 272,026 shares. Dr. Robinson disclaims beneficial ownership of the 272,026 shares held by Tactic Pharma LLC, except to the extent of his pecuniary interest therein.
(4)	On February 2, 2022, the reporting person was granted 31,905 restricted stock units, vesting 6/48ths (3,988 shares) on June 30, 2022, and 3/48ths (1,994 shares) every 3 months thereafter until the RSU is fully vested on December 31, 2025. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Disposed of restricted stock units were surrendered in exchange for issuance of common stock upon vesting and settlement.
(5)	On February 1, 2023, the reporting person was granted 33,803 restricted stock units, vesting 6/48ths (4,225 shares) on June 30, 2023, and 3/48ths (2,113 shares) every 3 months thereafter until the RSU is fully vested on December 31, 2026. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Disposed of restricted stock units were surrendered in exchange for issuance of common stock upon vesting and settlement.
(6)	On March 4, 2025, the reporting person was granted 79,899 restricted stock units of which 6,002 shares vested immediately as of the grant date. The remaining 73,897 restricted stock units vest 6/48ths (9,237 shares) on June 30, 2025, and 3/48ths (4,619 shares) every 3 months thereafter until the RSU is fully vested on December 31, 2028. Each restricted stock unit represents a contingent right to receive one share of common stock of the Issuer. Disposed of restricted stock units were surrendered in exchange for issuance of common stock upon vesting and settlement.

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