FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Robinson Chandler

(Last) (First) (Middle)
1000 SKOKIE BLVD SUITE 350

(Street)
WILMETTE IL 60091

(City) (State) (Zip)
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
3. Date of Earliest Transaction (Month/Day/Year)
07/14/2025
4. If Amendment, Date of 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
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 07/14/2025   X   16,800 (1) A $ 0.005 90,272 D  
Common Stock 07/14/2025   S   16,800 D $ 40.0012 (2) 73,472 D  
Common Stock               822,255 I See Footnote (3)
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 Securities Underlying Derivative Security (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: 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 Options $ 0.005 07/14/2025   X     16,800   (4) 02/20/2027 Common Stock 16,800 $ 0 0 D  
Explanation of Responses:
1. This transaction involved a cash exercise of stock options.
2. The shares were sold in multiple transactions at prices ranging from $40.00 to $40.25, inclusive. This amount represents the weighted average sale price of such transactions. The reporting person undertakes to provide full information regarding the number of shares sold at each separate price upon request of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer.
3. As a manager of Tactic Pharma LLC, Dr. Robinson may be deemed to share voting and dispositive power over these 822,255 shares. Dr. Robinson disclaims beneficial ownership of the 822,255 shares held by Tactic Pharma LLC, except to the extent of his pecuniary interest therein.
4. Reflects options to purchase up to 16,800 shares of common stock granted to Dr. Robinson on February 20, 2017, for his services as a director and officer of Monopar Therapeutics. The options vested 6/48ths upon the 6-month anniversary of the grant date and 1/48th per month thereafter.
/s/ Quan Vu, Attorney-in-fact 07/16/2025
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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