UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): September 15, 2025

MONOPAR THERAPEUTICS INC.

(Exact name of registrant as specified in its charter)

Delaware		001-39070		32-0463781
(State or other jurisdiction of incorporation)		(Commission File Number)		(I.R.S. Employer Identification No.)

1000 Skokie Blvd., Suite 350, Wilmette, IL		60091
(Address of principal executive offices)		(Zip Code)

(847) 388-0349

Registrant’s telephone number, including area code

N/A

(Former name or former address, if changed since last report)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Stock, $0.001 par value		MNPR		The Nasdaq Stock Market LLC (Nasdaq Capital Market)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).

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 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure.

On September 14, 2025, Monopar Therapeutics Inc. ("Monopar") issued a press release announcing the presentation of new data on the long-term neurological efficacy and safety of its investigational therapy ALXN1840 (tiomolybdate choline) for Wilson disease at the 150th American Neurological Association (ANA) Annual Meeting on September 14-15, 2025.

The press release, poster presentation and oral presentation are furnished as Exhibit 99.1, 99.2 and 99.3, respectively, and incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

Exhibit No.		Description
99.1		Press Release Dated September 14, 2025
99.2		Poster Presentation on the Long-Term Neurological Efficacy and Safety Data for ALXN1840 in Wilson Disease
99.3		Oral Presentation on the Long-Term Neurological Efficacy and Safety Data for ALXN1840 in Wilson Disease
104		Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Monopar Therapeutics Inc.

Date: September 15, 2025	By:	/s/ Quan Vu
	Name:	Quan Vu
	Title:	Chief Financial Officer

Monopar Therapeutics 8-K