Additional Proxy Soliciting Materials (Form DEFA14A)

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): December 4, 2025

THUMZUP MEDIA CORPORATION

(Exact name of registrant as specified in its charter)

Nevada		001-42388		85-3651036
(State or Other Jurisdiction of Incorporation)		(Commission File Number)		(IRS Employer Identification No.)

10557-B Jefferson Blvd., Los Angeles, CA 90232

(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (800) 403-6150

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 (see General Instruction A.2. below):

☐	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. ☐

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		TZUP		The Nasdaq Stock Market LLC

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year.

On December 4, 2025, Thumzup Media Corporation (the "Company") filed a Certificate of Correction (the "Certificate of Correction") to the Amended and Restated Certificate of Designation of Rights, Powers, Preferences, Privileges and Restrictions of Series A Preferred Convertible Voting Stock (the "Certificate of Designation"). The Certificate of Correction corrects certain language that was inadvertently omitted from Section 4(h) of the Certificate of Designation.

The foregoing description of the Certificate of Correction is not complete and is qualified in its entirety by reference to the full text of the Certificate of Correction, a copy of which is filed as Exhibit 3.1 to this Current Report on Form 8-K and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No.		Description
3.1		Certificate of Correction, dated December 4, 2025, to the Amended and Restated Certificate of Designation of Rights, Powers, Preferences, Privileges and Restrictions of Series A Preferred Convertible Voting Stock
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, thereunto duly authorized.

Date: December 5, 2025	THUMZUP MEDIA CORPORATION
	By:	/s/ Robert Steele
	Name:	Robert Steele
	Title:	Chief Executive Officer