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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) July 25, 2025

THARIMMUNE, INC.

(Exact name of registrant as specified in its charter)

34 Shrewsbury Avenue, Suite 1C

Red Bank, NJ 07701

(Address of principal executive offices, including zip code)

(732) 889-3111

(Registrant’s telephone number, including area code)

Not Applicable

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

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:

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

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 1.01 Entry into a Material Definitive Agreement

On July 25, 2025, Tharimmune, Inc. (the “Company”) entered into a securities purchase agreement (the “Purchase Agreement”) with certain accredited individual and institutional investors (“the “Purchasers”) for the issuance and sale in a private placement (the “Private Placement”) of (i) 641,190 shares of the Company’s common stock, par value $0.0001 (the “Common Stock”), (ii) pre-funded warrants (the “Pre-Funded Warrants”) to purchase up to 103,490 shares of the Company’s Common Stock at an exercise price of $0.001 per share, (iii) common warrants (the “Common Warrants”) to purchase up to 744,680 shares of the Company’s Common Stock, at an exercise price of $1.52 per share of Common Stock, at the price of $1.645 for each one share of Common Stock (or Pre-Funded Warrant) and Common Warrant purchased pursuant to the Purchase Agreement.

The Common Warrants are exercisable six months from the date of issuance and have a term of exercise equal to seven years from the date of issuance. The Pre-Funded Warrants are exercisable immediately and may be exercised at any time until the Pre-Funded Warrants are exercised in full. A holder of Pre-Funded Warrants or Common Warrants (together with its affiliates) may not exercise any portion of a warrant to the extent that the holder would own more than 4.99% (or, at the election of the holder 9.99%) of the Company’s outstanding common stock immediately after exercise.

The closing of the Private Placement occurred on July 31, 2025, subject to the satisfaction of customary closing conditions.

The gross proceeds to the Company from the Private Placement are expected to be $1,225,003, before deducting placement agent fees and expenses and estimated offering expenses payable by the Company. The Company intends to use the net proceeds received from the Private Placement for clinical development and working capital.

President Street Global served as the Company’s exclusive placement agent in connection with the Private Placement.

The Purchase Agreement contains customary representations and warranties, agreements and obligations, conditions to closing and termination provisions. The foregoing descriptions of terms and conditions of the Purchase Agreement, the Pre-Funded Warrants, the Common Warrant, do not purport to be complete and are qualified in their entirety by the full text of the form of the Purchase Agreement, the form of the Pre-Funded Warrant, the form of the Common Warrant, which are attached hereto as Exhibits 10.1, 4.1, and 4.2, respectively.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits.

SIGNATURES

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.