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 30, 2025

AIM IMMUNOTECH INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (352) 448-7797

(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 (see General Instruction A.2. below):

Indicate by check mark whether the registrant is an emerging growth company as defined in 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:

Item 1.01 Entry into a Material Definitive Agreement

The following agreements, previously filed as exhibits to the Registration Statement on Form S-1 (SEC File No. 333-284443) (the Registration Statement”) by AIM ImmunoTech Inc. (the “Company”) have been revised, are superseded by and are filed herewith as Exhibits 1.1, 4.26, 4.27, 4.28 and 10.63, respectively, and are incorporated by reference herein:

the Placement Agency Agreement with Maxim Group LLC;

the form of Class E/F Warrants;

the form of Pre-Funded Warrant;

the Warrant Agency Agreement with the warrant agent; and

the Securities Purchase Agreement.

Please see these exhibits for more complete information.

Item 8.01 Other Events

On July 31, 2025, the Company announced the closing of its previously announced public offering of an aggregate of 2,000,000 shares of its common stock (or pre-funded warrants in lieu thereof), Class E warrants to purchase up to 2,000,000 shares of common stock, and Class F warrants to purchase up to 2,000,000 shares of common stock, at a combined public offering price of $4.00 per share (or $3.999 per pre-funded warrant) and accompanying warrants. The warrants will have an exercise price of $4.00 per share, and were exercisable immediately upon issuance. The Class E warrants will expire on the fifth anniversary of the original issuance date, and the Class F warrants will expire on the eighteen-month anniversary of the original issuance date. Gross proceeds, before deducting placement agent fees and offering expenses, were approximately $8.0 million. Maxim Group LLC acted as sole placement agent in connection with this offering.

For more information, please see the July 31, 2025, press release which is attached to this Current Report on Form 8-K as Exhibit 99.1 and is incorporated by reference herein.

Cautionary Statement Regarding Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 (the “PSLRA”). Words such as “may,” “will,” “expect,” “plan,” “anticipate,” “continue,” “believe,” “potential,” “upcoming” and other variations thereon and similar expressions (as well as other words or expressions referencing future events or circumstances) are intended to identify forward-looking statements. Many of these forward-looking statements involve a number of risks and uncertainties. The Company urges investors to consider specifically the various risk factors identified in the Registration Statement, the Company’s most recent Form 10-K, and any risk factors or cautionary statements included in any subsequent Form 10-Q or Form 8-K, filed with the SEC. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date of this press release. Among other things, for those statements, the Company claims the protection of the safe harbor for forward-looking statements contained in the PSLRA. The Company does not undertake to update any of these forward-looking statements to reflect events or circumstances that occur after the date hereof.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits

The following exhibits are filed herewith:

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.