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): October 26, 2026

Imunon, Inc.

(Exact name of registrant as specified in its charter)

Delaware 001-15911 52-1256615
(State or other jurisdiction of (Commission File Number) (I.R.S. Employer
incorporation or organization) Identification Number)
997 Lenox Drive, Suite 100
Lawrenceville, NJ 08648-2311
(Address of principal executive offices) (Zip code)

(609) 896-9100

(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:

☐ 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))

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, par value $0.01 per share IMNN Nasdaq Capital Market

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 8.01. Other Events.

On October 26, 2026, Imunon, Inc. (the “Company”) made available an investor presentation (the “Investor Presentation”), which the Company expects to use in connection with investor calls and/or conferences. A copy of the Investor Presentation is attached hereto as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit

Number

Description
99.1 Imunon, Inc. Investor Presentation October 2026.
104 Cover Page Interactive Data File (embedded within the Inline XBRL document).
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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.

IMUNON, INC.
Date: October 26, 2026 By: /s/ Josh Blacher
Name: Josh Blacher
Title: Chief Financial Officer
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