AIM AIM ImmunoTech Inc

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Schedule 13D

Under the Securities Exchange Act of 1934

(Amendment No. 9)

AIM IMMUNOTECH INC.

(Name of Issuer)

Common Stock, par value $0.001 per share

(Title of Class of Securities)

00901B105

(CUSIP Number)

Todd Deutsch

Ted D. Kellner

Paul W. Sweeney

Wayne Springate

c/o Baker & Hostetler LLP

127 Public Square, Suite 2000

Cleveland, Ohio 44114

Attn: John J. Harrington

(216) 621-0200

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

December 14, 2024

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §240.13d-1(e), §240.13d-1(f) or §240.13d-1(g), check the following box: ☐

The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13D

CUSIP No. 00901B105

CUSIP No. 00901B105

CUSIP No. 00901B105

CUSIP No. 00901B105

SCHEDULE 13D

This Amendment No. 9 (“Amendment No. 9”) is being filed jointly by Todd Deutsch, Ted. D. Kellner, Paul W. Sweeney and Wayne Springate and amends and supplements the Schedule 13D filed with the Securities and Exchange Commission on July 27, 2023 (the “Initial Schedule 13D” and together with Amendment No. 1 thereto filed on August 7, 2023, Amendment No. 2 thereto filed on August 28, 2023, Amendment No. 3 thereto filed on January 3, 2024, Amendment No. 4 thereto filed on July 15, 2024, Amendment No. 5 thereto filed on July 30, 2024, Amendment No. 6 thereto filed on August 14, 2024, Amendment No. 7 thereto filed on September 3, 2024 and Amendment No. 8 thereto filed on September 11, 2024, the “Schedule 13D”) by Todd Deutsch, Ted D. Kellner and, in the case of Amendment No. 8 thereto, Paul W. Sweeney, with respect to the Common Stock, par value $0.001 per share, of AIM ImmunoTech Inc. (the “Company”).

In this Amendment No. 9, Mr. Deutsch, Mr. Kellner, Mr. Sweeney and Mr. Springate are each a “Reporting Person” and, collectively, the “Reporting Persons.” In the Initial Schedule 13D and all prior amendments, “Reporting Persons” refers to Mr. Deutsch and Mr. Kellner, except for Amendment No. 8, in which “Reporting Persons” refer to Mr. Deutsch, Mr. Kellner and Mr. Sweeney. Capitalized terms used herein and not otherwise defined in this Amendment No. 9 shall have the meanings set forth in the Schedule 13D. This Amendment No. 9 amends Items 2, 3, 5, 6 and 7 to the extent set forth below.

Item 2. Identity and Background

Item 2 is supplemented as follows:

This Amendment No. 9 is being filed jointly by Mr. Deutsch, Mr. Kellner, Mr. Sweeney and Mr. Springate.

Mr. Springate’s business address is P.O. Box 111, Lake Harmony, PA 18624. He is the Managing Member of WLJ Holdings LLC, a company specializing in building healthcare companies in certain niches to meet unmet needs. Mr. Springate is a U.S. citizen.

During the last five years, none of the Reporting Persons has been convicted in a criminal proceeding.

During the last five years, none of the Reporting Persons was party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws, or finding any violation with respect to such laws.

Item 3. Source and Amount of Funds or Other Consideration

Item 3 is supplemented as follows:

Mr. Springate acquired the shares of Common Stock he beneficially owns pursuant to awards made under equity compensation plans of the Company.

Item 5. Interest in Securities of the Issuer

Mr. Springate is the beneficial owner of 4,660 shares of Common Stock, or 0.007% of the Company’s outstanding shares. He has sole voting and dispositive power over these shares. The Group consisting of the Reporting Persons owns an aggregate of 3,215,660 shares of Common Stock, or 5.04% of the Company’s outstanding shares. The foregoing is based on 63,779,325 shares of Common Stock outstanding as reported in a Prospectus filed by the Company pursuant to Rule 424(b)(5) on December 4, 2024 with the Securities and Exchange Commission (File No. 333-283269).

Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to Securities of the Issuer

Item 6 is hereby supplemented as follows:

On December 14, 2024, each of William A. Carter and Mr. Springate joined, as “Cooperating Parties,” the agreement, dated September 3, 2024 and amended September 11, 2024 , among the other Reporting Persons and Mr. Chioini for the limited purposes set forth therein. The Coordinating Parties will not take Coordinated Actions (as defined in the agreement) without the approval of Mr. Kellner. Mr. Kellner and the Other Nominees may take Coordinated Actions without the approval or review of the Cooperating Parties, provided that no communications or public statements by Mr. Kellner or the Other Nominees will be attributed to, incorporate substantive information provided by or otherwise reference the Cooperating Parties in a substantive manner without their prior approval of those (and just those) specific portions of such communications or public statements, unless substantially consistent with prior communications, public statements or other disclosures previously approved by the Cooperating Parties.

The agreement terminated by its terms upon the completion of the Company’s annual meeting of stockholders held on December 17, 2024. The Reporting Persons expect to determine whether to continue to coordinate their activities with respect to the Company once the final results of the annual meeting are available.

The foregoing summary is qualified by reference in its entirety by the terms and conditions of the joinder to the agreement, a copy of which is attached hereto as Exhibit 1.

Item 7. Material to be Filed as Exhibits

Item 7 is hereby supplemented by adding the following exhibits:

SIGNATURES

After reasonable inquiry and to the best of its knowledge and belief, each of the undersigned hereby certifies that the information set forth in this statement is true, complete and correct.

Date: December 17, 2024

EXHIBIT 1

JOINDER AGREEMENT

This JOINDER AGREEMENT (the “Joinder”) is dated as of December 14, 2024 by and among Ted D. Kellner (the “Nominating Stockholder”), as nominating stockholder and a nominee, and Todd Deutsch, Robert L. Chioini and Paul Sweeney (the “Other Nominees,” and together with the Nominating Stockholder, the “Nominees”), and William A. Carter and Wayne Springate (the “Cooperating Parties”).

WHEREAS, the Nominees are parties to that certain Agreement, dated as of September 3, 2024 and Joinder Agreement, dated September 11, 2024 (collectively, the “Agreement”), pursuant to which the Nominees intend to undertake the Coordinated Activities (as defined in the Agreement); and

WHEREAS, the Cooperating Parties desire to join as parties to the Agreement for the limited purposes set forth herein.

NOW, THEREFORE, in consideration of the premises and of the mutual covenants and agreements of the parties herein contained, the parties hereby agree as follows:

1. The Cooperating Parties represent that they do not beneficially own any Common Stock or other Company Securities (as such terms are defined in the Agreement), other than as described on Exhibit A hereto.

2. The Cooperating Parties will not engage in Coordinated Activities (as defined in the Agreement) without the approval of the Nominating Stockholder (which approval shall not be unreasonably withheld, delayed or conditioned). The Cooperating Parties acknowledge that the Nominating Stockholder and the Other Nominees may undertake Coordinated Activities without the approval or review of the Cooperating Parties, provided that no communications or public statements by the Nominating Stockholder or Other Nominees will be attributed to, incorporate substantive information provided by or otherwise reference the Cooperating Parties in a substantive manner without their prior approval of those (and just those) specific portions of such communications or public statements, unless substantially consistent with prior communications, public statements or other disclosures previously approved by the Cooperating Parties.

3. The Cooperating Parties hereby agree to be responsible for certain regulatory reporting requirements pursuant to Section 5 of the Agreement, which is hereby replaced and superseded in its entirety to read as follows:

“Regulatory Reporting. In connection with the Coordinated Activities, the Nominating Stockholder and Other Nominees will jointly prepare and timely file all filings required by Section 14 of the Exchange Act, under which the Cooperating Parties will be considered “participants” pursuant to Section 14 of the Exchange Act. The Nominating Stockholder, Mr. Deutsch, Mr. Sweeney and Mr. Springate will jointly prepare and timely file all filings required by Section 13 of the Exchange Act after review, comment and consent by Mr. Chioini. Each Party will cooperate with the other, including by providing all necessary information, in order to facilitate the timely and accurate filing of all joint and individual filings.”

4. Expenses. The Nominating Stockholder shall be responsible for all expenses, including but not limited to, legal expenses, proxy solicitation fees, litigation costs, public relations fees, printing and distribution fees and fees paid to other advisors, consultants and service providers in connection with the Coordinated Activities. The Cooperating Parties will not incur any expenses pursuant to this Agreement without the advance consent of the Nominating Stockholder, with such consent not to be unreasonably withheld, delayed or conditioned. Notwithstanding the foregoing sentence, a Party will be responsible for any expense or liability arising out of such Party’s or its affiliates’ fraud, willful misconduct, gross negligence, or any liability or expense relating specifically to such Party that is not in connection with the Coordinated Activities or not consented to as specified herein.

5. Other Provisions. The Cooperating Parties will each be deemed a “Party” for purposes of Sections 6 through 11 of the Agreement and bound by such provisions accordingly. The following notice information is provided for the Cooperating Parties for purposes of Section 9 of the Agreement:

If intended for Dr. Carter:

If intended for Mr. Springate:

6. This Joinder may be executed in counterparts, each of which shall be deemed an original and all of which, taken together, shall constitute but one and the same instrument, which may be sufficiently evidenced by one counterpart.

[Signatures appear on next page]

IN WITNESS WHEREOF, the parties hereto have caused this Joinder Agreement to be executed as of the day and year first above written.

Exhibit A

Share Ownership of Mr. Springate

EXHIBIT 2

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the shares of the Common Stock of the Company and further agree that this Joint Filing Agreement be included as an Exhibit to such joint filings. In evidence thereof, the undersigned, being duly authorized, have executed this Joint Filing Agreement this 12th day of December, 2024.