AIM ImmunoTech Inc. SEC filings AIM
AIM ImmunoTech Inc. has 1,001 filings in SEC EDGAR's recent list, going back to Dec 6, 2013. Its latest annual report, Form ARS, was filed on Sep 30, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Regulation FD disclosure
|
Nov 5, 2026 | Nov 5, 2026 |
| DEFA14A | Additional proxy material | Nov 3, 2026 | — |
| ARS | Annual report to shareholders | Sep 30, 2026 | Dec 31, 2025 |
| DEF 14A | Proxy statement | Sep 30, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Sep 14, 2026 | Sep 8, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Sep 10, 2026 | Sep 3, 2026 |
| 8-K |
Current report
Material agreement, Agreement ended, Unregistered share sale
|
Sep 4, 2026 | Aug 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Aug 11, 2026 | Aug 11, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2026 | Aug 7, 2026 |
| 10-Q | Quarterly report | Aug 7, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Material agreement
|
Aug 6, 2026 | Jul 31, 2026 |
| 8-K |
Current report
Agreement ended
|
Aug 5, 2026 | Jul 31, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jul 16, 2026 | Jul 15, 2026 |
| S-8 | Employee stock plan registration | Jul 9, 2026 | — |
| DEF 14A | Proxy statement | Jun 25, 2026 | Jun 25, 2026 |
| 424B3 | Prospectus | Jun 24, 2026 | — |
| EFFECT | Filing | Jun 23, 2026 | — |
| CORRESP | Letter to the SEC | Jun 18, 2026 | — |
| UPLOAD | Letter from the SEC | Jun 18, 2026 | — |
| 424B3 | Prospectus | Jun 18, 2026 | — |
| S-1 | Registration statement | Jun 18, 2026 | — |
| EFFECT | Filing | Jun 16, 2026 | — |
| PRE 14A | Preliminary proxy statement | Jun 15, 2026 | Jun 15, 2026 |
| CORRESP | Letter to the SEC | Jun 15, 2026 | — |
| 8-K |
Current report
Other events
|
Jun 15, 2026 | Jun 12, 2026 |
| UPLOAD | Letter from the SEC | Jun 12, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jun 11, 2026 | Jun 9, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jun 10, 2026 | Jun 9, 2026 |
| 424B5 | Prospectus supplement | Jun 10, 2026 | — |
| S-1 | Registration statement | Jun 8, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 4, 2026 | Jun 4, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
May 21, 2026 | May 20, 2026 |
| 424B5 | Prospectus supplement | May 21, 2026 | — |
| 424B5 | Prospectus supplement | May 19, 2026 | — |
| 8-K |
Current report
Material agreement, Results of operations, New debt, Regulation FD disclosure
|
May 19, 2026 | May 18, 2026 |
| 10-Q | Quarterly report | May 15, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
May 14, 2026 | May 14, 2026 |
| 8-K |
Current report
Unregistered share sale
|
May 12, 2026 | May 8, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
May 8, 2026 | May 7, 2026 |
| 8-K |
Current report
Material agreement
|
Apr 10, 2026 | Apr 10, 2026 |
| 424B5 | Prospectus supplement | Apr 10, 2026 | — |
| 10-K | Annual report | Mar 27, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, Change to shareholder rights, Bylaw or fiscal year change, Other events
|
Mar 6, 2026 | Mar 4, 2026 |
| 424B3 | Prospectus | Feb 27, 2026 | — |
| 424B4 | Prospectus | Feb 17, 2026 | — |
| EFFECT | Filing | Feb 10, 2026 | — |
| S-1/A | Amended registration statement | Feb 10, 2026 | — |
| CORRESP | Letter to the SEC | Feb 6, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 5, 2026 | Feb 5, 2026 |
| CORRESP | Letter to the SEC | Jan 29, 2026 | — |
| S-1/A | Amended registration statement | Jan 29, 2026 | — |
| CORRESP | Letter to the SEC | Jan 23, 2026 | — |
| S-1/A | Amended registration statement | Jan 23, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 20, 2026 | Jan 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Dec 17, 2025 | Dec 16, 2025 |
| S-1 | Registration statement | Dec 12, 2025 | — |
| 8-K |
Current report
Material agreement, New debt
|
Nov 19, 2025 | Nov 18, 2025 |
| 10-Q | Quarterly report | Nov 17, 2025 | Sep 30, 2025 |
| NT 10-Q | Filing | Nov 17, 2025 | Sep 30, 2025 |
| 424B5 | Prospectus supplement | Oct 30, 2025 | — |
| 8-K |
Current report
Material agreement
|
Oct 29, 2025 | Oct 29, 2025 |
| DEF 14A | Proxy statement | Oct 29, 2025 | Oct 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 20, 2025 | Oct 20, 2025 |
| 10-Q | Quarterly report | Aug 14, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Jul 31, 2025 | Jul 30, 2025 |
| 424B5 | Prospectus supplement | Jul 30, 2025 | — |
| EFFECT | Filing | Jul 28, 2025 | — |
| 8-K |
Current report
Other events
|
Jul 28, 2025 | Jul 28, 2025 |
| CORRESP | Letter to the SEC | Jul 24, 2025 | — |
| CORRESP | Letter to the SEC | Jul 24, 2025 | — |
| S-1/A | Amended registration statement | Jul 22, 2025 | — |
| S-8 | Employee stock plan registration | Jul 15, 2025 | — |
| CORRESP | Letter to the SEC | Jul 15, 2025 | — |
| S-1/A | Amended registration statement | Jul 15, 2025 | — |
| EFFECT | Filing | Jul 3, 2025 | — |
| CORRESP | Letter to the SEC | Jun 30, 2025 | — |
| CORRESP | Letter to the SEC | Jun 27, 2025 | — |
| S-3/A | Filing | Jun 27, 2025 | — |
| 8-K |
Current report
Listing notice, Other events
|
Jun 20, 2025 | Jun 17, 2025 |
| 8-K |
Current report
Listing notice, Bylaw or fiscal year change, Other events
|
Jun 12, 2025 | May 29, 2025 |
| 10-Q | Quarterly report | May 15, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Shareholder vote results
|
May 1, 2025 | Apr 30, 2025 |
| 8-K |
Current report
Listing notice, Other events
|
Apr 7, 2025 | Apr 4, 2025 |
| 8-K |
Current report
Material agreement
|
Apr 4, 2025 | Apr 1, 2025 |
| UPLOAD | Letter from the SEC | Apr 3, 2025 | — |
| DEF 14A | Proxy statement | Apr 2, 2025 | Apr 2, 2025 |
| S-3 | Shelf registration | Apr 1, 2025 | — |
| 10-K | Annual report | Mar 27, 2025 | Dec 31, 2024 |
| PRE 14A | Preliminary proxy statement | Feb 28, 2025 | Feb 28, 2025 |
| 8-K |
Current report
Other events
|
Feb 28, 2025 | Feb 26, 2025 |
| 8-K |
Current report
Officer or director change, Bylaw or fiscal year change
|
Feb 26, 2025 | Feb 24, 2025 |
| CORRESP | Letter to the SEC | Feb 13, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 11, 2025 | Feb 11, 2025 |
| 8-K |
Current report
Other events
|
Feb 11, 2025 | Feb 11, 2025 |
| S-1/A | Amended registration statement | Feb 7, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 7, 2025 | Feb 7, 2025 |
| CORRESP | Letter to the SEC | Feb 6, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 5, 2025 | Feb 5, 2025 |
| S-1/A | Amended registration statement | Feb 3, 2025 | — |
| UPLOAD | Letter from the SEC | Jan 29, 2025 | — |
| CORRESP | Letter to the SEC | Jan 23, 2025 | — |
| S-1 | Registration statement | Jan 23, 2025 | — |
| 8-K |
Current report
Officer or director change
|
Dec 23, 2024 | Dec 19, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Dec 20, 2024 | Dec 17, 2024 |
| 8-K |
Current report
Listing notice, Other events
|
Dec 17, 2024 | Dec 11, 2024 |
| DEFA14A | Additional proxy material | Dec 17, 2024 | — |
| DFAN14A | Filing | Dec 16, 2024 | — |
| DEFA14A | Additional proxy material | Dec 16, 2024 | — |
| DFAN14A | Filing | Dec 13, 2024 | — |
| DEFA14A | Additional proxy material | Dec 12, 2024 | — |
| DFAN14A | Filing | Dec 12, 2024 | — |
| DFAN14A | Filing | Dec 12, 2024 | — |
| DFAN14A | Filing | Dec 11, 2024 | — |
| DEFA14A | Additional proxy material | Dec 10, 2024 | — |
| DFAN14A | Filing | Dec 10, 2024 | — |
| DFAN14A | Filing | Dec 10, 2024 | — |
| DEFA14A | Additional proxy material | Dec 9, 2024 | — |
| DEFA14A | Additional proxy material | Dec 6, 2024 | — |
| DFAN14A | Filing | Dec 6, 2024 | — |
| DEFA14A | Additional proxy material | Dec 5, 2024 | — |
| EFFECT | Filing | Dec 4, 2024 | — |
| DEFA14A | Additional proxy material | Dec 4, 2024 | — |
| 424B5 | Prospectus supplement | Dec 4, 2024 | — |
| DEFA14A | Additional proxy material | Dec 2, 2024 | — |
| DFAN14A | Filing | Dec 2, 2024 | — |
| DEFA14A | Additional proxy material | Nov 27, 2024 | — |
| DEFA14A | Additional proxy material | Nov 27, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 27, 2024 | Nov 25, 2024 |
| DFAN14A | Filing | Nov 27, 2024 | — |
| CORRESP | Letter to the SEC | Nov 26, 2024 | — |
| DFAN14A | Filing | Nov 26, 2024 | — |
| DEFA14A | Additional proxy material | Nov 25, 2024 | — |
| DEFA14A | Additional proxy material | Nov 22, 2024 | — |
| UPLOAD | Letter from the SEC | Nov 21, 2024 | — |
| DFAN14A | Filing | Nov 20, 2024 | — |
| DFAN14A | Filing | Nov 19, 2024 | — |
| DEFA14A | Additional proxy material | Nov 15, 2024 | — |
| CORRESP | Letter to the SEC | Nov 15, 2024 | — |
| S-1 | Registration statement | Nov 15, 2024 | — |
| 10-Q | Quarterly report | Nov 14, 2024 | Sep 30, 2024 |
| DFAN14A | Filing | Nov 14, 2024 | — |
| DEFA14A | Additional proxy material | Nov 8, 2024 | — |
| DEFC14A | Filing | Nov 6, 2024 | — |
| DEFA14A | Additional proxy material | Nov 4, 2024 | — |
| DEFC14A | Filing | Nov 4, 2024 | — |
| CORRESP | Letter to the SEC | Oct 30, 2024 | — |
| PRER14A | Filing | Oct 30, 2024 | — |
| PRRN14A | Filing | Oct 30, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 28, 2024 | — |
| UPLOAD | Letter from the SEC | Oct 28, 2024 | — |
| PREC14A | Filing | Oct 18, 2024 | — |
| PREC14A | Filing | Oct 15, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Oct 1, 2024 | Sep 30, 2024 |
| 424B5 | Prospectus supplement | Oct 1, 2024 | — |
| 424B5 | Prospectus supplement | Sep 30, 2024 | — |
| 8-K |
Current report
Unregistered share sale, Officer or director change
|
Sep 12, 2024 | Sep 11, 2024 |
| 10-Q | Quarterly report | Aug 14, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Aug 1, 2024 | Jul 31, 2024 |
| EFFECT | Filing | Jul 25, 2024 | — |
| 424B5 | Prospectus supplement | Jul 25, 2024 | — |
| CORRESP | Letter to the SEC | Jul 22, 2024 | — |
| CORRESP | Letter to the SEC | Jul 19, 2024 | — |
| UPLOAD | Letter from the SEC | Jul 16, 2024 | — |
| 8-K |
Current report
Other events
|
Jul 15, 2024 | Jul 12, 2024 |
| CORRESP | Letter to the SEC | Jul 11, 2024 | — |
| S-1 | Registration statement | Jul 11, 2024 | — |
| S-8 | Employee stock plan registration | Jul 1, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Jun 3, 2024 | May 31, 2024 |
| 424B5 | Prospectus supplement | Jun 3, 2024 | — |
| 424B5 | Prospectus supplement | May 31, 2024 | — |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| EFFECT | Filing | May 1, 2024 | — |
| 424B5 | Prospectus supplement | May 1, 2024 | — |
| CORRESP | Letter to the SEC | Apr 25, 2024 | — |
| UPLOAD | Letter from the SEC | Apr 25, 2024 | — |
| CORRESP | Letter to the SEC | Apr 19, 2024 | — |
| S-1 | Registration statement | Apr 19, 2024 | — |
| 10-K | Annual report | Apr 1, 2024 | Dec 31, 2023 |
| D/A | Filing | Feb 21, 2024 | — |
| D | Filing | Feb 20, 2024 | — |
| 8-K |
Current report
Material agreement, New debt
|
Feb 20, 2024 | Feb 16, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 9, 2024 | Feb 8, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 25, 2024 | Jan 25, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jan 10, 2024 | Jan 5, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 10, 2024 | Jan 10, 2024 |
| DFAN14A | Filing | Jan 3, 2024 | — |
| DEFA14A | Additional proxy material | Dec 29, 2023 | — |
| DEFA14A | Additional proxy material | Nov 28, 2023 | — |
| DEFA14A | Additional proxy material | Nov 20, 2023 | — |
| DFAN14A | Filing | Nov 20, 2023 | — |
| DEFA14A | Additional proxy material | Nov 20, 2023 | — |
| DFAN14A | Filing | Nov 16, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 15, 2023 | Nov 15, 2023 |
| 10-Q | Quarterly report | Nov 14, 2023 | Sep 30, 2023 |
| DEFA14A | Additional proxy material | Nov 8, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2023 | Nov 8, 2023 |
| DEFA14A | Additional proxy material | Nov 7, 2023 | — |
| DEFC14A | Filing | Nov 6, 2023 | — |
| DEFC14A | Filing | Nov 1, 2023 | — |
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Company profile
- Industry
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- AIM (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Ocala, FL
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 946644
- Former names
- AIM ImmunoTech Inc. (until Nov 5, 2026); HEMISPHERX BIOPHARMA INC (until Aug 26, 2019)
Other Biological Products, (No Diagnostic Substances) companies
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- Biogen Inc. BIIB
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.