MAIA Biotechnology, Inc. SEC filings MAIA
MAIA Biotechnology, Inc. has 503 filings in SEC EDGAR's recent list, going back to Oct 15, 2021. Its latest annual report, Form ARS, was filed on Apr 7, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 10, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 6, 2026 (regulation fd disclosure). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 424B3 | Prospectus | Oct 7, 2026 | — |
| EFFECT | Filing | Oct 6, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 6, 2026 | Oct 6, 2026 |
| 424B3 | Prospectus | Oct 2, 2026 | — |
| S-3 | Shelf registration | Sep 25, 2026 | — |
| EFFECT | Filing | Aug 28, 2026 | — |
| S-3 | Shelf registration | Aug 21, 2026 | — |
| 10-Q | Quarterly report | Aug 10, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Shareholder vote results
|
May 22, 2026 | May 21, 2026 |
| DEFA14A | Additional proxy material | May 19, 2026 | — |
| 8-K |
Current report
Agreement ended
|
May 14, 2026 | May 14, 2026 |
| 424B5 | Prospectus supplement | May 14, 2026 | — |
| 10-Q | Quarterly report | May 11, 2026 | Mar 31, 2026 |
| DEFA14A | Additional proxy material | Apr 27, 2026 | — |
| 8-K |
Current report
Other events
|
Apr 16, 2026 | Apr 16, 2026 |
| 8-K |
Current report
Other events
|
Apr 8, 2026 | Apr 8, 2026 |
| S-8 | Employee stock plan registration | Apr 7, 2026 | — |
| ARS | Annual report to shareholders | Apr 7, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 7, 2026 | — |
| DEF 14A | Proxy statement | Apr 7, 2026 | May 21, 2026 |
| 8-K |
Current report
Officer or director change
|
Apr 2, 2026 | Mar 27, 2026 |
| 8-K |
Current report
Other events
|
Mar 31, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 27, 2026 | Mar 27, 2026 |
| 10-K | Annual report | Mar 23, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Material agreement, Other events
|
Mar 4, 2026 | Mar 2, 2026 |
| 424B5 | Prospectus supplement | Mar 4, 2026 | — |
| 424B5 | Prospectus supplement | Mar 2, 2026 | — |
| 8-K |
Current report
Other events
|
Feb 24, 2026 | Feb 24, 2026 |
| 8-K |
Current report
Other events
|
Jan 20, 2026 | Jan 20, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 13, 2026 | Jan 13, 2026 |
| D | Filing | Jan 5, 2026 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 17, 2025 | Dec 16, 2025 |
| 8-K |
Current report
Other events
|
Dec 11, 2025 | Dec 11, 2025 |
| 8-K |
Current report
Other events
|
Dec 10, 2025 | Dec 10, 2025 |
| 8-K |
Current report
Other events
|
Nov 21, 2025 | Nov 21, 2025 |
| 8-K |
Current report
Other events
|
Nov 20, 2025 | Nov 20, 2025 |
| 10-Q | Quarterly report | Nov 7, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Other events
|
Nov 7, 2025 | Nov 7, 2025 |
| 8-K |
Current report
Other events
|
Oct 27, 2025 | Oct 27, 2025 |
| 8-K |
Current report
Other events
|
Oct 24, 2025 | Oct 24, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 23, 2025 | Oct 19, 2025 |
| D | Filing | Oct 14, 2025 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Oct 14, 2025 | Oct 13, 2025 |
| 8-K |
Current report
Other events
|
Oct 7, 2025 | Oct 7, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Sep 30, 2025 | Sep 29, 2025 |
| 8-K |
Current report
Other events
|
Sep 24, 2025 | Sep 24, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Sep 18, 2025 | Sep 18, 2025 |
| 8-K |
Current report
Other events
|
Sep 12, 2025 | Sep 12, 2025 |
| 8-K |
Current report
Other events
|
Sep 11, 2025 | Sep 11, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 8, 2025 | Sep 7, 2025 |
| 8-K |
Current report
Other events
|
Aug 13, 2025 | Aug 13, 2025 |
| 10-Q | Quarterly report | Aug 11, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Other events
|
Jul 28, 2025 | Jul 28, 2025 |
| 8-K |
Current report
Other events
|
Jul 17, 2025 | Jul 17, 2025 |
| 8-K |
Current report
Other events
|
Jul 9, 2025 | Jul 9, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 26, 2025 | Jun 24, 2025 |
| 8-K |
Current report
Other events
|
Jun 24, 2025 | Jun 24, 2025 |
| 8-K |
Current report
Other events
|
Jun 18, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Jun 17, 2025 | Jun 17, 2025 |
| D | Filing | Jun 11, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 5, 2025 | Jun 5, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 2, 2025 | May 31, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
May 28, 2025 | May 27, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change
|
May 23, 2025 | May 22, 2025 |
| 8-K |
Current report
Shareholder vote results, Other events
|
May 22, 2025 | May 22, 2025 |
| 10-Q | Quarterly report | May 9, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
May 6, 2025 | May 5, 2025 |
| 8-K |
Current report
Other events
|
Apr 22, 2025 | Apr 22, 2025 |
| DEFA14A | Additional proxy material | Apr 8, 2025 | — |
| DEF 14A | Proxy statement | Apr 8, 2025 | May 22, 2025 |
| 8-K |
Current report
Other events
|
Apr 1, 2025 | Apr 1, 2025 |
| S-8 | Employee stock plan registration | Mar 28, 2025 | — |
| PRE 14A | Preliminary proxy statement | Mar 28, 2025 | Mar 28, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 28, 2025 | Mar 28, 2025 |
| 8-K |
Current report
Other events
|
Mar 26, 2025 | Mar 26, 2025 |
| 424B5 | Prospectus supplement | Mar 26, 2025 | — |
| 8-K |
Current report
Other events
|
Mar 21, 2025 | Mar 21, 2025 |
| 10-K | Annual report | Mar 21, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Other events
|
Mar 19, 2025 | Mar 19, 2025 |
| D | Filing | Mar 4, 2025 | — |
| 8-K |
Current report
Other events
|
Feb 27, 2025 | Feb 27, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Feb 25, 2025 | Feb 24, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Feb 19, 2025 | Feb 18, 2025 |
| 8-K |
Current report
Officer or director change
|
Feb 6, 2025 | Feb 1, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Feb 5, 2025 | Feb 4, 2025 |
| CORRESP | Letter to the SEC | Jan 27, 2025 | — |
| UPLOAD | Letter from the SEC | Jan 22, 2025 | — |
| 8-K |
Current report
Other events
|
Dec 23, 2024 | Dec 23, 2024 |
| 424B5 | Prospectus supplement | Dec 23, 2024 | — |
| 8-K |
Current report
Other events
|
Dec 20, 2024 | Dec 16, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Dec 10, 2024 | Dec 9, 2024 |
| 10-Q | Quarterly report | Nov 12, 2024 | Sep 30, 2024 |
| D | Filing | Nov 12, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 8, 2024 | Nov 8, 2024 |
| 8-K |
Current report
Other events
|
Nov 5, 2024 | Nov 5, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Oct 29, 2024 | Oct 28, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 10, 2024 | Sep 10, 2024 |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Other events
|
Jul 23, 2024 | Jul 23, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 6, 2024 | Jun 6, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 4, 2024 | Jun 4, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 3, 2024 | Jun 3, 2024 |
| 8-K |
Current report
Shareholder vote results
|
May 29, 2024 | May 24, 2024 |
| 8-K |
Current report
Other events
|
May 15, 2024 | May 15, 2024 |
| 424B5 | Prospectus supplement | May 15, 2024 | — |
| 10-Q | Quarterly report | May 14, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 7, 2024 | May 7, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Apr 23, 2024 | Apr 22, 2024 |
| S-8 | Employee stock plan registration | Apr 19, 2024 | — |
| DEF 14A | Proxy statement | Apr 16, 2024 | May 24, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 2, 2024 | Apr 1, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Mar 26, 2024 | Mar 25, 2024 |
| 8-K |
Current report
Other events
|
Mar 25, 2024 | Mar 25, 2024 |
| 424B5 | Prospectus supplement | Mar 25, 2024 | — |
| 10-K | Annual report | Mar 21, 2024 | Dec 31, 2023 |
| D | Filing | Mar 21, 2024 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Mar 13, 2024 | Mar 11, 2024 |
| 8-K |
Current report
Other events
|
Mar 8, 2024 | Mar 6, 2024 |
| 8-K |
Current report
Other events
|
Mar 6, 2024 | Mar 5, 2024 |
| 8-K |
Current report
Other events
|
Feb 27, 2024 | Feb 27, 2024 |
| 8-K |
Current report
Other events
|
Feb 23, 2024 | Feb 22, 2024 |
| 424B5 | Prospectus supplement | Feb 14, 2024 | — |
| 8-K |
Current report
Material agreement
|
Feb 14, 2024 | Feb 14, 2024 |
| 8-K |
Current report
Other events
|
Jan 30, 2024 | Jan 24, 2024 |
| 8-K |
Current report
Other events
|
Jan 18, 2024 | Jan 17, 2024 |
| 8-K |
Current report
Other events
|
Dec 21, 2023 | Dec 19, 2023 |
| D | Filing | Nov 29, 2023 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Other events
|
Nov 17, 2023 | Nov 15, 2023 |
| 424B5 | Prospectus supplement | Nov 17, 2023 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Nov 16, 2023 | Nov 9, 2023 |
| 8-K |
Current report
Agreement ended, Listing notice, Officer or director change, Other events
|
Nov 15, 2023 | Nov 10, 2023 |
| 424B5 | Prospectus supplement | Nov 15, 2023 | — |
| 8-K |
Current report
Other events
|
Nov 13, 2023 | Nov 10, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 7, 2023 | Nov 7, 2023 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Other events
|
Oct 30, 2023 | Oct 24, 2023 |
| 8-K |
Current report
Other events
|
Sep 28, 2023 | Sep 28, 2023 |
| 8-K |
Current report
Material agreement
|
Sep 1, 2023 | Sep 1, 2023 |
| 424B5 | Prospectus supplement | Sep 1, 2023 | — |
| EFFECT | Filing | Aug 23, 2023 | — |
| CORRESP | Letter to the SEC | Aug 21, 2023 | — |
| UPLOAD | Letter from the SEC | Aug 18, 2023 | — |
| S-3 | Shelf registration | Aug 15, 2023 | — |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 8, 2023 | Aug 8, 2023 |
| RW | Filing | Jul 18, 2023 | — |
| FWP | Free writing prospectus | Jul 11, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 11, 2023 | Jul 11, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Jul 10, 2023 | Jul 10, 2023 |
| S-8 | Employee stock plan registration | Jun 30, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jun 20, 2023 | Jun 20, 2023 |
| FWP | Free writing prospectus | Jun 9, 2023 | — |
| S-1 | Registration statement | Jun 8, 2023 | — |
| DRS | Filing | Jun 1, 2023 | — |
| 8-K |
Current report
Shareholder vote results
|
May 30, 2023 | May 25, 2023 |
| 10-Q | Quarterly report | May 8, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 8, 2023 | May 8, 2023 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Apr 27, 2023 | Apr 24, 2023 |
| 424B3 | Prospectus | Apr 27, 2023 | — |
| 424B4 | Prospectus | Apr 26, 2023 | — |
| EFFECT | Filing | Apr 24, 2023 | — |
| S-1/A | Amended registration statement | Apr 21, 2023 | — |
| CORRESP | Letter to the SEC | Apr 21, 2023 | — |
| CORRESP | Letter to the SEC | Apr 21, 2023 | — |
| CORRESP | Letter to the SEC | Apr 21, 2023 | — |
| CORRESP | Letter to the SEC | Apr 21, 2023 | — |
| FWP | Free writing prospectus | Apr 20, 2023 | — |
| S-1/A | Amended registration statement | Apr 20, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 20, 2023 | Apr 20, 2023 |
| DEF 14A | Proxy statement | Apr 19, 2023 | May 25, 2023 |
| CORRESP | Letter to the SEC | Apr 18, 2023 | — |
| CORRESP | Letter to the SEC | Apr 18, 2023 | — |
| FWP | Free writing prospectus | Apr 18, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 18, 2023 | Apr 18, 2023 |
| FWP | Free writing prospectus | Apr 11, 2023 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 11, 2023 | Apr 11, 2023 |
| FWP | Free writing prospectus | Apr 7, 2023 | — |
| S-1/A | Amended registration statement | Apr 4, 2023 | — |
| 10-K | Annual report | Mar 24, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Mar 24, 2023 | Mar 24, 2023 |
| 8-K |
Current report
Officer or director change
|
Mar 17, 2023 | Mar 13, 2023 |
| CORRESP | Letter to the SEC | Feb 13, 2023 | — |
| CORRESP | Letter to the SEC | Feb 13, 2023 | — |
| 8-K/A |
Amended current report
Regulation FD disclosure
|
Feb 13, 2023 | Feb 13, 2023 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 13, 2023 | Feb 13, 2023 |
| FWP | Free writing prospectus | Feb 13, 2023 | — |
| CORRESP | Letter to the SEC | Feb 9, 2023 | — |
| CORRESP | Letter to the SEC | Feb 9, 2023 | — |
| CORRESP | Letter to the SEC | Feb 9, 2023 | — |
| CORRESP | Letter to the SEC | Feb 9, 2023 | — |
| CORRESP | Letter to the SEC | Feb 7, 2023 | — |
| CORRESP | Letter to the SEC | Feb 7, 2023 | — |
| S-1 | Registration statement | Feb 6, 2023 | — |
| 10-Q/A | Amended quarterly report | Feb 6, 2023 | Sep 30, 2022 |
| 8-K |
Current report
Restatement
|
Feb 6, 2023 | Feb 3, 2023 |
| UPLOAD | Letter from the SEC | Dec 28, 2022 | — |
| DRS | Filing | Dec 23, 2022 | — |
| 8-K |
Current report
Auditor change
|
Nov 22, 2022 | Nov 21, 2022 |
| 10-Q | Quarterly report | Nov 9, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 9, 2022 | Nov 9, 2022 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- MAIA (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Chicago, IL
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1878313
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.