Cullinan Therapeutics, Inc. SEC filings CGEM
Cullinan Therapeutics, Inc. has 466 filings in SEC EDGAR's recent list, going back to Nov 2, 2020. Its latest annual report, Form ARS, was filed on Apr 28, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 4, 2026 | Nov 4, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 2, 2026 | Oct 1, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 24, 2026 | Sep 24, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 14, 2026 | Sep 13, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 13, 2026 | Aug 12, 2026 |
| 10-Q | Quarterly report | Aug 6, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2026 | Aug 6, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2026 | Jun 16, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 10, 2026 | Jun 10, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 8, 2026 | Jun 6, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 18, 2026 | May 18, 2026 |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| S-3ASR | Automatic shelf registration | Apr 28, 2026 | — |
| DEFA14A | Additional proxy material | Apr 28, 2026 | — |
| DEF 14A | Proxy statement | Apr 28, 2026 | Apr 27, 2026 |
| ARS | Annual report to shareholders | Apr 28, 2026 | Dec 31, 2025 |
| S-8 | Employee stock plan registration | Mar 10, 2026 | — |
| 10-K | Annual report | Mar 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2026 | Mar 10, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Jan 8, 2026 | Jan 8, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 8, 2025 | Dec 8, 2025 |
| 8-K |
Current report
Agreement ended
|
Nov 21, 2025 | Nov 18, 2025 |
| 10-Q | Quarterly report | Nov 6, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Nov 6, 2025 | Nov 6, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 4, 2025 | Sep 4, 2025 |
| 10-Q | Quarterly report | Aug 7, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Officer or director change
|
Aug 7, 2025 | Aug 7, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 12, 2025 | Jun 12, 2025 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Jun 4, 2025 | Jun 4, 2025 |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Apr 24, 2025 |
| S-8 | Employee stock plan registration | Feb 27, 2025 | — |
| 10-K | Annual report | Feb 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 27, 2025 | Feb 27, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 29, 2025 | Jan 28, 2025 |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 16, 2024 | Oct 16, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 17, 2024 | Sep 17, 2024 |
| 10-Q | Quarterly report | Aug 8, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2024 | Aug 8, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 27, 2024 | Jun 26, 2024 |
| EFFECT | Filing | Jun 4, 2024 | — |
| 424B3 | Prospectus | Jun 4, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 3, 2024 | Jun 1, 2024 |
| CORRESP | Letter to the SEC | May 31, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 23, 2024 | May 23, 2024 |
| UPLOAD | Letter from the SEC | May 20, 2024 | — |
| S-3 | Shelf registration | May 16, 2024 | — |
| ARS | Annual report to shareholders | May 16, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | May 16, 2024 | — |
| DEF 14A | Proxy statement | May 16, 2024 | Jun 26, 2024 |
| 10-Q | Quarterly report | May 15, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Officer or director change
|
May 15, 2024 | May 9, 2024 |
| 8-K |
Current report
Officer or director change
|
Apr 29, 2024 | Apr 29, 2024 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Bylaw or fiscal year change, Regulation FD disclosure, Other events
|
Apr 16, 2024 | Apr 15, 2024 |
| S-8 | Employee stock plan registration | Mar 14, 2024 | — |
| 10-K | Annual report | Mar 14, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 14, 2024 | Mar 14, 2024 |
| 8-K/A |
Amended current report
Results of operations
|
Jan 8, 2024 | Jan 8, 2024 |
| 8-K |
Current report
Acquisition or sale of assets
|
Jan 8, 2024 | Jan 8, 2024 |
| 10-Q | Quarterly report | Nov 8, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2023 | Nov 8, 2023 |
| 10-Q | Quarterly report | Aug 10, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2023 | Aug 10, 2023 |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
Jun 14, 2023 | Jun 8, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
May 25, 2023 | May 25, 2023 |
| EFFECT | Filing | May 18, 2023 | — |
| CORRESP | Letter to the SEC | May 16, 2023 | — |
| S-3/A | Filing | May 11, 2023 | — |
| 10-Q | Quarterly report | May 11, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 11, 2023 | May 11, 2023 |
| DEFA14A | Additional proxy material | Apr 21, 2023 | — |
| DEF 14A | Proxy statement | Apr 21, 2023 | Jun 8, 2023 |
| CORRESP | Letter to the SEC | Mar 17, 2023 | — |
| CORRESP | Letter to the SEC | Mar 9, 2023 | — |
| UPLOAD | Letter from the SEC | Mar 9, 2023 | — |
| S-8 | Employee stock plan registration | Mar 9, 2023 | — |
| S-8 | Employee stock plan registration | Mar 9, 2023 | — |
| S-3 | Shelf registration | Mar 9, 2023 | — |
| 10-K | Annual report | Mar 9, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Results of operations
|
Mar 9, 2023 | Mar 9, 2023 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
Feb 14, 2023 | Feb 13, 2023 |
| 8-K |
Current report
Unregistered share sale, Bylaw or fiscal year change
|
Jan 19, 2023 | Jan 17, 2023 |
| 10-Q | Quarterly report | Nov 14, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 14, 2022 | Nov 14, 2022 |
| 8-K |
Current report
Officer or director change
|
Nov 2, 2022 | Nov 1, 2022 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Oct 25, 2022 | Oct 20, 2022 |
| 10-Q | Quarterly report | Aug 10, 2022 | Jun 30, 2022 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2022 | Aug 10, 2022 |
| 8-K |
Current report
Material agreement, Acquisition or sale of assets, Regulation FD disclosure
|
Jun 27, 2022 | Jun 21, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Jun 24, 2022 | Jun 22, 2022 |
| 10-Q | Quarterly report | May 16, 2022 | Mar 31, 2022 |
| 8-K |
Current report
Results of operations
|
May 16, 2022 | May 16, 2022 |
| 8-K |
Current report
Material agreement, Results of operations, Regulation FD disclosure
|
May 12, 2022 | May 11, 2022 |
| DEFA14A | Additional proxy material | Apr 29, 2022 | — |
| DEF 14A | Proxy statement | Apr 29, 2022 | Jun 22, 2022 |
| 10-K | Annual report | Mar 17, 2022 | Dec 31, 2021 |
| 8-K |
Current report
Results of operations
|
Mar 17, 2022 | Mar 17, 2022 |
| S-8 | Employee stock plan registration | Mar 10, 2022 | — |
| 8-K |
Current report
Officer or director change
|
Mar 3, 2022 | Feb 28, 2022 |
| 8-K |
Current report
Officer or director change
|
Dec 29, 2021 | Dec 27, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Dec 16, 2021 | Dec 16, 2021 |
| 10-Q | Quarterly report | Nov 9, 2021 | Sep 30, 2021 |
| 8-K |
Current report
Results of operations
|
Nov 9, 2021 | Nov 9, 2021 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Oct 18, 2021 | Oct 15, 2021 |
| 8-K |
Current report
Results of operations
|
Aug 10, 2021 | Aug 10, 2021 |
| 10-Q | Quarterly report | Aug 10, 2021 | Jun 30, 2021 |
| 8-K |
Current report
Shareholder vote results
|
Jul 1, 2021 | Jun 25, 2021 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 4, 2021 | Jun 4, 2021 |
| 8-K |
Current report
Officer or director change
|
May 21, 2021 | May 17, 2021 |
| 10-Q | Quarterly report | May 14, 2021 | Mar 31, 2021 |
| 8-K |
Current report
Results of operations
|
May 14, 2021 | May 14, 2021 |
| DEFA14A | Additional proxy material | Apr 29, 2021 | — |
| DEF 14A | Proxy statement | Apr 29, 2021 | Jun 25, 2021 |
| 10-K | Annual report | Mar 30, 2021 | Dec 31, 2020 |
| 8-K |
Current report
Results of operations
|
Mar 30, 2021 | Mar 30, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Feb 26, 2021 | Feb 23, 2021 |
| 8-K |
Current report
Regulation FD disclosure
|
Feb 22, 2021 | Feb 22, 2021 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Jan 13, 2021 | Jan 7, 2021 |
| 424B4 | Prospectus | Jan 11, 2021 | — |
| SEC STAFF LETTER | Filing | Jan 7, 2021 | — |
| EFFECT | Filing | Jan 7, 2021 | — |
| S-1MEF | Filing | Jan 7, 2021 | — |
| S-8 | Employee stock plan registration | Jan 7, 2021 | — |
| CERT | Filing | Jan 7, 2021 | — |
| CORRESP | Letter to the SEC | Jan 6, 2021 | — |
| S-1/A | Amended registration statement | Jan 6, 2021 | — |
| 8-A12B | Filing | Jan 6, 2021 | — |
| UPLOAD | Letter from the SEC | Jan 5, 2021 | — |
| CORRESP | Letter to the SEC | Jan 4, 2021 | — |
| CORRESP | Letter to the SEC | Jan 4, 2021 | — |
| S-1/A | Amended registration statement | Jan 4, 2021 | — |
| S-1/A | Amended registration statement | Dec 28, 2020 | — |
| CORRESP | Letter to the SEC | Dec 18, 2020 | — |
| CORRESP | Letter to the SEC | Dec 18, 2020 | — |
| S-1 | Registration statement | Dec 18, 2020 | — |
| UPLOAD | Letter from the SEC | Dec 18, 2020 | — |
| DRSLTR | Filing | Dec 9, 2020 | — |
| DRS/A | Filing | Dec 9, 2020 | — |
| SEC STAFF LETTER | Filing | Dec 3, 2020 | — |
| UPLOAD | Letter from the SEC | Dec 1, 2020 | — |
| DRS | Filing | Nov 2, 2020 | — |
Showing 148 filings. 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
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- CGEM (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Cambridge, MA
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1789972
- Former names
- Cullinan Oncology, Inc. (until Apr 2, 2024); Cullinan Management, Inc. (until Feb 22, 2021); Cullinan Oncology, LLC (until Jan 6, 2021)
Other Biological Products, (No Diagnostic Substances) companies
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.