Caribou Biosciences, Inc. SEC filings CRBU
Caribou Biosciences, Inc. has 324 filings in SEC EDGAR's recent list, going back to Sep 23, 2014. Its latest annual report, Form ARS, was filed on Apr 24, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 6, 2026 (exit or restructuring costs, officer or director change, regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Exit or restructuring costs, Officer or director change, Regulation FD disclosure, Other events
|
Oct 6, 2026 | Oct 2, 2026 |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2026 | Aug 13, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 27, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
Jun 18, 2026 | Jun 17, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 11, 2026 | Jun 11, 2026 |
| DEFA14A | Additional proxy material | Jun 5, 2026 | — |
| 10-Q | Quarterly report | May 7, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 7, 2026 | May 7, 2026 |
| DEFR14A | Filing | May 1, 2026 | — |
| ARS | Annual report to shareholders | Apr 24, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 24, 2026 | — |
| DEF 14A | Proxy statement | Apr 24, 2026 | Dec 31, 2025 |
| PRE 14A | Preliminary proxy statement | Apr 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 31, 2026 | Mar 31, 2026 |
| S-8 | Employee stock plan registration | Mar 5, 2026 | — |
| 10-K | Annual report | Mar 5, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 5, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Feb 27, 2026 | Feb 25, 2026 |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 24, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 4 | Insider transaction | Feb 20, 2026 | Feb 20, 2026 |
| 10-Q | Quarterly report | Nov 12, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 12, 2025 | Nov 12, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 3, 2025 | Nov 3, 2025 |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 16, 2025 | — |
| 8-K |
Current report
Other events
|
Jun 23, 2025 | Jun 18, 2025 |
| 8-K |
Current report
Shareholder vote results
|
Jun 13, 2025 | Jun 12, 2025 |
| EFFECT | Filing | May 14, 2025 | — |
| CORRESP | Letter to the SEC | May 13, 2025 | — |
| UPLOAD | Letter from the SEC | May 12, 2025 | — |
| DEFA14A | Additional proxy material | May 8, 2025 | — |
| S-3 | Shelf registration | May 8, 2025 | — |
| 10-Q | Quarterly report | May 8, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 8, 2025 | May 8, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 30, 2025 | — |
| SCHEDULE 13D | Ownership over 5% (active) | Apr 25, 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 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs, Other events
|
Apr 24, 2025 | Apr 24, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| PRE 14A | Preliminary proxy statement | Apr 11, 2025 | Dec 31, 2024 |
| 4 | Insider transaction | Mar 17, 2025 | Mar 14, 2025 |
| S-8 | Employee stock plan registration | Mar 10, 2025 | — |
| 10-K | Annual report | Mar 10, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2025 | Mar 10, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 20, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 14, 2025 | — |
| 4 | Insider transaction | Jan 30, 2025 | Jan 29, 2025 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 13, 2025 | Jan 12, 2025 |
| 4 | Insider transaction | Jan 10, 2025 | Jan 10, 2025 |
| 3 | Initial insider ownership | Jan 10, 2025 | Jan 2, 2025 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure
|
Jan 2, 2025 | Jan 2, 2025 |
| SC 13D/A | Amended ownership over 5% (active) | Dec 6, 2024 | — |
| 4 | Insider transaction | Nov 22, 2024 | Nov 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 12, 2024 | — |
| 10-Q | Quarterly report | Nov 6, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 6, 2024 | Nov 6, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 4, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 17, 2024 | — |
| 3 | Initial insider ownership | Oct 4, 2024 | Sep 27, 2024 |
| 8-K/A |
Amended current report
Officer or director change
|
Sep 27, 2024 | Sep 1, 2024 |
| 8-K |
Current report
Officer or director change
|
Sep 3, 2024 | Sep 1, 2024 |
| 4 | Insider transaction | Aug 20, 2024 | Aug 19, 2024 |
| 3 | Initial insider ownership | Aug 20, 2024 | Aug 12, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Aug 12, 2024 | Aug 12, 2024 |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2024 | Aug 6, 2024 |
| 8-K |
Current report
Results of operations, Exit or restructuring costs
|
Jul 16, 2024 | Jul 16, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 3, 2024 | Jun 2, 2024 |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 7, 2024 | May 7, 2024 |
| ARS | Annual report to shareholders | Apr 25, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 25, 2024 | — |
| DEF 14A | Proxy statement | Apr 25, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 4, 2024 | Apr 4, 2024 |
| S-8 | Employee stock plan registration | Mar 11, 2024 | — |
| 10-K | Annual report | Mar 11, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 11, 2024 | Mar 11, 2024 |
| SC 13G | Ownership over 5% (passive) | Feb 23, 2024 | — |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| 4 | Insider transaction | Feb 22, 2024 | Feb 20, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| 4 | Insider transaction | Feb 8, 2024 | Feb 6, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 25, 2024 | — |
| 3/A | Form 3/a | Jan 10, 2024 | Jan 1, 2024 |
| 4 | Insider transaction | Jan 9, 2024 | Jan 8, 2024 |
| 3 | Initial insider ownership | Jan 9, 2024 | Jan 1, 2024 |
| SC 13G | Ownership over 5% (passive) | Jan 8, 2024 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 8, 2024 | Jan 7, 2024 |
| 8-K |
Current report
Officer or director change
|
Dec 22, 2023 | Dec 22, 2023 |
| 8-K |
Current report
Officer or director change, Regulation FD disclosure, Other events
|
Dec 12, 2023 | Dec 11, 2023 |
| 10-Q/A | Amended quarterly report | Nov 17, 2023 | Jun 30, 2023 |
| 10-Q/A | Amended quarterly report | Nov 17, 2023 | Mar 31, 2023 |
| 10-Q | Quarterly report | Nov 7, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2023 | Nov 7, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Oct 18, 2023 | Oct 18, 2023 |
| 8-K |
Current report
Agreement ended
|
Sep 26, 2023 | Sep 26, 2023 |
| 10-Q | Quarterly report | Aug 8, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2023 | Aug 8, 2023 |
| SC 13G | Ownership over 5% (passive) | Jul 20, 2023 | — |
| 8-K |
Current report
Material agreement
|
Jul 17, 2023 | Jul 13, 2023 |
| 424B5 | Prospectus supplement | Jul 14, 2023 | — |
| 8-K/A |
Amended current report
Other events
|
Jul 14, 2023 | Jul 13, 2023 |
| 424B5 | Prospectus supplement | Jul 13, 2023 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jul 13, 2023 | Jul 13, 2023 |
| 8-K |
Current report
Other events
|
Jul 13, 2023 | Jul 13, 2023 |
| SC 13G | Ownership over 5% (passive) | Jul 10, 2023 | — |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure, Other events
|
Jul 6, 2023 | Jun 29, 2023 |
| 8-K |
Current report
Shareholder vote results
|
Jun 16, 2023 | Jun 15, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 8, 2023 |
| 10-Q | Quarterly report | May 9, 2023 | Mar 31, 2023 |
| 8-K |
Current report
Results of operations
|
May 9, 2023 | May 9, 2023 |
| ARS | Annual report to shareholders | Apr 28, 2023 | Dec 31, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | Dec 31, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Apr 4, 2023 | Apr 4, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 29, 2023 | Mar 29, 2023 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Mar 29, 2023 | Mar 29, 2023 |
| 8-K |
Current report
Other events
|
Mar 24, 2023 | Mar 24, 2023 |
| 4 | Insider transaction | Mar 22, 2023 | Mar 20, 2023 |
| S-8 | Employee stock plan 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 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| 4 | Insider transaction | Feb 23, 2023 | Feb 21, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| 4 | Insider transaction | Jan 20, 2023 | Jan 19, 2023 |
| 8-K |
Current report
Officer or director change
|
Dec 16, 2022 | Dec 15, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Dec 12, 2022 | Dec 12, 2022 |
| 4 | Insider transaction | Dec 2, 2022 | Dec 2, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 29, 2022 | Nov 29, 2022 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Nov 21, 2022 | Nov 21, 2022 |
| 10-Q | Quarterly report | Nov 8, 2022 | Sep 30, 2022 |
| 8-K |
Current report
Results of operations
|
Nov 8, 2022 | Nov 8, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 3, 2022 | Nov 3, 2022 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 18, 2022 | Oct 18, 2022 |
| 4 | Insider transaction | Oct 7, 2022 | Oct 6, 2022 |
| 8-K/A |
Amended current report
Shareholder vote results
|
Sep 23, 2022 | Sep 20, 2022 |
| 8-K |
Current report
Shareholder vote results
|
Sep 22, 2022 | Sep 21, 2022 |
| 4 | Insider transaction | Sep 16, 2022 | Sep 15, 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
- Biological Products, (No Diagnostic Substances) (SIC 2836)
- Listed as
- CRBU (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Berkeley, CA
- SEC filer status
- , Emerging growth company
- SEC CIK
- 1619856
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All 182 Biological Products, (No Diagnostic Substances) companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.