CRBU - CIK 0001619856
Caribou Biosciences, Inc. has filed 317 documents with the SEC between 2014 and 2026. The most frequent type is insider trade (100 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| Filing | Type | Filed | Period covered |
|---|---|---|---|
| Quarterly report | 10-Q | 2026-05-07 | 2026-03-31 |
| Major company event | 8-K | 2026-05-07 | 2026-05-07 |
| DEFR14A | - | 2026-05-01 | - |
| Annual report to shareholders | ARS | 2026-04-24 | 2025-12-31 |
| Proxy materials | DEFA14A | 2026-04-24 | - |
| Proxy statement | DEF 14A | 2026-04-24 | 2025-12-31 |
| PRE 14A | - | 2026-04-10 | 2025-12-31 |
| Major company event | 8-K | 2026-03-31 | 2026-03-31 |
| Annual report | 10-K | 2026-03-05 | 2025-12-31 |
| Major company event | 8-K | 2026-03-05 | 2026-03-05 |
| Employee stock plan | S-8 | 2026-03-05 | - |
| Insider trade | 4 | 2026-02-27 | 2026-02-25 |
| Insider sale notice | 144 | 2026-02-25 | - |
| Insider sale notice | 144 | 2026-02-25 | - |
| Insider sale notice | 144 | 2026-02-25 | - |
| Insider trade | 4 | 2026-02-24 | 2026-02-20 |
| Insider trade | 4 | 2026-02-24 | 2026-02-20 |
| Insider trade | 4 | 2026-02-24 | 2026-02-20 |
| Insider trade | 4 | 2026-02-24 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Insider trade | 4 | 2026-02-20 | 2026-02-20 |
| Quarterly report | 10-Q | 2025-11-12 | 2025-09-30 |
| Major company event | 8-K | 2025-11-12 | 2025-11-12 |
| Major company event | 8-K | 2025-11-03 | 2025-11-03 |
| Quarterly report | 10-Q | 2025-08-12 | 2025-06-30 |
| Major company event | 8-K | 2025-08-12 | 2025-08-12 |
| SCHEDULE 13G/A | - | 2025-07-16 | - |
| Major company event | 8-K | 2025-06-23 | 2025-06-18 |
| Major company event | 8-K | 2025-06-13 | 2025-06-12 |
| EFFECT | - | 2025-05-14 | - |
| Company correspondence | CORRESP | 2025-05-13 | - |
| SEC correspondence | UPLOAD | 2025-05-12 | - |
| Proxy materials | DEFA14A | 2025-05-08 | - |
| Quarterly report | 10-Q | 2025-05-08 | 2025-03-31 |
| Major company event | 8-K | 2025-05-08 | 2025-05-08 |
| Securities registration | S-3 | 2025-05-08 | - |
| SCHEDULE 13G/A | - | 2025-04-30 | - |
| Annual report to shareholders | ARS | 2025-04-25 | 2024-12-31 |
| Proxy materials | DEFA14A | 2025-04-25 | - |
| Proxy statement | DEF 14A | 2025-04-25 | 2024-12-31 |
| SCHEDULE 13D | - | 2025-04-25 | - |
| Major company event | 8-K | 2025-04-24 | 2025-04-24 |
| SCHEDULE 13G/A | - | 2025-04-17 | - |