BOLD - CIK 0001782303
Boundless Bio, Inc. has filed 127 documents with the SEC between 2020 and 2026. The most frequent type is insider trade (41 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 | 2026-05-08 | 2026-03-31 |
| Major company event | 8-K | 2026-05-08 | 2026-05-08 |
| Annual report to shareholders | ARS | 2026-04-28 | 2025-12-31 |
| Proxy materials | DEFA14A | 2026-04-28 | - |
| Proxy statement | DEF 14A | 2026-04-28 | 2026-06-15 |
| Major company event | 8-K | 2026-04-13 | 2026-04-13 |
| Annual report | 10-K | 2026-03-09 | 2025-12-31 |
| Major company event | 8-K | 2026-03-09 | 2026-03-03 |
| SCHEDULE 13G/A | - | 2026-02-17 | - |
| SCHEDULE 13G/A | - | 2026-02-05 | - |
| Insider trade | 4 | 2026-01-26 | 2026-01-23 |
| Insider trade | 4 | 2026-01-26 | 2026-01-23 |
| Insider trade | 4 | 2026-01-26 | 2026-01-23 |
| Insider trade | 4 | 2026-01-26 | 2026-01-23 |
| Insider trade | 4 | 2026-01-26 | 2026-01-23 |
| SCHEDULE 13G | - | 2025-12-04 | - |
| Quarterly report | 10-Q | 2025-11-05 | 2025-09-30 |
| Major company event | 8-K | 2025-11-05 | 2025-11-05 |
| SCHEDULE 13G/A | - | 2025-08-14 | - |
| Quarterly report | 10-Q | 2025-08-05 | 2025-06-30 |
| Major company event | 8-K | 2025-08-05 | 2025-08-05 |
| Insider trade | 4 | 2025-06-23 | 2025-06-23 |
| Insider trade | 4 | 2025-06-23 | 2025-06-23 |
| Insider trade | 4 | 2025-06-23 | 2025-06-23 |
| Insider trade | 4 | 2025-06-23 | 2025-06-23 |
| Insider trade | 4 | 2025-06-23 | 2025-06-23 |
| Insider trade | 4 | 2025-06-23 | 2025-06-23 |
| Major company event | 8-K | 2025-06-23 | 2025-06-23 |
| Major company event | 8-K | 2025-05-23 | 2025-05-23 |
| Quarterly report | 10-Q | 2025-05-09 | 2025-03-31 |
| Major company event | 8-K | 2025-05-09 | 2025-05-09 |
| Annual report to shareholders | ARS | 2025-04-29 | 2024-12-31 |
| Proxy materials | DEFA14A | 2025-04-29 | - |
| Proxy statement | DEF 14A | 2025-04-29 | 2025-06-23 |
| EFFECT | - | 2025-04-10 | - |
| Company correspondence | CORRESP | 2025-04-08 | - |
| SEC correspondence | UPLOAD | 2025-04-08 | - |
| Major company event | 8-K | 2025-04-01 | 2025-04-01 |
| Securities registration | S-3 | 2025-04-01 | - |
| Annual report | 10-K | 2025-03-27 | 2024-12-31 |
| Major company event | 8-K | 2025-03-27 | 2025-03-27 |
| Insider trade | 4 | 2025-02-03 | 2025-02-03 |
| New insider ownership | 3 | 2025-02-03 | 2025-02-03 |
| Insider trade | 4 | 2025-01-23 | 2025-01-22 |
| Insider trade | 4 | 2025-01-23 | 2025-01-22 |
| Insider trade | 4 | 2025-01-23 | 2025-01-22 |
| Insider trade | 4 | 2025-01-23 | 2025-01-22 |
| SEC correspondence | UPLOAD | 2025-01-23 | - |
| Major company event | 8-K | 2024-12-12 | 2024-12-06 |
| Quarterly report | 10-Q | 2024-11-07 | 2024-09-30 |