# Boundless Bio, Inc.: filings

BOLD · Nasdaq · CIK 1782303 · [Healthcare](/sectors/healthcare.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/bold.md) · [Financials](/companies/bold/financials.md) · [Filings](/companies/bold/filings.md) · [Insiders](/companies/bold/insiders.md)

## Reports and events: 35 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 56, 8-K 20, 3 19, 10-Q 8, CORRESP 6, UPLOAD 5, 425 4, SC 13G 4, SCHEDULE 13G 4, SCHEDULE 13G/A 4, D 3, 10-K 2, ARS 2, DEF 14A 2, DEFA14A 2, DRS 2, DRS/A 2, EFFECT 2, 424B4 1, 8-A12B 1, CERT 1, DRSLTR 1, S-1 1, S-1/A 1, S-3 1, S-4 1, S-8 1, SC 13D 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-08-28 | 17:25 ET | [8-K](/filings/0001193125-26-374787.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001193125-26-374787 |
| 2026-08-07 | 07:00 ET | [10-Q](/filings/0001193125-26-339093.md) | Quarterly report, period 2026-06-30 | 0001193125-26-339093 |
| 2026-06-23 | 08:30 ET | [8-K](/filings/0001193125-26-278570.md) | 1.01 Entry into a material agreement; 2.05 Exit or disposal costs; 3.02 Unregistered sale of equity; 5.01 Change in control; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-26-278570 |
| 2026-06-17 | 10:49 ET | [8-K](/filings/0001193125-26-273544.md) | 5.07 Shareholder vote results | 0001193125-26-273544 |
| 2026-05-08 | 07:10 ET | [10-Q](/filings/0001193125-26-213321.md) | Quarterly report, period 2026-03-31 | 0001193125-26-213321 |
| 2026-05-08 | 07:05 ET | [8-K](/filings/0001193125-26-213269.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-213269 |
| 2026-04-28 | 16:00 ET | [DEF 14A](/filings/0001193125-26-186884.md) | Proxy statement, period 2026-06-15 | 0001193125-26-186884 |
| 2026-04-13 | 17:15 ET | [8-K](/filings/0001193125-26-153076.md) | 1.02 Termination of a material agreement; 2.03 New direct financial obligation | 0001193125-26-153076 |
| 2026-03-09 | 07:10 ET | [10-K](/filings/0001193125-26-097543.md) | Annual report, period 2025-12-31 | 0001193125-26-097543 |
| 2026-03-09 | 07:05 ET | [8-K](/filings/0001193125-26-097535.md) | 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0001193125-26-097535 |
| 2025-11-05 | 07:10 ET | [10-Q](/filings/0001193125-25-265714.md) | Quarterly report, period 2025-09-30 | 0001193125-25-265714 |
| 2025-11-05 | 07:05 ET | [8-K](/filings/0001193125-25-265707.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-265707 |
| 2025-08-05 | 07:10 ET | [10-Q](/filings/0000950170-25-102391.md) | Quarterly report, period 2025-06-30 | 0000950170-25-102391 |
| 2025-08-05 | 07:05 ET | [8-K](/filings/0000950170-25-102386.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-102386 |
| 2025-06-23 | 16:21 ET | [8-K](/filings/0000950170-25-089002.md) | 5.07 Shareholder vote results | 0000950170-25-089002 |
| 2025-05-23 | 16:06 ET | [8-K](/filings/0000950170-25-076911.md) | 2.05 Exit or disposal costs; 8.01 Other events | 0000950170-25-076911 |
| 2025-05-09 | 07:10 ET | [10-Q](/filings/0000950170-25-067496.md) | Quarterly report, period 2025-03-31 | 0000950170-25-067496 |
| 2025-05-09 | 07:05 ET | [8-K](/filings/0000950170-25-067495.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-067495 |
| 2025-04-29 | 16:00 ET | [DEF 14A](/filings/0000950170-25-060073.md) | Proxy statement, period 2025-06-23 | 0000950170-25-060073 |
| 2025-04-01 | 16:38 ET | [8-K](/filings/0001193125-25-070496.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001193125-25-070496 |
| 2025-03-27 | 07:10 ET | [10-K](/filings/0000950170-25-045725.md) | Annual report, period 2024-12-31 | 0000950170-25-045725 |
| 2025-03-27 | 07:05 ET | [8-K](/filings/0000950170-25-045722.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-045722 |
| 2024-12-12 | 16:05 ET | [8-K](/filings/0000950170-24-135768.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950170-24-135768 |
| 2024-11-07 | 16:06 ET | [10-Q](/filings/0000950170-24-123291.md) | Quarterly report, period 2024-09-30 | 0000950170-24-123291 |
| 2024-11-07 | 16:05 ET | [8-K](/filings/0000950170-24-123274.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-123274 |
| 2024-10-29 | 18:32 ET | [SC 13D](/filings/0001072613-24-000789.md) | Ownership report, active investor | 0001072613-24-000789 |
| 2024-10-15 | 08:00 ET | [8-K](/filings/0000950170-24-114466.md) | 5.02 Departure or appointment of officers or directors | 0000950170-24-114466 |
| 2024-08-20 | 17:00 ET | [8-K](/filings/0000950170-24-099185.md) | 5.02 Departure or appointment of officers or directors | 0000950170-24-099185 |
| 2024-08-12 | 16:25 ET | [8-K](/filings/0000950170-24-095481.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-095481 |
| 2024-08-12 | 16:10 ET | [10-Q](/filings/0000950170-24-095421.md) | Quarterly report, period 2024-06-30 | 0000950170-24-095421 |
| 2024-05-13 | 07:06 ET | [10-Q](/filings/0000950170-24-058188.md) | Quarterly report, period 2024-03-31 | 0000950170-24-058188 |
| 2024-05-13 | 07:05 ET | [8-K](/filings/0000950170-24-058186.md) | 2.02 Results of operations; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-058186 |
| 2024-04-02 | 16:01 ET | [8-K](/filings/0001193125-24-084736.md) | 5.03 Amendment to articles or bylaws; 8.01 Other events; 9.01 Financial statements and exhibits | 0001193125-24-084736 |
| 2024-03-21 | 06:04 ET | [S-1/A](/filings/0001193125-24-073230.md) | Registration statement, amended | 0001193125-24-073230 |
| 2024-03-06 | 16:06 ET | [S-1](/filings/0001193125-24-060708.md) | Registration statement | 0001193125-24-060708 |

Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 29, 2026, 18:21 ET. No prices; not investment advice.
