
Boundless Bio, Inc.
BOLDHealthcare|Biotechnology|US
$2.46
+0.05 (+2.07%)
Tangible Book / Share
$2.94
Cash / Share
$3.24
Next Earnings Report
Apr 1, 2027
EPS est. -$0.32
Financing Filings (last 12 months)
1
Shelf registrations / offering prospectuses — latest Nov 3, 2026 (424B3). Possible dilution.
Upcoming Data Readouts (0)
No upcoming completion dates found in active trials.
Recent Press Releases
Serapha Bio Appoints Kenneth T. Mills as Chief Executive Officer and Names Senior Leadership Team to Advance Potential Best-in-Class in vivo Base Editing Program for Alpha-1 Antitrypsin Deficiency
Sep 15, 2026 · GlobeNewsWire
Callio Therapeutics Appoints Zachary Hornby as Chief Executive Officer
Sep 9, 2026 · GlobeNewsWire
SEC Filings (45)
Last two years from EDGAR. Insider Form 4s are on the Ownership tab.
| Filed | Form | What it is | Links |
|---|---|---|---|
| Nov 3, 2026 | EFFECT | DocumentIndex | |
| Nov 3, 2026 | 424B3 | Offering prospectus | DocumentIndex |
| Nov 2, 2026 | S-4/A | DocumentIndex | |
| Oct 26, 2026 | 425 | DocumentIndex | |
| Oct 26, 2026 | 425 | DocumentIndex | |
| Oct 8, 2026 | S-4 | DocumentIndex | |
| Aug 28, 2026 | 425 | DocumentIndex | |
| Aug 28, 2026 | 8-K | Material event | DocumentIndex |
| Aug 27, 2026 | SC 13G | Passive 5%+ stake | DocumentIndex |
| Aug 14, 2026 | SC 13G | Passive 5%+ stake | DocumentIndex |
| Aug 14, 2026 | SC 13G/A | Passive 5%+ stake | DocumentIndex |
| Aug 7, 2026 | 10-Q | Quarterly report | DocumentIndex |
| Jun 29, 2026 | SC 13G | Passive 5%+ stake | DocumentIndex |
| Jun 23, 2026 | 425 | DocumentIndex | |
| Jun 23, 2026 | 8-K | Material event | DocumentIndex |
| Jun 17, 2026 | 8-K | Material event | DocumentIndex |
| May 8, 2026 | 10-Q | Quarterly report | DocumentIndex |
| May 8, 2026 | 8-K | Material event | DocumentIndex |
| Apr 28, 2026 | ARS | Annual report to holders | DocumentIndex |
| Apr 28, 2026 | DEFA14A | Proxy / shareholder vote | DocumentIndex |
| Apr 28, 2026 | DEF 14A | Proxy / shareholder vote | DocumentIndex |
| Apr 13, 2026 | 8-K | Material event | DocumentIndex |
| Mar 9, 2026 | 10-K | Annual report | DocumentIndex |
| Mar 9, 2026 | 8-K | Material event | DocumentIndex |
| Feb 17, 2026 | SC 13G/A | Passive 5%+ stake | DocumentIndex |
| Feb 5, 2026 | SC 13G/A | Passive 5%+ stake | DocumentIndex |
| Dec 4, 2025 | SC 13G | Passive 5%+ stake | DocumentIndex |
| Nov 5, 2025 | 10-Q | Quarterly report | DocumentIndex |
| Nov 5, 2025 | 8-K | Material event | DocumentIndex |
| Aug 14, 2025 | SC 13G/A | Passive 5%+ stake | DocumentIndex |
| Aug 5, 2025 | 10-Q | Quarterly report | DocumentIndex |
| Aug 5, 2025 | 8-K | Material event | DocumentIndex |
| Jun 23, 2025 | 8-K | Material event | DocumentIndex |
| May 23, 2025 | 8-K | Material event | DocumentIndex |
| May 9, 2025 | 10-Q | Quarterly report | DocumentIndex |
| May 9, 2025 | 8-K | Material event | DocumentIndex |
| Apr 29, 2025 | ARS | Annual report to holders | DocumentIndex |
| Apr 29, 2025 | DEFA14A | Proxy / shareholder vote | DocumentIndex |
| Apr 29, 2025 | DEF 14A | Proxy / shareholder vote | DocumentIndex |
| Apr 10, 2025 | EFFECT | DocumentIndex |