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Boundless Bio, Inc.

BOLD
Healthcare|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.

SEC Filings (45)

Last two years from EDGAR. Insider Form 4s are on the Ownership tab.

FiledFormWhat it isLinks
Nov 3, 2026EFFECTDocumentIndex
Nov 3, 2026424B3Offering prospectusDocumentIndex
Nov 2, 2026S-4/ADocumentIndex
Oct 26, 2026425DocumentIndex
Oct 26, 2026425DocumentIndex
Oct 8, 2026S-4DocumentIndex
Aug 28, 2026425DocumentIndex
Aug 28, 20268-KMaterial eventDocumentIndex
Aug 27, 2026SC 13GPassive 5%+ stakeDocumentIndex
Aug 14, 2026SC 13GPassive 5%+ stakeDocumentIndex
Aug 14, 2026SC 13G/APassive 5%+ stakeDocumentIndex
Aug 7, 202610-QQuarterly reportDocumentIndex
Jun 29, 2026SC 13GPassive 5%+ stakeDocumentIndex
Jun 23, 2026425DocumentIndex
Jun 23, 20268-KMaterial eventDocumentIndex
Jun 17, 20268-KMaterial eventDocumentIndex
May 8, 202610-QQuarterly reportDocumentIndex
May 8, 20268-KMaterial eventDocumentIndex
Apr 28, 2026ARSAnnual report to holdersDocumentIndex
Apr 28, 2026DEFA14AProxy / shareholder voteDocumentIndex
Apr 28, 2026DEF 14AProxy / shareholder voteDocumentIndex
Apr 13, 20268-KMaterial eventDocumentIndex
Mar 9, 202610-KAnnual reportDocumentIndex
Mar 9, 20268-KMaterial eventDocumentIndex
Feb 17, 2026SC 13G/APassive 5%+ stakeDocumentIndex
Feb 5, 2026SC 13G/APassive 5%+ stakeDocumentIndex
Dec 4, 2025SC 13GPassive 5%+ stakeDocumentIndex
Nov 5, 202510-QQuarterly reportDocumentIndex
Nov 5, 20258-KMaterial eventDocumentIndex
Aug 14, 2025SC 13G/APassive 5%+ stakeDocumentIndex
Aug 5, 202510-QQuarterly reportDocumentIndex
Aug 5, 20258-KMaterial eventDocumentIndex
Jun 23, 20258-KMaterial eventDocumentIndex
May 23, 20258-KMaterial eventDocumentIndex
May 9, 202510-QQuarterly reportDocumentIndex
May 9, 20258-KMaterial eventDocumentIndex
Apr 29, 2025ARSAnnual report to holdersDocumentIndex
Apr 29, 2025DEFA14AProxy / shareholder voteDocumentIndex
Apr 29, 2025DEF 14AProxy / shareholder voteDocumentIndex
Apr 10, 2025EFFECTDocumentIndex