Boundless Bio Inc

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Boundless Bio Inc
CIK #0001782303
EDGAR Form CIK 2011 - 2026
10-K [0001782303]
10-Q [0001782303]
3 [0001782303]
4 [0001782303]
8-K [0001782303]
D [0001782303]
SC 13D [0001782303]
SC 13G [0001782303]
Form 13D/13G Filer Form 13D/13G Subject Filed
Tang Capital Management LLC Boundless Bio Inc [2026-06-29]
Citadel Advisors LLC Boundless Bio Inc [2025-12-04]
Arch Venture Fund IX LP Boundless Bio Inc [2024-10-29]
Nextech VI GP SARL Boundless Bio Inc [2024-04-12]
RA Capital Management LP Boundless Bio Inc [2024-04-12]
FMR LLC Boundless Bio Inc [2024-04-10]
Bayer Healthcare LLC Boundless Bio Inc [2024-04-09]
Form 3/4/5 Subject 2011 - 2026
Tang Capital Management LLC
Tang Kevin
Boundless Bio Inc
Arch Venture Partners X LLC
Arch Venture Partners IX LLC
Arch Venture Partners IX Overage LP
Arch Venture Fund IX Overage LP
Arch Venture Partners IX LP
Arch Venture Fund X Overage LP
Arch Venture Fund IX LP
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2026-01-23 Grant 230,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2026-01-23 Grant 140,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2026-01-23 Grant 220,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2026-01-23 Grant 600,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2026-01-23 Grant 230,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2025-06-23 Grant 16,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2025-06-23 Grant 16,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2025-06-23 Grant 16,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2025-06-23 Grant 16,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2025-06-23 Grant 24,000 $0.00
Boundless Bio Inc BOLD
Stock Option (right to buy) · derivative
2025-06-23 Grant 16,000 $0.00
Boundless Bio Inc BOLD
Stock Option · derivative
2025-02-03 Grant 180,000 $0.00
Boundless Bio Inc BOLD
Stock Option · derivative
2025-01-22 Grant 90,000 $0.00
Boundless Bio Inc BOLD
Stock Option · derivative
2025-01-22 Grant 295,000 $0.00
Boundless Bio Inc BOLD
Stock Option · derivative
2025-01-22 Grant 95,000 $0.00
Boundless Bio Inc BOLD
Stock Option · derivative
2025-01-22 Grant 65,000 $0.00
Boundless Bio Inc BOLD
Stock Option · derivative
2024-08-19 Grant 32,051
Boundless Bio Inc BOLD
Stock Option · derivative
2024-08-19 Grant 29,148
Boundless Bio Inc BOLD
Stock Option · derivative
2024-08-19 Disposed to issuer 42,051
Boundless Bio Inc BOLD
Stock Option · derivative
2024-08-19 Disposed to issuer 26,090
showing 20 of 139 most recent transactions
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