Gossamer Bio Inc

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Gossamer Bio Inc
CIK #0001728117
EDGAR Form CIK 2011 - 2026
10-K [0001728117]
10-Q [0001728117]
3 [0001728117]
4 [0001728117]
8-K [0001728117]
D [0001728117]
SC 13D [0001728117]
SC 13G [0001728117]
Form 13D/13G Filer Form 13D/13G Subject Filed
D E Shaw & Co LP Gossamer Bio Inc [2026-06-11]
Deepcurrents Investment Group LLC Gossamer Bio Inc [2026-06-11]
683 Capital Management LLC Gossamer Bio Inc [2026-06-11]
Context Capital Management LLC Gossamer Bio Inc [2026-06-09]
683 Capital Management LLC Gossamer Bio Inc [2026-03-02]
Vanguard Group Inc Gossamer Bio Inc [2025-07-29]
BlackRock Inc Gossamer Bio Inc [2025-07-17]
Octagon Capital Advisors LP Gossamer Bio Inc [2025-02-05]
FMR LLC Gossamer Bio Inc [2024-02-09]
Artal International SCA Gossamer Bio Inc [2024-01-11]
View All
Form 3/4/5 Subject 2011 - 2026
Gossamer Bio Inc
Cox Russell J
Milligan Sandra
Daniel Thomas O
Nathan Steven D
Drynan Skye
Quisel John D
Christian Waage
Aranda Richard
Peterson Caryn
Giraudo Bryan
Hasnain Faheem
Smith Robert Paul JR
Gala Renee D
Burow Kristina
Carter Laura
Bilenker Joshua H
Salter-Cid Luisa
Dupont Jakob
Gujrathi Sheila
Omega Fund V GP LP
Omega Fund V LP
Omega Fund V GP Manager Ltd
Stampacchia Otello
Arch Venture Partners IX LLC
Bybee Clinton
Arch Venture Partners IX Overage LP
Arch Venture Fund IX Overage LP
Arch Venture Partners IX LP
Nelsen Robert
Arch Venture Fund IX LP
Crandell Keith
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 506,250
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 375,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 125,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 157,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 157,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 126,667
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 21,167
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 562,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 572,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 562,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 572,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 544,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 437,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 544,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 650,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 325,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 47,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Disposed to issuer 43,500
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 1,680,000
Gossamer Bio Inc GOSS
Stock Option (Right to Buy) · derivative
2026-03-19 Grant 1,540,000
showing 20 of 200 most recent transactions
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