Milligan Sandra
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
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Gossamer Bio
GOSS
ManufacturingChemicals
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
20 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Milligan Sandra Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Daniel Thomas O Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Ciongoli Gregory Austin Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Drynan Skye Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Cox Russell J. Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Nathan Steven D Director | Sep 25, 2026 2-day lag | Award Sep 23, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Christian Waage EVP, Tech Ops And Admin | Aug 26, 2026 2-day lag | Award Aug 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Peterson Caryn Chief Development Officer | Aug 26, 2026 2-day lag | Award Aug 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Smith Robert Paul Jr Chief Commercial Officer | Aug 26, 2026 2-day lag | Award Aug 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Giraudo Bryan COO/CFO | Aug 26, 2026 2-day lag | Award Aug 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Giraudo Bryan COO/CFO | Aug 26, 2026 2-day lag | Award Aug 24, 2026 | $25K Filed shares x price | SEC Form 4 View filing | |
| Hasnain Faheem President & CEO | Aug 26, 2026 2-day lag | Award Aug 24, 2026 | $166K Filed shares x price | SEC Form 4 View filing | |
| Hasnain Faheem President & CEO | Aug 26, 2026 2-day lag | Award Aug 24, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Cox Russell J. Director | Jun 5, 2026 1-day lag | Award Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Daniel Thomas O Director | Jun 5, 2026 1-day lag | Award Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Milligan Sandra Director | Jun 5, 2026 1-day lag | Award Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Nathan Steven D Director | Jun 5, 2026 1-day lag | Award Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Drynan Skye Director | Jun 5, 2026 1-day lag | Award Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Quisel John D Director | Jun 5, 2026 1-day lag | Award Jun 4, 2026 | $0 Filed shares x price | SEC Form 4 View filing |
Daniel Thomas O
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Ciongoli Gregory Austin
Director
Award
Calculated transaction value
$0
30,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Drynan Skye
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Quisel John D
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Cox Russell J.
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Nathan Steven D
Director
Award
Calculated transaction value
$0
10,000 shares @ $0
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Christian Waage
EVP, Tech Ops And Admin
Award
Calculated transaction value
$0
2,900,026 shares @ $0
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Peterson Caryn
Chief Development Officer
Award
Calculated transaction value
$0
5,800,051 shares @ $0
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Smith Robert Paul Jr
Chief Commercial Officer
Award
Calculated transaction value
$0
5,800,051 shares @ $0
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Giraudo Bryan
COO/CFO
Award
Calculated transaction value
$0
5,800,051 shares @ $0
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Giraudo Bryan
COO/CFO
Award
Calculated transaction value
$25K
25 shares @ $1,000
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Hasnain Faheem
President & CEO
Award
Calculated transaction value
$166K
166 shares @ $1,000
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Hasnain Faheem
President & CEO
Award
Calculated transaction value
$0
5,800,051 shares @ $0
Traded
Aug 24, 2026
Filed
Aug 26, 2026
Cox Russell J.
Director
Award
Calculated transaction value
$0
115,000 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Daniel Thomas O
Director
Award
Calculated transaction value
$0
115,000 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Milligan Sandra
Director
Award
Calculated transaction value
$0
115,000 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Nathan Steven D
Director
Award
Calculated transaction value
$0
115,000 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Drynan Skye
Director
Award
Calculated transaction value
$0
115,000 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026
Quisel John D
Director
Award
Calculated transaction value
$0
115,000 shares @ $0
Traded
Jun 4, 2026
Filed
Jun 5, 2026