Gossamer Bio, Inc. - GOSS
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Mar 20, 2026 | COO/CFO | A | A | 96,667.0 | — | — | 96,667.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 47,667.0 | — | — | 47,667.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 60,000.0 | — | — | 60,000.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 100,000.0 | — | — | 100,000.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 176,667.0 | — | — | 176,667.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 211,500.0 | — | — | 211,500.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 211,500.0 | — | — | 211,500.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 181,250.0 | — | — | 181,250.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 543,750.0 | — | — | 543,750.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 638,000.0 | — | — | 638,000.0 | View | |
| Mar 20, 2026 | COO/CFO | A | A | 693,750.0 | — | — | 693,750.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 96,667.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 47,667.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 60,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 100,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 176,667.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 211,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 211,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 181,250.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 543,750.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 638,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | COO/CFO | D | D | 693,750.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 43,500.0 | — | — | 43,500.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 47,000.0 | — | — | 47,000.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 325,000.0 | — | — | 325,000.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 650,000.0 | — | — | 650,000.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 544,500.0 | — | — | 544,500.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 544,500.0 | — | — | 544,500.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 437,500.0 | — | — | 437,500.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 1,312,500.0 | — | — | 1,312,500.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 1,540,000.0 | — | — | 1,540,000.0 | View | |
| Mar 20, 2026 | President & CEO | A | A | 1,680,000.0 | — | — | 1,680,000.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 43,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 47,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 325,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 650,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 544,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 544,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 437,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 1,312,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 1,540,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | President & CEO | D | D | 1,680,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Commercial Officer | A | A | 572,000.0 | — | — | 572,000.0 | View | |
| Mar 20, 2026 | Chief Commercial Officer | A | A | 562,500.0 | — | — | 562,500.0 | View | |
| Mar 20, 2026 | Chief Commercial Officer | D | D | 572,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Commercial Officer | D | D | 562,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 32,334.0 | — | — | 32,334.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 9,167.0 | — | — | 9,167.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 22,784.0 | — | — | 22,784.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 18,834.0 | — | — | 18,834.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 21,167.0 | — | — | 21,167.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 126,667.0 | — | — | 126,667.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 157,500.0 | — | — | 157,500.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 157,500.0 | — | — | 157,500.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 125,000.0 | — | — | 125,000.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 375,000.0 | — | — | 375,000.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 440,000.0 | — | — | 440,000.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | A | A | 506,250.0 | — | — | 506,250.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 32,334.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 9,167.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 22,784.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 18,834.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 21,167.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 126,667.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 157,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 157,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 125,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 375,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 440,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Regulatory Affairs | D | D | 506,250.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 30,000.0 | — | — | 30,000.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 9,167.0 | — | — | 9,167.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 22,784.0 | — | — | 22,784.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 40,000.0 | — | — | 40,000.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 20,000.0 | — | — | 20,000.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 126,667.0 | — | — | 126,667.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 157,500.0 | — | — | 157,500.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 157,500.0 | — | — | 157,500.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 162,500.0 | — | — | 162,500.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 487,500.0 | — | — | 487,500.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 572,000.0 | — | — | 572,000.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | A | A | 562,500.0 | — | — | 562,500.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 30,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 9,167.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 22,784.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 40,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 20,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 126,667.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 157,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 157,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 162,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 487,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 572,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | Chief Medical Officer | D | D | 562,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 70,000.0 | — | — | 70,000.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 47,667.0 | — | — | 47,667.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 60,000.0 | — | — | 60,000.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 126,667.0 | — | — | 126,667.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 157,500.0 | — | — | 157,500.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 157,500.0 | — | — | 157,500.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 125,000.0 | — | — | 125,000.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 375,000.0 | — | — | 375,000.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 440,000.0 | — | — | 440,000.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | A | A | 506,250.0 | — | — | 506,250.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 70,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 47,667.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 60,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 126,667.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 157,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 157,500.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 125,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 375,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 440,000.0 | — | — | 0.0 | View | |
| Mar 20, 2026 | EVP, Tech Ops and Admin | D | D | 506,250.0 | — | — | 0.0 | View | |
| Jan 05, 2026 | President & CEO | A | A | 1,680,000.0 | 0.0 | 0.0 | 1,680,000.0 | View | |
| Jan 05, 2026 | President & CEO | A | A | 280,000.0 | 0.0 | 0.0 | 837,793.0 | View | |
| Jan 05, 2026 | COO/CFO | A | A | 693,750.0 | 0.0 | 0.0 | 693,750.0 | View | |
| Jan 05, 2026 | COO/CFO | A | A | 115,750.0 | 0.0 | 0.0 | 389,737.0 | View | |
| Jan 05, 2026 | Chief Commercial Officer | A | A | 562,500.0 | 0.0 | 0.0 | 562,500.0 | View | |
| Jan 05, 2026 | Chief Commercial Officer | A | A | 93,750.0 | 0.0 | 0.0 | 260,898.0 | View | |
| Jan 05, 2026 | Chief Medical Officer | A | A | 562,500.0 | 0.0 | 0.0 | 562,500.0 | View | |
| Jan 05, 2026 | Chief Medical Officer | A | A | 93,750.0 | 0.0 | 0.0 | 463,106.0 | View | |
| Jan 05, 2026 | EVP, Regulatory Affairs | A | A | 506,250.0 | 0.0 | 0.0 | 506,250.0 | View | |
| Jan 05, 2026 | EVP, Regulatory Affairs | A | A | 84,500.0 | 0.0 | 0.0 | 259,333.0 | View | |
| Jan 05, 2026 | EVP, Tech Ops and Admin | A | A | 506,250.0 | 0.0 | 0.0 | 506,250.0 | View | |
| Jan 05, 2026 | EVP, Tech Ops and Admin | A | A | 84,500.0 | 0.0 | 0.0 | 814,061.0 | View |