Gossamer Bio, Inc. (GOSS) — Insider Trading
Insider trading activity for Gossamer Bio, Inc. sourced from SEC EDGAR Form 4 filings.
Overview
- Total insider trades: 128
- Last trade date: Sep 25, 2026
- Ticker: GOSS
Top Insiders
- Smith Robert Paul JR (Chief Commercial Officer) — 5 trades, buy: $0, sell: $0
- Ciongoli Gregory Austin — 1 trades, buy: $0, sell: $0
- Aranda Richard (Chief Medical Officer) — 24 trades, buy: $0, sell: $0
- Peterson Caryn (EVP, Regulatory Affairs) — 24 trades, buy: $0, sell: $0
- Quisel John D — 2 trades, buy: $0, sell: $0
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 23, 2026 | Nathan Steven D | GOSS Gossamer Bio, Inc. | OTHER | 10,000 | N/A |
| Sep 23, 2026 | Cox Russell J. | GOSS Gossamer Bio, Inc. | OTHER | 10,000 | N/A |
| Sep 23, 2026 | Quisel John D | GOSS Gossamer Bio, Inc. | OTHER | 10,000 | N/A |
| Sep 23, 2026 | Drynan Skye | GOSS Gossamer Bio, Inc. | OTHER | 10,000 | N/A |
| Sep 23, 2026 | Ciongoli Gregory Austin | GOSS Gossamer Bio, Inc. | OTHER | 30,000 | N/A |
| Sep 23, 2026 | Daniel Thomas O | GOSS Gossamer Bio, Inc. | OTHER | 10,000 | N/A |
| Sep 23, 2026 | Milligan Sandra | GOSS Gossamer Bio, Inc. | OTHER | 10,000 | N/A |
| Aug 24, 2026 | Smith Robert Paul JR | GOSS Gossamer Bio, Inc. | BUY | 5,800,051 | N/A |
| Jun 4, 2026 | Cox Russell J. | GOSS Gossamer Bio, Inc. | OTHER | 115,000 | N/A |
| Jun 4, 2026 | Daniel Thomas O | GOSS Gossamer Bio, Inc. | OTHER | 115,000 | N/A |
| Jun 4, 2026 | Quisel John D | GOSS Gossamer Bio, Inc. | OTHER | 115,000 | N/A |
| Jun 4, 2026 | Milligan Sandra | GOSS Gossamer Bio, Inc. | OTHER | 115,000 | N/A |
| Jun 4, 2026 | Drynan Skye | GOSS Gossamer Bio, Inc. | OTHER | 115,000 | N/A |
| Jun 4, 2026 | Nathan Steven D | GOSS Gossamer Bio, Inc. | OTHER | 115,000 | N/A |
| Mar 19, 2026 | Hasnain Faheem | GOSS Gossamer Bio, Inc. | OTHER | 43,500 | N/A |
| Mar 19, 2026 | Hasnain Faheem | GOSS Gossamer Bio, Inc. | OTHER | 47,000 | N/A |
| Mar 19, 2026 | Hasnain Faheem | GOSS Gossamer Bio, Inc. | OTHER | 325,000 | N/A |
| Mar 19, 2026 | Hasnain Faheem | GOSS Gossamer Bio, Inc. | OTHER | 650,000 | N/A |
| Mar 19, 2026 | Hasnain Faheem | GOSS Gossamer Bio, Inc. | OTHER | 544,500 | N/A |
| Mar 19, 2026 | Hasnain Faheem | GOSS Gossamer Bio, Inc. | OTHER | 544,500 | N/A |