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COO/CFO · Gossamer Bio, Inc. · Gossamer Bio, Inc. — Pre-Funded Warrant (Right to Buy)
Grant or award — administrative, little informational value
$25K reported value · new position
Disclosed 2 business days after execution (deadline: 2)
First recorded trade by this actor in this security
No clustered activity in the dataset
No material company filing within 60 days after the trade
The Insider Score measures how far a disclosure deviates from normal filing patterns. A high score is a prompt for research, not evidence of illegal insider trading.
| Score | Actor | Security | Side | Value | Disclosed | Evidence |
|---|---|---|---|---|---|---|
| 9 | Daniel Thomas ODirector | Grant or award | A | — 10.0K sh | Sep 25, 2026 traded Sep 23, 2026 | |
| 9 | Ciongoli Gregory AustinDirector | Grant or award | A | — 30.0K sh | Sep 25, 2026 traded Sep 23, 2026 | |
| 9 | Quisel John DDirector | Grant or award | A | — 10.0K sh | Sep 25, 2026 traded Sep 23, 2026 | |
| 9 | Milligan SandraDirector | Grant or award | A | — 10.0K sh | Sep 25, 2026 traded Sep 23, 2026 | |
| 9 | Drynan SkyeDirector | Grant or award | A | — 10.0K sh | Sep 25, 2026 traded Sep 23, 2026 | |
| 9 | Cox Russell J.Director | Grant or award | A | — 10.0K sh | Sep 25, 2026 traded Sep 23, 2026 | |
| 9 | Nathan Steven DDirector | Grant or award | A | — 10.0K sh | Sep 25, 2026 traded Sep 23, 2026 | |
| 9 | Smith Robert Paul JRChief Commercial Officer | Grant or award | A | — 5.80M sh | Aug 26, 2026 traded Aug 24, 2026 | |
| 9 | Giraudo BryanCOO/CFO | Grant or award | A | — 5.80M sh | Aug 26, 2026 traded Aug 24, 2026 | |
| 9 | Peterson CarynChief Development Officer | Grant or award | A | — 5.80M sh | Aug 26, 2026 traded Aug 24, 2026 | |
| 9 | Drynan SkyeDirector | Grant or award | A | — 115.0K sh | Jun 5, 2026 traded Jun 4, 2026 | |
| 9 | Milligan SandraDirector | Grant or award | A | — 115.0K sh | Jun 5, 2026 traded Jun 4, 2026 | |
| 9 | Nathan Steven DDirector | Grant or award | A | — 115.0K sh | Jun 5, 2026 traded Jun 4, 2026 | |
| 9 | Peterson CarynEVP, Regulatory Affairs | Grant or award | A | — 32.3K sh | Mar 20, 2026 traded Mar 19, 2026 | |
| 9 | Aranda RichardChief Medical Officer | Grant or award | A | — 40.0K sh | Mar 20, 2026 traded Mar 19, 2026 | |
| 9 | Giraudo BryanCOO/CFO | Disposition to issuer | D | — 60.0K sh | Mar 20, 2026 traded Mar 19, 2026 | |
| 9 | Aranda RichardChief Medical Officer | Grant or award | A | — 20.0K sh | Mar 20, 2026 traded Mar 19, 2026 | |
| 9 | Smith Robert Paul JRChief Commercial Officer | Disposition to issuer | D | — 572.0K sh | Mar 20, 2026 traded Mar 19, 2026 | |
| 9 | Peterson CarynEVP, Regulatory Affairs | Disposition to issuer | D | — 126.7K sh | Mar 20, 2026 traded Mar 19, 2026 | |
| 9 | Aranda RichardChief Medical Officer | Disposition to issuer | D | — 487.5K sh | Mar 20, 2026 traded Mar 19, 2026 |
Read directly from the primary public document; every field below is as reported by the filer.
Value = shares × reported price per share
= $25,000
Giraudo Bryan filed this Form 4 reporting a grant or award of GOSS on Aug 24, 2026. It became public on Aug 26, 2026. The filing establishes the reported transaction and the filer's stated role. It does not establish why the trade was made or what the filer knew.
No field has changed since this record was first ingested.
No material filings recorded for this issuer.