CIK 0001728117 · Non-accelerated filer<br>Smaller reporting company
Gossamer Bio, Inc.
Sign in to watch- Ticker
- GOSS
- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 475461709
- Phone
- (858) 684-1300
- Business address
- 3115 MERRYFIELD ROW, SUITE 120, SAN DIEGO, CA, 92121
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-09-23 | Milligan Sandra Director | Grant or award · Stock Option (Right to Buy) | +10,000 | 10,000 | ||
| 2026-09-23 | Daniel Thomas O Director | Grant or award · Stock Option (Right to Buy) | +10,000 | 10,000 | ||
| 2026-09-23 | Ciongoli Gregory Austin Director | Grant or award · Stock Option (Right to Buy) | +30,000 | 30,000 | ||
| 2026-09-23 | Drynan Skye Director | Grant or award · Stock Option (Right to Buy) | +10,000 | 10,000 | ||
| 2026-09-23 | Quisel John D Director | Grant or award · Stock Option (Right to Buy) | +10,000 | 10,000 | ||
| 2026-09-23 | Cox Russell J. Director | Grant or award · Stock Option (Right to Buy) | +10,000 | 10,000 | ||
| 2026-09-23 | Nathan Steven D Director | Grant or award · Stock Option (Right to Buy) | +10,000 | 10,000 | ||
| 2026-08-24 | Smith Robert Paul JR Chief Commercial Officer | Grant or award · Stock Option (Right to Buy) | +5,800,051 | 5,800,051 | ||
| 2026-08-24 | Peterson Caryn Chief Development Officer | Grant or award · Stock Option (Right to Buy) | +5,800,051 | 5,800,051 | ||
| 2026-08-24 | Giraudo Bryan COO/CFO | Grant or award · Pre-Funded Warrant (Right to Buy) | +25 | $1,000.00 | $25K | 25 |
| 2026-08-24 | Giraudo Bryan COO/CFO | Grant or award · Stock Option (Right to Buy) | +5,800,051 | 5,800,051 | ||
| 2026-08-24 | Christian Waage EVP, Tech Ops and Admin | Grant or award · Stock Option (Right to Buy) | +2,900,026 | 2,900,026 | ||
| 2026-08-24 | Hasnain Faheem President & CEO | Grant or award · Pre-Funded Warrant (Right to Buy) | +166 | $1,000.00 | $166K | 166 |
| 2026-08-24 | Hasnain Faheem President & CEO | Grant or award · Stock Option (Right to Buy) | +5,800,051 | 5,800,051 | ||
| 2026-06-04 | Nathan Steven D Director | Grant or award · Stock Option (Right to Buy) | +115,000 | 115,000 | ||
| 2026-06-04 | Drynan Skye Director | Grant or award · Stock Option (Right to Buy) | +115,000 | 115,000 | ||
| 2026-06-04 | Milligan Sandra Director | Grant or award · Stock Option (Right to Buy) | +115,000 | 115,000 | ||
| 2026-06-04 | Quisel John D Director | Grant or award · Stock Option (Right to Buy) | +115,000 | 115,000 | ||
| 2026-06-04 | Daniel Thomas O Director | Grant or award · Stock Option (Right to Buy) | +115,000 | 115,000 | ||
| 2026-06-04 | Cox Russell J. Director | Grant or award · Stock Option (Right to Buy) | +115,000 | 115,000 |
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