CIK 0001728117 · Non-accelerated filer<br>Smaller reporting company
Gossamer Bio, Inc.
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- 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 |
|---|---|---|---|---|---|---|
| 2025-08-19 | Milligan Sandra Director | Purchase | +26,050 | $1.92 | $50K | 58,050 |
| 2024-06-21 | Hasnain Faheem President & CEO | Purchase | +372,000 | $0.67 | $250K | 5,408,073 |
| 2024-06-18 | Giraudo Bryan COO/CFO | Purchase | +100,000 | $0.59 | $59K | 480,010 |
| 2024-06-17 | Smith Robert Paul JR Chief Commercial Officer | Purchase | +25,000 | $0.60 | $15K | 25,000 |
| 2023-11-15 | Milligan Sandra Director | Purchase | +32,000 | $0.79 | $25K | 32,000 |
| 2023-11-13 | Giraudo Bryan COO/CFO | Purchase | +200,000 | $0.56 | $113K | 380,010 |
| 2023-04-04 | Giraudo Bryan COO/CFO | Purchase | +55,000 | $1.02 | $56K | 125,990 |
| 2023-03-22 | Hasnain Faheem President & CEO | Purchase | +440,500 | $1.14 | $504K | 4,495,897 |
| 2023-03-21 | Hasnain Faheem President & CEO | Purchase | +269,389 | $1.20 | $322K | 4,055,397 |
| 2023-03-20 | Christian Waage EVP, Tech Ops and Admin | Purchase | +18,500 | $1.20 | $22K | 32,388 |
| 2023-03-20 | Giraudo Bryan COO/CFO | Purchase | +50,000 | $0.97 | $48K | 70,990 |
| 2023-03-20 | Hasnain Faheem President & CEO | Purchase | +168,683 | $1.03 | $174K | 3,786,008 |
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