Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2025-08-19 Purchase | 2025-08-20 4:04 pm | Gossamer Bio Inc. | GOSS | Milligan Sandra Director | 26,050 | $1.92 | $50,016 | 58,050 (Direct) | View |
| 2024-06-24 Sale | 2024-06-25 6:24 pm | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 1,908 | $0.6605 | $1,260 | 199,430 (Indirect Direct) | View |
| 2024-06-21 Purchase | 2024-06-24 5:52 pm | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 372,000 | $0.6728 | $250,282 | 5,528,366 (Indirect Direct) | View |
| 2024-06-18 Purchase | 2024-06-20 8:21 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 100,000 | $0.5911 | $59,110 | 480,010 (Indirect) | View |
| 2024-06-17 Purchase | 2024-06-20 8:20 pm | Gossamer Bio Inc. | GOSS | Smith Robert Paul JR Chief Commercial Officer | 25,000 | $0.602 | $15,050 | 25,000 (Indirect) | View |
| 2024-03-27 Sale | 2024-03-28 6:16 pm | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 6,430 | $1.1555 | $7,430 | 654,048 (Indirect Direct) | View |
| 2024-03-27 Sale | 2024-03-28 6:05 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 6,430 | $1.1556 | $7,431 | 472,747 (Indirect Direct) | View |
| 2024-03-27 Sale | 2024-03-28 6:01 pm | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 23,172 | $1.1554 | $26,773 | 5,156,366 (Indirect Direct) | View |
| 2024-03-18 Sale | 2024-03-19 6:50 pm | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 4,018 | $1.3295 | $5,342 | 198,799 (Direct) | View |
| 2024-03-18 Sale | 2024-03-19 6:50 pm | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 4,018 | $1.3297 | $5,343 | 49,833 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2025-06-25 Option Award | 2025-06-26 4:40 pm | N/A 2035-06-24 | Gossamer Bio Inc. | GOSS | Daniel Thomas O Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2025-06-25 Option Award | 2025-06-26 4:39 pm | N/A 2035-06-24 | Gossamer Bio Inc. | GOSS | Nathan Steven D Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2025-06-25 Option Award | 2025-06-26 4:38 pm | N/A 2035-06-24 | Gossamer Bio Inc. | GOSS | Cox Russell J. Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2025-06-25 Option Award | 2025-06-26 4:37 pm | N/A 2035-06-24 | Gossamer Bio Inc. | GOSS | Quisel John D Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2025-06-25 Option Award | 2025-06-26 4:36 pm | N/A 2035-06-24 | Gossamer Bio Inc. | GOSS | Milligan Sandra Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2025-06-25 Option Award | 2025-06-26 4:35 pm | N/A 2035-06-24 | Gossamer Bio Inc. | GOSS | Drynan Skye Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2025-03-04 Option Award | 2025-03-06 4:09 pm | N/A 2035-03-03 | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 440,000 | $0 | 440,000 (Direct) | View |
| 2025-03-04 Option Award | 2025-03-06 4:08 pm | N/A 2035-03-03 | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 440,000 | $0 | 440,000 (Direct) | View |
| 2025-03-04 Option Award | 2025-03-06 4:06 pm | N/A 2035-03-03 | Gossamer Bio Inc. | GOSS | Smith Robert Paul JR Chief Commercial Officer | 572,000 | $0 | 572,000 (Direct) | View |
| 2025-03-04 Option Award | 2025-03-06 4:05 pm | N/A 2035-03-03 | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 572,000 | $0 | 572,000 (Direct) | View |
| 2025-03-04 Option Award | 2025-03-06 4:04 pm | N/A 2035-03-03 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 638,000 | $0 | 638,000 (Direct) | View |
| 2025-03-04 Option Award | 2025-03-06 4:03 pm | N/A 2035-03-03 | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 1,540,000 | $0 | 1,540,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-06 9:59 pm | N/A 2034-06-05 | Gossamer Bio Inc. | GOSS | Quisel John D Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-06 9:58 pm | N/A 2034-06-05 | Gossamer Bio Inc. | GOSS | Milligan Sandra Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-06 9:58 pm | N/A 2034-06-05 | Gossamer Bio Inc. | GOSS | Cox Russell J. Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2024-06-06 Option Award | 2024-06-06 9:57 pm | N/A 2034-06-05 | Gossamer Bio Inc. | GOSS | Daniel Thomas O Director | 115,000 | $0 | 115,000 (Direct) | View |
| 2024-03-11 Option Award | 2024-03-12 7:53 pm | N/A 2034-03-10 | Gossamer Bio Inc. | GOSS | Drynan Skye Director | 230,000 | $0 | 230,000 (Direct) | View |
| 2024-03-11 Option Award | 2024-03-12 7:50 pm | N/A 2034-03-10 | Gossamer Bio Inc. | GOSS | Nathan Steven D Director | 230,000 | $0 | 230,000 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 5:11 pm | N/A 2034-01-01 | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 375,000 | $0 | 375,000 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 5:08 pm | N/A 2034-01-01 | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 375,000 | $0 | 375,000 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 5:04 pm | N/A 2034-01-01 | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 487,500 | $0 | 487,500 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 5:02 pm | N/A 2034-01-01 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 543,750 | $0 | 543,750 (Direct) | View |
| 2024-01-02 Option Award | 2024-01-04 5:00 pm | N/A 2034-01-01 | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 1,312,500 | $0 | 1,312,500 (Direct) | View |
| 2023-12-04 Option Award | 2023-12-05 5:12 pm | N/A 2033-12-03 | Gossamer Bio Inc. | GOSS | Smith Robert Paul JR Chief Commercial Officer | 1,500,000 | $0 | 1,500,000 (Direct) | View |
| 2023-11-28 Option Award | 2023-11-29 6:38 pm | N/A 2033-11-27 | Gossamer Bio Inc. | GOSS | Quisel John D Director | 230,000 | $0 | 230,000 (Direct) | View |
| 2023-11-20 Option Award | 2023-11-22 7:07 pm | N/A 2033-11-19 | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 162,500 | $0 | 162,500 (Direct) | View |