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 |
2023-06-22 Sale | 2023-06-26 4:01 pm | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 1,814 | $1.29 | $2,340 | 200,113 (Indirect Direct) | View |
2023-04-04 Purchase | 2023-04-05 4:26 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 55,000 | $1.0199 | $56,095 | 225,157 (Indirect Direct) | View |
2023-03-20 Purchase | 2023-03-22 5:19 pm | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 18,500 | $1.197 | $22,145 | 794,588 (Indirect Direct) | View |
2023-03-20 Purchase | 2023-03-22 5:17 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 50,000 | $0.9687 | $48,435 | 381,657 (Indirect Direct) | View |
2023-03-20 Purchase | 2023-03-22 5:14 pm | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 878,572 | $1.1387 | $1,000,389 | 5,183,862 (Indirect Direct) | View |
2023-03-16 Sale | 2023-03-20 09:22 am | Gossamer Bio Inc. | GOSS | Carter Laura Chief Scientific Officer | 6,029 | $1.098 | $6,620 | 76,263 (Direct) | View |
2023-03-16 Sale | 2023-03-20 09:21 am | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 7,563 | $1.098 | $8,304 | 201,927 (Indirect Direct) | View |
2023-03-16 Sale | 2023-03-20 09:19 am | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 7,564 | $1.098 | $8,305 | 53,851 (Direct) | View |
2022-10-24 Sale(A) | 2022-10-27 5:04 pm | Gossamer Bio Inc. | GOSS | Carter Laura Chief Scientific Officer | 4,876 | $12.07 | $58,868 | 82,292 (Direct) | View |
2022-10-24 Sale | 2022-10-25 4:59 pm | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 4,757 | $12.07 | $57,431 | 61,415 (Direct) | View |
2022-10-24 Sale | 2022-10-25 4:57 pm | Gossamer Bio Inc. | GOSS | Carter Laura Chief Scientific Officer | 4,876 | $12.07 | $58,868 | 82,292 (Direct) | View |
2022-10-24 Sale | 2022-10-25 4:55 pm | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 4,757 | $12.07 | $57,431 | 207,969 (Indirect 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 |
2023-07-24 Option Award | 2023-07-26 4:03 pm | 2023-07-24 2028-07-24 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 13,505 | $0.125 | 263,894 (Indirect) | View |
2023-07-24 Option Award | 2023-07-26 4:03 pm | N/A N/A | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 54,020 | $1.82 | 263,894 (Indirect) | View |
2023-07-24 Option Award | 2023-07-26 4:02 pm | 2023-07-24 2028-07-24 | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 135,044 | $0.125 | 5,314,582 (Indirect) | View |
2023-07-24 Option Award | 2023-07-26 4:02 pm | N/A N/A | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 540,176 | $1.82 | 5,314,582 (Indirect) | View |
2023-07-24 Option Award | 2023-07-26 4:01 pm | 2023-07-24 2028-07-24 | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 3,376 | $0.125 | 653,968 (Indirect) | View |
2023-07-24 Option Award | 2023-07-26 4:01 pm | N/A N/A | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 13,504 | $1.82 | 653,968 (Indirect) | View |
2023-06-08 Option Award | 2023-06-09 4:15 pm | N/A 2033-06-07 | Gossamer Bio Inc. | GOSS | GALA RENEE D Director | 35,000 | $0 | 35,000 (Direct) | View |
2023-06-08 Option Award | 2023-06-09 4:15 pm | N/A 2033-06-07 | Gossamer Bio Inc. | GOSS | Cox Russell J. Director | 35,000 | $0 | 35,000 (Direct) | View |
2023-06-08 Option Award | 2023-06-09 4:14 pm | N/A 2033-06-07 | Gossamer Bio Inc. | GOSS | Milligan Sandra Director | 35,000 | $0 | 35,000 (Direct) | View |
2023-06-08 Option Award | 2023-06-09 4:13 pm | N/A 2033-06-07 | Gossamer Bio Inc. | GOSS | Daniel Thomas O Director | 35,000 | $0 | 35,000 (Direct) | View |
2023-06-08 Option Award | 2023-06-09 4:13 pm | N/A 2033-06-07 | Gossamer Bio Inc. | GOSS | Burow Kristina Director | 35,000 | $0 | 35,000 (Direct) | View |
2023-05-05 Disposition | 2023-05-09 4:25 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 346,425 | $0 | 230,953 (Direct) | View |
2023-05-05 Option Award | 2023-05-09 4:25 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 230,953 | $0 | 230,953 (Direct) | View |
2023-05-05 Disposition | 2023-05-09 4:22 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 372,925 | $0 | 248,618 (Direct) | View |
2023-05-05 Option Award | 2023-05-09 4:22 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 248,618 | $0 | 248,618 (Direct) | View |
2023-05-05 Disposition | 2023-05-09 4:18 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 456,500 | $0 | 304,334 (Direct) | View |
2023-05-05 Option Award | 2023-05-09 4:18 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 304,334 | $0 | 304,334 (Direct) | View |
2023-05-05 Disposition | 2023-05-09 4:15 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 721,500 | $0 | 481,001 (Direct) | View |
2023-05-05 Option Award | 2023-05-09 4:15 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 481,001 | $0 | 481,001 (Direct) | View |
2023-05-05 Option Award | 2023-05-09 4:12 pm | N/A 2033-05-04 | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 750,000 | $0 | 750,000 (Direct) | View |
2023-03-20 Option Award | 2023-03-22 5:23 pm | N/A 2033-03-19 | Gossamer Bio Inc. | GOSS | Carter Laura Chief Scientific Officer | 157,500 | $0 | 157,500 (Direct) | View |
2023-03-20 Option Award | 2023-03-22 5:21 pm | N/A 2033-03-19 | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 157,500 | $0 | 157,500 (Direct) | View |
2023-03-20 Option Award | 2023-03-22 5:20 pm | N/A 2033-03-19 | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 157,500 | $0 | 157,500 (Direct) | View |
2023-03-20 Option Award | 2023-03-22 5:19 pm | N/A 2033-03-19 | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 157,500 | $0 | 794,588 (Direct) | View |
2023-03-20 Option Award | 2023-03-22 5:17 pm | N/A 2033-03-19 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 211,500 | $0 | 381,657 (Direct) | View |
2023-03-20 Option Award | 2023-03-22 5:14 pm | N/A 2033-03-19 | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 544,500 | $0 | 5,183,862 (Direct) | View |
2022-12-07 Option Award | 2022-12-09 5:21 pm | N/A 2032-12-06 | Gossamer Bio Inc. | GOSS | Carter Laura Chief Scientific Officer | 157,500 | $0 | 157,500 (Direct) | View |
2022-12-07 Option Award | 2022-12-09 5:20 pm | N/A 2032-12-06 | Gossamer Bio Inc. | GOSS | Peterson Caryn EVP, Regulatory Affairs | 157,500 | $0 | 157,500 (Direct) | View |
2022-12-07 Option Award | 2022-12-09 5:18 pm | N/A 2032-12-06 | Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer | 157,500 | $0 | 157,500 (Direct) | View |
2022-12-07 Option Award | 2022-12-09 5:17 pm | N/A 2032-12-06 | Gossamer Bio Inc. | GOSS | Christian Waage EVP, Tech Ops and Admin | 157,500 | $0 | 157,500 (Direct) | View |
2022-12-07 Option Award | 2022-12-09 5:15 pm | N/A 2032-12-06 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 211,500 | $0 | 211,500 (Direct) | View |
2022-12-07 Option Award | 2022-12-09 5:13 pm | N/A 2032-12-06 | Gossamer Bio Inc. | GOSS | Hasnain Faheem President & CEO | 544,500 | $0 | 544,500 (Direct) | View |
2022-06-09 Option Award | 2022-07-15 5:21 pm | N/A 2032-06-08 | Gossamer Bio Inc. | GOSS | Burow Kristina Director | 30,000 | $0 | 30,000 (Direct) | View |
2022-06-09 Option Award | 2022-07-15 5:15 pm | N/A 2032-06-08 | Gossamer Bio Inc. | GOSS | Daniel Thomas O Director | 30,000 | $0 | 30,000 (Direct) | View |
2022-06-09 Option Award | 2022-07-15 5:06 pm | N/A 2032-06-08 | Gossamer Bio Inc. | GOSS | Cox Russell J. Director | 30,000 | $0 | 30,000 (Direct) | View |
2022-06-09 Option Award | 2022-07-15 5:05 pm | N/A 2032-06-08 | Gossamer Bio Inc. | GOSS | Bilenker Joshua H. Director | 30,000 | $0 | 30,000 (Direct) | View |
2022-06-09 Option Award | 2022-07-15 5:03 pm | N/A 2032-06-08 | Gossamer Bio Inc. | GOSS | Milligan Sandra Director | 30,000 | $0 | 30,000 (Direct) | View |
2022-06-09 Option Award | 2022-07-15 4:52 pm | N/A 2032-06-08 | Gossamer Bio Inc. | GOSS | GALA RENEE D Director | 30,000 | $0 | 30,000 (Direct) | View |