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 |
2022-07-15 Purchase | 2022-07-15 4:23 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 13,869 | $7.21 | $99,995 | 120,157 (Indirect Direct) | View |
2022-03-23 Sale | 2022-03-24 4:53 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 10,722 | $8.915 | $95,587 | 106,288 (Indirect Direct) | View |
2021-03-23 Sale | 2021-03-25 4:11 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 5,490 | $9.4801 | $52,046 | 117,010 (Indirect Direct) | View |
2020-10-14 Purchase | 2020-10-14 7:27 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 3,000 | $10.01 | $30,036 | 77,500 (Indirect Direct) | View |
2020-06-23 Purchase | 2020-06-23 5:01 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 2,000 | $12.96 | $25,922 | 74,500 (Indirect Direct) | View |
2019-12-03 Purchase | 2019-12-03 6:46 pm | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 8,000 | $5.7025 | $45,620 | 18,000 (Indirect Direct) | View |
2019-09-26 Purchase | 2019-09-26 4:08 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 1,121 | $16.78 | $18,810 | 26,000 (Indirect Direct) | View |
2019-05-30 Purchase | 2019-06-03 4:03 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 1,000 | $18.7 | $18,700 | 24,879 (Indirect Direct) | View |
2019-02-12 Purchase | 2019-02-12 5:33 pm | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 6,000 | $16 | $96,000 | 23,879 (Direct) | View |
2018-05-15 Purchase | 2018-05-17 5:48 pm | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 10,000 | $6.4566 | $64,566 | 34,000 (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 |
2023-01-16 Option Award | 2023-01-18 8:13 pm | N/A 2033-01-15 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 30,000 | $0 | 30,000 (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 |
2022-05-26 Option Award | 2022-05-27 4:00 pm | N/A 2032-05-26 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 20,000 | $0 | 20,000 (Direct) | View |
2022-01-06 Option Award | 2022-01-10 4:05 pm | N/A 2032-01-05 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 265,000 | $0 | 265,000 (Direct) | View |
2021-09-16 Option Award | 2021-09-20 4:25 pm | N/A 2031-09-16 | Gossamer Bio Inc. | GOSS | Giraudo Bryan COO/CFO | 150,000 | $0 | 150,000 (Direct) | View |
2021-05-27 Option Award | 2021-05-28 6:39 pm | N/A 2031-05-26 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 18,000 | $0 | 18,000 (Direct) | View |
2021-02-25 Option Award | 2021-03-01 4:50 pm | N/A 2031-02-25 | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 135,000 | $0 | 212,500 (Direct) | View |
2020-05-28 Option Award | 2020-05-29 6:12 pm | N/A 2030-05-27 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 15,000 | $0 | 15,000 (Direct) | View |
2020-02-14 Option Award | 2020-02-19 4:20 pm | N/A 2030-02-14 | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 118,000 | $0 | 144,000 (Direct) | View |
2019-06-07 Option Award | 2019-06-11 6:20 pm | N/A 2029-06-06 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 12,000 | $0 | 12,000 (Direct) | View |
2019-03-25 Option Award | 2019-03-26 6:45 pm | N/A 2029-03-25 | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 145,000 | $0 | 145,000 (Direct) | View |
2019-02-12 Conversion | 2019-02-12 5:33 pm | N/A N/A | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 98,337 | $0 | 23,879 (Direct) | View |
2019-02-07 Ownership | 2019-02-07 7:07 pm | N/A N/A | Gossamer Bio Inc. | GOSS | Giraudo Bryan Chief Financial Officer | 0 | $0 | 579,100 (Direct) | View |
2018-05-29 Option Award | 2018-06-12 6:39 pm | N/A 2028-05-28 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 12,000 | $0 | 12,000 (Direct) | View |
2018-05-15 Option Award | 2018-05-17 5:48 pm | N/A 2028-05-14 | Protagonist Therapeutics Inc | PTGX | Giraudo Bryan Director | 24,000 | $0 | 34,000 (Direct) | View |