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 |
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 |
2024-03-18 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 |
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 |
2023-03-16 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 |
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 |
2022-06-22 Sale |
2022-06-23 6:47 pm |
Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer |
1,778 | $6.88 | $12,233 | 212,436 (Indirect Direct) |
View |
2022-03-16 Sale |
2022-03-17 4:58 pm |
Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer |
6,278 | $8.279 | $51,976 | 214,214 (Indirect Direct) |
View |
2021-10-25 Sale |
2021-10-26 4:58 pm |
Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer |
2,377 | $12.25 | $29,118 | 219,971 (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 |
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 |
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 |
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 |
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 |
2023-03-20 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 |
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 |
2022-01-06 Option Award |
2022-01-10 4:09 pm |
N/A 2032-01-05 |
Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer |
190,000 | $0 | 190,000 (Direct) |
View |
2021-06-21 Option Award |
2021-06-22 8:13 pm |
N/A 2031-06-21 |
Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer |
45,000 | $0 | 249,809 (Direct) |
View |
Ownership |
2021-06-22 8:10 pm |
N/A N/A |
Gossamer Bio Inc. | GOSS | Aranda Richard Chief Medical Officer |
0 | $0 | 398,939 (Direct) |
View |