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>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2024-08-13 Option Award |
2024-08-15 3:13 pm |
2024-08-13 2034-08-13 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
300,000 | $0 | 4,625,786 (Direct) |
View |
2024-06-23 Option Award |
2024-06-25 5:59 pm |
2024-06-23 2034-06-23 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
700,000 | $0 | 4,325,786 (Direct) |
View |
2023-07-17 Option Award |
2023-07-19 1:10 pm |
2023-07-17 2033-07-17 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
500,000 | $0 | 4,189,893 (Direct) |
View |
2023-03-21 Option Award |
2023-03-27 6:32 pm |
2023-03-21 2033-03-21 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
300,000 | $0 | 4,331,500 (Direct) |
View |
2022-12-28 Option Award |
2023-01-03 12:48 pm |
2022-12-28 2032-12-28 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
205,000 | $0 | 4,031,500 (Direct) |
View |
2022-06-30 Option Award |
2022-07-05 5:35 pm |
2022-06-30 2032-06-30 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
150,000 | $0 | 4,236,500 (Direct) |
View |
2022-03-31 Option Award |
2022-04-04 5:11 pm |
2022-03-31 2032-03-31 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
127,500 | $0 | 4,086,500 (Direct) |
View |
2022-03-22 Option Award |
2022-03-28 9:27 pm |
2022-03-22 2032-03-22 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
300,000 | $0 | 3,959,000 (Direct) |
View |
2021-03-18 Option Award |
2021-05-24 8:19 pm |
2021-03-18 2031-03-18 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
332,500 | $0 | 10,914,500 (Direct) |
View |
2020-12-31 Option Award |
2021-01-05 4:01 pm |
2020-12-31 2030-12-31 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
7,500 | $0 | 3,588,286 (Direct) |
View |
2020-10-08 Option Award |
2020-10-08 6:42 pm |
2020-10-08 2030-09-30 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
52,500 | $0 | 7,071,572 (Direct) |
View |
2020-09-30 Option Award |
2020-10-02 5:14 pm |
2020-09-30 2030-09-30 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
5,000 | $0 | 3,618,286 (Direct) |
View |
2020-06-30 Option Award |
2020-07-02 8:08 pm |
2020-06-30 2030-06-30 |
BIOLARGO INC. | BLGO | DARGAN CHARLES K Chief Financial Officer |
5,000 | $0 | 3,633,286 (Direct) |
View |