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 |
2023-12-31 Option Award |
2024-01-03 7:55 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
50,557 | $0.168 | 9,860,044 (Direct) |
View |
2023-07-24 Option Award |
2023-07-26 6:55 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
50,553 | $0.179 | 9,809,487 (Direct) |
View |
2022-10-03 Option Award |
2022-10-05 8:45 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
100,549 | $0.27 | 9,758,934 (Direct) |
View |
2022-07-07 Option Award |
2022-07-08 11:14 am |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
156,111 | $0.18 | 9,658,385 (Direct) |
View |
2021-12-30 Gift |
2021-12-30 6:42 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
156,000 | $0 | 9,502,274 (Direct) |
View |
2021-04-01 Option Award |
2021-04-05 4:08 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
61,758 | $0.2275 | 9,658,274 (Direct) |
View |
2020-12-31 Gift |
2021-01-04 7:26 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
225,000 | $0 | 9,596,516 (Direct) |
View |
2020-12-31 Option Award |
2021-01-04 7:26 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
316,260 | $0.12 | 9,596,516 (Direct) |
View |
2020-10-06 Option Award |
2020-10-08 6:13 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
164,331 | $0.15 | 9,505,256 (Direct) |
View |
2020-09-30 Option Award |
2020-10-02 4:56 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
164,331 | $0.15 | 9,505,256 (Direct) |
View |
2020-06-30 Option Award |
2020-07-02 7:47 pm |
N/A N/A |
BIOLARGO INC. | BLGO | CALVERT DENNIS P President |
200,929 | $0.16 | 9,340,925 (Direct) |
View |