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 |
| 2022-07-08 Purchase | 2022-07-13 07:45 am | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr clirSPV LLC GPclirSPV LLC Princeton Opportunity Management LLC Director 10% Owner | 1,591,594 | $1.11 | $1,766,669 | 123,672 (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 |
| 2024-04-01 Option Award | 2024-04-02 5:34 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 20,408 | $0 | 224,311 (Direct) | View |
| 2024-02-01 Other | 2024-02-02 6:58 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr clirSPV LLC GPclirSPV LLC Princeton Opportunity Management LLC Director 10% Owner | 1,269,705 | $0 | 7,570,081 (Indirect) | View |
| 2024-01-02 Option Award | 2024-01-03 4:31 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 18,691 | $0 | 203,903 (Direct) | View |
| 2023-10-02 Option Award | 2023-10-04 5:30 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 19,047 | $0 | 185,212 (Direct) | View |
| 2023-07-03 Option Award | 2023-07-06 3:48 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 14,705 | $0 | 166,165 (Direct) | View |
| 2023-04-03 Option Award | 2023-04-04 6:02 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 25,062 | $0 | 151,460 (Direct) | View |
| 2023-01-03 Option Award | 2023-01-04 8:20 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 37,278 | $0 | 312,898 (Direct) | View |
| 2022-10-03 Option Award | 2022-10-04 4:33 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 20,946 | $0 | 275,620 (Direct) | View |
| 2022-07-01 Option Award | 2022-07-07 06:03 am | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 15,873 | $0 | 254,674 (Direct) | View |
| 2022-04-01 Option Award | 2022-04-04 6:28 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 12,121 | $0 | 238,801 (Direct) | View |
| 2022-01-03 Option Award | 2022-01-05 9:41 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 13,888 | $0 | 226,680 (Direct) | View |
| 2021-11-16 Option Award | 2021-11-18 6:56 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 12,500 | $0 | 212,792 (Direct) | View |
| 2021-08-24 Option Award | 2021-08-26 4:39 pm | N/A N/A | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 13,792 | $0 | 200,292 (Direct) | View |
| 2021-01-22 Option Award | 2021-01-25 5:56 pm | 2021-04-01 2031-01-21 | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 20,000 | $0 | 186,500 (Direct) | View |
| 2020-11-19 Option Award | 2020-11-23 4:02 pm | 2020-11-19 2030-11-18 | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 20,000 | $0 | 166,500 (Direct) | View |
| 2020-08-18 Option Award | 2020-08-20 4:50 pm | 2020-08-18 2030-08-17 | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 20,000 | $0 | 146,500 (Direct) | View |
| 2020-05-18 Option Award | 2020-05-20 4:30 pm | 2020-05-18 2030-05-18 | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 20,000 | $0 | 126,500 (Direct) | View |
| 2020-04-01 Option Award | 2020-04-03 6:33 pm | 2020-04-01 2030-04-01 | ClearSign Technologies Corp | CLIR | HOFFMAN Robert Thurston Sr Director | 20,000 | $0 | 106,500 (Direct) | View |
| 2019-05-09 Option Award(A) | 2019-10-31 4:31 pm | N/A 2029-04-01 | CLEARSIGN COMBUSTION CORP | CLIR | HOFFMAN Robert Thurston Sr Director | 86,500 | $0 | 86,500 (Direct) | View |
| 2019-06-30 Option Award | 2019-07-03 5:23 pm | 2019-06-30 2029-04-01 | CLEARSIGN COMBUSTION CORP | CLIR | HOFFMAN Robert Thurston Sr Director | 21,625 | $0 | 43,250 (Direct) | View |
| 2019-05-09 Option Award | 2019-05-13 6:46 pm | N/A 2029-04-01 | CLEARSIGN COMBUSTION CORP | CLIR | HOFFMAN Robert Thurston Sr Director | 21,625 | $0 | 21,625 (Direct) | View |