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 |
Ownership | 2018-08-06 6:46 pm | N/A N/A | CLEARSIGN COMBUSTION CORP | CLIR | GPclirSPV LLC Princeton Opportunity Management LLC 10% Owner | 0 | $0 | 5,692,397 (Indirect) | View |