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 |
| 2021-06-18 Purchase | 2021-06-21 4:26 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 7,224 | $6.04 | $43,633 | 815,734 (Direct) | View |
| 2021-06-16 Purchase | 2021-06-17 4:33 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 3,578 | $6.18 | $22,112 | 808,510 (Direct) | View |
| 2021-05-18 Purchase | 2021-05-19 4:15 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 25,001 | $6.97 | $174,257 | 1,010,303 (Indirect Direct) | View |
| 2021-03-29 Purchase | 2021-03-31 8:12 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 33,220 | $11.16 | $370,673 | 985,302 (Indirect Direct) | View |
| 2021-03-25 Purchase | 2021-03-29 4:20 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 13,520 | $12.3 | $166,275 | 952,082 (Indirect Direct) | View |
| 2021-01-27 Purchase | 2021-01-28 4:05 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 1,701 | $13.05 | $22,198 | 938,562 (Indirect Direct) | View |
| 2021-01-19 Purchase | 2021-01-21 5:17 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 500 | $13.09 | $6,545 | 936,861 (Indirect Direct) | View |
| 2020-12-29 Purchase | 2020-12-31 4:20 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 443 | $14.16 | $6,273 | 936,361 (Indirect Direct) | View |
| 2020-12-22 Purchase | 2020-12-23 4:13 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 5,103 | $14.64 | $74,708 | 935,918 (Indirect Direct) | View |
| 2020-12-15 Purchase | 2020-12-17 5:21 pm | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 4,847 | $14.62 | $70,858 | 930,815 (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 |
| 2021-05-28 Other | 2021-06-01 6:44 pm | N/A N/A | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 68,457 | $0 | 1,010,303 (Indirect) | View |
Ownership | 2020-08-06 9:16 pm | N/A N/A | Checkmate Pharmaceuticals Inc. | CMPI | Krieg Arthur M Chief Scientific Officer | 0 | $0 | 925,968 (Direct) | View |