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 |
2021-10-25 Sale |
2021-11-02 8:22 pm |
Sema4 Holdings Corp. | SMFR | Coffin James President and COO |
5,752 | $7.54 | $43,370 | 354,533 (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 |
2021-12-09 Option Award |
2021-12-13 7:09 pm |
N/A N/A |
Sema4 Holdings Corp. | SMFR | Coffin James President and COO |
1,959,804 | $0 | 259,804 (Direct) |
View |
2021-12-01 Tax Withholding |
2021-12-03 6:57 pm |
N/A N/A |
Sema4 Holdings Corp. | SMFR | Coffin James President and COO |
2,238 | $5.52 | 22,903 (Direct) |
View |
2021-12-01 Option Award |
2021-12-03 6:57 pm |
N/A N/A |
Sema4 Holdings Corp. | SMFR | Coffin James President and COO |
8,376 | $6.05 | 22,903 (Direct) |
View |
2021-10-25 Exercise |
2021-11-02 8:22 pm |
N/A N/A |
Sema4 Holdings Corp. | SMFR | Coffin James President and COO |
22,517 | $0 | 354,533 (Direct) |
View |
2021-10-01 Option Award |
2021-10-05 9:44 pm |
N/A 2031-09-30 |
Sema4 Holdings Corp. | SMFR | Coffin James President and COO |
600,475 | $0 | 600,475 (Direct) |
View |
2021-07-22 Option Award |
2021-07-26 6:53 pm |
N/A 2027-08-30 |
Sema4 Holdings Corp. | SMFR | Coffin James President and COO |
2,980,713 | $0 | 2,980,713 (Direct) |
View |