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 |
2025-03-15 Option Award |
2025-03-18 4:20 pm |
N/A N/A |
CARDINAL HEALTH INC | CAH | Musslewhite Robert W Director |
1,049 | $0 | 1,049 (Direct) |
View |
Ownership |
2025-03-11 4:10 pm |
N/A N/A |
CARDINAL HEALTH INC | CAH | Musslewhite Robert W Director |
0 | $0 | 0 (Direct) |
View |
2024-07-17 Option Award |
2024-08-05 4:13 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Musslewhite Robert W Director |
3,293 | $0 | 15,156 (Direct) |
View |
2024-01-07 Tax Withholding |
2024-01-09 4:30 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
14,207 | $9 | 1,201,638 (Direct) |
View |
2023-11-04 Tax Withholding |
2023-11-07 4:30 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
12,656 | $7.27 | 1,215,845 (Direct) |
View |
2023-10-30 Option Award |
2023-11-01 4:12 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Musslewhite Robert W Director |
3,532 | $0 | 11,863 (Direct) |
View |
2023-10-07 Tax Withholding |
2023-10-10 5:00 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
20,016 | $7.2 | 1,228,501 (Direct) |
View |
2023-08-04 Tax Withholding |
2023-08-08 4:30 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
12,657 | $11.31 | 1,248,517 (Direct) |
View |
2023-07-07 Tax Withholding |
2023-07-11 4:30 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
20,016 | $10.67 | 1,261,174 (Direct) |
View |
2023-05-04 Tax Withholding |
2023-05-08 4:15 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
53,587 | $9.9 | 1,281,190 (Direct) |
View |
2023-04-07 Tax Withholding |
2023-04-11 4:15 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
15,616 | $10.47 | 1,334,777 (Direct) |
View |
2023-02-16 Option Award |
2023-02-21 4:31 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
368,422 | $0 | 1,350,393 (Direct) |
View |
2023-01-07 Tax Withholding |
2023-01-10 4:15 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
14,026 | $10.41 | 981,971 (Direct) |
View |
2022-10-07 Tax Withholding |
2022-10-12 4:15 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Chief Executive Officer |
70,658 | $14.82 | 995,997 (Direct) |
View |
2022-09-14 Option Award |
2022-09-15 4:50 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Musslewhite Robert W Director |
3,380 | $0 | 8,331 (Direct) |
View |
2022-05-03 Option Award |
2022-05-05 5:15 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W President |
416,655 | $0 | 1,066,655 (Direct) |
View |
2021-10-07 Option Award |
2021-10-08 6:46 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W President |
650,000 | $0 | 650,000 (Direct) |
View |
2021-09-15 Option Award |
2021-09-17 4:26 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Musslewhite Robert W Director |
2,811 | $88.95 | 4,951 (Direct) |
View |
Ownership |
2021-09-15 8:20 pm |
N/A N/A |
Definitive Healthcare Corp. | DH | Musslewhite Robert W Director |
0 | $0 | 478,156 (Direct) |
View |
2020-09-24 Option Award |
2020-09-25 4:33 pm |
N/A N/A |
COSTAR GROUP INC. | CSGP | Musslewhite Robert W Director |
214 | $0 | 214 (Direct) |
View |