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 |
2021-11-11 Sale |
2021-11-15 4:47 pm |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
21,554 | $39.56 | $852,767 | 278,969 (Direct) |
View |
2021-10-01 Sale |
2021-10-04 5:52 pm |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
19,354 | $33.51 | $648,582 | 300,523 (Direct) |
View |
2021-09-01 Sale |
2021-09-02 4:34 pm |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
19,354 | $33.78 | $653,775 | 319,877 (Direct) |
View |
2021-08-11 Sale |
2021-08-13 5:06 pm |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
19,354 | $27.54 | $533,009 | 339,231 (Direct) |
View |
2021-07-01 Sale |
2021-07-06 4:36 pm |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
19,354 | $28.03 | $542,493 | 358,585 (Direct) |
View |
2021-06-14 Sale |
2021-06-15 12:26 pm |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
19,354 | $27.59 | $533,906 | 372,444 (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 |
2025-04-01 Tax Withholding |
2025-04-03 4:44 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, PREDICTIVE TECH |
15,846 | $9.9 | 335,282 (Direct) |
View |
2025-04-01 Exercise |
2025-04-03 4:44 pm |
N/A 2025-04-01 |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, PREDICTIVE TECH |
26,626 | $0 | 335,282 (Direct) |
View |
2025-04-01 Option Award |
2025-04-03 4:44 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, PREDICTIVE TECH |
7,082 | $0 | 335,282 (Direct) |
View |
2024-07-01 Tax Withholding |
2024-07-02 4:24 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SCIENTIFIC SOFTWARE |
862 | $13.85 | 289,314 (Direct) |
View |
2024-04-01 Tax Withholding |
2024-04-03 5:00 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT; SCIENTIFIC SOFTWARE |
10,625 | $17.88 | 344,908 (Direct) |
View |
2024-04-01 Exercise |
2024-04-03 5:00 pm |
N/A 2025-04-01 |
Certara Inc. | CERT | Aspbury Robert PRESIDENT; SCIENTIFIC SOFTWARE |
16,498 | $0 | 344,908 (Direct) |
View |
2024-04-01 Option Award |
2024-04-03 5:00 pm |
N/A 2027-04-01 |
Certara Inc. | CERT | Aspbury Robert PRESIDENT; SCIENTIFIC SOFTWARE |
30,381 | $0 | 344,908 (Direct) |
View |
2024-03-05 Tax Withholding |
2024-03-06 4:26 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT; SCIENTIFIC SOFTWARE |
7,311 | $18.88 | 284,303 (Direct) |
View |
2024-03-05 Option Award |
2024-03-06 4:26 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT; SCIENTIFIC SOFTWARE |
15,549 | $0 | 284,303 (Direct) |
View |
2023-06-30 Tax Withholding |
2023-07-03 5:51 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
862 | $18.19 | 276,065 (Direct) |
View |
2023-03-31 Tax Withholding |
2023-04-03 4:42 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
6,934 | $23.8 | 317,776 (Direct) |
View |
2023-03-31 Exercise |
2023-04-03 4:42 pm |
N/A 2025-04-01 |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
32,202 | $0 | 317,776 (Direct) |
View |
2022-07-01 Tax Withholding |
2022-07-05 4:49 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
884 | $21.46 | 275,215 (Direct) |
View |
2022-04-01 Tax Withholding |
2022-04-05 4:52 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
2,870 | $21.48 | 302,038 (Direct) |
View |
2022-04-01 Option Award |
2022-04-05 4:52 pm |
N/A 2025-04-01 |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
25,939 | $0 | 302,038 (Direct) |
View |
2021-07-01 Option Award |
2021-07-01 5:46 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert PRESIDENT, SIMCYP |
5,495 | $0 | 377,939 (Direct) |
View |
2021-04-01 Option Award |
2021-04-09 4:21 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert President, Simcyp |
18,315 | $0 | 391,798 (Direct) |
View |
Ownership |
2020-12-11 8:58 pm |
N/A N/A |
Certara Inc. | CERT | Aspbury Robert President, Simcyp |
0 | $0 | 373,483 (Direct) |
View |