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 |
2025-04-01 Sale |
2025-04-02 4:20 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $24.09 | $481,786 | 3,363,371 (Direct) |
View |
2025-03-03 Sale |
2025-03-04 5:08 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $28.68 | $573,600 | 3,383,371 (Direct) |
View |
2025-02-03 Sale |
2025-02-04 5:33 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $33.91 | $678,243 | 3,403,371 (Direct) |
View |
2025-01-02 Sale |
2025-01-03 4:36 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $27.88 | $557,662 | 3,422,584 (Direct) |
View |
2024-12-27 Sale |
2024-12-30 4:17 pm |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
750 | $28.5 | $21,375 | 7,236 (Direct) |
View |
2024-12-02 Sale |
2024-12-03 5:35 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $31.76 | $635,200 | 3,442,584 (Direct) |
View |
2024-12-02 Sale |
2024-12-03 5:32 pm |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
650 | $31.88 | $20,722 | 7,150 (Direct) |
View |
2024-11-01 Sale |
2024-11-05 08:02 am |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $27.66 | $553,200 | 3,462,584 (Direct) |
View |
2024-10-01 Sale |
2024-10-02 4:34 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $31.26 | $625,200 | 3,481,592 (Direct) |
View |
2024-09-27 Sale |
2024-10-01 4:30 pm |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
750 | $31.54 | $23,655 | 6,994 (Direct) |
View |
2024-09-03 Sale |
2024-09-04 4:11 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $35.18 | $703,677 | 3,501,592 (Direct) |
View |
2024-09-03 Sale |
2024-09-04 4:09 pm |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
650 | $35.95 | $23,368 | 6,808 (Direct) |
View |
2024-08-01 Sale |
2024-08-02 4:19 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $39.63 | $792,547 | 3,521,592 (Direct) |
View |
2024-07-01 Sale |
2024-07-02 4:10 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $46.71 | $934,227 | 3,540,857 (Direct) |
View |
2024-06-28 Sale |
2024-07-01 4:24 pm |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
750 | $49.32 | $36,990 | 7,009 (Direct) |
View |
2024-06-03 Sale |
2024-06-04 5:04 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $46.25 | $924,978 | 3,560,857 (Direct) |
View |
2024-06-03 Sale |
2024-06-04 5:03 pm |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
650 | $48.26 | $31,369 | 6,723 (Direct) |
View |
2024-05-14 Sale |
2024-05-15 4:56 pm |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
500 | $50 | $25,000 | 7,373 (Direct) |
View |
2024-05-14 Sale |
2024-05-15 4:53 pm |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
3,000 | $50.13 | $150,390 | 9,759 (Direct) |
View |
2024-05-07 Sale |
2024-05-08 4:42 pm |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
3,250 | $48.31 | $157,008 | 12,759 (Direct) |
View |
2024-05-07 Sale |
2024-05-08 4:39 pm |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
650 | $48.3 | $31,395 | 7,873 (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 |
2025-02-03 Option Award |
2025-02-04 5:41 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Paglia John Kenneth Director |
787 | $0 | 6,065 (Direct) |
View |
2025-02-03 Option Award |
2025-02-04 5:39 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
787 | $0 | 8,023 (Direct) |
View |
2025-02-03 Option Award |
2025-02-04 5:38 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Evans Sharlene Director |
787 | $0 | 8,649 (Direct) |
View |
2025-02-03 Option Award |
2025-02-04 5:36 pm |
N/A N/A |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
787 | $0 | 7,937 (Direct) |
View |
2025-02-03 Option Award |
2025-02-04 5:33 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
787 | $0 | 3,403,371 (Direct) |
View |
2024-11-01 Option Award |
2024-11-05 08:04 am |
N/A N/A |
Simulations Plus Inc. | SLP | Paglia John Kenneth Director |
992 | $0 | 5,278 (Direct) |
View |
2024-11-01 Option Award |
2024-11-05 08:04 am |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
992 | $0 | 7,986 (Direct) |
View |
2024-11-01 Option Award |
2024-11-05 08:03 am |
N/A N/A |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
992 | $0 | 7,800 (Direct) |
View |
2024-11-01 Option Award |
2024-11-05 08:03 am |
N/A N/A |
Simulations Plus Inc. | SLP | Evans Sharlene Director |
992 | $0 | 7,862 (Direct) |
View |
2024-11-01 Option Award |
2024-11-05 08:02 am |
N/A N/A |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
992 | $0 | 3,462,584 (Direct) |
View |
2024-10-17 Option Award |
2024-10-21 4:48 pm |
N/A 2034-10-16 |
Simulations Plus Inc. | SLP | OCONNOR SHAWN Chief Executive Officer |
32,500 | $0 | 32,500 (Direct) |
View |
2024-10-17 Option Award |
2024-10-21 4:46 pm |
N/A 2034-10-16 |
Simulations Plus Inc. | SLP | FREDERICK WILLIAM W CFO/COO |
10,000 | $0 | 10,000 (Direct) |
View |
2024-10-17 Option Award |
2024-10-21 4:45 pm |
N/A 2034-10-16 |
Simulations Plus Inc. | SLP | Fiedler-Kelly Jill Business Unit President |
7,500 | $0 | 7,500 (Direct) |
View |
2024-10-17 Option Award |
2024-10-21 4:43 pm |
N/A 2034-10-16 |
Simulations Plus Inc. | SLP | Szot Daniel Chief Revenue Officer |
7,500 | $0 | 7,500 (Direct) |
View |
2024-10-17 Option Award |
2024-10-21 4:42 pm |
N/A 2034-10-16 |
Simulations Plus Inc. | SLP | DiBella John Anthony II Business Unit President |
7,500 | $0 | 7,500 (Direct) |
View |
2024-09-09 Exercise |
2024-09-10 4:45 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Fiedler-Kelly Jill Business Unit President |
2,250 | $9.71 | 77,817 (Direct) |
View |
2024-09-09 Exercise |
2024-09-10 4:45 pm |
N/A 2026-02-25 |
Simulations Plus Inc. | SLP | Fiedler-Kelly Jill Business Unit President |
2,250 | $0 | 77,817 (Direct) |
View |
2024-08-01 Option Award |
2024-08-02 4:25 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Paglia John Kenneth Director |
735 | $0 | 4,286 (Direct) |
View |
2024-08-01 Option Award |
2024-08-02 4:24 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
735 | $0 | 7,744 (Direct) |
View |
2024-08-01 Option Award |
2024-08-02 4:22 pm |
N/A N/A |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
735 | $0 | 7,458 (Direct) |
View |
2024-08-01 Option Award |
2024-08-02 4:21 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Evans Sharlene Director |
735 | $0 | 6,870 (Direct) |
View |
2024-08-01 Option Award |
2024-08-02 4:19 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
735 | $0 | 3,521,592 (Direct) |
View |
2024-05-14 Exercise |
2024-05-15 4:53 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
2,000 | $34.23 | 9,759 (Direct) |
View |
2024-05-14 Exercise |
2024-05-15 4:53 pm |
N/A 2029-07-18 |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
2,000 | $0 | 9,759 (Direct) |
View |
2024-05-07 Exercise |
2024-05-08 4:42 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
2,000 | $34.23 | 12,759 (Direct) |
View |
2024-05-07 Exercise |
2024-05-08 4:42 pm |
N/A 2029-07-18 |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
2,000 | $0 | 12,759 (Direct) |
View |