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 |
2021-07-29 Sale |
2021-08-02 1:24 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
20,000 | $47.14 | $942,705 | 4,436,112 (Direct) |
View |
2021-06-24 Sale |
2021-06-28 2:27 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $53.34 | $1,280,109 | 4,456,112 (Direct) |
View |
2021-05-24 Sale |
2021-05-26 4:05 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $51.72 | $1,241,168 | 4,480,112 (Direct) |
View |
2021-04-26 Sale |
2021-04-27 4:01 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $68.54 | $1,644,846 | 4,503,835 (Direct) |
View |
2021-03-25 Sale(A) |
2021-04-01 8:19 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $60.04 | $1,441,001 | 4,527,835 (Direct) |
View |
2021-03-25 Sale |
2021-03-25 6:24 pm |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $60.04 | $1,440,960 | 4,527,835 (Direct) |
View |
2021-02-22 Sale(A) |
2021-02-23 09:36 am |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $73.01 | $1,752,240 | 4,551,835 (Direct) |
View |
2021-02-11 Sale |
2021-02-12 4:02 pm |
Simulations Plus Inc. | SLP | Ralph David L. Director |
5,000 | $84.34 | $421,700 | 11,802 (Direct) |
View |
2021-02-02 Sale |
2021-02-04 4:01 pm |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
5,217 | $80.9 | $422,055 | 2,879 (Direct) |
View |
2021-01-27 Sale |
2021-01-29 8:55 pm |
SIMULATIONS PLUS INC | SLP | Paglia John Kenneth Director |
17,068 | $79.88 | $1,363,457 | 6,000 (Direct) |
View |
2021-01-27 Sale |
2021-01-29 4:44 pm |
SIMULATIONS PLUS INC | SLP | DiBella John Anthony II Division President |
2,360 | $80 | $188,800 | 44,840 (Direct) |
View |
2021-01-27 Sale |
2021-01-28 5:28 pm |
SIMULATIONS PLUS INC | SLP | LaVange Lisa Director |
500 | $78.73 | $39,368 | 2,164 (Direct) |
View |
2021-01-25 Sale |
2021-01-25 4:15 pm |
SIMULATIONS PLUS INC | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $76.43 | $1,834,320 | 4,575,614 (Direct) |
View |
2021-01-20 Sale |
2021-01-20 9:54 pm |
SIMULATIONS PLUS INC | SLP | Ralph David L. Director |
3,750 | $72.99 | $273,713 | 51,912 (Direct) |
View |
2020-12-23 Sale |
2020-12-23 6:22 pm |
SIMULATIONS PLUS INC | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
24,000 | $72.71 | $1,745,040 | 4,659,614 (Direct) |
View |
2020-11-30 Sale |
2020-12-02 4:10 pm |
SIMULATIONS PLUS INC | SLP | Ralph David L. Director |
5,000 | $55.65 | $278,243 | 35,331 (Direct) |
View |
2020-11-30 Sale |
2020-11-30 6:31 pm |
SIMULATIONS PLUS INC | SLP | OCONNOR SHAWN Chief Executive Officer |
6,381 | $56.5 | $360,527 | 65,000 (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 |
2021-08-11 Option Award |
2021-08-13 2:47 pm |
N/A N/A |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
371 | $0 | 3,033 (Direct) |
View |
2021-08-11 Option Award |
2021-08-13 2:46 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Paglia John Kenneth Director |
371 | $0 | 869 (Direct) |
View |
2021-08-11 Option Award |
2021-08-13 2:44 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Ralph David L. Director |
371 | $0 | 12,450 (Direct) |
View |
2021-08-11 Option Award |
2021-08-13 2:42 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
371 | $0 | 3,527 (Direct) |
View |
2021-05-03 Option Award |
2021-05-04 7:58 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
277 | $0 | 4,504,112 (Direct) |
View |
2021-05-03 Option Award |
2021-05-04 7:58 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
277 | $0 | 3,156 (Direct) |
View |
2021-05-03 Option Award |
2021-05-04 7:57 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Ralph David L. Director |
277 | $0 | 12,079 (Direct) |
View |
2021-05-03 Option Award |
2021-05-04 7:57 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Paglia John Kenneth Director |
277 | $0 | 498 (Direct) |
View |
2021-05-03 Option Award |
2021-05-04 7:57 pm |
N/A N/A |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
277 | $0 | 2,662 (Direct) |
View |
Ownership |
2021-05-03 4:05 pm |
N/A 2029-07-18 |
Simulations Plus Inc. | SLP | Nguyen Nguyen VP of Human Resources |
0 | $0 | 14,000 (Direct) |
View |
2021-02-01 Option Award(A) |
2021-02-10 10:32 am |
N/A N/A |
Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
221 | $79.14 | 4,575,835 (Direct) |
View |
2021-02-01 Option Award |
2021-02-03 4:03 pm |
N/A N/A |
Simulations Plus Inc. | SLP | WEINER DANIEL L Director |
221 | $0 | 8,096 (Direct) |
View |
2021-02-01 Option Award |
2021-02-03 4:03 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Ralph David L. Director |
221 | $0 | 16,802 (Direct) |
View |
2021-02-01 Option Award |
2021-02-03 4:02 pm |
N/A N/A |
Simulations Plus Inc. | SLP | Paglia John Kenneth Director |
221 | $0 | 221 (Direct) |
View |
2021-02-01 Option Award |
2021-02-03 4:02 pm |
N/A N/A |
Simulations Plus Inc. | SLP | LaVange Lisa Director |
221 | $0 | 2,385 (Direct) |
View |
2021-02-01 Option Award |
2021-02-02 10:54 am |
N/A N/A |
SIMULATIONS PLUS INC | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
221 | $79.14 | 4,707,835 (Direct) |
View |
2021-01-27 Tax Withholding |
2021-01-29 8:55 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | Paglia John Kenneth Director |
3,240 | $80.18 | 6,000 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 8:55 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | Paglia John Kenneth Director |
4,000 | $34.23 | 6,000 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 8:55 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | Paglia John Kenneth Director |
5,000 | $8.62 | 6,000 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 8:55 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | Paglia John Kenneth Director |
3,750 | $14.5 | 6,000 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 8:55 pm |
N/A 2025-08-31 |
SIMULATIONS PLUS INC | SLP | Paglia John Kenneth Director |
16,500 | $0 | 6,000 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 8:55 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | Paglia John Kenneth Director |
3,750 | $6.75 | 6,000 (Direct) |
View |
2021-01-27 Tax Withholding |
2021-01-29 4:58 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | WEINER DANIEL L Director |
1,783 | $80.18 | 13,875 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 4:58 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | WEINER DANIEL L Director |
4,000 | $34.23 | 13,875 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 4:58 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | WEINER DANIEL L Director |
416 | $14.5 | 13,875 (Direct) |
View |
2021-01-27 Exercise |
2021-01-29 4:58 pm |
N/A 2027-08-31 |
SIMULATIONS PLUS INC | SLP | WEINER DANIEL L Director |
4,416 | $0 | 13,875 (Direct) |
View |
2020-12-07 Option Award |
2021-01-29 4:43 pm |
N/A 2030-12-06 |
SIMULATIONS PLUS INC | SLP | DiBella John Anthony II Division President |
9,300 | $0 | 9,300 (Direct) |
View |
2021-01-19 Exercise |
2021-01-20 9:54 pm |
N/A 2029-07-19 |
SIMULATIONS PLUS INC | SLP | Ralph David L. Director |
3,750 | $14.5 | 51,912 (Direct) |
View |
2021-01-19 Exercise |
2021-01-20 9:53 pm |
N/A 2029-07-19 |
SIMULATIONS PLUS INC | SLP | LaVange Lisa Director |
1,000 | $72.46 | 11,664 (Direct) |
View |
2020-12-31 Gift |
2020-12-31 4:38 pm |
N/A N/A |
SIMULATIONS PLUS INC | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner |
60,000 | $71.92 | 4,599,614 (Direct) |
View |
2020-12-01 Option Award |
2020-12-02 5:22 pm |
N/A 2030-12-01 |
SIMULATIONS PLUS INC | SLP | FREDERICK WILLIAM W CFO |
20,000 | $0 | 20,000 (Direct) |
View |