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 |
2023-05-30 Sale | 2023-05-31 4:28 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $46.05 | $921,074 | 3,856,458 (Direct) | View |
2023-04-26 Sale | 2023-04-27 5:16 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $41.52 | $830,441 | 3,875,739 (Direct) | View |
2023-03-29 Sale | 2023-03-30 4:23 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $42.81 | $856,197 | 3,895,739 (Direct) | View |
2023-03-02 Sale | 2023-03-06 4:37 pm | Simulations Plus Inc. | SLP | DiBella John Anthony II Division President | 28,794 | $38.72 | $1,114,914 | 144,694 (Direct) | View |
2023-02-24 Sale | 2023-02-27 07:54 am | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $38.04 | $760,756 | 3,915,739 (Direct) | View |
2023-01-27 Sale | 2023-01-31 5:48 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $39.71 | $794,125 | 3,935,010 (Direct) | View |
2022-12-28 Sale | 2022-12-29 4:03 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $36.15 | $722,979 | 3,955,010 (Direct) | View |
2022-11-28 Sale | 2022-11-29 4:05 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $39.89 | $797,809 | 4,070,010 (Direct) | View |
2022-10-27 Sale | 2022-10-31 4:48 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $41.64 | $832,767 | 4,089,307 (Direct) | View |
2022-09-28 Sale | 2022-09-29 4:25 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $49.55 | $990,953 | 4,077,907 (Direct) | View |
2022-08-29 Sale | 2022-08-31 4:30 pm | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 20,000 | $61.41 | $1,228,270 | 4,097,907 (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 |
2023-05-01 Option Award | 2023-05-02 5:54 pm | N/A N/A | Simulations Plus Inc. | SLP | LaVange Lisa Director | 719 | $0 | 6,608 (Direct) | View |
2023-05-01 Option Award | 2023-05-02 5:52 pm | N/A N/A | Simulations Plus Inc. | SLP | WEINER DANIEL L Director | 719 | $0 | 7,102 (Direct) | View |
2023-05-01 Option Award | 2023-05-02 5:50 pm | N/A N/A | Simulations Plus Inc. | SLP | Paglia John Kenneth Director | 719 | $0 | 3,844 (Direct) | View |
2023-05-01 Option Award | 2023-05-02 5:48 pm | N/A N/A | Simulations Plus Inc. | SLP | Evans Sharlene Director | 719 | $0 | 3,228 (Direct) | View |
2023-05-01 Option Award | 2023-05-02 5:46 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 719 | $0 | 3,876,458 (Direct) | View |
2023-04-03 Exercise | 2023-04-04 4:17 pm | N/A N/A | Simulations Plus Inc. | SLP | Fiedler-Kelly Jill President, Cognigen Division | 500 | $6.85 | 66,617 (Direct) | View |
2023-04-03 Exercise | 2023-04-04 4:17 pm | N/A 2024-09-24 | Simulations Plus Inc. | SLP | Fiedler-Kelly Jill President, Cognigen Division | 500 | $0 | 66,617 (Direct) | View |
2023-03-23 Exercise | 2023-03-24 4:14 pm | N/A N/A | Simulations Plus Inc. | SLP | DiBella John Anthony II Division President | 35,000 | $6.85 | 79,840 (Direct) | View |
2023-03-23 Exercise | 2023-03-24 4:14 pm | N/A 2024-08-28 | Simulations Plus Inc. | SLP | DiBella John Anthony II Division President | 35,000 | $0 | 79,840 (Direct) | View |
2023-03-02 Exercise | 2023-03-06 9:15 pm | N/A N/A | Simulations Plus Inc. | SLP | FREDERICK WILLIAM W CFO | 1,875 | $37.89 | 7,500 (Direct) | View |
2023-03-02 Exercise | 2023-03-06 9:15 pm | N/A 2031-10-21 | Simulations Plus Inc. | SLP | FREDERICK WILLIAM W CFO | 1,875 | $0 | 7,500 (Direct) | View |
2023-03-02 Exercise | 2023-03-06 4:37 pm | N/A N/A | Simulations Plus Inc. | SLP | DiBella John Anthony II Division President | 15,000 | $6.85 | 144,694 (Direct) | View |
2023-03-02 Exercise | 2023-03-06 4:37 pm | N/A N/A | Simulations Plus Inc. | SLP | DiBella John Anthony II Division President | 13,794 | $10.05 | 144,694 (Direct) | View |
2023-03-02 Exercise | 2023-03-06 4:37 pm | N/A 2024-08-28 | Simulations Plus Inc. | SLP | DiBella John Anthony II Division President | 28,794 | $0 | 144,694 (Direct) | View |
2023-02-01 Option Award | 2023-02-02 4:37 pm | N/A N/A | Simulations Plus Inc. | SLP | LaVange Lisa Director | 729 | $0 | 5,889 (Direct) | View |
2023-02-01 Option Award | 2023-02-02 4:36 pm | N/A N/A | Simulations Plus Inc. | SLP | WEINER DANIEL L Director | 729 | $0 | 6,383 (Direct) | View |
2023-02-01 Option Award | 2023-02-02 4:35 pm | N/A N/A | Simulations Plus Inc. | SLP | Evans Sharlene Director | 729 | $0 | 2,509 (Direct) | View |
2023-02-01 Option Award | 2023-02-02 4:34 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 729 | $0 | 3,935,739 (Direct) | View |
2023-02-01 Option Award | 2023-02-02 4:33 pm | N/A N/A | Simulations Plus Inc. | SLP | Paglia John Kenneth Director | 729 | $0 | 3,125 (Direct) | View |
2022-12-12 Gift | 2022-12-13 6:23 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 95,000 | $0 | 3,975,010 (Direct) | View |
2022-11-11 Option Award | 2022-11-14 4:25 pm | N/A N/A | Simulations Plus Inc. | SLP | Evans Sharlene Director | 703 | $0 | 1,780 (Direct) | View |
2022-11-11 Option Award | 2022-11-14 4:24 pm | N/A N/A | Simulations Plus Inc. | SLP | LaVange Lisa Director | 703 | $0 | 5,160 (Direct) | View |
2022-11-11 Option Award | 2022-11-14 4:23 pm | N/A N/A | Simulations Plus Inc. | SLP | Paglia John Kenneth Director | 703 | $0 | 2,396 (Direct) | View |
2022-11-11 Option Award | 2022-11-14 4:20 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 703 | $0 | 4,090,010 (Direct) | View |
2022-11-11 Option Award | 2022-11-14 4:16 pm | N/A N/A | Simulations Plus Inc. | SLP | WEINER DANIEL L Director | 703 | $0 | 5,654 (Direct) | View |
2022-10-20 Option Award | 2022-10-24 7:07 pm | N/A 2032-10-19 | Simulations Plus Inc. | SLP | OCONNOR SHAWN Chief Executive Officer | 50,000 | $0 | 50,000 (Direct) | View |
2022-10-20 Option Award | 2022-10-24 7:06 pm | N/A 2032-10-19 | Simulations Plus Inc. | SLP | Fiedler-Kelly Jill President, Cognigen Division | 15,000 | $0 | 15,000 (Direct) | View |
2022-10-20 Option Award | 2022-10-24 7:05 pm | N/A 2032-10-19 | Simulations Plus Inc. | SLP | FREDERICK WILLIAM W CFO | 20,000 | $0 | 20,000 (Direct) | View |
2022-10-20 Option Award | 2022-10-24 7:04 pm | N/A 2032-10-19 | Simulations Plus Inc. | SLP | DiBella John Anthony II Division President | 15,000 | $0 | 15,000 (Direct) | View |
2022-10-20 Option Award | 2022-10-24 7:02 pm | N/A 2032-10-19 | Simulations Plus Inc. | SLP | Howell Brett President, DILIsym Division | 15,000 | $0 | 15,000 (Direct) | View |
2022-10-11 Exercise | 2022-10-12 7:43 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 12,000 | $22.24 | 4,208,307 (Direct) | View |
2022-10-11 Exercise | 2022-10-12 7:43 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 3,600 | $9.82 | 4,208,307 (Direct) | View |
2022-10-11 Exercise | 2022-10-12 7:43 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 3,600 | $10.01 | 4,208,307 (Direct) | View |
2022-10-11 Exercise | 2022-10-12 7:43 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 7,200 | $17.71 | 4,208,307 (Direct) | View |
2022-10-11 Exercise | 2022-10-12 7:43 pm | N/A 2026-11-30 | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 31,400 | $0 | 4,208,307 (Direct) | View |
2022-10-11 Exercise | 2022-10-12 7:43 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 5,000 | $34.23 | 4,208,307 (Direct) | View |
2022-08-01 Option Award | 2022-08-02 5:16 pm | N/A N/A | Simulations Plus Inc. | SLP | Evans Sharlene Director | 273 | $0 | 1,077 (Direct) | View |
2022-08-01 Option Award | 2022-08-02 5:15 pm | N/A N/A | Simulations Plus Inc. | SLP | WOLTOSZ WALTER S WOLTOSZ VIRGINIA E Director 10% Owner | 273 | $0 | 4,117,907 (Direct) | View |
2022-08-01 Option Award | 2022-08-02 5:14 pm | N/A N/A | Simulations Plus Inc. | SLP | LaVange Lisa Director | 273 | $0 | 4,457 (Direct) | View |
2022-08-01 Option Award | 2022-08-02 5:13 pm | N/A N/A | Simulations Plus Inc. | SLP | Paglia John Kenneth Director | 273 | $0 | 1,693 (Direct) | View |