Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Simulations Plus, Inc. (SLP) since 2016 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Simulations Plus, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1023459.
Total stock buying since 2016: $1,395,840.
Total stock sales since 2016: $70,181,136.
Total stock option exercises since 2016: $2,881,601.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 101,734 | $2,700,294 | 0 | $0 |
| 2024 | 0 | $0 | 231,850 | $9,009,600 | 6,250 | $158,767 |
| 2023 | 0 | $0 | 277,397 | $10,940,067 | 66,394 | $585,959 |
| 2022 | 0 | $0 | 220,600 | $10,488,353 | 31,400 | $590,382 |
| 2021 | 0 | $0 | 201,895 | $11,297,449 | 20,916 | $372,007 |
| 2020 | 24,000 | $1,395,840 | 281,881 | $13,272,998 | 20,000 | $475,000 |
| 2019 | 0 | $0 | 221,612 | $6,274,148 | 4,400 | $30,140 |
| 2018 | 0 | $0 | 219,178 | $2,738,318 | 67,091 | $510,553 |
| 2017 | 0 | $0 | 417,924 | $2,803,919 | 5,500 | $36,839 |
| 2016 | 0 | $0 | 58,181 | $655,990 | 38,800 | $121,954 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2025-09 | 0 | $0 | 867 | $12,224 | 0 | $0 |
| 2025-08 | 0 | $0 | 867 | $11,210 | 0 | $0 |
| 2025-07 | 0 | $0 | 20,000 | $365,200 | 0 | $0 |
| 2025-06 | 0 | $0 | 20,000 | $581,960 | 0 | $0 |
| 2025-05 | 0 | $0 | 20,000 | $669,800 | 0 | $0 |
| 2025-04 | 0 | $0 | 20,000 | $486,300 | 0 | $0 |
| 2025-03 | 0 | $0 | 20,000 | $573,600 | 0 | $0 |
| 2024-12 | 0 | $0 | 20,650 | $655,922 | 0 | $0 |
| 2024-11 | 0 | $0 | 20,000 | $553,200 | 0 | $0 |
| 2024-10 | 0 | $0 | 20,000 | $625,200 | 0 | $0 |
| 2024-09 | 0 | $0 | 21,400 | $755,122 | 2,250 | $21,847 |
| 2024-08 | 0 | $0 | 20,000 | $800,100 | 0 | $0 |
| 2024-06 | 0 | $0 | 21,400 | $999,159 | 0 | $0 |
| 2024-05 | 0 | $0 | 27,400 | $1,279,291 | 4,000 | $136,920 |
| 2024-04 | 0 | $0 | 20,000 | $809,500 | 0 | $0 |
| 2024-03 | 0 | $0 | 20,000 | $830,900 | 0 | $0 |
| 2024-02 | 0 | $0 | 20,000 | $764,166 | 0 | $0 |
| 2024-01 | 0 | $0 | 21,000 | $937,040 | 0 | $0 |
| 2023-12 | 0 | $0 | 65,411 | $2,572,746 | 0 | $0 |
| 2023-11 | 0 | $0 | 61,000 | $2,098,648 | 0 | $0 |
| 2023-10 | 0 | $0 | 0 | $0 | 225 | $8,525 |
| 2023-07 | 0 | $0 | 2,192 | $104,635 | 0 | $0 |
| 2023-06 | 0 | $0 | 20,000 | $860,686 | 0 | $0 |
| 2023-05 | 0 | $0 | 20,000 | $921,100 | 0 | $0 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-09-02 | Lavange Lisa | Sale | 867 | 14.10 | 12,224 |
| 2025-08-01 | Lavange Lisa | Sale | 867 | 12.93 | 11,210 |
| 2025-07-01 | Woltosz Virginia E | Sale | 20,000 | 18.26 | 365,200 |
| 2025-06-02 | Woltosz Virginia E | Sale | 20,000 | 29.10 | 581,960 |
| 2025-05-01 | Woltosz Virginia E | Sale | 20,000 | 33.49 | 669,800 |
| 2025-04-01 | Woltosz Virginia E | Sale | 20,000 | 24.32 | 486,300 |
| 2025-03-03 | Woltosz Virginia E | Sale | 20,000 | 28.68 | 573,600 |
| 2024-12-02 | Lavange Lisa | Sale | 650 | 31.88 | 20,722 |
| 2024-12-02 | Woltosz Virginia E | Sale | 20,000 | 31.76 | 635,200 |
| 2024-11-01 | Woltosz Virginia E | Sale | 20,000 | 27.66 | 553,200 |
| 2024-10-01 | Woltosz Virginia E | Sale | 20,000 | 31.26 | 625,200 |
| 2024-09-27 | Weiner Daniel L | Sale | 750 | 31.54 | 23,655 |
| 2024-09-09 | Fiedler-kelly Jill (Business Unit President) | Option Ex | 2,250 | 9.71 | 21,847 |
| 2024-09-03 | Lavange Lisa | Sale | 650 | 35.95 | 23,367 |
| 2024-09-03 | Woltosz Virginia E | Sale | 20,000 | 35.41 | 708,100 |
| 2024-08-01 | Woltosz Virginia E | Sale | 20,000 | 40.01 | 800,100 |
| 2024-06-28 | Weiner Daniel L | Sale | 750 | 49.32 | 36,990 |
| 2024-06-03 | Lavange Lisa | Sale | 650 | 48.26 | 31,369 |
| 2024-06-03 | Woltosz Virginia E | Sale | 20,000 | 46.54 | 930,800 |
| 2024-05-14 | Lavange Lisa | Sale | 500 | 50.00 | 25,000 |
| 2024-05-14 | Weiner Daniel L | Sale | 3,000 | 50.13 | 150,390 |
| 2024-05-14 | Weiner Daniel L | Option Ex | 2,000 | 34.23 | 68,460 |
| 2024-05-07 | Lavange Lisa | Sale | 650 | 48.30 | 31,394 |
| 2024-05-07 | Weiner Daniel L | Sale | 3,250 | 48.31 | 157,007 |
| 2024-05-07 | Weiner Daniel L | Option Ex | 2,000 | 34.23 | 68,460 |
| 2024-05-01 | Woltosz Virginia E | Sale | 20,000 | 45.77 | 915,500 |
| 2024-04-01 | Woltosz Virginia E | Sale | 20,000 | 40.48 | 809,500 |
| 2024-03-01 | Woltosz Virginia E | Sale | 20,000 | 41.55 | 830,900 |
| 2024-02-02 | Woltosz Virginia E | Sale | 1,055 | 37.64 | 39,710 |
| 2024-02-01 | Woltosz Virginia E | Sale | 18,945 | 38.24 | 724,456 |
| 2024-01-04 | Paglia John Kenneth | Sale | 1,000 | 43.74 | 43,740 |
| 2024-01-02 | Woltosz Virginia E | Sale | 20,000 | 44.66 | 893,300 |
| 2023-12-22 | Dibella John Anthony Ii (Business Unit President) | Sale | 5,411 | 45.16 | 244,360 |
| 2023-12-05 | Woltosz Virginia E | Sale | 7,050 | 38.55 | 271,777 |
| 2023-12-04 | Woltosz Virginia E | Sale | 21,802 | 38.67 | 843,083 |
| 2023-12-01 | Woltosz Virginia E | Sale | 31,148 | 38.96 | 1,213,526 |
| 2023-11-08 | Paglia John Kenneth | Sale | 1,000 | 35.25 | 35,250 |
| 2023-11-02 | Woltosz Virginia E | Sale | 2,720 | 34.60 | 94,112 |
| 2023-11-01 | Woltosz Virginia E | Sale | 57,280 | 34.38 | 1,969,286 |
| 2023-10-24 | Frederick William W (CFO) | Option Ex | 225 | 37.89 | 8,525 |
| 2023-07-27 | Lavange Lisa | Sale | 992 | 49.29 | 48,895 |
| 2023-07-13 | Paglia John Kenneth | Sale | 1,200 | 46.45 | 55,740 |
| 2023-06-29 | Woltosz Virginia E | Sale | 3,754 | 42.88 | 160,971 |
| 2023-06-28 | Woltosz Virginia E | Sale | 16,246 | 43.07 | 699,715 |
| 2023-05-30 | Woltosz Virginia E | Sale | 20,000 | 46.05 | 921,100 |
| 2023-04-26 | Woltosz Virginia E | Sale | 20,000 | 41.80 | 835,900 |
| 2023-04-03 | Fiedler-kelly Jill (President, Cognigen Division) | Option Ex | 500 | 6.85 | 3,425 |
| 2023-03-29 | Woltosz Virginia E | Sale | 20,000 | 43.12 | 862,400 |
| 2023-03-23 | Dibella John Anthony Ii (Division President) | Option Ex | 35,000 | 6.85 | 239,750 |
| 2023-03-03 | Dibella John Anthony Ii (Division President) | Sale | 12,442 | 39.30 | 488,908 |
| 2023-03-03 | Dibella John Anthony Ii (Division President) | Option Ex | 12,442 | 10.05 | 125,042 |
| 2023-03-02 | Dibella John Anthony Ii (Division President) | Sale | 16,352 | 38.34 | 626,935 |
| 2023-03-02 | Dibella John Anthony Ii (Division President) | Option Ex | 16,352 | 8.45 | 138,174 |
| 2023-03-02 | Frederick William W (CFO) | Option Ex | 1,875 | 37.89 | 71,043 |
| 2023-02-24 | Woltosz Virginia E | Sale | 20,000 | 38.47 | 769,300 |
| 2023-01-30 | Woltosz Virginia E | Sale | 2,258 | 39.91 | 90,105 |
| 2023-01-27 | Woltosz Virginia E | Sale | 17,742 | 39.95 | 708,704 |
| 2022-12-28 | Woltosz Virginia E | Sale | 20,000 | 36.38 | 727,600 |
| 2022-11-28 | Woltosz Virginia E | Sale | 20,000 | 40.35 | 807,099 |
| 2022-10-27 | Woltosz Virginia E | Sale | 20,000 | 42.36 | 847,120 |
| 2022-10-11 | Woltosz Virginia E | Option Ex | 31,400 | 18.80 | 590,382 |
| 2022-09-28 | Woltosz Virginia E | Sale | 20,000 | 49.46 | 989,200 |
| 2022-08-30 | Woltosz Virginia E | Sale | 1,879 | 60.65 | 113,961 |
| 2022-08-29 | Woltosz Virginia E | Sale | 18,121 | 61.71 | 1,118,301 |
| 2022-07-27 | Woltosz Virginia E | Sale | 20,000 | 61.24 | 1,224,900 |
| 2022-06-29 | Woltosz Virginia E | Sale | 2,539 | 48.67 | 123,585 |
| 2022-06-28 | Woltosz Virginia E | Sale | 17,461 | 48.39 | 844,937 |
| 2022-05-27 | Woltosz Virginia E | Sale | 20,000 | 47.86 | 957,200 |
| 2022-04-28 | Woltosz Virginia E | Sale | 6,712 | 47.38 | 318,034 |
| 2022-04-27 | Woltosz Virginia E | Sale | 13,288 | 46.92 | 623,472 |
| 2022-03-30 | Woltosz Virginia E | Sale | 4,860 | 49.23 | 239,282 |
| 2022-03-29 | Woltosz Virginia E | Sale | 15,140 | 48.62 | 736,106 |
| 2022-01-27 | Woltosz Virginia E | Sale | 20,000 | 39.66 | 793,100 |
| 2022-01-25 | Paglia John Kenneth | Sale | 600 | 40.76 | 24,456 |
| 2021-12-30 | Woltosz Virginia E | Sale | 7,167 | 49.38 | 353,906 |
| 2021-12-29 | Woltosz Virginia E | Sale | 12,833 | 48.40 | 621,053 |
| 2021-11-29 | Woltosz Virginia E | Sale | 7,668 | 48.12 | 368,984 |
| 2021-11-26 | Woltosz Virginia E | Sale | 12,332 | 49.45 | 609,854 |
| 2021-10-27 | Woltosz Virginia E | Sale | 20,000 | 45.47 | 909,460 |
| 2021-09-28 | Woltosz Virginia E | Sale | 20,000 | 38.55 | 771,000 |
| 2021-08-31 | Woltosz Virginia E | Sale | 1,497 | 44.33 | 66,362 |
| 2021-08-30 | Woltosz Virginia E | Sale | 8,803 | 44.90 | 395,254 |
| 2021-08-27 | Woltosz Virginia E | Sale | 9,700 | 44.73 | 433,832 |
| 2021-07-30 | Woltosz Virginia E | Sale | 7,545 | 47.21 | 356,199 |
| 2021-07-29 | Woltosz Virginia E | Sale | 12,455 | 47.09 | 586,505 |
| 2021-06-25 | Woltosz Virginia E | Sale | 13,302 | 53.02 | 705,272 |
| 2021-06-24 | Woltosz Virginia E | Sale | 10,698 | 53.88 | 576,354 |
| 2021-02-11 | Ralph David L. | Sale | 5,000 | 84.34 | 421,700 |
| 2021-02-02 | Weiner Daniel L | Sale | 5,217 | 80.90 | 422,055 |
| 2021-01-29 | Paglia John Kenneth | Sale | 13,260 | 79.25 | 1,050,828 |
| 2021-01-27 | Lavange Lisa | Sale | 500 | 78.73 | 39,367 |
| 2021-01-27 | Paglia John Kenneth | Sale | 3,808 | 82.10 | 312,632 |
| 2021-01-27 | Paglia John Kenneth | Option Ex | 16,500 | 16.02 | 264,412 |
| 2021-01-27 | Dibella John Anthony Ii (Division President) | Sale | 2,360 | 80.00 | 188,800 |
| 2021-01-27 | Weiner Daniel L | Option Ex | 4,416 | 24.36 | 107,595 |
| 2021-01-25 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 76.43 | 1,834,320 |
| 2021-01-20 | Ralph David L. | Sale | 3,750 | 72.99 | 273,712 |
| 2020-12-23 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 72.71 | 1,745,039 |
| 2020-11-30 | Ralph David L. | Sale | 5,000 | 55.65 | 278,245 |
| 2020-11-30 | Oconnor Shawn (Chief Executive Officer) | Sale | 6,381 | 56.50 | 360,526 |
| 2020-11-23 | Oconnor Shawn (Chief Executive Officer) | Sale | 5,500 | 56.25 | 309,358 |
| 2020-11-23 | Woltosz Virginia E | Sale | 24,000 | .00 | 0 |
| 2020-11-20 | Oconnor Shawn (Chief Executive Officer) | Option Ex | 20,000 | 23.75 | 475,000 |
| 2020-10-27 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 68.95 | 1,654,800 |
| 2020-09-24 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 66.08 | 1,585,920 |
| 2020-08-26 | Woltosz Virginia E (10% Owner) | Buy | 24,000 | 58.16 | 1,395,840 |
| 2020-07-27 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 66.13 | 1,587,120 |
| 2020-06-24 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 55.82 | 1,339,680 |
| 2020-05-22 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 39.35 | 944,400 |
| 2020-04-24 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 41.25 | 990,000 |
| 2020-04-17 | Kneisel John Robert (CFO) | Sale | 1,000 | 38.07 | 38,070 |
| 2020-03-25 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 31.71 | 761,040 |
| 2020-02-24 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 36.69 | 880,560 |
| 2020-01-27 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 33.26 | 798,240 |
| 2019-12-27 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 34.25 | 822,000 |
| 2019-11-22 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 34.67 | 832,080 |
| 2019-11-12 | Kneisel John Robert (CFO) | Option Ex | 4,400 | 6.85 | 30,140 |
| 2019-10-27 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 33.45 | 802,800 |
| 2019-09-24 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 35.86 | 860,640 |
| 2019-08-26 | Woltosz Virginia E (10% Owner) | Sale | 24,000 | 36.22 | 869,280 |
| 2019-08-06 | Paglia John Kenneth | Sale | 690 | 37.86 | 26,123 |
| 2019-07-31 | Weiner Daniel L | Sale | 2,339 | .00 | 0 |
| 2019-07-29 | Paglia John Kenneth | Sale | 3,083 | .00 | 0 |
| 2019-05-28 | Woltosz Virginia E (Secretary-Treasuer) | Sale | 18,500 | 25.67 | 474,895 |
| 2019-04-26 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 22.11 | 409,035 |
| 2019-04-12 | Ralph David L. | Sale | 3,000 | 22.74 | 68,220 |
| 2019-03-27 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 20.64 | 381,840 |
| 2019-02-26 | Woltosz Virginia E (Secretary-treasurer) | Sale | 18,500 | 20.65 | 382,025 |
| 2019-01-28 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 18.66 | 345,210 |
| 2018-11-19 | Woltosz Virginia E (Secretary-Treasurer) | Option Ex | 21,600 | 11.65 | 251,640 |
| 2018-10-29 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 20.01 | 370,185 |
| 2018-09-27 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 19.92 | 368,520 |
| 2018-08-27 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 20.33 | 376,104 |
| 2018-07-27 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 17.76 | 328,560 |
| 2018-05-29 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 19.27 | 356,495 |
| 2018-04-26 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 17.20 | 318,200 |
| 2018-04-23 | Woltosz Virginia E (Secretary-Treasurer) | Option Ex | 25,000 | 5.61 | 140,250 |
| 2018-04-20 | Kneisel John Robert (CFO) | Sale | 2,991 | 17.64 | 52,767 |
| 2018-04-16 | Kneisel John Robert (CFO) | Option Ex | 2,991 | 6.85 | 20,488 |
| 2018-03-27 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 14.54 | 268,990 |
| 2018-03-09 | Grasela Thaddeus Henry Jr (President) | Sale | 14,781 | .00 | 0 |
| 2018-03-08 | Grasela Thaddeus Henry Jr (President) | Sale | 15,061 | .00 | 0 |
| 2018-03-07 | Grasela Thaddeus Henry Jr (President) | Sale | 6,940 | .00 | 0 |
| 2018-03-06 | Grasela Thaddeus Henry Jr (President) | Sale | 3,488 | .00 | 0 |
| 2018-03-05 | Grasela Thaddeus Henry Jr (President) | Sale | 8,193 | .00 | 0 |
| 2018-03-02 | Grasela Thaddeus Henry Jr (President) | Sale | 9,066 | .00 | 0 |
| 2018-03-01 | Grasela Thaddeus Henry Jr (President) | Sale | 10,658 | .00 | 0 |
| 2018-02-27 | Woltosz Walter S (Chairman and CEO) | Sale | 18,500 | 16.14 | 298,497 |
| 2018-01-24 | Woltosz Walter S (Chairman and CEO) | Option Ex | 17,500 | 5.61 | 98,175 |
| 2017-12-27 | Woltosz Virginia E (10% Owner) | Sale | 18,500 | 16.25 | 300,625 |
| 2017-11-29 | Woltosz Walter S (CEO) | Sale | 18,500 | 15.78 | 291,930 |
| 2017-10-28 | Woltosz Virginia E (Secretary-Treasurer) | Sale | 18,500 | 16.37 | 302,845 |
| 2017-09-27 | Woltosz Virginia E (10% Owner) | Sale | 18,500 | 15.45 | 285,825 |
| 2017-08-10 | Grasela Thaddeus Henry Jr (President) | Sale | 31,515 | .00 | 0 |
| 2017-08-09 | Grasela Thaddeus Henry Jr (President) | Sale | 8,134 | .00 | 0 |
| 2017-08-08 | Grasela Thaddeus Henry Jr (President) | Sale | 21,262 | .00 | 0 |
| 2017-08-07 | Grasela Thaddeus Henry Jr (President) | Sale | 7,529 | .00 | 0 |
| 2017-08-04 | Grasela Thaddeus Henry Jr (President) | Sale | 17,429 | .00 | 0 |
| 2017-08-03 | Grasela Thaddeus Henry Jr (President) | Sale | 15,879 | .00 | 0 |
| 2017-08-02 | Grasela Thaddeus Henry Jr (President) | Sale | 13,121 | .00 | 0 |
| 2017-08-01 | Grasela Thaddeus Henry Jr (President) | Sale | 14,953 | .00 | 0 |
| 2017-07-31 | Grasela Thaddeus Henry Jr (President) | Sale | 9,677 | .00 | 0 |
| 2017-07-28 | Grasela Thaddeus Henry Jr (President) | Sale | 10,501 | .00 | 0 |
| 2017-07-27 | Woltosz Walter S (CEO) | Sale | 18,500 | 15.07 | 278,869 |
| 2017-06-07 | Grasela Thaddeus Henry Jr (President) | Sale | 6,491 | .00 | 0 |
| 2017-06-06 | Grasela Thaddeus Henry Jr (President) | Sale | 9,240 | .00 | 0 |
| 2017-06-05 | Grasela Thaddeus Henry Jr (President) | Sale | 8,323 | .00 | 0 |
| 2017-06-02 | Grasela Thaddeus Henry Jr (President) | Sale | 6,861 | .00 | 0 |
| 2017-06-01 | Grasela Thaddeus Henry Jr (President) | Sale | 10,100 | .00 | 0 |
| 2017-05-31 | Grasela Thaddeus Henry Jr (President) | Sale | 5,393 | .00 | 0 |
| 2017-05-30 | Grasela Thaddeus Henry Jr (President) | Sale | 4,729 | .00 | 0 |
| 2017-05-26 | Grasela Thaddeus Henry Jr (President) | Sale | 7,204 | .00 | 0 |
| 2017-05-25 | Grasela Thaddeus Henry Jr (President) | Sale | 4,628 | .00 | 0 |
| 2017-05-24 | Grasela Thaddeus Henry Jr (President) | Sale | 6,975 | 11.70 | 81,614 |
| 2017-05-24 | D Argenio David Z (Other) | Sale | 2,674 | 11.68 | 31,232 |
| 2017-05-23 | Grasela Thaddeus Henry Jr (President) | Sale | 8,400 | 11.73 | 98,540 |
| 2017-05-23 | D Argenio David Z (Other) | Sale | 4,493 | 11.73 | 52,702 |
| 2017-05-22 | Grasela Thaddeus Henry Jr (President) | Sale | 5,812 | 11.65 | 67,715 |
| 2017-05-22 | D Argenio David Z (Other) | Sale | 3,000 | 11.65 | 34,950 |
| 2017-05-19 | Grasela Thaddeus Henry Jr (President) | Sale | 12,933 | 11.55 | 149,427 |
| 2017-05-19 | D Argenio David Z (Other) | Sale | 13,833 | 11.53 | 159,494 |
| 2017-05-18 | Grasela Thaddeus Henry Jr (President) | Sale | 2,911 | 11.48 | 33,421 |
| 2017-05-18 | D Argenio David Z (Other) | Sale | 1,300 | 11.48 | 14,920 |
| 2017-05-17 | D Argenio David Z (Other) | Sale | 4,100 | 11.22 | 45,993 |
| 2017-05-16 | D Argenio David Z (Other) | Sale | 600 | 11.38 | 6,829 |
| 2017-05-10 | D Argenio David Z (Other) | Sale | 1,304 | 12.25 | 15,974 |
| 2017-05-09 | Woltosz Walter S (Chairman and CEO) | Sale | 19,524 | 12.45 | 243,073 |
| 2017-05-04 | Woltosz Walter S (Chairman and CEO) | Sale | 24,596 | 12.52 | 307,941 |
| 2017-03-02 | D Argenio David Z (Other) | Option Ex | 5,500 | 6.70 | 36,839 |
| 2016-11-22 | D Argenio David Z (Director) | Option Ex | 4,000 | 4.78 | 19,120 |
| 2016-06-20 | D Argenio David Z (Director) | Option Ex | 23,200 | 2.96 | 68,556 |
| 2016-01-29 | Woltosz Walter S (CEO) | Sale | 58,181 | 11.28 | 655,990 |
Insider trading activities including stock purchases, stock sales, and option exercises of SLP listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Simulations Plus, Inc. (symbol SLP, CIK number 1023459) see the Securities and Exchange Commission (SEC) website.