Skip to content

Simulations Plus, Inc. (SLP) Insider Trading -- Recent Executive & Director Transactions

9 insiders reported 78 Form 4 transactions for Simulations Plus, Inc. (SLP) over the past 18 months (most recent 2026-10-06). Recent activity: WEINER DANIEL L (Director) Sell 16,547 shares, WOLTOSZ WALTER S (Director) Sell 3.2M shares, WOLTOSZ VIRGINIA E (10% Owner) Sell 3.2M shares, FREDERICK WILLIAM W (EVP/CFO) Sell 2,100 shares, DiBella John Anthony II (Chief Revenue Officer) Sell 85,140 shares. Source: SEC Form 4.

DateInsiderTitleTypeSharesValue
2026-10-06WEINER DANIEL LDirectorSell16,547$306,120
2026-10-06WOLTOSZ WALTER SDirectorSell3.2M$59.2M
2026-10-06WOLTOSZ VIRGINIA E10% OwnerSell3.2M$59.2M
2026-10-06FREDERICK WILLIAM WEVP/CFOSell2,100$38,850
2026-10-06DiBella John Anthony IIChief Revenue OfficerSell85,140$1.6M
2026-10-06Paglia John KennethDirectorSell14,589$269,896
2026-10-06Fiedler-Kelly JillPresident, Services SolutionsSell77,817$1.4M
2026-10-06Evans SharleneDirectorSell17,173$317,700
2026-08-04DiBella John Anthony IIChief Revenue OfficerSell1,000$18,280
2026-07-08DiBella John Anthony IIChief Revenue OfficerSell1,000$18,360
2026-07-06WOLTOSZ WALTER SDirectorSell4,177$77,024
2026-07-06WOLTOSZ VIRGINIA E10% OwnerSell4,177$77,024
2026-06-17Fiedler-Kelly JillPresident, Services SolutionsBuy7,350$73,868
2026-06-17Fiedler-Kelly JillPresident, Services SolutionsSell7,350$133,770
2026-06-16Fiedler-Kelly JillPresident, Services SolutionsBuy1,050$10,552
2026-06-16Fiedler-Kelly JillPresident, Services SolutionsSell1,050$17,336
2026-06-04DiBella John Anthony IIChief Revenue OfficerSell1,000$16,500
2026-06-02WOLTOSZ WALTER SDirectorSell15,000$261,450
2026-06-02WOLTOSZ VIRGINIA E10% OwnerSell15,000$261,450
2026-05-13Fiedler-Kelly JillPresident, Services SolutionsBuy1,000$10,050
2026-05-13Fiedler-Kelly JillPresident, Services SolutionsSell1,000$16,530
2026-05-05DiBella John Anthony IIChief Revenue OfficerSell1,000$14,980
2026-05-05WOLTOSZ WALTER SDirectorSell15,000$226,950
2026-05-05WOLTOSZ VIRGINIA E10% OwnerSell15,000$226,950
2026-05-01Paglia John KennethDirectorBuy2,117$0

Source: SEC Form 4 filings · as of 2026-10-06