SLP insider transaction filings
Simulations Plus, Inc. — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-04. Screen SLP transaction legs live →
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-04 | 4 | DiBella John Anthony II — Chief Revenue Officer | Sale (S): 1,000 @ $18.28 | EDGAR |
| 2026-07-08 | 4 | DiBella John Anthony II — Chief Revenue Officer | Sale (S): 1,000 @ $18.36 | EDGAR |
| 2026-07-06 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 4,177 @ $18.44 | EDGAR |
| 2026-06-17 | 4 | Fiedler-Kelly Jill — President, Services Solutions | Option exercise (M): 7,350 @ $10.05 · Sale (S): 7,350 @ $18.20 · Option exercise (M): 7,350 (derivative) @ $0 | EDGAR |
| 2026-06-16 | 4 | Fiedler-Kelly Jill — President, Services Solutions | Option exercise (M): 1,050 @ $10.05 · Sale (S): 1,050 @ $16.51 · Option exercise (M): 1,050 (derivative) @ $0 | EDGAR |
| 2026-06-04 | 4 | DiBella John Anthony II — Chief Revenue Officer | Sale (S): 1,000 @ $16.50 | EDGAR |
| 2026-06-02 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 15,000 @ $17.43 | EDGAR |
| 2026-05-13 | 4 | Fiedler-Kelly Jill — President, Services Solutions | Option exercise (M): 1,000 @ $10.05 · Sale (S): 1,000 @ $16.53 · Option exercise (M): 1,000 (derivative) @ $0 | EDGAR |
| 2026-05-05 | 4 | DiBella John Anthony II — Chief Revenue Officer | Sale (S): 1,000 @ $14.98 | EDGAR |
| 2026-05-05 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 15,000 @ $15.13 | EDGAR |
| 2026-05-01 | 4 | Evans Sharlene — Director | Grant/award (A): 2,117 @ $0 | EDGAR |
| 2026-05-01 | 4 | Paglia John Kenneth — Director | Grant/award (A): 2,117 @ $0 | EDGAR |
| 2026-05-01 | 4 | WOLTOSZ WALTER S — Director, 10% owner | Grant/award (A): 2,117 @ $0 | EDGAR |
| 2026-05-01 | 4 | WEINER DANIEL L — Director | Grant/award (A): 2,117 @ $0 | EDGAR |
| 2026-04-16 | 4 | DiBella John Anthony II — Chief Revenue Officer | Sale (S): 1,000 @ $13.37 | EDGAR |
| 2026-02-09 | 4 | DiBella John Anthony II — Chief Revenue Officer | Option exercise (M): 10,300 @ $9.71 · Option exercise (M): 10,300 (derivative) @ $0 | EDGAR |
| 2026-02-02 | 4 | Evans Sharlene — Director | Grant/award (A): 1,776 @ $0 | EDGAR |
| 2026-02-02 | 4 | Paglia John Kenneth — Director | Grant/award (A): 1,776 @ $0 | EDGAR |
| 2026-02-02 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Grant/award (A): 1,776 @ $0 | EDGAR |
| 2026-02-02 | 4 | WEINER DANIEL L — Director | Grant/award (A): 1,776 @ $0 | EDGAR |
| 2026-01-29 | 4 | Fiedler-Kelly Jill — President, Services Solutions | Option exercise (M): 8,950 @ $9.71 · Option exercise (M): 8,950 (derivative) @ $0 | EDGAR |
| 2025-12-22 | 4 | WOLTOSZ WALTER S — Director, 10% owner | Gift (G): 9,095 @ $0 | EDGAR |
| 2025-12-02 | 4 | LaVange Lisa — Director | Sale (S): 866 @ $16.91 | EDGAR |
| 2025-11-04 | 4 | Evans Sharlene — Director | Grant/award (A): 1,771 @ $0 | EDGAR |
| 2025-11-04 | 4 | LaVange Lisa — Director | Grant/award (A): 1,771 @ $0 | EDGAR |
| 2025-11-04 | 4 | Paglia John Kenneth — Director | Grant/award (A): 1,771 @ $0 | EDGAR |
| 2025-11-04 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Grant/award (A): 1,771 @ $0 | EDGAR |
| 2025-11-04 | 4 | WEINER DANIEL L — Director | Grant/award (A): 1,771 @ $0 | EDGAR |
| 2025-10-17 | 4 | Fiedler-Kelly Jill — President, Services Solutions | Grant/award (A): 27,500 (derivative) @ $0 | EDGAR |
| 2025-10-17 | 4 | DiBella John Anthony II — Chief Revenue Officer | Grant/award (A): 27,500 (derivative) @ $0 | EDGAR |
| 2025-10-17 | 4 | FREDERICK WILLIAM W — EVP/CFO | Grant/award (A): 32,500 (derivative) @ $0 | EDGAR |
| 2025-10-17 | 4 | OCONNOR SHAWN — Chief Executive Officer | Grant/award (A): 50,000 (derivative) @ $0 | EDGAR |
| 2025-10-03 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 20,000 @ $15.39 | EDGAR |
| 2025-09-04 | 4 | LaVange Lisa — Director | Sale (S): 867 @ $14.10 | EDGAR |
| 2025-08-04 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Grant/award (A): 2,074 @ $0 | EDGAR |
| 2025-08-04 | 4 | WEINER DANIEL L — Director | Grant/award (A): 2,074 @ $0 | EDGAR |
| 2025-08-04 | 4 | Paglia John Kenneth — Director | Grant/award (A): 2,074 @ $0 | EDGAR |
| 2025-08-04 | 4 | Evans Sharlene — Director | Grant/award (A): 2,074 @ $0 | EDGAR |
| 2025-08-04 | 4 | LaVange Lisa — Director | Grant/award (A): 2,074 @ $0 · Sale (S): 867 @ $12.93 | EDGAR |
| 2025-07-02 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 7,776 @ $17.94 · Sale (S): 12,224 @ $18.58 | EDGAR |
| 2025-06-03 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 15,500 @ $26.72 · Sale (S): 2,700 @ $27.71 · Sale (S): 700 @ $29.13 · Sale (S): 1,000 @ $30.57 · Sale (S): 100 @ $31.36 | EDGAR |
| 2025-05-01 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Grant/award (A): 786 @ $0 · Sale (S): 9,396 @ $33.20 · Sale (S): 10,604 @ $33.78 | EDGAR |
| 2025-05-01 | 4 | Evans Sharlene — Director | Grant/award (A): 786 @ $0 | EDGAR |
| 2025-05-01 | 4 | LaVange Lisa — Director | Grant/award (A): 786 @ $0 | EDGAR |
| 2025-05-01 | 4 | WEINER DANIEL L — Director | Grant/award (A): 786 @ $0 | EDGAR |
| 2025-05-01 | 4 | Paglia John Kenneth — Director | Grant/award (A): 786 @ $0 | EDGAR |
| 2025-04-02 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 17,400 @ $24.01 · Sale (S): 2,600 @ $24.62 | EDGAR |
| 2025-03-04 | 4 | WOLTOSZ WALTER S — Director, 10% owner WOLTOSZ VIRGINIA E — 10% owner | Sale (S): 20,000 @ $28.68 | EDGAR |
| 2025-02-04 | 4 | Paglia John Kenneth — Director | Grant/award (A): 787 @ $0 | EDGAR |
| 2025-02-04 | 4 | WEINER DANIEL L — Director | Grant/award (A): 787 @ $0 | EDGAR |
Recent 8-K events — Simulations Plus, Inc.
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-13 | 8-K | 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-09 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-17 | 8-K | 1.01 — Entry into a Material Definitive Agreement 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-16 | 8-K | 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-04-09 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-18 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-08 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-08 | 8-K | 1.01 — Entry into a Material Definitive Agreement 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-01 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-22 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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