WDFC insider transaction filings
WD 40 CO — 50 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-08-14. Screen WDFC transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 2 Form 4 filings. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): 2 legs across 2 filings by 1 insider — 500 shares, $117,063 total (shares × price as filed).
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 0.
- Largest priced transaction: sale of 300 shares @ $233.73 ($70,119) by Olsem Patricia Q, filed 2026-08-12.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| Olsem Patricia Q — Division President, Americas | 2 | — | 2 legs · 500 sh · $117,063 | — |
Recent Form 4 filings — WD 40 CO
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-08-14 | 4 | Olsem Patricia Q — Division President, Americas | Sale (S): 200 @ $234.72 | EDGAR |
| 2026-08-12 | 4 | Olsem Patricia Q — Division President, Americas | Sale (S): 300 @ $233.73 | EDGAR |
| 2026-02-19 | 4 | Plunk Ken Allen — Director | Grant/award (A): 515 | EDGAR |
| 2026-02-06 | 4 | PENDARVIS DAVID — Director | Purchase (P): 424 @ $247.15 | EDGAR |
| 2025-12-12 | 4 | Monteagudo Graciela — Director | Grant/award (A): 612 | EDGAR |
| 2025-12-12 | 4 | Magee Edward O Jr — Director | Grant/award (A): 612 | EDGAR |
| 2025-12-12 | 4 | Etchart Eric — Director | Grant/award (A): 612 · Grant/award (A): 367 | EDGAR |
| 2025-12-12 | 4 | CARTER DANIEL T — Director | Grant/award (A): 612 | EDGAR |
| 2025-12-12 | 4 | PENDARVIS DAVID — Director | Grant/award (A): 612 | EDGAR |
| 2025-12-12 | 4 | Lee Lara L — Director | Grant/award (A): 612 | EDGAR |
| 2025-12-12 | 4 | Saunders Anne — Director | Grant/award (A): 612 | EDGAR |
| 2025-12-12 | 4 | Burks Cynthia — Director | Grant/award (A): 612 | EDGAR |
| 2025-10-30 | 4 | Etchart Eric — Director | Purchase (P): 500 @ $194.02 | EDGAR |
| 2025-10-30 | 4 | PENDARVIS DAVID — Director | Purchase (P): 523 @ $196.37 | EDGAR |
| 2025-10-29 | 4 | KIAMILEV PHENIX Q. — VP, GC & Chief Compliance Ofcr | Purchase (P): 55 @ $200.46 | EDGAR |
| 2025-10-29 | 4 | Brass Steven A — President and CEO, Director | Purchase (P): 362 @ $200.46 | EDGAR |
| 2025-10-29 | 4 | HYZER SARA KATHLEEN — VP, Finance & CFO | Purchase (P): 200 @ $200.46 | EDGAR |
| 2025-10-29 | 4 | Olsem Patricia Q — Division President, Americas | Tax withholding (F): 335 · Tax withholding (F): 401 | EDGAR |
| 2025-10-29 | 4 | NOBLE WILLIAM B — Group Managing Director | Tax withholding (F): 258 · Tax withholding (F): 316 | EDGAR |
| 2025-10-28 | 4 | LINDEMAN JEFFREY G — VP, Chief People, Cult. & Cap. | Tax withholding (F): 260 · Tax withholding (F): 294 | EDGAR |
| 2025-10-28 | 4 | KIAMILEV PHENIX Q. — VP, GC & Chief Compliance Ofcr | Tax withholding (F): 267 · Tax withholding (F): 294 | EDGAR |
| 2025-10-28 | 4 | HYZER SARA KATHLEEN — VP, Finance & CFO | Tax withholding (F): 533 · Tax withholding (F): 455 | EDGAR |
| 2025-10-28 | 4 | Brass Steven A — President and CEO, Director | Tax withholding (F): 2,380 · Tax withholding (F): 1,972 | EDGAR |
| 2025-10-27 | 4 | CARTER DANIEL T — Director | Purchase (P): 1,000 @ $199.37 | EDGAR |
| 2025-10-10 | 4 | Olsem Patricia Q — Division President, Americas | Grant/award (A): 1,011 · Grant/award (A): 1,120 | EDGAR |
| 2025-10-10 | 4 | LINDEMAN JEFFREY G — VP, Chief People, Cult. & Cap. | Grant/award (A): 843 · Grant/award (A): 821 | EDGAR |
| 2025-10-10 | 4 | KIAMILEV PHENIX Q. — VP, GC & Chief Compliance Ofcr | Grant/award (A): 972 · Grant/award (A): 821 | EDGAR |
| 2025-10-10 | 4 | HYZER SARA KATHLEEN — VP, Finance & CFO | Grant/award (A): 1,751 · Grant/award (A): 895 | EDGAR |
| 2025-10-10 | 4 | Brass Steven A — President and CEO, Director | Grant/award (A): 7,783 · Grant/award (A): 3,883 | EDGAR |
| 2025-04-15 | 4 | HYZER SARA KATHLEEN — VP, Finance & CFO | Purchase (P): 256 @ $222.83 | EDGAR |
| 2024-12-16 | 4 | Saunders Anne — Director | Grant/award (A): 412 | EDGAR |
| 2024-12-16 | 4 | PENDARVIS DAVID — Director | Grant/award (A): 412 | EDGAR |
| 2024-12-16 | 4 | Etchart Eric — Director | Grant/award (A): 412 · Grant/award (A): 281 | EDGAR |
| 2024-12-16 | 4 | Magee Edward O Jr — Director | Grant/award (A): 412 · Grant/award (A): 93 | EDGAR |
| 2024-12-16 | 4 | Monteagudo Graciela — Director | Grant/award (A): 412 | EDGAR |
| 2024-12-16 | 4 | Lee Lara L — Director | Grant/award (A): 412 | EDGAR |
| 2024-12-16 | 4 | Burks Cynthia — Director | Grant/award (A): 412 | EDGAR |
| 2024-12-16 | 4 | CARTER DANIEL T — Director | Grant/award (A): 412 | EDGAR |
| 2024-12-16 | 4 | MIHALIK TREVOR I — Director | Grant/award (A): 412 · Grant/award (A): 281 | EDGAR |
| 2024-11-14 | 4 | NOBLE WILLIAM B — Group Managing Director | Sale (S): 1,000 @ $289.70 | EDGAR |
| 2024-10-24 | 4 | Olsem Patricia Q — Division President, Americas | Tax withholding (F): 333 · Tax withholding (F): 326 · Tax withholding (F): 59 | EDGAR |
| 2024-10-24 | 4 | HYZER SARA KATHLEEN — VP, Finance & CFO | Tax withholding (F): 429 · Tax withholding (F): 344 · Tax withholding (F): 73 | EDGAR |
| 2024-10-24 | 4 | NOBLE WILLIAM B — Group Managing Director, EIMEA | Tax withholding (F): 245 · Tax withholding (F): 204 · Tax withholding (F): 71 · Sale (S): 800 @ $256.98 | EDGAR |
| 2024-10-24 | 4 | KIAMILEV PHENIX Q. — VP, General Counsel & Corp Sec | Tax withholding (F): 255 · Tax withholding (F): 238 · Tax withholding (F): 38 | EDGAR |
| 2024-10-24 | 4 | LINDEMAN JEFFREY G — VP, Chief People, Cult. & Cap. | Tax withholding (F): 222 · Tax withholding (F): 140 · Tax withholding (F): 45 | EDGAR |
| 2024-10-23 | 4 | Brass Steven A — President and CEO, Director | Tax withholding (F): 1,672 · Tax withholding (F): 1,058 · Tax withholding (F): 253 | EDGAR |
| 2024-10-07 | 4 | KIAMILEV PHENIX Q. — VP, General Counsel & Corp Sec | Grant/award (A): 637 · Grant/award (A): 665 · Grant/award (A): 106 | EDGAR |
| 2024-10-07 | 4 | HYZER SARA KATHLEEN — VP, Finance & CFO | Grant/award (A): 1,177 · Grant/award (A): 677 · Grant/award (A): 144 | EDGAR |
| 2024-10-07 | 4 | NOBLE WILLIAM B — Group Managing Director, EIMEA | Grant/award (A): 441 · Grant/award (A): 434 · Grant/award (A): 151 | EDGAR |
| 2024-10-07 | 4 | Olsem Patricia Q — Division President, Americas | Grant/award (A): 765 · Grant/award (A): 912 · Grant/award (A): 164 | EDGAR |
Recent 8-K events — WD 40 CO
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-09-03 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-07-09 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-25 | 8-K/A | 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 |
| 2026-06-04 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure | EDGAR |
| 2026-04-09 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-19 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-08 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-12-16 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 8.01 — Other Events 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-22 | 8-K | 2.02 — Results of Operations and Financial Condition 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-10-14 | 8-K | 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 |
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