🕵️ WD 40 Co ($WDFC)
SEC insider & ownership activity, last 12 months · CIK 105132 · every row links its SEC filing
Over the last 12 months insiders sold $117K against $628K of open-market buying. Pendarvis David bought $207K in discretionary trades (Oct–Feb). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
6 buyers, $628K (7 lots) · 1 seller, $117K (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Pendarvis David | 2 | $207K | 0 | – | Feb 5, 2026 |
| Daniel T. Carter | 1 | $199K | 0 | – | Oct 27, 2025 |
| Patricia Q. Olsem | 0 | – | 2 | $117K | Aug 13, 2026 |
| Etchart Eric | 1 | $97K | 0 | – | Oct 30, 2025 |
| Steven A. Brass | 1 | $73K | 0 | – | Oct 28, 2025 |
| Hyzer Sara Kathleen | 1 | $40K | 0 | – | Oct 28, 2025 |
| Phenix Q. Kiamilev | 1 | $11K | 0 | – | Oct 28, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 14.3% | 13G | Oct 17, 2025 | filing ↗ | |
| Vanguard Portfolio Management | 7.8% | 13G | Apr 29, 2026 | filing ↗ | |
| Vanguard Capital Management | 5.3% | 13G | Apr 30, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Patricia Q. Olsem | $136K | Aug 7, 2026 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Sep 1, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Sep 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 1, 2026 | filing ↗ |
| Earnings (2.02) | Jul 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 1, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 1, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jun 1, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jun 1, 2026 | filing ↗ |
| Earnings (2.02) | Apr 9, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 9, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 18, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Feb 18, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 18, 2026 | filing ↗ |
| Earnings (2.02) | Jan 8, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 8, 2026 | filing ↗ |
| Shareholder vote (5.07) | Dec 10, 2025 | filing ↗ |
| Other events (8.01) | Dec 10, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 10, 2025 | filing ↗ |
| Earnings (2.02) | Oct 22, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 22, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 9, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 9, 2025 | filing ↗ |