WDFC — WD 40 CO
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on WDFC
| date | signal | measured base rate |
|---|---|---|
| 2026-08-20 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-14 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-10 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-06-16 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-06-10 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-13 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-13 | Olsem Patricia Q Division President, Americas | Open-market sale | 200 | 234.72 | 46.9K |
| 2026-08-10 | Olsem Patricia Q Division President, Americas | Open-market sale | 300 | 233.73 | 70.1K |
| 2026-02-18 | Plunk Ken Allen Director | Grant or award | 515 | — | — |
| 2026-02-05 | PENDARVIS DAVID Director | Open-market purchase | 424 | 247.15 | 104.8K |
| 2025-12-12 | Etchart Eric Director | Grant or award | 367 | — | — |
| 2025-12-12 | Etchart Eric Director | Grant or award | 612 | — | — |
| 2025-12-12 | Lee Lara L Director | Grant or award | 612 | — | — |
| 2025-12-12 | Magee Edward O Jr Director | Grant or award | 612 | — | — |
| 2025-12-12 | PENDARVIS DAVID Director | Grant or award | 612 | — | — |
| 2025-12-12 | Burks Cynthia Director | Grant or award | 612 | — | — |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 412.0M | 2.0M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 211.7M | 1.0M |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 129.4M | 634.3K |
| VANGUARD CAPITAL MANAGEMENT LLC | 123.5M | 605.7K |
| STATE STREET CORP | 107.4M | 526.4K |
| ALLIANCEBERNSTEIN L.P. | 92.5M | 469.5K |
| FIRST TRUST ADVISORS LP | 83.9M | 411.3K |
| GEODE CAPITAL MANAGEMENT, LLC | 83.1M | 407.5K |
| MORGAN STANLEY | 62.2M | 304.8K |
| DIMENSIONAL FUND ADVISORS LP | 60.0M | 294.3K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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