CIK 0000105132 · Large accelerated filer
WD 40 CO
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- WDFC
- Exchange
- Nasdaq
- Industry
- Miscellaneous Chemical Products
- FY end
- Aug 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 951797918
- Phone
- 6192751400
- Business address
- 9715 BUSINESSPARK AVENUE, SAN DIEGO, CA, 92131
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-08-13 | Olsem Patricia Q Division President, Americas | Sale | −200 | $234.72 | $47K | 4,574 |
| 2026-08-10 | Olsem Patricia Q Division President, Americas | Sale | −300 | $233.73 | $70K | 4,774 |
| 2024-11-13 | NOBLE WILLIAM B Group Managing Director | Sale | −1,000 | $289.70 | $290K | 7,999 |
| 2024-10-22 | NOBLE WILLIAM B Group Managing Director, EIMEA | Sale | −800 | $256.98 | $206K | 8,999 |
| 2023-06-14 | Olsem Patricia Q Division President, Americas | Sale 10b5-1 | −420 | $200.00 | $84K | 2,323 |
| 2023-02-02 | Olsem Patricia Q Division President, Americas | Sale | −438 | $180.00 | $79K | 2,743 |
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