WDFC insider buying
2 cluster buysWD 40 CO · Materials
When two or more insiders at WD 40 CO buy WDFC on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in WDFC plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.
Detected clusters
- Oct 27 – Oct 30, 2025Detected Oct 30, 20252 insidersTotal bought$302.1KMarket cap$3.3B
- Apr 12 – May 9, 2024Detected May 9, 2024High conviction3 insidersTotal bought$226.9KMarket cap$3.3B
All notable open-market buys in WDFC
Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.
| Date | Insider | Shares | Price | Value | Filing |
|---|---|---|---|---|---|
| Feb 5, 2026 | Director | 424 | $247.15 | $104.8K | SEC ↗ |
| Oct 30, 2025 | PENDARVIS DAVIDcluster Director | 523 | $196.37 | $102.7K | SEC ↗ |
| Oct 30, 2025 | Director | 500 | $194.02 | $97.0K | SEC ↗ |
| Oct 28, 2025 | Director, President and CEO | 362 | $200.46 | $72.6K | SEC ↗ |
| Oct 28, 2025 | VP, Finance & CFO | 200 | $200.46 | $40.1K | SEC ↗ |
| Oct 28, 2025 | VP, GC & Chief Compliance Ofcr | 55 | $200.46 | $11.0K | SEC ↗ |
| Oct 27, 2025 | CARTER DANIEL Tcluster Director | 1,000 | $199.37 | $199.4K | SEC ↗ |
| Apr 11, 2025 | VP, Finance & CFO | 256 | $222.83 | $57.0K | SEC ↗ |
| May 9, 2024 | HYZER SARA KATHLEENcluster VP, Finance & CFO | 213 | $232.83 | $49.6K | SEC ↗ |
| Apr 16, 2024 | Brass Steven Acluster Director, President and CEO | 432 | $232.22 | $100.3K | SEC ↗ |
| Apr 12, 2024 | PENDARVIS DAVIDcluster Director | 328 | $234.75 | $77.0K | SEC ↗ |
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WDFC insider buying — FAQ
- Are insiders buying WDFC stock?
- Yes — 8 distinct insiders have bought WDFC (WD 40 CO) on the open market, including 2 cluster buys where two or more insiders bought within a rolling window. The most recent qualifying activity was Feb 6, 2026.
- How much WDFC stock have insiders bought?
- Insiders have bought a combined $911.5K of WDFC across 11 open-market purchases, based on SEC Form 4 filings.
- What is an insider cluster buy in WDFC?
- A cluster buy is two or more distinct WD 40 CO insiders — officers, directors, or 10% owners — each buying WDFC on the open market within a rolling window. WDFC has 2 detected cluster buys to date.
- Where does this WDFC insider trading data come from?
- Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.
How we track insider buying in WDFC
We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy WDFC within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?
This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding WDFC.