WD 40 CO Insider Trading Activity
Every SEC Form 4 insider transaction reported for WD 40 CO (WDFC), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Are WDFC insiders buying or selling?
In the last 12 months, WD 40 CO insiders reported 7 open-market purchases ($627.6K) and 2 sales ($117.1K) — net buying of $510.5K. Since January 2018, Trabud has recorded 51 Form 4 filings for WDFC: 21 buys ($1.7M) and 30 sells ($21.0M).
Source: SEC EDGAR Form 4
What stands out
- The largest open-market purchase in the last 12 months was $199.4K by Daniel T Carter (Director) on Oct 27, 2025. SEC ↗
- The most recent open-market purchase was reported on Feb 6, 2026 (8 months ago).
Key Statistics (January 2018 – Aug 14, 2026)
Total Form 4 filings
51
SEC EDGAR
Insider filers
16
Insider buys (21)
$1.7M
Insider sells (30)
$21.0M
Insider sentiment
Net sellingNet insider flow of $19.3M in net selling since January 2018, and $510.5K in net buying over the last 12 months.
Recent WDFC insider transactions
| Date | Insider | Role | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Aug 14, 2026 | Patricia Q Olsem | Division President, Americas | Sale | 200 | $234.72 | $46.9K | SEC ↗ |
| Aug 12, 2026 | Patricia Q Olsem | Division President, Americas | Sale | 300 | $233.73 | $70.1K | SEC ↗ |
| Feb 6, 2026 | David Pendarvis | Director | Purchase | 424 | $247.15 | $104.8K | SEC ↗ |
| Oct 30, 2025 | Eric Etchart | Director | Purchase | 500 | $194.02 | $97.0K | SEC ↗ |
| Oct 30, 2025 | David Pendarvis | Director | Purchase | 523 | $196.37 | $102.7K | SEC ↗ |
| Oct 30, 2025 | Phenix Q. Kiamilev | VP, GC & Chief Compliance Ofcr | Purchase | 55 | $200.46 | $11.0K | SEC ↗ |
| Oct 30, 2025 | Steven A Brass | President and CEO | Purchase | 362 | $200.46 | $72.6K | SEC ↗ |
| Oct 30, 2025 | Sara Kathleen Hyzer | VP, Finance & CFO | Purchase | 200 | $200.46 | $40.1K | SEC ↗ |
| Oct 27, 2025 | Daniel T Carter | Director | Purchase | 1.0K | $199.37 | $199.4K | SEC ↗ |
| Apr 15, 2025 | Sara Kathleen Hyzer | VP, Finance & CFO | Purchase | 256 | $222.83 | $57.0K | SEC ↗ |
| Nov 15, 2024 | William B Noble | Group Managing Director | Sale | 1.0K | $289.70 | $289.7K | SEC ↗ |
| Oct 24, 2024 | William B Noble | Group Managing Director, EIMEA | Sale | 800 | $256.98 | $205.6K | SEC ↗ |
| May 10, 2024 | Sara Kathleen Hyzer | VP, Finance & CFO | Purchase | 213 | $232.83 | $49.6K | SEC ↗ |
| Apr 17, 2024 | Steven A Brass | President and CEO | Purchase | 432 | $232.22 | $100.3K | SEC ↗ |
| Apr 12, 2024 | David Pendarvis | Director | Purchase | 328 | $234.75 | $77.0K | SEC ↗ |
| Feb 13, 2024 | Jeffrey G Lindeman | VP, Chief People, Cult. & Cap. | Purchase | 182 | $272.42 | $49.6K | SEC ↗ |
| Jun 16, 2023 | Patricia Q Olsem | Division President, Americas | Sale | 420 | $200.00 | $84.0K | SEC ↗ |
| Apr 14, 2023 | Jeffrey G Lindeman | VP, Chief People Officer | Purchase | 543 | $179.08 | $97.2K | SEC ↗ |
| Apr 14, 2023 | Steven A Brass | President and CEO | Purchase | 558 | $179.08 | $99.9K | SEC ↗ |
| Apr 14, 2023 | Sara Kathleen Hyzer | VP, Finance & CFO | Purchase | 168 | $179.08 | $30.1K | SEC ↗ |
| Apr 14, 2023 | Phenix Q. Kiamilev | VP, General Counsel & Corp Sec | Purchase | 224 | $179.08 | $40.1K | SEC ↗ |
| Feb 3, 2023 | Patricia Q Olsem | Division President, Americas | Sale | 438 | $180.00 | $78.8K | SEC ↗ |
| Jan 19, 2023 | Steven A Brass | President and CEO | Purchase | 586 | $170.57 | $100.0K | SEC ↗ |
| Nov 15, 2022 | Patricia Q Olsem | Division President, Americas | Sale | 625 | $165.00 | $103.1K | SEC ↗ |
| Oct 27, 2022 | Steven A Brass | President and CEO | Purchase | 632 | $158.16 | $100.0K | SEC ↗ |
Showing the 25 most recent of 51 Form 4 filings for WD 40 CO.
Most active WDFC insiders
- Steven A Brass8 filings
- Geoffrey Holdsworth7 filings
- William B Noble6 filings
- Patricia Q Olsem5 filings
- Sara Kathleen Hyzer4 filings
Ask anything about WDFC insider activity
Use Trabud's AI agent to query WD 40 CO's Form 4 history in plain English — "Show me WDFC CEO purchases this year" or compare it against any other ticker.
Open the AI agentWDFC insider trading FAQ
Are WD 40 CO insiders buying or selling?
In the last 12 months, WD 40 CO insiders reported 7 open-market purchases ($627.6K) and 2 sales ($117.1K) — net buying of $510.5K. Since January 2018, Trabud has recorded 51 Form 4 filings for WDFC: 21 buys ($1.7M) and 30 sells ($21.0M). Over the full record that is net selling of $19.3M.
How many insiders trade WDFC stock?
16 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for WD 40 CO. The most recent filing was accepted on Aug 14, 2026.
Where does Trabud get WDFC insider trading data?
All WDFC insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.