See up to 3 months of WDFC. The 7-day demo opens the 1M and 3M ranges and puts WDFC on your watchlist.
Start 7-day demoLatest WDFC insider trades
Patricia Q. Olsem - OfficerOpen-market sale$47K- Patricia Q. Olsem - OfficerOpen-market sale$70K
About WD 40 CO (WDFC)
WD 40 CO is an SEC registrant, filing under CIK 0000105132, classified as miscellaneous chemical products. It is grouped with Materials companies on this site.
WDFC Form 4 activity by transaction type, last 90 days
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market sale | 2 | 500 | $117K |
| Grant or award | 7 | 16,291 |
Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.
WDFC insider transactions (Form 4)
4951 Form 4 filings on record, the earliest from Oct 7, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| David Pendarvis | Grant or award | Common Stock | 412 | - | - | |
| Eric Etchart | Grant or award | Common Stock | 412 | - | - | |
| Eric Etchart | Grant or award | Common Stock | 281 | - | - | |
| Edward O. Magee Jr. | Grant or award | Common Stock | 412 | - | - | |
| Edward O. Magee Jr. | Grant or award | Common Stock | 93 | - | - | |
| Graciela Monteagudo | Grant or award | Common Stock | 412 | - | - | |
| Lara L. Lee | Grant or award | Common Stock | 412 | - | - | |
| Cynthia Burks | Grant or award | Common Stock | 412 | - | - | |
| Daniel T. Carter | Grant or award | Common Stock | 412 | - | - | |
| Trevor I. Mihalik | Grant or award | Common Stock | 412 | - | - | |
| Trevor I. Mihalik | Grant or award | Common Stock | 281 | - | - | |
| William B. Noble - Officer | Open-market sale | Common Stock | 1,000 | $289.70 | $290K | |
| Patricia Q. Olsem - Officer | Tax withholding / forfeiture | Common Stock | 333 | - | - | |
| Patricia Q. Olsem - Officer | Tax withholding / forfeiture | Common Stock | 326 | - | - | |
| Patricia Q. Olsem - Officer | Tax withholding / forfeiture | Common Stock | 59 | - | - | |
 Sara Kathleen Hyzer - Officer | Tax withholding / forfeiture | Common Stock | 429 | - | - | |
| Sara Kathleen Hyzer - Officer | Tax withholding / forfeiture | Common Stock | 344 | - | - | |
| Sara Kathleen Hyzer - Officer | Tax withholding / forfeiture | Common Stock | 73 | - | - | |
| William B. Noble - Officer | Tax withholding / forfeiture | Common Stock | 245 | - | - | |
| William B. Noble - Officer | Tax withholding / forfeiture | Common Stock | 204 | - | - | |
| William B. Noble - Officer | Tax withholding / forfeiture | Common Stock | 71 | - | - | |
| William B. Noble - Officer | Open-market sale | Common Stock | 800 | $256.98 | $206K | |
| Phenix Q. Kiamilev - Officer | Tax withholding / forfeiture | Common Stock | 255 | - | - | |
| Phenix Q. Kiamilev - Officer | Tax withholding / forfeiture | Common Stock | 238 | - | - | |
| Phenix Q. Kiamilev - Officer | Tax withholding / forfeiture | Common Stock | 38 | - | - | |
 Jeffrey G. Lindeman - Officer | Tax withholding / forfeiture | Common Stock | 222 | - | - | |
| Jeffrey G. Lindeman - Officer | Tax withholding / forfeiture | Common Stock | 140 | - | - | |
| Jeffrey G. Lindeman - Officer | Tax withholding / forfeiture | Common Stock | 45 | - | - | |
 Steven A. Brass - Officer | Tax withholding / forfeiture | Common Stock | 1,672 | - | - | |
| Steven A. Brass - Officer | Tax withholding / forfeiture | Common Stock | 1,058 | - | - | |
| Steven A. Brass - Officer | Tax withholding / forfeiture | Common Stock | 253 | - | - | |
| Jeffrey G. Lindeman - Officer | Grant or award | Common Stock | 637 | - | - | |
| Jeffrey G. Lindeman - Officer | Grant or award | Common Stock | 390 | - | - | |
| Jeffrey G. Lindeman - Officer | Grant or award | Common Stock | 125 | - | - | |
| Steven A. Brass - Officer | Grant or award | Common Stock | 5,887 | - | - | |
| Steven A. Brass - Officer | Grant or award | Common Stock | 2,086 | - | - | |
| Steven A. Brass - Officer | Grant or award | Common Stock | 498 | - | - | |
| Phenix Q. Kiamilev - Officer | Grant or award | Common Stock | 637 | - | - | |
| Phenix Q. Kiamilev - Officer | Grant or award | Common Stock | 665 | - | - | |
| Phenix Q. Kiamilev - Officer | Grant or award | Common Stock | 106 | - | - | |
| Sara Kathleen Hyzer - Officer | Grant or award | Common Stock | 1,177 | - | - | |
| Sara Kathleen Hyzer - Officer | Grant or award | Common Stock | 677 | - | - | |
| Sara Kathleen Hyzer - Officer | Grant or award | Common Stock | 144 | - | - | |
| William B. Noble - Officer | Grant or award | Common Stock | 441 | - | - | |
| William B. Noble - Officer | Grant or award | Common Stock | 434 | - | - | |
| William B. Noble - Officer | Grant or award | Common Stock | 151 | - | - | |
| Patricia Q. Olsem - Officer | Grant or award | Common Stock | 765 | - | - | |
| Patricia Q. Olsem - Officer | Grant or award | Common Stock | 912 | - | - | |
| Patricia Q. Olsem - Officer | Grant or award | Common Stock | 164 | - | - |
Recent WDFC Form 144 notices of proposed sale
1An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| Olsem Patricia Q | Officer | 600 | $136K | View on EDGAR |
WDFC insider trading FAQ
What is the latest insider trade for WDFC?
WD 40 CO (WDFC) had 9 insider filings in the last 90 days, with the most recent on 2026-10-13. The full record for WDFC runs to 51 Form 4 filings, the earliest from 2024-10-07. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying WDFC stock?
No insider purchases of WDFC were filed in the last 90 days. 8 purchases are on record for this company.
How many insiders are selling WDFC stock?
2 insider sales of WDFC were filed in the last 90 days, totaling $117K.
Where can I see WDFC SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects WDFC Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
More Materials companies with insider activity
Recent insider filings
10The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.
- - Nicholas Daniel Giordano view on EDGAR
- - Steven A. Brass view on EDGAR
- - Christophe Paul Cloez view on EDGAR
- - Patricia Q. Olsem view on EDGAR
- - Sara Kathleen Hyzer view on EDGAR
- - Jeffrey G. Lindeman view on EDGAR
- - Phenix Q. Kiamilev view on EDGAR
- - Patricia Q. Olsem view on EDGAR
- - Patricia Q. Olsem view on EDGAR
Related companies with recent insider activity
Learn more
- Insider selling: signal or noise?
- Why most insider sales are routine, and the few patterns worth a second look.
- Form 144 vs Form 4
- A Form 144 announces a planned sale; the Form 4 reports it after it happens.
- Insider activity in Materials
- Where WDFC's peers are being bought and sold.
- Every recent Form 4
- The market-wide feed, updated as filings arrive from SEC EDGAR.
Follow WDFC with a 7-day demo
- WDFC on your watchlist
- Every WDFC Form 4 filing on record
- Up to 3 months of WDFC price history
- The daily trading plan of ranked insider buys, on a delay, with the plan archive
