InsiderSource
WDFC

WD 40 CO

SEC CIK 105132
$224.12 −5.3% · 90 days
90-day buys
$0
0 open-market
90-day sells
$0
0 open-market
Net insider flow
+$0
Net buying
Filings shown
35
Most recent

Insider transaction history

Form 4 filings for WDFC, newest first
View on SEC EDGAR ↗
WDFC
WD 40 CO
Grant/award Lee Lara L · Director · Grant/award · Dec 12, 2025
+$0
612 sh
WDFC
WD 40 CO
Buy Etchart Eric · Director · Open-market purchase · Oct 30, 2025
+$97K
500 sh @ $194
WDFC
WD 40 CO
Buy KIAMILEV PHENIX Q. · VP, GC & Chief Compliance Ofcr · Open-market purchase · Oct 28, 2025
+$11K
55 sh @ $200
WDFC
WD 40 CO
Buy Brass Steven A · Director, President and CEO · Open-market purchase · Oct 28, 2025
+$72.6K
362 sh @ $200
WDFC
WD 40 CO
Tax withholding Olsem Patricia Q · Division President, Americas · Tax withholding · Oct 27, 2025
−$0
335 sh
WDFC
WD 40 CO
Tax withholding Olsem Patricia Q · Division President, Americas · Tax withholding · Oct 27, 2025
−$0
401 sh
WDFC
WD 40 CO
Tax withholding NOBLE WILLIAM B · Group Managing Director · Tax withholding · Oct 27, 2025
−$0
258 sh
WDFC
WD 40 CO
Tax withholding NOBLE WILLIAM B · Group Managing Director · Tax withholding · Oct 27, 2025
−$0
316 sh
WDFC
WD 40 CO
Tax withholding LINDEMAN JEFFREY G · VP, Chief People, Cult. & Cap. · Tax withholding · Oct 27, 2025
−$0
260 sh
WDFC
WD 40 CO
Tax withholding LINDEMAN JEFFREY G · VP, Chief People, Cult. & Cap. · Tax withholding · Oct 27, 2025
−$0
294 sh
WDFC
WD 40 CO
Tax withholding KIAMILEV PHENIX Q. · VP, GC & Chief Compliance Ofcr · Tax withholding · Oct 27, 2025
−$0
267 sh
WDFC
WD 40 CO
Tax withholding KIAMILEV PHENIX Q. · VP, GC & Chief Compliance Ofcr · Tax withholding · Oct 27, 2025
−$0
294 sh
WDFC
WD 40 CO
Tax withholding Brass Steven A · Director, President and CEO · Tax withholding · Oct 27, 2025
−$0
2,380 sh
WDFC
WD 40 CO
Tax withholding Brass Steven A · Director, President and CEO · Tax withholding · Oct 27, 2025
−$0
1,972 sh

About WDFC insider activity

This page tracks every recent Form 4 filed for WD 40 CO with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.

The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.

Frequently asked questions

How often is WDFC insider data updated?

Continuously. We read from SEC EDGAR, so new Form 4 filings for WD 40 CO usually appear here within minutes of being accepted by the SEC.

What does "net insider flow" mean?

It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.

Why do some rows show grants or option exercises instead of buys?

Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.

Is this investment advice?

No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.