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Wd 40 Co. (WDFC)

Wd 40 Co. (WDFC) Insider Trading

Directors, officers and holders of more than 10% of WDFC report their trades in its stock on SEC Form 4, within two business days. Each row below is one Form 4 transaction line. The one-letter code says what kind of transaction it was: only P (purchase) and S (sale) are open-market or private trades; awards, option exercises, tax withholding and gifts carry other codes.

Recent Form 4 transactions

The 50 most recent of 106 transactions on file: 7 with code P, 2 with code S and 41 with other codes.

DateInsiderCodeShares
Oct 26, 2026Olsem Patricia QF Tax Payment332
Oct 26, 2026CLOEZ CHRISTOPHE PAULF Tax Payment183
Oct 26, 2026Brass Steven AF Tax Payment3,101
Oct 26, 2026KIAMILEV PHENIX Q.F Tax Payment293
Oct 26, 2026GIORDANO NICHOLAS DANIELF Tax Payment34
Oct 26, 2026HYZER SARA KATHLEENF Tax Payment693
Oct 26, 2026LINDEMAN JEFFREY GF Tax Payment269
Oct 8, 2026KIAMILEV PHENIX Q.A Award1,103
Oct 8, 2026GIORDANO NICHOLAS DANIELA Award257
Oct 8, 2026CLOEZ CHRISTOPHE PAULA Award1,103
Oct 8, 2026HYZER SARA KATHLEENA Award1,961
Oct 8, 2026Brass Steven AA Award9,808
Oct 8, 2026Olsem Patricia QA Award1,054
Oct 8, 2026LINDEMAN JEFFREY GA Award1,005
Aug 13, 2026Olsem Patricia QS Sale200
Aug 10, 2026Olsem Patricia QS Sale300
Feb 18, 2026Plunk Ken AllenA Award515
Feb 5, 2026PENDARVIS DAVIDP Purchase424
Dec 12, 2025Monteagudo GracielaA Award612
Dec 12, 2025Lee Lara LA Award612
Dec 12, 2025Saunders AnneA Award612
Dec 12, 2025CARTER DANIEL TA Award612
Dec 12, 2025Magee Edward O JrA Award612
Dec 12, 2025Burks CynthiaA Award612
Dec 12, 2025Etchart EricA Award367
Dec 12, 2025Etchart EricA Award612
Dec 12, 2025PENDARVIS DAVIDA Award612
Oct 30, 2025PENDARVIS DAVIDP Purchase523
Oct 30, 2025Etchart EricP Purchase500
Oct 28, 2025KIAMILEV PHENIX Q.P Purchase55
Oct 28, 2025Brass Steven AP Purchase362
Oct 28, 2025HYZER SARA KATHLEENP Purchase200
Oct 27, 2025HYZER SARA KATHLEENF Tax Payment455
Oct 27, 2025Brass Steven AF Tax Payment2,380
Oct 27, 2025LINDEMAN JEFFREY GF Tax Payment260
Oct 27, 2025LINDEMAN JEFFREY GF Tax Payment294
Oct 27, 2025Olsem Patricia QF Tax Payment401
Oct 27, 2025KIAMILEV PHENIX Q.F Tax Payment267
Oct 27, 2025Olsem Patricia QF Tax Payment335
Oct 27, 2025KIAMILEV PHENIX Q.F Tax Payment294
Oct 27, 2025CARTER DANIEL TP Purchase1,000
Oct 27, 2025NOBLE WILLIAM BF Tax Payment316
Oct 27, 2025NOBLE WILLIAM BF Tax Payment258
Oct 27, 2025HYZER SARA KATHLEENF Tax Payment533
Oct 27, 2025Brass Steven AF Tax Payment1,972
Oct 9, 2025Brass Steven AA Award7,783
Oct 9, 2025Brass Steven AA Award3,883
Oct 9, 2025HYZER SARA KATHLEENA Award895
Oct 9, 2025HYZER SARA KATHLEENA Award1,751
Oct 9, 2025KIAMILEV PHENIX Q.A Award821

The full Form 4 history is on the WDFC company page (Insider Trades card, View all).

Questions about this data

Which insider transactions are open-market trades?

Code P (open market or private purchase) and code S (open market or private sale). Code F is shares withheld to pay tax on vesting stock, A is an award from the company, M and X are option exercises and G is a gift. None of those is the insider choosing to buy or sell in the market.

How quickly are insider trades reported?

A Form 4 is due before the end of the second business day after the trade. The date shown is the transaction date from the form.

Who has to file Form 4?

Officers, directors and beneficial owners of more than 10% of a class of the company’s registered equity, under Section 16 of the Securities Exchange Act.

Look up any code in the Form 4 transaction code reference, or read Form 4 codes explained.