LIVE FROM THE DATABASETRANSACTIONS 362,430COMPANIES 5,763LATEST TRADE Oct 16UPDATED Oct 17, 12:31 AM
WDFCCIK 0000105132

WD 40 CO

17 transactions by 11 insiders, from October 27, 2025 to October 8, 2026.

Transactions
1711 insiders
Bought · P
$377Kopen market
Sold · S
$117Kopen market
Net
+$260Knet buying

Officers and directors

People inside the company. What they do with their own shares is the reason this data exists.

InsiderTradesPlannedBoughtSold
Steven A. BrassCEO4—$73K—
Patricia Q. OlsemPres3——$117K
Daniel T. CarterDir2—$199K—
Jeffrey G. LindemanChief1———
Phenix Q. KiamilevGC1———
Cynthia BurksDir1———
Sara Kathleen HyzerCFO1———
Christophe Paul CloezOfficer1———
Nicholas Daniel GiordanoCAO1———
David PendarvisDir1—$105K—
Ken Allen PlunkDir1———

All transactions

17 in total, newest filings first.

InsiderDateCodeSharesPriceValue
Nicholas Daniel GiordanoCAOOct 8A257——
Steven A. BrassCEOOct 8A9,808——
Christophe Paul CloezOfficerOct 8A1,103——
Patricia Q. OlsemPresOct 8A1,054——
Sara Kathleen HyzerCFOOct 8A1,961——
Jeffrey G. LindemanChiefOct 8A1,005——
Phenix Q. KiamilevGCOct 8A1,103——
Patricia Q. OlsemPresAug 13S200$234.72$47K
Patricia Q. OlsemPresAug 10S300$233.73$70K
Ken Allen PlunkDirFeb 18A515——
David PendarvisDirFeb 5P424$247.15$105K
Daniel T. CarterDirDec 12A612——
Cynthia BurksDirDec 12A612——
Steven A. BrassCEOOct 28P362$200.46$73K
Steven A. BrassCEOOct 27F1,972——
Steven A. BrassCEOOct 27F2,380——
Daniel T. CarterDirOct 27P1,000$199.37$199K