WDFC WD-40 Company

NASDAQ
$199.17

WD-40 Company (WDFC) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

Insider signal Bullish Insiders bought more than they sold over this window — uncommon at any size.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
6
7 transactions
Insiders selling
1
2 transactions
Purchases
$627.6K
3,064 shares
Sales
$117.1K
500 shares
Net activity
$510.5K
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $117.1K 2 transactions · 500 shares

Largest single sale: $70.1K.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: February 5, 2026 , by PENDARVIS DAVID .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Olsem Patricia Q Division President, Americas Sell 200 $234.72 $46.9K 4,574 −4.2% of holding
Olsem Patricia Q Division President, Americas Sell 300 $233.73 $70.1K 4,774 −5.9% of holding
PENDARVIS DAVID Director Buy 424 $247.15 $104.8K 6,898
PENDARVIS DAVID Director Buy 523 $196.37 $102.7K 5,862
Etchart Eric Director Buy 500 $194.02 $97.0K 8,370
Brass Steven A President and CEO Buy 362 $200.46 $72.6K 33,761
HYZER SARA KATHLEEN VP, Finance & CFO Buy 200 $200.46 $40.1K 5,935
KIAMILEV PHENIX Q. VP, GC & Chief Compliance Ofcr Buy 55 $200.46 $11.0K 4,303
CARTER DANIEL T Director Buy 1,000 $199.37 $199.4K 7,205

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.