WDFC
WD 40 CO · Manufacturing · Market cap $2.6B
Insiders sold $117K net in the last 90 days ·1 seller, 0 buyers· latest Form 4 filed Aug 14, 2026
Insider Buying
$628K
reported purchases (SEC code P)
Insider Selling
$117K
reported sales (SEC code S)
Unique Insiders
7
in the rolling window
Latest filing
Oct 13, 2026
Olsem Patricia Q
WD 40 CO (WDFC) has 31 SEC Form 4 filings (38 transaction rows) in the rolling window, disclosed by 7 distinct insiders. Most recent filing: Oct 13, 2026.
Inside the rolling window, 7 insiders at WD 40 CO reported 7 open-market purchases totaling $628K and 2 open-market sales totaling $117K. Insiders have net sold $117K over the trailing 6 months. The most recent open-market filing is a sale of 200 shares by Division President, Americas Olsem Patricia Q, dated Aug 13, 2026, worth $47K.
- Industry:Chemicals - Specialty
- CEO:Steven A. Brass
- Employees:714
- HQ:San Diego, CA, US
- IPO:1973-05-03
| Source | |||||||
|---|---|---|---|---|---|---|---|
| Division President, Americas | Sale | 200 | $47K | Aug 14 | -16.0% | SEC ↗ | |
Olsem Patricia QFirst filing | Division President, Americas | Sale | 300 | $70K | Aug 12 | -17.2% | SEC ↗ |
PENDARVIS DAVIDFirst in 3 months | Director | Purchase | 424 | $105K | Feb 6 | -19.3% | SEC ↗ |
PENDARVIS DAVIDFirst filing | Director | Purchase | 523 | $103K | Oct 30 | -0.6% | SEC ↗ |
Etchart EricFirst filing | Director | Purchase | 500 | $97K | Oct 30 | -0.6% | SEC ↗ |
KIAMILEV PHENIX Q.First filing | VP, GC & Chief Compliance Ofcr | Purchase | 55 | $11K | Oct 29 | +0.6% | SEC ↗ |
Brass Steven AFirst filing | President and CEO | Purchase | 362 | $73K | Oct 29 | +0.6% | SEC ↗ |
HYZER SARA KATHLEENFirst filing | VP, Finance & CFO | Purchase | 200 | $40K | Oct 29 | +0.6% | SEC ↗ |
CARTER DANIEL TFirst filing | Director | Purchase | 1,000 | $199K | Oct 27 | -1.4% | SEC ↗ |
Earnings: last 7 quarters
Congress trading WDFC 6 all-time
- RRep. Lisa C. McClainPurchase$1,001 - $15,0002025-07-16
- RRep. Lisa C. McClainOther$1,001 - $15,0002025-07-22
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002020-07-30
- DRep. Josh S. GottheimerOther$1,001 - $15,0002020-07-22
- DRep. Gilbert Ray CisnerosPurchase$1,001 - $15,0002020-04-23
- DRep. Gilbert Ray CisnerosOther$1,001 - $15,0002019-12-12
STOCK Act disclosures are filed up to 45 days after the trade. Amount is a disclosed range, not an exact figure.
Frequently asked questions
How many SEC Form 4 insider filings does WDFC have?
WD 40 CO (WDFC) has 31 SEC Form 4 filings (38 transaction rows) in the rolling 365-day window, disclosed by 7 distinct insiders. Most recent filing: Oct 13, 2026.
When was the most recent SEC Form 4 filing for WDFC?
The most recent Form 4 filing for WDFC on Tracefour is dated Oct 13, 2026.
What is the net insider flow at WDFC over the last 6 months?
Over the trailing 180 days, insiders at WDFC have net sold $117K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at WDFC in the current window?
Inside the rolling window, insiders at WDFC bought $628K and sold $117K based on SEC Form 4 filings.
Can I get alerts for WDFC insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at WD 40 CO (WDFC). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
WD 40 CO is in the Manufacturing sector.