WDFC
Wd-40 Co (WDFC)
NASDAQ
$213.15+$0.44 (+0.21%)
Price as of Oct 23, 2026 7:30 PM EDT
  • $2.8B
    Market Cap
  • 7.06%
    1-Year Change
  • Specialty Chemicals
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
BLACKROCK FUNDING, INC. /DE
15.82%
2.1M
+49,407 (+2.33%)
Dec 31, 2024
BLACKROCK, INC.
15.47%
2.1M
+55,768 (+2.69%)
Jun 30, 2026
BLACKROCK INC.
15.37%
2.1M
-34,167 (-1.66%)
Jun 30, 2024
VANGUARD GROUP INC
12.30%
1.7M
+47,528 (+2.88%)
Dec 31, 2025
APG ALL PENSIONS GROUP NV
12.24%
1.6M
0 (0.00%)
Dec 31, 2021
BLACKROCK FUND ADVISORS
8.20%
1.1M
+137,035 (+12.45%)
Dec 31, 2016
N/A
8.02%
1.1M
+37,790 (+3.51%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions235.8M (76.56%)
  • Mutual Funds71.7M (23.28%)
  • Insiders490,692 (0.16%)
  • Other0 (0.00%)

Insider Transactions

  • 0.16% (490,692)
    Current InsiderOwnership (%, shares)
  • 5
    Number of InsiderBuying (last 12 months)
  • $12.2M
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $1.0M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
KIAMILEV PHENIX Q.
VP, GC & Chief Compliance Ofcr
Award
Oct 08, 2026
$0.00
1,103
$0.00
5,410
HYZER SARA KATHLEEN
VP, Finance & CFO
Award
Oct 08, 2026
$0.00
1,961
$0.00
7,910
LINDEMAN JEFFREY G
VP, Chief People, Cult. & Cap.
Award
Oct 08, 2026
$0.00
1,005
$0.00
5,631
Brass Steven A
CEO and President
Award
Oct 08, 2026
$0.00
9,808
$0.00
40,971
CLOEZ CHRISTOPHE PAUL
Managing Director, EIMEA
Award
Oct 08, 2026
$0.00
1,103
$0.00
5,588
GIORDANO NICHOLAS DANIEL
VP, Corporate Controller & CAO
Award
Oct 08, 2026
$0.00
257
$0.00
597
Olsem Patricia Q
Division President, Americas
Sell
Aug 13, 2026
$46,944.00
200
$234.72
4,574
Plunk Ken Allen
Award
Feb 18, 2026
$0.00
515
$0.00
515
PENDARVIS DAVID
Buy
Feb 05, 2026
$104,791.60
424
$247.15
6,898
Etchart Eric
Buy
Oct 30, 2025
$97,010.00
500
$194.02
8,370
HYZER SARA KATHLEEN
VP, Finance & CFO
Buy
Oct 28, 2025
$40,092.00
200
$200.46
5,935
Brass Steven A
President and CEO
Buy
Oct 28, 2025
$72,566.52
362
$200.46
33,761
CARTER DANIEL T
Buy
Oct 27, 2025
$199,370.00
1,000
$199.37
7,205
Brass Steven A
President and CEO
In Kind
Oct 27, 2025
$0.00
2,380
$0.00
35,371
Olsem Patricia Q
Division President, Americas
In Kind
Oct 27, 2025
$0.00
335
$0.00
5,475
KIAMILEV PHENIX Q.
VP, GC & Chief Compliance Ofcr
In Kind
Oct 27, 2025
$0.00
267
$0.00
4,542
Olsem Patricia Q
Division President, Americas
In Kind
Oct 27, 2025
$0.00
401
$0.00
5,074
Brass Steven A
President and CEO
In Kind
Oct 27, 2025
$0.00
1,972
$0.00
33,399
KIAMILEV PHENIX Q.
VP, GC & Chief Compliance Ofcr
In Kind
Oct 27, 2025
$0.00
294
$0.00
4,248
Brass Steven A
President and CEO
Award
Oct 09, 2025
$0.00
7,783
$0.00
33,868
LINDEMAN JEFFREY G
VP, Chief People, Cult. & Cap.
Award
Oct 09, 2025
$0.00
843
$0.00
4,633
KIAMILEV PHENIX Q.
VP, GC & Chief Compliance Ofcr
Award
Oct 09, 2025
$0.00
972
$0.00
3,988
HYZER SARA KATHLEEN
VP, Finance & CFO
Award
Oct 09, 2025
$0.00
1,751
$0.00
5,828
Brass Steven A
President and CEO
Award
Oct 09, 2025
$0.00
3,883
$0.00
37,751
LINDEMAN JEFFREY G
VP, Chief People, Cult. & Cap.
Award
Oct 09, 2025
$0.00
821
$0.00
5,454
KIAMILEV PHENIX Q.
VP, GC & Chief Compliance Ofcr
Award
Oct 09, 2025
$0.00
821
$0.00
4,809
HYZER SARA KATHLEEN
VP, Finance & CFO
Award
Oct 09, 2025
$0.00
895
$0.00
6,723
Olsem Patricia Q
Division President, Americas
Award
Oct 09, 2025
$0.00
1,011
$0.00
2,330
Olsem Patricia Q
Division President, Americas
Award
Oct 09, 2025
$0.00
1,120
$0.00
3,450
HYZER SARA KATHLEEN
VP, Finance & CFO
Buy
Apr 11, 2025
$57,044.48
256
$222.83
4,072