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WD 40 CO

WDFC Net selling
CIK 0000105132 #1772 in the set updated 19 Sep 2026
Bought (120 mo)
$1.72M
out of their own pocket, the only kind of buying there is
Sold (120 mo)
$22.02M
$84.00K on a plan · $535.94K straight out of an exercise
Sold at will
$21.40M
34 of 42 sales
Net
−$20.31M
−$19.69M against sales at will

By person

31 insiders · 64 transactions
11.6×

Steven A. Brass holds 11.6 times base salary in stock. $7.92M of shares against $680.00K in salary for 2025.

Salary from the company's own proxy. The shares are what Steven A. Brass last reported holding, valued at $234.72, the price Common Stock was last bought or sold at on the open market here, on 13 Aug 2026.

Insider
Role
Bought
Sold
Net
Holding
Of company
Worth
Change
RIDGE GARRY O
Director
—
$11.94M (3)
−$11.94M
77,172
0.5750%
$18.11M
−18.7%
FREEMAN MICHAEL L
Chief Strategy Officer
—
$2.50M (3)
−$2.50M
13,351
0.0995%
$3.13M
−51.3%
HOLDSWORTH GEOFFREY
Managing Director, Asia-Pac.
—
$2.21M (7)
−$2.21M
6,061
0.0452%
$1.42M
−37.4%
NOBLE WILLIAM B
Group Managing Director
—
$1.32M (7)
−$1.32M
8,097
0.0603%
$1.90M
−17.2%
REMBOLT JAY
VP, Finance, Treasurer & CFO
—
$1.19M (8)
−$1.19M
44,126
0.3288%
$10.36M
+26.3%
CLAMPITT RICHARD T
VP, General Counsel
—
$746.39K (1)
−$746.39K
6,734
0.0502%
$1.58M
+32.0%
SEWITCH STANLEY JR
VP, Global Org. Dev.
—
$715.01K (2)
−$715.01K
8,597
0.0641%
$2.02M
−1.7%
CRIVELLO MARIO L
Director
—
$492.68K (1)
−$492.68K
269,361
2.01%
$63.22M
−1.5%
Olsem Patricia Q
Division President, Americas
—
$383.03K (5)
−$383.03K
9,848
0.0734%
$2.31M
+26.9%
PENDARVIS DAVID
Director
$284.49K (3)
—
+$284.49K
6,898
0.0514%
$1.62M
+613.3%
CARTER DANIEL T
Director
$199.37K (1)
—
+$199.37K
7,817
0.0582%
$1.83M
+831.7%
PITTARD DANIEL E
Director
$198.70K (3)
—
+$198.70K
4,150
0.0309%
$974.09K
+432.7%
Etchart Eric
Director
$185.81K (2)
—
+$185.81K
9,349
0.0697%
$2.19M
+413.7%
HYZER SARA KATHLEEN
VP, Finance & CFO
$176.81K (4)
—
+$176.81K
5,935
0.0442%
$1.39M
+341.6%
LINDEMAN JEFFREY G
VP, Chief People, Cult. & Cap.
$146.82K (2)
—
+$146.82K
4,900
0.0365%
$1.15M
+974.6%
BATEMAN GILES H
Director
—
$127.03K (1) scheduled
−$127.03K
17,401
0.1297%
$4.08M
+17.8%
Brass Steven A
President and CEO
$472.72K (5)
$393.93K (4)
+$78.80K
33,761
0.2516%
$7.92M
+613.8%
KIAMILEV PHENIX Q.
VP, GC & Chief Compliance Ofcr
$51.14K (2)
—
+$51.14K
7,847
0.0585%
$1.84M
+92.0%
Schmale Neal E
Director
—
—
—
27,973
0.2084%
$6.57M
+10.1%
BEWLEY PETER D
Director
—
—
—
25,736
0.1918%
$6.04M
+7.5%
LANG LINDA
Director
—
—
—
20,008
0.1491%
$4.70M
+14.3%
SANDFORT GREGORY A
Director
—
—
—
19,479
0.1451%
$4.57M
+41.3%
CLAASSEN MELISSA
Director
—
—
—
6,741
0.0502%
$1.58M
+294.4%
MIHALIK TREVOR I
Director
—
—
—
4,184
0.0312%
$982.07K
+346.1%
Saunders Anne
Director
—
—
—
3,363
0.0251%
$789.36K
+745.0%
Monteagudo Graciela
Director
—
—
—
2,873
0.0214%
$674.35K
+691.5%
Magee Edward O Jr
Director
—
—
—
2,613
0.0195%
$613.32K
+438.8%
Lee Lara L
Director
—
—
—
2,503
0.0186%
$587.50K
+859.0%
Burks Cynthia
Director
—
—
—
1,903
0.0142%
$446.67K
—
PARTLO RAE ANN
VP, Corporate Controller
—
—
—
1,872
0.0139%
$439.40K
+107.5%
Plunk Ken Allen
Director
—
—
—
515
0.0038%
$120.88K
—

Individual transactions

64
Insider
Date
Role
Action
Shares
Price
Amount
Olsem Patricia Q
13 Aug 2026
Division President, Americas
Sell
200
$234.72
$46.94K
Olsem Patricia Q
10 Aug 2026
Division President, Americas
Sell
300
$233.73
$70.12K
PENDARVIS DAVID
5 Feb 2026
Director
Buy
424
$247.15
$104.79K
PENDARVIS DAVID
30 Oct 2025
Director
Buy
523
$196.37
$102.70K
Etchart Eric
30 Oct 2025
Director
Buy
500
$194.02
$97.01K
HYZER SARA KATHLEEN
28 Oct 2025
VP, Finance & CFO
Buy
200
$200.46
$40.09K
Brass Steven A
28 Oct 2025
President and CEO
Buy
362
$200.46
$72.57K
KIAMILEV PHENIX Q.
28 Oct 2025
VP, GC & Chief Compliance Ofcr
Buy indirect
55
$200.46
$11.03K
CARTER DANIEL T
27 Oct 2025
Director
Buy
1,000
$199.37
$199.37K
HYZER SARA KATHLEEN
11 Apr 2025
VP, Finance & CFO
Buy
256
$222.83
$57.04K
NOBLE WILLIAM B
13 Nov 2024
Group Managing Director
Sell
1,000
$289.70
$289.70K
NOBLE WILLIAM B
22 Oct 2024
Group Managing Director, EIMEA
Sell
800
$256.98
$205.58K
HYZER SARA KATHLEEN
9 May 2024
VP, Finance & CFO
Buy
213
$232.83
$49.59K
Brass Steven A
16 Apr 2024
President and CEO
Buy
432
$232.22
$100.32K
PENDARVIS DAVID
12 Apr 2024
Director
Buy
328
$234.75
$77.00K
LINDEMAN JEFFREY G
12 Feb 2024
VP, Chief People, Cult. & Cap.
Buy
182
$272.42
$49.58K
Olsem Patricia Q
14 Jun 2023
Division President, Americas
Sold on a plan indirect
420
$200.00
$84.00K
KIAMILEV PHENIX Q.
13 Apr 2023
VP, General Counsel & Corp Sec
Buy
224
$179.08
$40.11K
HYZER SARA KATHLEEN
13 Apr 2023
VP, Finance & CFO
Buy
168
$179.08
$30.09K
Brass Steven A
13 Apr 2023
President and CEO
Buy
558
$179.08
$99.93K
LINDEMAN JEFFREY G
13 Apr 2023
VP, Chief People Officer
Buy
543
$179.08
$97.24K
Olsem Patricia Q
2 Feb 2023
Division President, Americas
Sell indirect
438
$180.00
$78.84K
Brass Steven A
18 Jan 2023
President and CEO
Buy
586
$170.57
$99.95K
Olsem Patricia Q
10 Nov 2022
Division President, Americas
Sell indirect
625
$165.00
$103.13K
Brass Steven A
26 Oct 2022
President and CEO
Buy
632
$158.16
$99.96K
HOLDSWORTH GEOFFREY
24 Oct 2022
Managing Director, Asia-Pac.
Sell
2,652
$152.12
$403.42K
Etchart Eric
4 Aug 2022
Director
Buy
500
$177.60
$88.80K
CLAMPITT RICHARD T
22 Oct 2021
VP, General Counsel
Sell indirect
3,420
$218.24
$746.39K
HOLDSWORTH GEOFFREY
22 Jul 2021
Managing Director AsiaPacific
Sell
1,345
$240.93
$324.05K
RIDGE GARRY O
21 Jul 2021
CEO and Chairman of the Board
Sell
24,399
$243.17
$5.93M
RIDGE GARRY O
20 Jul 2021
CEO and Chairman of the Board
Sell
15,601
$254.65
$3.97M
RIDGE GARRY O
19 Jul 2021
CEO and Chairman of the Board
Sell
8,075
$252.46
$2.04M
NOBLE WILLIAM B
26 Jan 2021
Managing Director, Europe
Sell
583
$305.46
$178.08K
HOLDSWORTH GEOFFREY
12 Nov 2020
Managing Director AsiaPacific
Sell
1,507
$254.32
$383.26K
REMBOLT JAY
28 Oct 2020
Vice President Finance & CFO
Sell
1,552
$240.00
$372.48K
REMBOLT JAY
27 Oct 2020
Vice President Finance & CFO
Sell
1,729
$235.00
$406.32K
HOLDSWORTH GEOFFREY
26 Oct 2020
Managing Director AsiaPacific
Sell
1,603
$236.27
$378.74K
NOBLE WILLIAM B
21 Oct 2020
Managing Director, Europe
Sell
500
$220.00
$110.00K
NOBLE WILLIAM B
21 Oct 2020
Managing Director, Europe
Sell
500
$215.00
$107.50K
NOBLE WILLIAM B
18 Aug 2020
Managing Director, Europe
Sell
500
$199.70
$99.85K
Brass Steven A
22 Jan 2020
President & COO
Sell
677
$189.14
$128.05K
HOLDSWORTH GEOFFREY
15 Aug 2019
Managing Director AsiaPacific
Sell
1,408
$182.28
$256.65K
PITTARD DANIEL E
18 Apr 2019
Director
Buy
400
$165.00
$66.00K
Brass Steven A
18 Apr 2019
Section 16 Officer
Sell
822
$164.30
$135.05K
FREEMAN MICHAEL L
16 Nov 2018
Chief Strategy Officer
Sell indirect
6,000
$167.36
$1.00M
FREEMAN MICHAEL L
14 Nov 2018
Chief Strategy Officer
Sell
5,386
$169.23
$911.47K
SEWITCH STANLEY JR
29 Oct 2018
VP, Global Org. Dev.
Sell
2,167
$166.15
$360.05K
SEWITCH STANLEY JR
25 Oct 2018
VP, Global Org. Dev.
Sell
2,167
$163.80
$354.96K
NOBLE WILLIAM B
15 Aug 2018
Managing Director, Europe
Sell
2,000
$166.13
$332.26K
HOLDSWORTH GEOFFREY
18 Jul 2018
Managing Director AsiaPacific
Sell
1,592
$157.90
$251.38K
PITTARD DANIEL E
10 May 2018
Director
Buy
530
$132.65
$70.30K
Brass Steven A
13 Apr 2018
Section 16 Officer
Sell
500
$130.80
$65.40K
Brass Steven A
13 Apr 2018
Section 16 Officer
Sell
500
$130.85
$65.43K
FREEMAN MICHAEL L
13 Feb 2018
Chief Strategy Officer
Sell
4,861
$119.58
$581.28K
HOLDSWORTH GEOFFREY
29 Jan 2018
Managing Director AsiaPacific
Sell
1,690
$126.85
$214.38K
REMBOLT JAY
9 Oct 2017
Vice President Finance & CFO
Sold after exercise
676
$112.60
$76.12K
REMBOLT JAY
14 Sep 2017
Vice President Finance & CFO
Sold after exercise
582
$110.00
$64.02K
REMBOLT JAY
14 Sep 2017
Vice President Finance & CFO
Sold after exercise
579
$112.00
$64.85K
REMBOLT JAY
19 Jun 2017
Vice President Finance & CFO
Sold after exercise
615
$112.00
$68.88K
REMBOLT JAY
9 Jun 2017
Vice President Finance & CFO
Sold after exercise
618
$110.00
$67.98K
REMBOLT JAY
2 Jun 2017
Vice President Finance & CFO
Sold after exercise
621
$108.00
$67.07K
CRIVELLO MARIO L
8 May 2017
Director
Sell
4,726
$104.25
$492.68K
PITTARD DANIEL E
8 Nov 2016
Director
Buy
600
$104.00
$62.40K
BATEMAN GILES H
25 Oct 2016
Director
Sold after exercise
1,176
$108.02
$127.03K

What was left out

Form 4 filings counted 287
Amendments (4/A) skipped 4
Filings about a different issuer 0
Unreadable filings 0
Joint filings 0
Sales on a Rule 10b5-1 plan 1
Sales straight out of an exercise 7
Sales at will 34
Transactions with no price 0
Shares from compensation/vesting 374,210
Sales filed before the plan box existed 30
History held since 30 Aug 2016