Wd 40 WDFC Insider Ownership

NASDAQ WDFC

$192.56 -8.85 (-4.39%)

At close: Oct 21, 2026 · 4:00 PM EDT

Insider Holdings by Owner

273.17K Shares

Insider Ownership Statistics

as of 30 Sep, 2026

Insider Ownership

0.818%

▼-0.0037% pp QoQ

Shares Held by Insiders

110.05K

filed for Sep 2026

▼-0.45% QoQ

Shares Outstanding

13.45Mn

13,452,000 shares

Direct Holdings

102.83K

Indirect: 7.22K

Net Shares Traded (QoQ)

-500

net selling in Sep 2026

Insiders Holding Shares

with Form 4 holdings on file

Shares Owned by Insiders

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Insiders

Bought Sold

Latest quarter —

Net over range —

Buying quarters —

Insider Ownership Summary

Updated Oct 16, 2026

Across the past 12 months, open-market trades by WD 40 insiders totaled $627,557 in purchases (3.06K shares) and $117,063 in sales (500 shares).

Behind WD 40's open-market trades in the past 12 months were 6 insiders buying and one insider selling.
Among WD 40's insiders, the largest open-market purchases in the past 12 months were by David Pendarvis (Director), totaling $207,493 (947 shares), most recently on February 5, 2026.
On the sell side, Patricia Q. Olsem (Division President, Americas) led open-market sales of WD 40 stock over the past 12 months with $117,063 (500 shares), most recently on August 13, 2026.
In transactions other than open-market trades, WD 40 insiders received 17.79K shares in stock awards and gave up 7.47K shares to cover taxes or exercise prices over the past 12 months.
Per Business Quant data, WD 40 insiders hold 128.31K shares in total based on their latest Form 4 filings, up 16.07% from 110.55K shares at the end of Q2 2026 and up 18.38% from 108.38K shares at the end of Q3 2025.
Direct holdings account for 119.98K shares (93.51%) of WDFC's insider total, and indirect holdings through trusts, partnerships and family members for 8.32K shares (6.49%).
Business Quant counts 18 insiders with holdings in WD 40 stock, among the officers, directors and 10% owners who have filed a Form 4 in the past two years.
WD 40's three biggest insider holders are Steven A. Brass (CEO and President, 40.97K shares), Eric Etchart (Director, 9.35K shares) and Phenix Q. Kiamilev (VP, GC & Chief Compliance Officer, 8.95K shares), based on their latest Form 4 filings.
The largest insider, Steven A. Brass, holds 31.93% of WDFC's insider total.
Institutional holders reported 87.39% of WD 40's outstanding shares for Q2 2026; insiders' latest Form 4 filings put their stake at about 0.95%, and other investors, including the public, hold the remaining 11.66%.
In the last 12 months, 31 Form 4 filings with transactions in WDFC stock came from 17 insiders.
This summary of WD 40 insider activity covers Form 4 filings through October 13, 2026.

Form 4 Holdings

Insiders Holding WDFC

Insiders 24

Shares held 273.17K

Of outstanding 2.03%

#	Insider	Position	Direct	Indirect	Total	Share of Insiders	Last Filed
1	Garry O Ridge	Ceo And Chair Of The Board	64,719	0	64,719	23.7%	25 Oct, 2022
2	Jay Rembolt	Vp, Finance, Treasurer Cfo	44,126	0	44,126	16.2%	25 Oct, 2022
3	Steven A Brass	Ceo And President	40,971	0	40,971	15.0%	13 Oct, 2026
4	Gregory A Sandfort	Director	19,479	0	19,479	7.1%	13 Dec, 2023
5	Sara Kathleen Hyzer	Vp, Finance Cfo	11,982	0	11,982	4.4%	13 Oct, 2026
6	Phenix Q. Kiamilev	Vp, Gc Chief Compliance Ofcr	0	9,658	9,658	3.5%	13 Oct, 2026
7	Eric Etchart	Director	9,349	0	9,349	3.4%	12 Dec, 2025
8	William B Noble	Group Managing Director	8,097	0	8,097	3.0%	29 Oct, 2025
9	Daniel T Carter	Director	7,817	0	7,817	2.9%	12 Dec, 2025
10	David Pendarvis	Director	6,898	0	6,898	2.5%	06 Feb, 2026
11	Melissa Claassen	Director	6,741	0	6,741	2.5%	15 Dec, 2022
12	Geoffrey Holdsworth	Managing Director, Asia Pac.	6,061	0	6,061	2.2%	25 Oct, 2022
13	Jeffrey G Lindeman	Vp, Chief People, Cult. Cap.	5,631	0	5,631	2.1%	13 Oct, 2026
14	Patricia Q Olsem	Division President, Americas	5,628	0	5,628	2.1%	13 Oct, 2026
15	Christophe Paul Cloez	Managing Director, Eimea	5,588	0	5,588	2.0%	13 Oct, 2026
16	Trevor I Mihalik	Director	4,184	0	4,184	1.5%	16 Dec, 2024
17	Anne Saunders	Director	3,363	0	3,363	1.2%	12 Dec, 2025
18	Graciela Monteagudo	Director	2,873	0	2,873	1.1%	12 Dec, 2025
19	Edward O Jr Magee	Director	2,613	0	2,613	1.0%	12 Dec, 2025
20	Lara L Lee	Director	2,503	0	2,503	0.9%	12 Dec, 2025
21	Cynthia Burks	Director	1,903	0	1,903	0.7%	12 Dec, 2025
22	Rae Ann Partlo	Vp, Corporate Controller	1,872	0	1,872	0.7%	25 Oct, 2022
23	Nicholas Daniel Giordano	Vp, Corporate Controller Cao	597	0	597	0.2%	13 Oct, 2026
24	Ken Allen Plunk	Director	515	0	515	0.2%	19 Feb, 2026

Each row is that insider’s most recently reported position, from Form 4 filings over the last 60 months — which is why this total does not tie to the quarterly series above, where a quarter counts only the insiders who filed in it. Shares held through a fund or institutional portfolio are counted on the institutional ownership page instead.

Form 4 Filings

1,541 Insider Transactions

Source SEC Form 4

Latest quarter Sep 2026

Date	Insider	Position	Transaction	Shares	Price	Value	Shares Held After	Ownership
08 Oct, 2026	Christophe Paul Cloez	Managing Director, Eimea	Acquired A	1,103	—	—	5,588	Direct
08 Oct, 2026	Steven A Brass	Ceo And President	Acquired A	9,808	—	—	40,971	Direct
08 Oct, 2026	Phenix Q. Kiamilev	Vp, Gc Chief Compliance Ofcr	Acquired A	1,103	—	—	5,410	Indirect
08 Oct, 2026	Jeffrey G Lindeman	Vp, Chief People, Cult. Cap.	Acquired A	1,005	—	—	5,631	Direct
08 Oct, 2026	Nicholas Daniel Giordano	Vp, Corporate Controller Cao	Acquired A	257	—	—	597	Direct
08 Oct, 2026	Sara Kathleen Hyzer	Vp, Finance Cfo	Acquired A	1,961	—	—	7,910	Direct
08 Oct, 2026	Patricia Q Olsem	Division President, Americas	Acquired A	1,054	—	—	5,628	Direct
13 Aug, 2026	Patricia Q Olsem	Division President, Americas	Disposed S	200	$234.72	$46.94K	4,574	Direct
10 Aug, 2026	Patricia Q Olsem	Division President, Americas	Disposed S	300	$233.73	$70.12K	4,774	Direct
18 Feb, 2026	Ken Allen Plunk	Director	Acquired A	515	—	—	515	Direct
05 Feb, 2026	David Pendarvis	Director	Acquired P	424	$247.15	$104.79K	6,898	Direct
12 Dec, 2025	Anne Saunders	Director	Acquired A	612	—	—	3,363	Direct
12 Dec, 2025	Cynthia Burks	Director	Acquired A	612	—	—	1,903	Direct
12 Dec, 2025	David Pendarvis	Director	Acquired A	612	—	—	6,474	Direct
12 Dec, 2025	Edward O Jr Magee	Director	Acquired A	612	—	—	2,613	Direct
12 Dec, 2025	Lara L Lee	Director	Acquired A	612	—	—	2,503	Direct
12 Dec, 2025	Graciela Monteagudo	Director	Acquired A	612	—	—	2,873	Direct
12 Dec, 2025	Eric Etchart	Director	Acquired A	612	—	—	8,982	Direct
12 Dec, 2025	Daniel T Carter	Director	Acquired A	612	—	—	7,817	Direct
12 Dec, 2025	Eric Etchart	Director	Acquired A	367	—	—	9,349	Direct

Showing 1 to 20 of 1,541 transactions