WDFC

WD-40 Company$220.60+0.00 (—)

Prev Close$219.41·MCap$2.85B·P/E37.52·Vol—·Yield0.02%

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Buys (12M)

$104.8K

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Sells (12M)

$117.1K

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Net Activity

Net Seller

$12.3K

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at WD-40 Company (WDFC) has been mixed between buying and selling, with 1 insider purchase totaling $104.8K and 2 insider sales totaling $117.1K. The most recent insider transaction was by Olsem Patricia Q (officer: Division President, Americas), who sold $46.9K worth of shares on Aug 14, 2026. WD-40 Company operates in the Basic Materials sector, within the Chemicals - Specialty industry, with a market cap of $2.85B.

WDFC Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Aug 14, 2026	Olsem Patricia Q	officer: Division President, Americas	Sell	200	$234.72	$46.9K	4,574
Aug 12, 2026	Olsem Patricia Q	officer: Division President, Americas	Sell	300	$233.73	$70.1K	4,774
Feb 6, 2026	PENDARVIS DAVID	director	Buy	424	$247.15	$104.8K	6,898
Oct 30, 2025	Etchart Eric		Buy	500	$194.02	$97.0K	8,370
Oct 30, 2025	PENDARVIS DAVID		Buy	523	$196.37	$102.7K	5,862
Oct 29, 2025	Brass Steven A	President and CEO	Buy	362	$200.46	$72.6K	33,761
Oct 29, 2025	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	200	$200.46	$40.1K	5,935
Oct 29, 2025	KIAMILEV PHENIX Q.	VP, GC & Chief Compliance Ofcr	Buy	55	$200.46	$11.0K	4,303
Oct 27, 2025	CARTER DANIEL T		Buy	1,000	$199.37	$199.4K	7,205
Apr 15, 2025	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	256	$222.83	$57.0K	4,072
Nov 14, 2024	NOBLE WILLIAM B	Group Managing Director	Sell	1,000	$289.70	$289.7K	7,999
Oct 24, 2024	NOBLE WILLIAM B	Group Managing Director, EIMEA	Sell	800	$256.98	$205.6K	8,999
May 10, 2024	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	213	$232.83	$49.6K	2,676
Apr 17, 2024	Brass Steven A	President and CEO	Buy	432	$232.22	$100.3K	20,547
Apr 12, 2024	PENDARVIS DAVID		Buy	328	$234.75	$77.0K	4,934
Feb 13, 2024	LINDEMAN JEFFREY G	VP, Chief People, Cult. & Cap.	Buy	182	$272.42	$49.6K	3,073
Jun 16, 2023	Olsem Patricia Q	Division President, Americas	Sell	420	$200.00	$84.0K	2,323
Apr 14, 2023	Brass Steven A	President and CEO	Buy	558	$179.08	$99.9K	16,533
Apr 14, 2023	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	168	$179.08	$30.1K	1,530
Apr 14, 2023	KIAMILEV PHENIX Q.	VP, General Counsel & Corp Sec	Buy	224	$179.08	$40.1K	1,505
Apr 14, 2023	LINDEMAN JEFFREY G	VP, Chief People Officer	Buy	543	$179.08	$97.2K	2,300+31%
Feb 3, 2023	Olsem Patricia Q	Division President, Americas	Sell	438	$180.00	$78.8K	2,743
Jan 19, 2023	Brass Steven A	President and CEO	Buy	586	$170.57	$100.0K	15,975
Nov 15, 2022	Olsem Patricia Q	Division President, Americas	Sell	625	$165.00	$103.1K	3,181
Oct 27, 2022	Brass Steven A	President and CEO	Buy	632	$158.16	$100.0K	15,389
Oct 25, 2022	HOLDSWORTH GEOFFREY	Managing Director, Asia-Pac.	Sell	2,652	$152.12	$403.4K	6,061-30%
Aug 5, 2022	Etchart Eric	Director	Buy	500	$177.60	$88.8K	5,692
Oct 26, 2021	CLAMPITT RICHARD T	VP, General Counsel	Sell	3,420	$218.24	$746.4K	0Exit
Jul 23, 2021	HOLDSWORTH GEOFFREY	Managing Director AsiaPacific	Sell	1,345	$240.93	$324.1K	6,329
Jul 21, 2021	RIDGE GARRY O	CEO and Chairman of the Board	Sell	48,075	$248.46	$11.94M	93,533-34%

WDFC Insider Buying Activity

The following table shows recent insider purchases of WD-40 Company (WDFC) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Feb 6, 2026	PENDARVIS DAVID	director	Buy	424	$247.15	$104.8K	6,898
Oct 30, 2025	Etchart Eric		Buy	500	$194.02	$97.0K	8,370
Oct 30, 2025	PENDARVIS DAVID		Buy	523	$196.37	$102.7K	5,862
Oct 29, 2025	Brass Steven A	President and CEO	Buy	362	$200.46	$72.6K	33,761
Oct 29, 2025	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	200	$200.46	$40.1K	5,935
Oct 29, 2025	KIAMILEV PHENIX Q.	VP, GC & Chief Compliance Ofcr	Buy	55	$200.46	$11.0K	4,303
Oct 27, 2025	CARTER DANIEL T		Buy	1,000	$199.37	$199.4K	7,205
Apr 15, 2025	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	256	$222.83	$57.0K	4,072
May 10, 2024	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	213	$232.83	$49.6K	2,676
Apr 17, 2024	Brass Steven A	President and CEO	Buy	432	$232.22	$100.3K	20,547
Apr 12, 2024	PENDARVIS DAVID		Buy	328	$234.75	$77.0K	4,934
Feb 13, 2024	LINDEMAN JEFFREY G	VP, Chief People, Cult. & Cap.	Buy	182	$272.42	$49.6K	3,073
Apr 14, 2023	Brass Steven A	President and CEO	Buy	558	$179.08	$99.9K	16,533
Apr 14, 2023	HYZER SARA KATHLEEN	VP, Finance & CFO	Buy	168	$179.08	$30.1K	1,530
Apr 14, 2023	KIAMILEV PHENIX Q.	VP, General Counsel & Corp Sec	Buy	224	$179.08	$40.1K	1,505
Apr 14, 2023	LINDEMAN JEFFREY G	VP, Chief People Officer	Buy	543	$179.08	$97.2K	2,300+31%
Jan 19, 2023	Brass Steven A	President and CEO	Buy	586	$170.57	$100.0K	15,975
Oct 27, 2022	Brass Steven A	President and CEO	Buy	632	$158.16	$100.0K	15,389
Aug 5, 2022	Etchart Eric	Director	Buy	500	$177.60	$88.8K	5,692

WDFC Insider Selling Activity

The following table shows recent insider sales of WD-40 Company (WDFC) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Aug 14, 2026	Olsem Patricia Q	officer: Division President, Americas	Sell	200	$234.72	$46.9K	4,574
Aug 12, 2026	Olsem Patricia Q	officer: Division President, Americas	Sell	300	$233.73	$70.1K	4,774
Nov 14, 2024	NOBLE WILLIAM B	Group Managing Director	Sell	1,000	$289.70	$289.7K	7,999
Oct 24, 2024	NOBLE WILLIAM B	Group Managing Director, EIMEA	Sell	800	$256.98	$205.6K	8,999
Jun 16, 2023	Olsem Patricia Q	Division President, Americas	Sell	420	$200.00	$84.0K	2,323
Feb 3, 2023	Olsem Patricia Q	Division President, Americas	Sell	438	$180.00	$78.8K	2,743
Nov 15, 2022	Olsem Patricia Q	Division President, Americas	Sell	625	$165.00	$103.1K	3,181
Oct 25, 2022	HOLDSWORTH GEOFFREY	Managing Director, Asia-Pac.	Sell	2,652	$152.12	$403.4K	6,061-30%
Oct 26, 2021	CLAMPITT RICHARD T	VP, General Counsel	Sell	3,420	$218.24	$746.4K	0Exit
Jul 23, 2021	HOLDSWORTH GEOFFREY	Managing Director AsiaPacific	Sell	1,345	$240.93	$324.1K	6,329
Jul 21, 2021	RIDGE GARRY O	CEO and Chairman of the Board	Sell	48,075	$248.46	$11.94M	93,533-34%