OLSON KENNETH E

Insider

First SEC filing: March 19, 2004 · Latest: March 19, 2004

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 6 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Dec. 11, 2007	WDFC	A	742	—	—	5,718 Direct	+14.91%	Acquired	(price as of 2026-08-18)
Dec. 12, 2006	WDFC	A	3,800	—	—	15,800 Direct	+31.67%	Acquired	(price as of 2026-08-18)
Dec. 13, 2005	WDFC	A	3,500	—	—	12,000 Direct	+41.18%	Acquired	(price as of 2026-08-18)
Dec. 14, 2004	WDFC	A	2,500	—	—	8,500 Direct	+41.67%	Acquired	(price as of 2026-08-18)
March 1, 2004	WDFC	A	534	$30.90	$16,501	4,976 Direct	+12.02%	Acquired	650.2% (price as of 2026-08-18)
Dec. 16, 2003	WDFC	A	2,000	—	—	6,000 Direct	+50.00%	Acquired	(price as of 2026-08-18)

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Dec. 12, 2006	WDFC	Non Qualified Stock Option	Common Stock (3,800)	$32.78	Dec. 12, 2016	3,800	Acquired
Dec. 13, 2005	WDFC	Non Qualified Stock Option	Common Stock (3,500)	$27.87	Dec. 13, 2015	3,500	Acquired
Dec. 14, 2004	WDFC	Non Qualified Stock Option	Common Stock (2,500)	$29.11	Dec. 14, 2014	2,500	Acquired
Dec. 16, 2003	WDFC	Common Stock	Common Stock (2,000)	$34.74	Dec. 16, 2013	2,000	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).