WD-40 CO

Ticker: WDFC CUSIP: 929236107 Class: EQTY

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 9 Value ($000) $2 Avg Close $195.95 Range $185.27 - $213.93

Q3 2025

Shares 55 Value ($000) $11 Avg Close $214.35 Range $192.63 - $234.01

Q2 2025

Shares 24 Value ($000) $5 Avg Close $231.83 Range $204.21 - $248.86

Q1 2025

Shares 24 Value ($000) $6 Avg Close $231.88 Range $216.42 - $248.13

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9	$2	$195.95	$185.27 - $213.93
Q3 2025	55	$11	$214.35	$192.63 - $234.01
Q2 2025	24	$5	$231.83	$204.21 - $248.86
Q1 2025	24	$6	$231.88	$216.42 - $248.13