WORKDAY INC

Ticker: WDAY CUSIP: 98138H101 Class: CL A

PEAK6 LLC's Holding History (CIK: 0001389958)

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

Q4 2025

Shares 8,166 Value ($000) $1,754 Avg Close $227.21 Range $207.67 - $247.40

Q1 2025

Shares 3,546 Value ($000) $828 Avg Close $255.22 Range $229.29 - $283.68

Q4 2024

Shares 8,482 Value ($000) $2,189 Avg Close $255.47 Range $231.74 - $294.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,166	$1,754	$227.21	$207.67 - $247.40
Q1 2025	3,546	$828	$255.22	$229.29 - $283.68
Q4 2024	8,482	$2,189	$255.47	$231.74 - $294.00