COMPASS MINERALS INTL INC

Ticker: CMP CUSIP: 20451N101 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2025

Shares 96,026 Value ($000) $1,886 Avg Close $18.50 Range $16.40 - $21.43

Q3 2025

Shares 142,563 Value ($000) $2,737 Avg Close $19.87 Range $17.67 - $22.69

Q2 2025

Shares 15,360 Value ($000) $309 Avg Close $16.16 Range $8.60 - $20.96

Q2 2020

Shares 30,400 Value ($000) $1,482 Avg Close $41.66 Range $30.71 - $50.05

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	96,026	$1,886	$18.50	$16.40 - $21.43
Q3 2025	142,563	$2,737	$19.87	$17.67 - $22.69
Q2 2025	15,360	$309	$16.16	$8.60 - $20.96
Q2 2020	30,400	$1,482	$41.66	$30.71 - $50.05