COMPASS MINERALS INTL INC

Ticker: CMP CUSIP: 20451N101 Class: Common Stock

Koch, Inc.'s Holding History (CIK: 0002027344)

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

Q4 2025

Shares 7,034,609 Value ($000) $138,160 Avg Close $18.50 Range $16.40 - $21.43

Q3 2025

Shares 7,034,609 Value ($000) $135,064 Avg Close $19.87 Range $17.67 - $22.69

Q2 2025

Shares 7,034,609 Value ($000) $141,325 Avg Close $16.16 Range $8.60 - $20.96

Q1 2025

Shares 7,034,609 Value ($000) $65,352 Avg Close $11.42 Range $9.03 - $14.38

Q4 2024

Shares 7,034,609 Value ($000) $79,139 Avg Close $13.06 Range $10.33 - $15.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,034,609	$138,160	$18.50	$16.40 - $21.43
Q3 2025	7,034,609	$135,064	$19.87	$17.67 - $22.69
Q2 2025	7,034,609	$141,325	$16.16	$8.60 - $20.96
Q1 2025	7,034,609	$65,352	$11.42	$9.03 - $14.38
Q4 2024	7,034,609	$79,139	$13.06	$10.33 - $15.82