Jeffrey M. Cathey - Dec 18, 2024 Form 4 Insider Report for COMPASS MINERALS INTERNATIONAL INC (CMP)

Role: Chief Financial Officer
Signature: /s/ Robert B. Porter, Attorney-in-Fact
Stock symbol: CMP
Transactions as of: Dec 18, 2024
Transactions value $: -$11,131
Form type: 4
Date filed: 12/19/2024, 04:39 PM
Previous filing: Oct 17, 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CMP	Common Stock	Options Exercise	$0	+3.15K		$0.00	3.15K	Dec 18, 2024	Direct
transaction	CMP	Common Stock	Tax liability	-$11.1K	-926	-29.38%	$12.02	2.23K	Dec 18, 2024	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	CMP	Restricted Stock Unit	Options Exercise	$0	-3.15K	-33.33%	$0.00	6.3K	Dec 18, 2024	Common Stock	3.15K		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Represents the number of shares withheld to satisfy tax withholding obligations in connection with the vesting and release of the restricted stock units listed in Table II.
F2	Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F3	The first tranche of these restricted stock units vests on the first anniversary of the grant date. The remaining two tranches will continue to vest, equally, on October 15, 2025 and October 15, 2026.