Edward C. Dowling - Jan 18, 2025 Form 4 Insider Report for COMPASS MINERALS INTERNATIONAL INC (CMP)

Role: President and CEO, Director
Signature: /s/ Robert B. Porter, Attorney-in-Fact
Stock symbol: CMP
Transactions as of: Jan 18, 2025
Transactions value $: -$100,067
Form type: 4
Date filed: 1/21/2025, 04:13 PM
Previous filing: Oct 17, 2024

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	CMP	Common Stock	Options Exercise	$0	+22.4K	+429.56%	$0.00	27.6K	Jan 18, 2025	Direct
transaction	CMP	Common Stock	Tax liability	-$100K	-7.04K	-25.56%	$14.21	20.5K	Jan 18, 2025	Direct	F1
holding	CMP	Common Stock						4.88K	Jan 18, 2025	Direct	F2

Showing 1 to 3 of 3 entries

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	-22.4K	-33.33%	$0.00	44.7K	Jan 18, 2025	Common Stock	22.4K		Direct	F3, F4

* 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	Represents deferred stock units granted by the Issuer in connection with the Reporting Person's service as a director.
F3	Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F4	Restricted stock units vest in three equal installments, beginning on January 18, 2025 and ending on January 18, 2027.