Amy Tills - Nov 24, 2025 Form 4 Insider Report for COMPASS MINERALS INTERNATIONAL INC (CMP)

Role
Chief Human Resources Officer
Signature
/s/ Deanne Larison, by power of attorney
Stock symbol
CMP
Transactions as of
Nov 24, 2025
Transactions value $
$0
Form type
4
Date filed
11/26/2025, 04:06 PM
Previous filing
Oct 9, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tills Amy Chief Human Resources Officer C/O COMPASS MINERALS INTERNATIONAL, INC., 9900 W 109TH ST STE 100, OVERLAND PARK /s/ Deanne Larison, by power of attorney 2025-11-26 0002090688

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 Award $0 +8.98K $0.00 8.98K Nov 24, 2025 Common Stock 8.98K Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
F2 Restricted stock units vest in three equal annual installments, beginning on the first anniversary of the grant date and ending on November 24, 2028.