Melissa M. Miller - 30 Sep 2025 Form 4 Insider Report for COMPASS MINERALS INTERNATIONAL INC (CMP)

Role
Director
Signature
/s/ Deanne Larison, by power of attorney
Issuer symbol
CMP
Transactions as of
30 Sep 2025
Net transactions value
$0
Form type
4
Filing time
02 Oct 2025, 11:28:01 UTC
Previous filing
01 Jul 2025
Next filing
05 Jan 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Miller Melissa M Director 9900 WEST 109TH STREET, SUITE 100, OVERLAND PARK /s/ Deanne Larison, by power of attorney 02 Oct 2025 0001806395

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CMP Common Stock Award $0 +1,465 +5.2% $0.000000 29,814 30 Sep 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents common stock units granted by the Issuer in connection with the Reporting Person's service as a director.

Remarks:

Exhibit 24 - Power of Attorney