LORI A. WALKER - 31 Dec 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
31 Dec 2025
Net transactions value
$0
Form type
4
Filing time
05 Jan 2026, 19:23:42 UTC
Previous filing
01 Oct 2025
Next filing
02 Jan 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WALKER LORI A Director C/O COMPASS MINERALS INTERNATIONAL, INC., 9900 WEST 109TH STREET, SUITE 100, OVERLAND PARK /s/ Deanne Larison, by power of attorney 05 Jan 2026 0001242956

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction CMP Common Stock Award $0 +1,528 +3.4% $0.000000 45,820 31 Dec 2025 Walker Joint Revocable Trust F1, F2
holding CMP Common Stock 990 31 Dec 2025 Direct F2, F3
* 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.
F2 On January 2, 2026, 2,063 deferred stock units were distributed to the Reporting Person in the form of Issuer's common stock. The Reporting Person's ownership has been adjusted to reflect this distribution.
F3 Represents deferred stock units granted by the Issuer in connection with the Reporting Person's service as a director.