InsiderTrades

Form 4 for CMP COMPASS MINERALS INTERNATIONAL INC

Accepted 2026-03-09 00:00:00 ET · period of report 2026-03-05 · accession 0001242956-26-000002 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
DI 2026-03-09 2026-03-05 CMP WALKER LORI A Dir M - OptEx $0.00 +11.9K 58.7K +25% $0
D 2026-03-09 2026-03-05 CMP WALKER LORI A Dir M - OptEx $0.00 -11.9K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-03-05 M A 11,905 $0.00 58,715 I Walker Joint Revocable Trust — — (F1) On March 5, 2026, 990 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.
2 Derivative Restricted Stock Unit 2026-03-05 M D 11,905 $0.00 0 D $0.00 · 2026-03-05 to 2026-03-05 11,905 Common Stock (F2) Represents annual grant of restricted stock units vesting in one year by Issuer in connection with the Reporting Person's service as a director.