InsiderTrades

Form 4 for CMP COMPASS MINERALS INTERNATIONAL INC

Accepted 2026-03-09 00:00:00 ET · period of report 2026-03-05 · accession 0001659413-26-000006 · 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
D 2026-03-09 2026-03-05 CMP Reece Joseph E Dir M - OptEx $0.00 +22.3K 92.6K +32% $0
D 2026-03-09 2026-03-05 CMP Reece Joseph E Dir A - Grant $0.00 +9,434 9,434 New $0
D 2026-03-09 2026-03-05 CMP Reece Joseph E Dir M - OptEx $0.00 -22.3K 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 22,322 $0.00 92,649 D — — (F1) Represents deferred stock units granted by the Issuer in connection with the Reporting Person's service as a director.
2 Derivative Deferred Stock Units 2026-03-05 A A 9,434 $0.00 9,434 D $0.00 · 2027-03-04 to 2027-03-04 9,434 Common Stock (F2) Represents annual grant of restricted stock units in connection with the Reporting Person's service as a director, which will vest on the earlier of (a) the day immediately preceding the Issuer's next annual meeting (as long as the meeting is held at least 50 weeks from the grant date) and (b) the first anniversary of the grant date.
3 Derivative Deferred Stock Units 2026-03-05 M D 22,322 $0.00 0 D $0.00 · 2026-03-05 to 2026-03-05 22,322 Common Stock