Joseph E. Reece - 05 Mar 2026 Form 4 Insider Report for COMPASS MINERALS INTERNATIONAL INC (CMP)

Reporting relationship: Director
Issuer ticker: CMP
Reported as of: 05 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 09 Mar 2026, 18:14:59 UTC
Prior SEC filing: 05 Jan 2026
Next SEC filing: 01 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Deanne Larison, by power of attorney

Key filing fact

Joseph E. Reece filed Form 4 for COMPASS MINERALS INTERNATIONAL INC (CMP) on 09 Mar 2026.

Key facts

This page summarizes Joseph E. Reece's Form 4 filing for COMPASS MINERALS INTERNATIONAL INC (CMP).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 09 Mar 2026, 18:14.

Change

Previous filing in this sequence was filed on 05 Jan 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001659413 Primary reporting owner

Reece Joseph E

Relationship: Director
Address: C/O COMPASS MINERALS INTERNATIONAL, INC., 9900 WEST 109TH STREET, SUITE 100, OVERLAND PARK
Signature: /s/ Deanne Larison, by power of attorney
Signature date: 09 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

CMP transaction

Common Stock

Options Exercise

Transaction value
Shares: +22,322
Change %: +32%
Price: $0.000000^*
Shares after: 92,649
Date: 05 Mar 2026
Ownership: Direct
Footnotes: F1

CMP holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 21,000
Date: 05 Mar 2026
Ownership: By Trust

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

CMP transaction Derivative

Deferred Stock Units

Options Exercise

Transaction value
Shares: -22,322
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 05 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 22,322
Exercise price: $0.000000

CMP transaction Derivative

Deferred Stock Units

Award

Transaction value
Shares: +9,434
Change %
Price: $0.000000^*
Shares after: 9,434
Date: 05 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 9,434
Exercise price: $0.000000
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents deferred stock units granted by the Issuer in connection with the Reporting Person's service as a director.

Footnote 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.