Brandon Risner - 03 Aug 2026 Form 3 Insider Report for COMPASS MINERALS INTERNATIONAL INC (CMP)

Source evidence Original filing metadata and source links for verification. 3 source fields
SEC form
3
Accepted by SEC
13 Aug 2026, 16:19:32 UTC
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Jared Campbell, by power of attorney

Key filing fact

Brandon Risner filed Form 3 for COMPASS MINERALS INTERNATIONAL INC (CMP) on 13 Aug 2026.

Key facts

  • This page summarizes Brandon Risner's Form 3 filing for COMPASS MINERALS INTERNATIONAL INC (CMP).
  • 0 reported transactions and 4 derivative rows are listed below.
  • Accepted by SEC: 13 Aug 2026, 16:19.

Change

  • No earlier filing in this sequence is available for direct comparison.
  • 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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0002149827 Primary reporting owner

Risner Brandon

Relationship
Chief Operating Officer
Address
C/O COMPASS MINERALS INTERNATIONAL, INC., 9900 WEST 109TH STREET, SUITE 100, OVERLAND PARK
Signature
/s/ Jared Campbell, by power of attorney
Signature date
13 Aug 2026

Reported derivative securities

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

CMP holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
03 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,028
Exercise price
Footnotes
F1
CMP holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
03 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
1,127
Exercise price
Footnotes
F2
CMP holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
03 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
8,885
Exercise price
Footnotes
F3
CMP holding Derivative

Restricted Stock Unit

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
03 Aug 2026
Ownership
Direct
Underlying class
Common Stock
Underlying amount
803
Exercise price
Footnotes
F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The restricted stock units vest in three equal installments, beginning on the first anniversary of the grant date and ending on November 24, 2028.

Footnote F2

Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The restricted stock units will vest on June 15, 2028, upon completion of a two-year service period.

Footnote F3

Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The restricted stock units vest in three equal installments, beginning on the first anniversary of the grant date and ending on October 15, 2027.

Footnote F4

Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. The restricted stock units vest in three equal installments, beginning on the first anniversary of the grant date and ending on October 15, 2026.

SEC remarks

Exhibit 24 - Power of Attorney

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