SEC Form 4 · accession 0001227654-26-000062
COMPASS MINERALS INTERNATIONAL INC · CMP
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Amy Tills
Officer — Chief Human Resources Officer
Period of report
Sep 11, 2026
Accepted (ET)
Sep 15, 2026 · 4:56 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001227654
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 11, 2026 | M | 7,298 | $0.00 | A | 7,298 | D | |
| Common StockF1 | Sep 11, 2026 | F | 2,142 | $24.80 | D | 5,156 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitF2,F3 | — | Sep 11, 2026 | M | 7,298 | D | — | Sep 11, 2027 | Common Stock | 7,298 | 7,297 | D |
Explanation of responses
- F1Represents the number of shares withheld to satisfy tax withholding obligations in connection with the vesting and release of the restricted stock units listed in Table II.
- F2Each restricted stock unit represents a contingent right to receive one share of Issuer common stock.
- F3The first tranche of these restricted stock units vest on the first anniversary of the grant date. The remaining tranche will continue to vest, equally, on September 11, 2027