Form 4 for CMP COMPASS MINERALS INTERNATIONAL INC
Accepted 2025-10-16 00:00:00 ET · period of report 2025-10-15 · accession 0001227654-25-000178 · 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 | 2025-10-16 | 2025-10-15 | CMP | DOWLING EDWARD C | Pres, CEO, Dir | M - OptEx | $0.00 | +45.5K | 66.0K | +222% | $0 |
| D | 2025-10-16 | 2025-10-15 | CMP | DOWLING EDWARD C | Pres, CEO, Dir | F - Tax | $19.53 | -15.2K | 50.8K | -23% | -$296.6K |
| D | 2025-10-16 | 2025-10-15 | CMP | DOWLING EDWARD C | Pres, CEO, Dir | M - OptEx | $0.00 | -45.5K | 90.9K | -33% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-10-15 | M | A | 45,467 | $0.00 | 65,978 | D | — | — | |
| 2 | Common | Common Stock | 2025-10-15 | F | D | 15,189 | $19.53 | 50,789 | D | — | — | (F1) Represents 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. |
| 3 | Derivative | Restricted Stock Unit | 2025-10-15 | M | D | 45,467 | $0.00 | 90,933 | D | — · — to 2027-10-15 | 45,467 Common Stock | (F3) Each restricted stock unit represents a contingent right to receive one share of Issuer common stock. (F4) Restricted stock units vest in three equal annual installments, beginning on October 15, 2025 and ending on October 15, 2027. |