| Filed | Form | Description | |
|---|---|---|---|
| 1/23/26 | DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | → |
| 1/23/26 | DEF 14A | DEFINITIVE PROXY STATEMENT | → |
| 2/18/25 | DEFA14A | DEFA14A | → |
| 1/23/25 | DEFA14A | DEFINITIVE ADDITIONAL PROXY SOLICITING MATERIALS | → |
| 1/23/25 | DEF 14A | DEFINITIVE PROXY STATEMENT | → |
| 1/29/24 | DEF 14A | COMPASS MINERALS INTERNATIONAL INC - DEF 14A | → |
| ↓ | |||
| Filed | Form | Description | |
|---|---|---|---|
| 3/9/26 | 4 | 4 | → |
| 3/9/26 | 4 | 4 | → |
| 3/9/26 | 4 | 4 | → |
| 3/9/26 | 4 | 4 | → |
| 3/9/26 | 4 | 4 | → |
| 3/9/26 | 4 | 4 | → |
| ↓ | |||
Compass Minerals International, Inc is an American public company that, through its subsidiaries, is a leading producer of minerals, including salt, magnesium chloride and sulfate of potash. Based in Overland Park, Kansas; the company provides bulk treated and untreated highway deicing salt to customers in North America and the United Kingdom and plant nutrition products to growers worldwide.