15 insiders reported 56 Form 4 transactions for COMPASS MINERALS INTERNATIONAL INC (CMP) over the past 18 months (most recent 2026-09-15). Recent activity: Tills Amy (Chief Human Resources Officer) Buy 7,298 shares, Tills Amy (Chief Human Resources Officer) Sell 2,142 shares, Ward Ashley (Chief Accounting Officer) Buy 8,333 shares, Ward Ashley (Chief Accounting Officer) Sell 2,443 shares, DEALY RICHARD P (Director) Buy 944 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-15 | Tills Amy | Chief Human Resources Officer | Buy | 7,298 | $0 |
| 2026-09-15 | Tills Amy | Chief Human Resources Officer | Sell | 2,142 | $53,122 |
| 2026-07-29 | Ward Ashley | Chief Accounting Officer | Buy | 8,333 | $0 |
| 2026-07-29 | Ward Ashley | Chief Accounting Officer | Sell | 2,443 | $72,533 |
| 2026-07-01 | DEALY RICHARD P | Director | Buy | 944 | $0 |
| 2026-07-01 | Reece Joseph E | Director | Buy | 1,205 | $0 |
| 2026-07-01 | Safran David | Director | Buy | 804 | $0 |
| 2026-06-26 | Nichols Benjamin S. | Chief Commercial Officer | Buy | 2,542 | $0 |
| 2026-06-26 | Nichols Benjamin S. | Chief Commercial Officer | Sell | 747 | $21,409 |
| 2026-05-19 | Nichols Benjamin S. | Chief Commercial Officer | Buy | 685 | $0 |
| 2026-05-19 | Nichols Benjamin S. | Chief Commercial Officer | Sell | 195 | $5,649 |
| 2026-05-14 | Nichols Benjamin S. | Chief Commercial Officer | Buy | 737 | $0 |
| 2026-05-14 | Nichols Benjamin S. | Chief Commercial Officer | Sell | 247 | $7,462 |
| 2026-04-01 | DEALY RICHARD P | Director | Buy | 1,259 | $0 |
| 2026-04-01 | Reece Joseph E | Director | Buy | 1,816 | $0 |
| 2026-04-01 | Safran David | Director | Buy | 1,071 | $0 |
| 2026-03-09 | Reece Joseph E | Director | Buy | 22,322 | $0 |
| 2026-03-09 | DEALY RICHARD P | Director | Buy | 11,905 | $0 |
| 2026-03-09 | Miller Melissa M | Director | Buy | 11,905 | $0 |
| 2026-03-09 | Joyce Gareth T | Director | Buy | 11,905 | $0 |
| 2026-03-09 | WALKER LORI A | Director | Buy | 11,905 | $0 |
| 2026-03-04 | Merrin Patrick James | Chief Operations Officer | Buy | 18,525 | $0 |
| 2026-03-04 | Merrin Patrick James | Chief Operations Officer | Sell | 5,003 | $123,474 |
| 2026-01-29 | Safran David | Director | Buy | 181 | $0 |
| 2026-01-29 | Roberts Mark Lawrence | Director | Buy | 196 | $0 |
来源：SEC Form 4 申报文件 · 截至 2026-09-15