CMP
COMPASS MINERALS INTERNATIONAL INC
NYSE · Basic Materials · Industrial Materials · US
$23.26
+1.62%0
Insider buys (3m)
0
Insider sells (3m)
$0.00
Net value (3m)
-23.2%
Price return (3m)
Form 4 filings
| Date | Insider | Activity | Shares | Price |
|---|---|---|---|---|
| Oct 19, 2026 | Risner Brandon · officer: Chief Operating Officer | M-Exempt | 803 | $0.00 |
| Oct 19, 2026 | Risner Brandon · officer: Chief Operating Officer | F-InKind | 1,465 | $23 |
| Oct 19, 2026 | DOWLING EDWARD C · director, officer: President and CEO | M-Exempt | 45,466 | $0.00 |
| Oct 19, 2026 | Ward Ashley · officer: Chief Accounting Officer | F-InKind | 740 | $23 |
| Oct 19, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | M-Exempt | 856 | $0.00 |
| Oct 19, 2026 | Ward Ashley · officer: Chief Accounting Officer | M-Exempt | 2,598 | $0.00 |
| Oct 19, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | M-Exempt | 6,946 | $0.00 |
| Oct 19, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | F-InKind | 1,977 | $23 |
| Oct 19, 2026 | DOWLING EDWARD C · director, officer: President and CEO | F-InKind | 20,097 | $23 |
| Oct 19, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | M-Exempt | 6,090 | $0.00 |
| Oct 19, 2026 | Risner Brandon · officer: Chief Operating Officer | M-Exempt | 5,245 | $0.00 |
| Oct 19, 2026 | Risner Brandon · officer: Chief Operating Officer | M-Exempt | 4,442 | $0.00 |
| Oct 15, 2026 | Safran David · director | M-Exempt | 4,114 | $0.00 |
| Oct 15, 2026 | Safran David · director | A-Award | 108 | $0.00 |
| Oct 15, 2026 | Safran David · director | M-Exempt | 1,094 | $0.00 |
| Oct 1, 2026 | Safran David · director | A-Award | 1,135 | $0.00 |
| Oct 1, 2026 | Reece Joseph E · director | A-Award | 1,702 | $0.00 |
| Oct 1, 2026 | DEALY RICHARD P · director | A-Award | 1,333 | $0.00 |
| Sep 15, 2026 | Tills Amy · officer: Chief Human Resources Officer | F-InKind | 2,142 | $25 |
| Sep 15, 2026 | Tills Amy · officer: Chief Human Resources Officer | M-Exempt | 7,298 | $0.00 |
| Jul 29, 2026 | Ward Ashley · officer: Chief Accounting Officer | M-Exempt | 8,333 | $0.00 |
| Jul 29, 2026 | Ward Ashley · officer: Chief Accounting Officer | F-InKind | 2,443 | $30 |
| Jul 1, 2026 | DEALY RICHARD P · director | A-Award | 944 | $0.00 |
| Jul 1, 2026 | Safran David · director | A-Award | 804 | $0.00 |
| Jul 1, 2026 | Reece Joseph E · director | A-Award | 1,205 | $0.00 |
| Jun 26, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | F-InKind | 747 | $29 |
| Jun 26, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | M-Exempt | 2,542 | $0.00 |
| May 19, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | F-InKind | 195 | $29 |
| May 19, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | M-Exempt | 685 | $0.00 |
| May 14, 2026 | Nichols Benjamin S. · officer: Chief Commercial Officer | F-InKind | 247 | $30 |
Institutional positioning
13F filings over the trailing two quarters
New 103Increased 146Reduced 121Sold out 32
| Filer | Action | Shares | Filed |
|---|---|---|---|
| Koch, Inc. | Unchanged | 7,034,609 | Aug 13, 2026 |
| KOCH, INC. | Unchanged | 7,034,609 | May 12, 2026 |
| SAILINGSTONE CAPITAL PARTNERS LLC | Reduced | 4,825,611 | May 15, 2026 |
| SailingStone Capital Partners LLC | Reduced | 3,351,366 | Aug 14, 2026 |
| BlackRock, Inc. | Increased | 3,078,473 | Aug 7, 2026 |
| BLACKROCK, INC. | Reduced | 2,852,763 | May 13, 2026 |
| STATE STREET CORP | Increased | 2,441,899 | Sep 22, 2026 |
| STATE STREET CORP | Increased | 2,322,476 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 2,273,578 | Aug 12, 2026 |
| EWING MORRIS & CO. INVESTMENT PARTNERS LTD. | Increased | 2,014,327 | May 11, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | Increased | 1,775,518 | Aug 13, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 1,748,555 | May 15, 2026 |
| AMERICAN CENTURY COMPANIES INC | Increased | 1,678,675 | May 15, 2026 |
| ENGINE CAPITAL MANAGEMENT, LP | Increased | 1,439,065 | May 15, 2026 |
| IRENIC CAPITAL MANAGEMENT LP | New Position | 1,435,529 | May 18, 2026 |
Insider activity from SEC Form 4; institutional positioning from 13F filings · Latest filing Oct 19, 2026