List of insiders holdings for COMPASS MINERALS INTERNATIONAL INC:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | KM&T Investment Holdings LLC KOCH INDUSTRIES INC Director 10% Owner | 2024-08-02 20:34:55 | 7,034,609 0 | 7,034,609 | Form 13D |
| 2 | Koch Inc. Director 10% Owner | 2024-08-02 21:13:53 | 7,034,609 0 | 7,034,609 | Form 3 |
| 3 | DUCEY MICHAEL E President & CEO | 2006-04-26 12:36:09 | 437,091 0 | 437,091 | Form 4 |
| 4 | Fallis John S Vice President | 2008-02-19 17:47:18 | 222,626 0 | 222,626 | Form 4 |
| 5 | CLARK ROBERT F Director | 2004-05-17 14:31:51 | 177,832 0 | 177,832 | Form 4 |
| 6 | BRISIMITZAKIS ANGELO C Chief Executive Officer | 2012-12-31 19:13:48 | 175,759 612 | 176,371 | Form 4 |
| 7 | Crutchfield Kevin S President and CEO | 2024-01-19 17:33:41 | 145,804 0 | 145,804 | Form 4 |
| 8 | Reece Joseph E Director | 2026-03-09 18:14:59 | 102,083 21,000 | 123,083 | Form 4 |
| 9 | Malecha Francis Joseph President and CEO | 2018-04-04 18:32:50 | 114,311 641 | 114,952 | Form 4 |
| 10 | WOLF STEVEN VP and General Manager | 2005-03-08 16:54:14 | 114,224 0 | 114,224 | Form 4 |
| 11 | DOWLING EDWARD C President and CEO | 2026-01-20 17:26:30 | 93,493 0 | 93,493 | Form 4 |
| 12 | Frontczak Mary L Chief Legal & Admin. Officer | 2024-10-17 16:09:29 | 86,455 0 | 86,455 | Form 4 |
| 13 | TOMFOHRDE HEINNE F III Director | 2005-12-19 12:19:03 | 0 79,925 | 79,925 | Form 4 |
| 14 | GRANT RICHARD S Director | 2021-11-18 18:45:37 | 45,753 27,479 | 73,232 | Form 4 |
| 15 | WALKER LORI A Director | 2026-03-09 18:18:56 | 0 58,715 | 58,715 | Form 4 |
| 16 | GOADBY DAVID J Vice President | 2016-03-15 19:46:21 | 58,297 0 | 58,297 | Form 4 |
| 17 | ASEN JOEL A Other | 2005-06-28 15:36:59 | 0 57,651 | 57,651 | Form 4 |
| 18 | UNDERDOWN RODNEY L CFO & Secretary | 2014-11-26 11:20:23 | 56,470 419 | 56,889 | Form 4 |
| 19 | HARRIS JOSHUA Other | 2005-07-06 11:39:37 | 0 54,237 | 54,237 | Form 4 |
| 20 | CLARK KEITH E Vice President | 2013-05-02 16:19:08 | 53,745 305 | 54,050 | Form 4 |
| 21 | COPSES PETER P Director | 2004-05-17 15:51:45 | 53,669 0 | 53,669 | Form 4 |
| 22 | FALK ROBERT H Director | 2004-05-27 15:13:34 | 53,669 0 | 53,669 | Form 4 |
| 23 | KLEINMAN SCOTT Director | 2004-03-17 15:54:52 | 53,669 0 | 53,669 | Form 4 |
| 24 | DEALY RICHARD P Director | 2026-03-09 18:27:53 | 48,589 0 | 48,589 | Form 4 |
| 25 | Miller Melissa M Director | 2026-03-09 16:48:46 | 48,184 0 | 48,184 | Form 4 |
| 26 | Joyce Gareth T Director | 2026-03-09 16:50:52 | 48,150 0 | 48,150 | Form 4 |
| 27 | BELL BRADLEY J Director | 2015-07-01 15:23:11 | 0 45,346 | 45,346 | Form 4 |
| 28 | Merrin Patrick James Chief Operations Officer | 2026-03-04 17:06:42 | 43,093 0 | 43,093 | Form 4 |
| 29 | Bucan Gerald VP and General Manager | 2013-05-07 11:49:29 | 42,249 238 | 42,487 | Form 4 |
| 30 | Foulston Matthew J. Chief Financial Officer | 2016-04-05 20:04:45 | 37,763 49 | 37,812 | Form 4 |
| 31 | Standen James D. Chief Commercial Officer | 2024-01-17 19:26:21 | 34,342 3,186 | 37,528 | Form 4 |
| 32 | PERTZ DOUGLAS A Director | 2005-08-04 09:15:13 | 36,600 537 | 37,137 | Form 4 |
| 33 | ROTHWELL ALLAN R Director | 2022-03-02 16:06:39 | 33,280 0 | 33,280 | Form 4 |
| 34 | Schuller George John JR Chief Operations Officer | 2024-01-17 19:27:19 | 33,251 0 | 33,251 | Form 4 |
| 35 | Nichols Benjamin S. Chief Commercial Officer | 2025-11-26 16:03:29 | 30,789 249 | 31,038 | Form 4 |
| 36 | Bryan Ronald VP and General Manager | 2011-11-01 14:44:06 | 30,208 197 | 30,405 | Form 4 |
| 37 | Leunig Jack C. SVP, Operations | 2017-04-05 20:22:53 | 27,808 1,030 | 28,838 | Form 4 |
| 38 | Premdas Perry W Director | 2015-04-01 15:56:37 | 500 26,724 | 27,224 | Form 4 |
| 39 | Berger Steven N. SVP, Corporate Services | 2018-04-04 18:32:15 | 25,047 204 | 25,251 | Form 4 |
| 40 | WILLIAMS PAUL S Director | 2023-02-16 17:33:05 | 23,717 0 | 23,717 | Form 4 |
| 41 | Fjellman Peter Chief Financial Officer | 2026-01-29 17:44:45 | 22,242 0 | 22,242 | Form 4 |
| 42 | Espelien Keith E. Senior Vice President | 2015-03-13 17:02:57 | 20,998 134 | 21,132 | Form 4 |
| 43 | Griffith S Bradley Chief Commercial Officer | 2021-10-19 18:41:11 | 6,539 14,523 | 21,062 | Form 4 |
| 44 | Ford Eric Director | 2023-08-22 18:13:20 | 20,433 0 | 20,433 | Form 4 |
| 45 | Yoder Amy Director | 2023-02-16 17:33:26 | 9,046 8,537 | 17,583 | Form 4 |
| 46 | Sepich Anthony J. Senior Vice President, Salt | 2019-04-03 18:07:05 | 15,918 47 | 15,965 | Form 4 |
| 47 | Crenshaw Lorin Chief Financial Officer | 2023-12-05 17:53:11 | 15,826 0 | 15,826 | Form 4 |
| 48 | DANTONI DAVID J Director | 2020-05-15 15:06:35 | 10,821 3,687 | 14,508 | Form 4 |
| 49 | Kinnune Shelly Vice President | 2013-03-13 11:35:57 | 13,968 33 | 14,001 | Form 4 |
| 50 | SNIDER TIMOTHY R Director | 2011-07-01 14:51:18 | 0 11,058 | 11,058 | Form 4 |
| 51 | BAKER VERNON G II Director | 2009-01-05 16:28:52 | 0 10,140 | 10,140 | Form 4 |
| 52 | Fischer Valdemar L Director | 2021-05-20 18:41:55 | 7,098 2,000 | 9,098 | Form 4 |
| 53 | Tills Amy Chief Human Resources Officer | 2025-11-26 16:06:42 | 8,979 0 | 8,979 | Form 4 |
| 54 | Ward Ashley Chief Accounting Officer | 2025-11-26 16:06:07 | 8,794 0 | 8,794 | Form 4 |
| 55 | Cathey Jeffrey M Chief Financial Officer | 2024-12-19 16:39:33 | 8,530 0 | 8,530 | Form 4 |
| 56 | Jones Angela Y Chief People Officer | 2020-01-15 17:02:39 | 7,030 0 | 7,030 | Form 4 |
| 57 | Gardiner Jill V Director | 2024-03-07 17:26:49 | 5,829 0 | 5,829 | Form 4 |
| 58 | Merle Denise M Director | 2026-03-09 16:53:35 | 5,252 0 | 5,252 | Form 4 |
| 59 | Roberts Mark Lawrence Director | 2026-03-09 16:56:04 | 5,228 0 | 5,228 | Form 4 |
| 60 | Ball Russell David Director | 2026-03-09 18:10:14 | 5,218 0 | 5,218 | Form 4 |
| 61 | Safran David Director | 2026-03-09 16:58:44 | 5,213 0 | 5,213 | Form 4 |
| 62 | Hood Jennifer R. Chief Supply Chain Officer | 2025-03-03 16:09:41 | 4,739 0 | 4,739 | Form 4 |
| 63 | Dunn B. Gordon Chief Operations Officer | 2024-05-21 16:01:24 | 4,710 0 | 4,710 | Form 4 |
| 64 | Craft John David VP and Corporate Controller | 2017-04-05 20:22:10 | 4,503 84 | 4,587 | Form 4 |
| 65 | Cook Teresa D Chief Accounting Officer | 2023-11-20 18:04:09 | 3,716 350 | 4,066 | Form 4 |
| 66 | Toman Diana SVP, General Counsel | 2019-04-10 18:47:17 | 2,628 377 | 3,005 | Form 4 |
| 67 | Stevenson John R Director | 2006-01-05 11:51:16 | 0 1,978 | 1,978 | Form 4 |
| 68 | Miller Robert Dana Senior Vice President, Salt | 2016-11-02 18:00:35 | 1,771 113 | 1,884 | Form 4 |
| 69 | APOLLO MANAGEMENT V LP YBR NETHERLANDS I LP YBR NETHERLANDS II LP APOLLO INVESTMENT FUND V LP APOLLO OVERSEAS PARTNERS V LP APOLLO NETHERLANDS PARTNERS V A LP APOLLO NETHERLANDS PARTNERS V B LP APOLLO GERMAN PARTNERS V GMBH & CO KG APOLLO ADVISORS V LP YBR HOLDINGS LLC 10% Owner | 2004-11-24 15:02:03 | 0 0 | 0 | Form 13D |
| 70 | Linehan Patrick Douglas Chief Financial Officer | 2017-04-05 20:23:31 | 0 0 | 0 | Form 3 |
| 71 | KOCH INDUSTRIES INC Former 10% owner and director Director | 2024-08-02 21:27:11 | 0 0 | 0 | Form 4 |
| 72 | Wagnon Shane T Director | 2022-11-23 06:10:08 | 0 0 | 0 | Form 3 |
| 73 | Holtzman Vance O. Director | 2024-03-12 17:15:19 | 0 0 | 0 | Form 3 |
| 74 | Chisholm Jon A Director | 2022-11-23 06:10:12 | 0 0 | 0 | Form 3 |