CMP · Insider Trading
Compass Minerals International, Inc.
Every open-market purchase and sale reported by CMP officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-10-19 | Ashley Ward | Chief Accounting Officer | MIXED | +1,858 | −$16.72K |
| 2026-10-19 | Benjamin S. Nichols | Chief Commercial Officer | MIXED | +4,969 | −$44.66K |
| 2026-10-19 | Brandon Risner | Chief Operating Officer | MIXED | +3,780 | −$33.09K |
| 2026-10-19 | Edward C Dowling | President and CEO | MIXED | +25,369 | −$453.99K |
| 2026-10-15 | David Safran | Director | MIXED | +4,222 | — |
| 2026-10-01 | David Safran | Director | A | +1,135 | — |
| 2026-10-01 | Joseph E Reece | Director | A | +1,702 | — |
| 2026-10-01 | Richard P Dealy | Director | A | +1,333 | — |
| 2026-09-15 | Amy Tills | Chief Human Resources Officer | MIXED | +5,156 | −$53.12K |
| 2026-07-29 | Ashley Ward | Chief Accounting Officer | MIXED | +5,890 | −$72.53K |
| 2026-07-01 | David Safran | Director | A | +804 | — |
| 2026-07-01 | Richard P Dealy | Director | A | +944 | — |
| 2026-07-01 | Joseph E Reece | Director | A | +1,205 | — |
| 2026-06-26 | Benjamin S. Nichols | Chief Commercial Officer | MIXED | +1,795 | −$21.41K |
| 2026-05-19 | Benjamin S. Nichols | Chief Commercial Officer | MIXED | +490 | −$5.65K |
| 2026-05-14 | Benjamin S. Nichols | Chief Commercial Officer | MIXED | +490 | −$7.46K |
| 2026-04-01 | David Safran | Director | A | +1,071 | — |
| 2026-04-01 | Richard P Dealy | Director | A | +1,259 | — |
| 2026-04-01 | Joseph E Reece | Director | A | +1,816 | — |
| 2026-03-09 | Denise M Merle | Director | A | — | — |
| 2026-03-09 | Mark Lawrence Roberts | Director | A | — | — |
| 2026-03-09 | Joseph E Reece | Director | M | +22,322 | — |
| 2026-03-09 | Gareth T Joyce | Director | M | +11,905 | — |
| 2026-03-09 | Lori A Walker | Director | M | +11,905 | — |
| 2026-03-09 | Russell David Ball | Director | A | — | — |
| 2026-03-09 | Melissa M Miller | Director | M | +11,905 | — |
| 2026-03-09 | Richard P Dealy | Director | M | +11,905 | — |
| 2026-03-09 | David Safran | Director | A | — | — |
| 2026-03-04 | Patrick James Merrin | Chief Operations Officer | MIXED | +13,522 | −$123.47K |
| 2026-01-29 | Mark Lawrence Roberts | Director | A | +196 | — |
| 2026-01-29 | David Safran | Director | A | +181 | — |
| 2026-01-29 | Peter Fjellman | Chief Financial Officer | MIXED | +5,601 | −$70.45K |
| 2026-01-26 | Denise M Merle | Director | A | +220 | — |
| 2026-01-20 | Edward C Dowling | President and CEO | MIXED | +15,472 | −$160.19K |
| 2026-01-05 | Gareth T Joyce | Director | A | +1,401 | — |
| 2026-01-05 | Joseph E Reece | Director | A | +2,260 | — |
| 2026-01-05 | Melissa M Miller | Director | A | +1,433 | — |
| 2026-01-05 | Richard P Dealy | Director | A | +1,496 | — |
| 2026-01-05 | Russell David Ball | Director | A | +186 | — |
| 2026-01-05 | Lori A Walker | Director | A | +1,528 | — |
| 2025-11-26 | Edward C Dowling | President and CEO | A | — | — |
| 2025-11-26 | Peter Fjellman | Chief Financial Officer | A | +25,043 deriv. | — |
| 2025-11-26 | Amy Tills | Chief Human Resources Officer | A | +8,979 deriv. | — |
| 2025-11-26 | Patrick James Merrin | Chief Operations Officer | A | +32,268 deriv. | — |
| 2025-11-26 | Benjamin S. Nichols | Chief Commercial Officer | A | — | — |
| 2025-11-26 | Ashley Ward | Chief Accounting Officer | A | — | — |
| 2025-10-16 | Edward C Dowling | President and CEO | MIXED | +30,278 | −$296.64K |
| 2025-10-16 | Benjamin S. Nichols | Chief Commercial Officer | MIXED | +5,232 | −$42.50K |
| 2025-10-16 | Ashley Ward | Chief Accounting Officer | MIXED | +1,835 | −$14.90K |
| 2025-10-09 | Amy Tills | Chief Human Resources Officer | A | +14,595 deriv. | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| Joseph E Reece | Director | 118,372 | $2.75M |
| Edward C Dowling | President and CEO | 91,630 | $2.12M |
| Lori A Walker | Director | 59,705 | $1.38M |
| Richard P Dealy | Director | 47,093 | $1.09M |
| Melissa M Miller | Director | 43,152 | $1.00M |
| Gareth T Joyce | Director | 43,118 | $999.91K |
| Benjamin S. Nichols | Chief Commercial Officer | 21,206 | $491.77K |
| Patrick James Merrin | Chief Operations Officer | 13,522 | $313.58K |
| Ashley Ward | Chief Accounting Officer | 9,583 | $222.23K |
| Peter Fjellman | Chief Financial Officer | 8,321 | $192.96K |
| David Safran | Director | 7,413 | $171.91K |
| Amy Tills | Chief Human Resources Officer | 5,156 | $119.57K |
| Jennifer R. Hood | Chief Supply Chain Officer | 4,739 | $109.90K |
| Brandon Risner | Chief Operating Officer | 3,780 | $87.66K |
| Jeffrey M Cathey | Chief Financial Officer | 2,226 | $51.62K |
| Denise M Merle | Director | 220 | $5.10K |
| Mark Lawrence Roberts | Director | 196 | $4.55K |
| Russell David Ball | Director | 186 | $4.31K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the CMP quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.