Company · CIK 0001227654 · SIC 1400 — Mining & Quarrying of Nonmetallic Minerals (No Fuels) · NYSE
COMPASS MINERALS INTERNATIONAL INC · CMP
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 FMForm 4 → | Sep 15, 4:56 pm EDT | Amy TillsChief Human Resources Officer | 9,440 | $24.80 | $53,122 | 5,156 | — | |
| Jul 28, 2026 FMForm 4 → | Jul 29, 5:29 pm EDT | Ashley WardChief Accounting Officer | 10,776 | $29.69 | $72,533 | 7,725 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 5:23 pm EDT | Joseph E ReeceDirector | 1,205 | — | — | 95,670 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 5:23 pm EDT | Richard P DealyDirector | 944 | — | — | 45,760 | — | |
| Jun 30, 2026 AForm 4 → | Jul 1, 5:22 pm EDT | David SafranDirector | 804 | — | — | 2,056 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 MForm 4 → | Sep 15, 4:56 pm EDT | Amy TillsChief Human Resources Officer | 7,298 | — | — | 7,297 | — | |
| Jul 28, 2026 MForm 4 → | Jul 29, 5:29 pm EDT | Ashley WardChief Accounting Officer | 8,333 | — | — | 0 | — |