Company profile
Compass Minerals International Inc Insider Trading
CMPEvery SEC Form 4 insider trading filing for Compass Minerals International Inc (CMP) since April 2023: open-market buys and sells by directors and officers, option exercises, and cluster activity, updated as each filing is reported to the SEC. Why 2023?
- Exchange
- NYSE
- Sector
- Mining & Quarrying of Nonmetallic Minerals (No Fuels)
- CIK
- 0001227654
- Filings
- 186
- Insiders
- 27
- Last filing
- 2026-09-11
Activity summary
No discretionary insider buying or selling in the last 30 days. The 3 transactions filed were grants, option exercises or other non-open-market activity.
Three year balance
Buy and sell value by quarter, Q4 23 to Q3 26. Compass Minerals International Inc insiders are net sellers across the period shown.
Bars below the rule are sales, above are purchases. Largest quarter on the chart is $1.1M.
90 day insight
Over the last 90 days, Compass Minerals International Inc insiders filed 9 Form 4 transactions, none of which were open-market purchases or sales.
- Most active insider: Ashley Ward with 3 transactions totaling $73K.
Activity skews bullish: buys outpace sales.
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
Showing 5 of 50 transactions. The most significant are picked first.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 11, 2026 | Amy Tills | CMP | Option Exercise | 7,298 | — | — |
| Sep 11, 2026 | Amy Tills | CMP | Tax Withholding | 2,142 | $24.80 | $53K |
| Sep 11, 2026 | Amy Tills | CMP | Option Exercise | 7,298 | — | — |
| Jul 28, 2026 | Ashley Ward | CMP | Option Exercise | 8,333 | — | — |
| Jul 28, 2026 | Ashley Ward | CMP | Tax Withholding | 2,443 | $29.69 | $73K |
45 more transactions hidden
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-H "X-Api-Key: $KEY"Institutional Ownership
Top 13F-HR holders of Compass Minerals International Inc as of 2026-06-30
Data source: quarterly 13F-HR filings: institutional holders report positions within 45 days of quarter end. Joined with insider activity above: see who's loading up institutionally while insiders are trading. Full 13F-HR API →