COMPASS MINERALS INTERNATIONAL INC (CMP) Insider Trading & SEC Filings

Updated Jul 16, 2026 · Last SEC filing 2026-07-01

COMPASS MINERALS INTERNATIONAL INC (CMP) has filed 6 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-07-01. 1 Form 8-K material event filings were reported by CMP in the last 90 days. InsiderAlpha tracks every CMP SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.

About COMPASS MINERALS INTERNATIONAL INC (CMP)

SIC classification	Mining & Quarrying of Nonmetallic Minerals (No Fuels) (SIC 1400)
SEC CIK	0001227654

90-Day SEC Filing Activity

Form 4 filings (90d)	6
Form 8-K filings (90d)	1
Latest Form 4 filing	2026-07-01

Recent CMP Insider Transactions (Form 4)

Date	Insider	Role	Transaction	Shares	Price	Value	Filing
2026-06-30	Safran David	Director	A — Grant or award	804	$0.00	—	SEC
2026-06-30	Reece Joseph E	Director	A — Grant or award	1.2K	$0.00	—	SEC
2026-06-30	DEALY RICHARD P	Director	A — Grant or award	944	$0.00	—	SEC
2026-06-24	Nichols Benjamin S.	Chief Commercial Officer	F — Tax withholding / forfeiture	747	$28.66	$21K	SEC
2026-06-24	Nichols Benjamin S.	Chief Commercial Officer	M — Option exercise	2.5K	$0.00	—	SEC
2026-05-18	Nichols Benjamin S.	Chief Commercial Officer	F — Tax withholding / forfeiture	195	$28.97	$6K	SEC
2026-05-18	Nichols Benjamin S.	Chief Commercial Officer	M — Option exercise	685	$0.00	—	SEC
2026-05-13	Nichols Benjamin S.	Chief Commercial Officer	M — Option exercise	737	$0.00	—	SEC
2026-05-13	Nichols Benjamin S.	Chief Commercial Officer	F — Tax withholding / forfeiture	247	$30.21	$7K	SEC
2026-03-31	Safran David	Director	A — Grant or award	1.1K	$0.00	—	SEC
2026-03-31	Reece Joseph E	Director	A — Grant or award	1.8K	$0.00	—	SEC
2026-03-31	DEALY RICHARD P	Director	A — Grant or award	1.3K	$0.00	—	SEC
2026-03-05	Reece Joseph E	Director	M — Option exercise	22.3K	$0.00	—	SEC
2026-03-05	WALKER LORI A	Director	M — Option exercise	11.9K	$0.00	—	SEC
2026-03-05	DEALY RICHARD P	Director	M — Option exercise	11.9K	$0.00	—	SEC

All transactions sourced from SEC EDGAR Form 4 filings for COMPASS MINERALS INTERNATIONAL INC (CMP). Updated in real time as new filings are submitted to the SEC.

Most-Active CMP Insiders — Last 90 Days

Insider	Form 4 filings	Total transaction value
Nichols Benjamin S.	9	$35K
DEALY RICHARD P	1	—
Reece Joseph E	1	—
Safran David	1	—

Recent CMP Form 8-K Material Events

2026-05-06 — Item 2.02, 9.01 [SEC]
2026-03-24 — Item 7.01, 8.01, 9.01 · Financing · neutral [SEC]
Compass Minerals announced the full redemption of $150 million in 6.750% Senior Notes due 2027 on March 30, 2026, at par value (100% of principal) plus accrued interest. This is a routine debt maturity management action where the company is retiring maturing debt obligations.
2026-03-09 — Item 5.07 · Other · neutral [SEC]
Compass Minerals held its 2026 Annual Meeting of Stockholders on March 5, 2026. Stockholders elected nine directors, approved executive compensation on an advisory basis, and ratified KPMG LLP as the independent auditor for fiscal 2026. All proposals passed with strong majority s

Recent Insider Filings

2026-07-01 — Reece Joseph E (Director)
2026-07-01 — DEALY RICHARD P (Director)
2026-07-01 — Safran David (Director)
2026-06-26 — Nichols Benjamin S. (Chief Commercial Officer)
2026-05-19 — Nichols Benjamin S. (Chief Commercial Officer)

Form 4 Transaction Code Reference

SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in CMP insider filings:

P	Open-market purchase by the insider
S	Open-market sale by the insider
A	Grant, award, or other acquisition from the issuer
M	Exercise or conversion of derivative security (e.g. options)
F	Payment of exercise price or tax liability via share withholding
G	Bona-fide gift of securities
D	Disposition to the issuer (e.g. share buyback participation)
J	Other acquisition or disposition
X	Exercise of in-the-money or at-the-money derivative security
C	Conversion of derivative security
V	Transaction voluntarily reported earlier than required

CMP Insider Trading — FAQ

What is the latest insider trade for CMP?: COMPASS MINERALS INTERNATIONAL INC (CMP) had 6 insider filings in the last 90 days, with the most recent on 2026-07-01. InsiderAlpha tracks every Form 4, 10-K, 10-Q, and 8-K filing in real time.
How many insiders are buying CMP stock?: 0 insider purchases of CMP were filed in the last 90 days.
How many insiders are selling CMP stock?: 0 insider sales of CMP were filed in the last 90 days.
Where can I see CMP SEC filings (Form 4, 10-K, 10-Q, 8-K)?: InsiderAlpha aggregates every CMP SEC filing — Form 4 insider transactions, 10-K and 10-Q quarterly reports, and 8-K material event disclosures — in one timeline.

Related Companies — Recent Insider Activity

Learn More

Open the live CMP dashboard on InsiderAlpha for real-time alerts, charting, and full historical filing search.