CMP insider trading

NYSE Basic Materials

COMPASS MINERALS INTERNATIONAL INC — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades
875
Last 90 days
28
Buys / sells
3% / 2%
Market cap
$945.69M

About COMPASS MINERALS INTERNATIONAL INC

Compass Minerals International, Inc. provides essential minerals in the United States, Canada, the United Kingdom, and internationally. It operates through two segments, Salt and Plant Nutrition. The Salt segment produces, markets, and sells sodium chloride and magnesium chloride, including rock salt, mechanically and solar evaporated salt, and brine and flake magnesium chloride products; and purchases and sells potassium chloride and calcium chloride to sell as finished products or to blend with sodium chloride to produce specialty products. This segment provides products for use as a deicer for roadways, consumer, and professional use; as an ingredient in chemical production; for water treatment, human, and animal nutrition; and for various other consumer and industrial uses, as well as records management services. The Plant Nutrition segment produces sulfate of potash specialty fertilizers in various grades that are used in broadcast spreaders, direct application, and liquid fertilizer solutions under the Protassium+ brand name; turf products used by the turf and ornamental markets, as well as for blends used on golf course greens; and organic products. This segment provides its products to distributors and retailers of crop inputs, as well as growers. The company was formerly known as Salt Holdings Corporation and changed its name to Compass Minerals International, Inc. in December 2003. Compass Minerals International, Inc. was founded in 1844 and is headquartered in Overland Park, Kansas.

Company website: www.compassminerals.com

CMP insider activity at a glance

FilingIQ has scored 875 insider transactions for CMP since Dec 31, 2014. The most recent filing in our index is dated May 13, 2026.

Across the full history, 27 open-market purchases and 16 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on CMP insider trades is 54.3/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

Other Basic Materials tickers with recent insider activity

Frequently asked

How many insider trades does FilingIQ track for CMP?
FilingIQ tracks 875 Form 4 insider transactions for CMP (COMPASS MINERALS INTERNATIONAL INC), covering filings from Dec 31, 2014 onwards. 28 of those were filed in the last 90 days.
Are CMP insiders net buyers or net sellers?
Across the full Form 4 history for CMP, 27 transactions (3%) were open-market purchases and 16 (2%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does CMP insider data come from?
Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is CMP in?
COMPASS MINERALS INTERNATIONAL INC (CMP) is classified in the Basic Materials sector, specifically Other Industrial Metals & Mining, with a current market capitalisation of $945.69M.

Methodology & sources

Every CMP insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.