Are insiders buying MTX stock?

Yes — 4 distinct insiders have bought MTX (MINERALS TECHNOLOGIES INC) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Jun 17, 2025.

How much MTX stock have insiders bought?

Insiders have bought a combined $259.7K of MTX across 5 open-market purchases, based on SEC Form 4 filings.

What is an insider cluster buy in MTX?

A cluster buy is two or more distinct MINERALS TECHNOLOGIES INC insiders — officers, directors, or 10% owners — each buying MTX on the open market within a rolling window. MTX has 1 detected cluster buy to date.

Where does this MTX insider trading data come from?

Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

MTX insider buying

1 cluster buy

MINERALS TECHNOLOGIES INC · Materials

When two or more insiders at MINERALS TECHNOLOGIES INC buy MTX on the open market around the same time, that clustered conviction is one of the highest-signal patterns in SEC filing data. Below is every cluster we've detected in MTX plus the full record of qualifying open-market buys, each parsed directly from Form 4 filings and linked back to the source on SEC EDGAR.

Clusters

Distinct insiders

Total bought

$259.7K

Market cap

$2.3B

Detected clusters

Apr 30 – Jun 16, 2025
Detected Jun 16, 2025
High conviction4 insiders
Total bought
$227.4K
Market cap
$2.3B

All notable open-market buys in MTX

Every open-market Form 4 purchase, newest first. Click an insider to see their full buying record across companies.

Date	Insider	Shares	Price	Value	Filing
Jun 16, 2025	Motwani Rockycluster Director	370	$54.31	$20.1K	SEC ↗
May 2, 2025	JOHNSON KRISTINA Mcluster Director	1,000	$53.79	$53.8K	SEC ↗
Apr 30, 2025	DIETRICH DOUGLAS Tcluster Director, CHAIRMAN AND CEO	2,000	$51.56	$103.1K	SEC ↗
Apr 30, 2025	ALDAG ERIKcluster SVP FINANCE AND TREASURY, CFO	1,000	$50.37	$50.4K	SEC ↗
May 16, 2024	JOHNSON KRISTINA M Director	400	$80.92	$32.4K	SEC ↗

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MTX insider buying — FAQ

Are insiders buying MTX stock?: Yes — 4 distinct insiders have bought MTX (MINERALS TECHNOLOGIES INC) on the open market, including 1 cluster buy where two or more insiders bought within a rolling window. The most recent qualifying activity was Jun 17, 2025.
How much MTX stock have insiders bought?: Insiders have bought a combined $259.7K of MTX across 5 open-market purchases, based on SEC Form 4 filings.
What is an insider cluster buy in MTX?: A cluster buy is two or more distinct MINERALS TECHNOLOGIES INC insiders — officers, directors, or 10% owners — each buying MTX on the open market within a rolling window. MTX has 1 detected cluster buy to date.
Where does this MTX insider trading data come from?: Every figure is parsed directly from SEC Form 4 filings on EDGAR, and each purchase on this page links back to its original filing document.

How we track insider buying in MTX

We continuously poll SEC EDGAR for new Form 4 filings and parse every open-market purchase (transaction code P). A cluster is recorded when two or more distinct insiders — officers, directors, or 10% owners — each buy MTX within a rolling window. We track clusters at every company size, from micro-caps to mega-caps. Every figure on this page traces back to an official filing; open any row to jump straight to the source document. What counts as a cluster buy?

This page is informational and reflects public filing data. It is not investment advice or a recommendation regarding MTX.