MTX ($MTX) Insider Trading & Smart Money Activity

MTX · Specialty Chemicals · Latest filing Jul 10, 2026

$MTX has 10 insider trades and 1 congress trade on file. Insiders filed 10 Form 4 transactions in the last 12 months, none of them open-market purchases or sales.

Insider buyers (12 mo)
0
Insider sellers (12 mo)
0
Net insider $ (12 mo)
$0
Congress trades (12 mo)
1
13F moves on file
0
Analyst ratings on file
0

MTX insider buying and selling by quarter

QuarterInsider buysInsider salesCongress buys / sales13F added / cut
Q1 2026 0 0 0 / 0 0 / 0
Q2 2026 0 0 0 / 0 0 / 0
Q3 2026 0 0 1 / 0 0 / 0
Q4 2026 0 0 0 / 0 0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All MTX insider, congress, 13F and analyst activity

DateSourceWhoActionSharesValue / amount ΔOwn1W1M6MFilingStory
Congress Gilbert Ray Cisneros Jr. Purchase $1,001 - $15,000 +3.4%+2.7% —
Insider Marc Robinson Buy (Grant or award) 41 sh +0.2%-7.2% —
Insider Marc Robinson Buy (Grant or award) 41 sh +0.2%-7.2% Read
Insider Carolyn Pittman Buy (Grant or award) 32 sh +0.2%-7.2% Read
Insider Carolyn Pittman Buy (Grant or award) 32 sh +0.2%-7.2% Read
Insider Rocky Motwani Buy (Grant or award) 12 sh +0.2%-7.2% Read
Insider Robert Clark Buy (Grant or award) 51 sh +0.2%-7.2% Read
Insider Robert Clark Buy (Grant or award) 51 sh +0.2%-7.2% Read
Insider John Carmola Buy (Grant or award) 43 sh +0.2%-7.2% Read
Insider John Carmola Buy (Grant or award) 43 sh +0.2%-7.2% Read
Insider Joseph Breunig Buy (Grant or award) 33 sh +0.2%-7.2% Read

1W / 1M / 6M = how MTX moved from the trade or filing date.

Insider trading in MTX: who is buying and selling

InsiderRoleTradesOpen-market netShares heldLast trade
Marc Robinson 2 — Jun 18, 2026
Carolyn Pittman 2 — Jun 18, 2026
Robert Clark 2 — Jun 18, 2026
John Carmola 2 — Jun 18, 2026
Rocky Motwani 1 — Jun 18, 2026
Joseph Breunig 1 — Jun 18, 2026

Members of Congress trading MTX

Frequently asked questions

What is the latest insider trade in MTX?

Marc Robinson filed a buy (grant or award) of 41 sh on Jun 18, 2026.

Which members of Congress traded MTX?

1 disclosed trade by Gilbert Ray Cisneros Jr.. The latest was on Jul 10, 2026.

Other specialty chemicals stocks

Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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