Newest
PEBO ▼ sold $76K · Augenstein Mark filed 1d agoBBT ▲ bought $105K · Hollister Thomas J filed 2d agoBBT ▼ sold $20K · Eagan John Buckley filed 2d agoGS ▼ sold $60K · LESLIE ERICKA T filed 2d agoGS ▼ sold $163K · LESLIE ERICKA T filed 2d agoMSCI ▼ sold $1.5M · Gutowski Robert J. filed 2d agoGL ▼ sold $2.2M · MAJORS MICHAEL CLAY filed 2d agoPHR ▲ bought $362 · Linetsky David filed 2d agoPHR ▲ bought $320 · Linetsky David filed 2d agoRVI ▲ bought $23K · Whitney Meredith filed 2d agoLEO ▲ bought $369K · Saba Capital Management, L.P. filed 2d agoPG ▼ sold $5.7M · Jejurikar Shailesh filed 2d agoICLR ▼ sold $10K · Lyons Emer filed 2d agoICLR ▼ sold $10K · Lyons Emer filed 2d agoICLR ▼ sold $8K · Lyons Emer filed 2d agoICLR ▼ sold $15K · Lyons Emer filed 2d agoICLR ▼ sold $8K · Lyons Emer filed 2d agoPG ▼ sold $698K · Gama Paul filed 2d ago

Stock / equity

MTX MINERALS TECHNOLOGIES INC

Company
MINERALS TECHNOLOGIES INC
Security
Equity
Size, estimated from filings
Mid cap ($2B – $10B)
Insiders on record
17
Members of Congress
1
Latest trade on record
October 1, 2026

MTX (MINERALS TECHNOLOGIES INC) has 141 disclosed insider transactions from 17 insiders in the last 12 months (0 open-market buys, 28 sales, about $9.8M at reported prices) and 2 congressional trades from 1 member of Congress. The most recent disclosure was filed October 2, 2026.

Last updated October 2, 2026 · Sources: SEC EDGAR Form 4; House Clerk and Senate eFD PTRs

Insider txns (12m)
141
Open-market buys / sales
0 / 28
Congress trades (12m)
2
Distinct filers (12m)
18

Share price

Price and chart by TradingView for MINERALS TECHNOLOGIES INC. US share prices here are delayed, not real-time. The trade records on this page come from government filings, not from this chart.

MTX in charts

Who is trading this stock

Which people account for the buying and selling over the last 12 months?

BoughtSold

8 people account for the disclosed buying and selling in MTX over the last 12 months; the most active is DIETRICH DOUGLAS T with $3.0M.

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Prices insiders traded at

What price did insiders buy and sell at? Each marker is one open-market trade at the share price reported on its Form 4.

▲ Bought▼ SoldAverage reported price that day
$50$60$70$80$90Nov 2025May 2026
$50$60$70$80$90Nov 2025May 2026

Insiders reported 4 open-market trades in MTX since Nov 21, 2025, at prices from $58.68 to $81.53; the most recent was a sale at $81.53 on May 14, 2026. These are the prices on the filings, not adjusted for stock splits, and not a market price series.

Insider holdings over time

Is an insider building or unwinding a position? Shares held directly after each filing.

DIETRICH DOUGLAS TJORDAN TIMOTHY
088K176K176K1K2026-01-232026-05-18

DIETRICH DOUGLAS T reported 175,973 shares held after the latest filing, against 166,078 at the first on record.

Insiders trading MTX

Everyone who filed a Form 4 for this ticker, by number of rows on record. "Bought" and "sold" count open-market purchases (code P) and sales only; awards, option exercises and shares withheld for tax are in the row count but not in those two columns. Showing 15 of 17.

InsiderRoleRowsBoughtSoldValue boughtValue soldLatest
DIETRICH DOUGLAS TCHAIRMAN AND CEO1404—$3.0MMay 14, 2026
ARGIRAKIS BRETTGroup President1404—$656KJanuary 26, 2026
MONAGLE DJ IIIGroup President1404—$1.8MJanuary 26, 2026
JORDAN TIMOTHYVice President1204—$694KMay 11, 2026
ALDAG ERIKSVP FINANCE AND TREASURY, CFO1103—$246KJanuary 26, 2026
CIPOLLA MICHAELVICE PRESIDENT1103—$148KJanuary 26, 2026
CUTLER ERINVP, Human Resources1103—$117KJanuary 26, 2026
PITTMAN CAROLYN KDirector1000——October 1, 2026
Hastings Jonathan JSenior Vice President903—$273KJanuary 26, 2026
Breunig Joseph C.Director500——September 4, 2026
CARMOLA JOHN JDirector500——September 4, 2026
CLARK ROBERT LDirector500——September 4, 2026
JOHNSON KRISTINA MDirector500——September 4, 2026
Motwani RockyDirector500——September 4, 2026
ROBINSON MARC EDirector500——September 4, 2026
What kind of transactions these are 4 Form 4 codes
CodeMeaningRowsSharesValue at reported prices
AGrant or award61179,767—
MOption exercise or conversion54263,970$2.8M
FShares withheld for tax2442,589$2.9M
SOpen-market sale457,162$4.1M

What each code means: Form 4 transaction codes.

Members of Congress trading MTX

Members whose periodic transaction reports name this ticker. Amounts are the sums of the ranges as filed.

MemberSeatTradesBoughtSoldRange as filedLatest
Gilbert Ray Cisneros, Jr.Representative (CA, District 31), Democrat211$2,002–$30KJuly 10, 2026

Download CSV145 rows · 50 KB · insider and congressional rows for this ticker · all downloads

Insider transactions

FilerSideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
PITTMAN CAROLYN KOther AOctober 1, 2026October 2, 20261d112——derivativeForm 4 ↗
Breunig Joseph C.Other ASeptember 4, 2026September 9, 20265d36——latederivativeForm 4 ↗
CARMOLA JOHN JOther ASeptember 4, 2026September 9, 20265d47——latederivativeForm 4 ↗
CLARK ROBERT LOther ASeptember 4, 2026September 9, 20265d56——latederivativeForm 4 ↗
JOHNSON KRISTINA MOther ASeptember 4, 2026September 9, 20265d10——latederivativeForm 4 ↗
Motwani RockyOther ASeptember 4, 2026September 9, 20265d14——latederivativeForm 4 ↗
PITTMAN CAROLYN KOther ASeptember 4, 2026September 9, 20265d35——latederivativeForm 4 ↗
ROBINSON MARC EOther ASeptember 4, 2026September 9, 20265d45——latederivativeForm 4 ↗
PITTMAN CAROLYN KOther AJuly 1, 2026July 2, 20261d99——derivativeForm 4 ↗
PITTMAN CAROLYN KOther AJune 18, 2026June 22, 20264d31——derivativeForm 4 ↗
Motwani RockyOther AJune 18, 2026June 22, 20264d12——derivativeForm 4 ↗
JOHNSON KRISTINA MOther AJune 18, 2026June 22, 20264d9——derivativeForm 4 ↗
CLARK ROBERT LOther AJune 18, 2026June 22, 20264d51——derivativeForm 4 ↗
CARMOLA JOHN JOther AJune 18, 2026June 22, 20264d43——derivativeForm 4 ↗
Breunig Joseph C.Other AJune 18, 2026June 22, 20264d33——derivativeForm 4 ↗
ROBINSON MARC EOther AJune 18, 2026June 22, 20264d41——derivativeForm 4 ↗
ROBINSON MARC EOther AMay 20, 2026May 21, 20261d1,908——derivativeForm 4 ↗
PITTMAN CAROLYN KOther AMay 20, 2026May 21, 20261d1,908——derivativeForm 4 ↗
Motwani RockyOther AMay 20, 2026May 21, 20261d1,908——derivativeForm 4 ↗
JOHNSON KRISTINA MOther AMay 20, 2026May 21, 20261d1,908——derivativeForm 4 ↗
CLARK ROBERT LOther AMay 20, 2026May 21, 20261d1,908——derivativeForm 4 ↗
CARMOLA JOHN JOther AMay 20, 2026May 21, 20261d1,908——derivativeForm 4 ↗
Breunig Joseph C.Other AMay 20, 2026May 21, 20261d1,908——derivativeForm 4 ↗
DIETRICH DOUGLAS TOption / conversion MMay 14, 2026May 18, 20264d21,568——derivativeForm 4 ↗
DIETRICH DOUGLAS TSell SMay 14, 2026May 18, 20264d21,568$82$1.8MForm 4 ↗
DIETRICH DOUGLAS TOption / conversion MMay 14, 2026May 18, 20264d21,568$78$1.7MForm 4 ↗
JORDAN TIMOTHYSell SMay 11, 2026May 13, 20262d6,000$80$482KForm 4 ↗
FEDER FRANKLINOther AApril 1, 2026April 3, 20262d239——derivativeForm 4 ↗
PITTMAN CAROLYN KOther AApril 1, 2026April 2, 20261d102——derivativeForm 4 ↗
ROBINSON MARC EOther AMarch 6, 2026March 10, 20264d44——derivativeForm 4 ↗
PITTMAN CAROLYN KOther AMarch 6, 2026March 10, 20264d33——derivativeForm 4 ↗
Motwani RockyOther AMarch 6, 2026March 10, 20264d11——derivativeForm 4 ↗
JOHNSON KRISTINA MOther AMarch 6, 2026March 10, 20264d7——derivativeForm 4 ↗
FEDER FRANKLINOther AMarch 6, 2026March 10, 20264d41——derivativeForm 4 ↗
Deans Alison AnnOther AMarch 6, 2026March 10, 20264d27——derivativeForm 4 ↗
CLARK ROBERT LOther AMarch 6, 2026March 10, 20264d56——derivativeForm 4 ↗
CARMOLA JOHN JOther AMarch 6, 2026March 10, 20264d46——derivativeForm 4 ↗
Breunig Joseph C.Other AMarch 6, 2026March 10, 20264d35——derivativeForm 4 ↗
DIETRICH DOUGLAS TOption / conversion MJanuary 26, 2026January 27, 20261d11,123——derivativeForm 4 ↗
DIETRICH DOUGLAS TOption / conversion MJanuary 23, 2026January 27, 20264d11,016——derivativeForm 4 ↗
DIETRICH DOUGLAS TSell FJanuary 26, 2026January 27, 20261d6,152$69$424KForm 4 ↗
DIETRICH DOUGLAS TOption / conversion MJanuary 26, 2026January 27, 20261d11,123——Form 4 ↗
DIETRICH DOUGLAS TSell FJanuary 23, 2026January 27, 20264d6,092$69$419KForm 4 ↗
DIETRICH DOUGLAS TOption / conversion MJanuary 23, 2026January 27, 20264d11,016——Form 4 ↗
CUTLER ERINOption / conversion MJanuary 26, 2026January 27, 20261d1,195——derivativeForm 4 ↗
CUTLER ERINOption / conversion MJanuary 23, 2026January 27, 20264d1,276——derivativeForm 4 ↗
CUTLER ERINSell FJanuary 26, 2026January 27, 20261d520$69$36KForm 4 ↗
CUTLER ERINOption / conversion MJanuary 26, 2026January 27, 20261d1,195——Form 4 ↗
CUTLER ERINSell FJanuary 23, 2026January 27, 20264d608$69$42KForm 4 ↗
CUTLER ERINOption / conversion MJanuary 23, 2026January 27, 20264d1,276——Form 4 ↗
CIPOLLA MICHAELOption / conversion MJanuary 26, 2026January 27, 20261d1,292——derivativeForm 4 ↗
CIPOLLA MICHAELOption / conversion MJanuary 23, 2026January 27, 20264d1,427——derivativeForm 4 ↗
CIPOLLA MICHAELSell FJanuary 26, 2026January 27, 20261d660$69$45KForm 4 ↗
CIPOLLA MICHAELOption / conversion MJanuary 26, 2026January 27, 20261d1,292——Form 4 ↗
CIPOLLA MICHAELSell FJanuary 23, 2026January 27, 20264d774$69$53KForm 4 ↗
CIPOLLA MICHAELOption / conversion MJanuary 23, 2026January 27, 20264d1,427——Form 4 ↗
ARGIRAKIS BRETTOption / conversion MJanuary 26, 2026January 27, 20261d2,672——derivativeForm 4 ↗
ARGIRAKIS BRETTOption / conversion MJanuary 23, 2026January 27, 20264d3,247——derivativeForm 4 ↗
ARGIRAKIS BRETTSell FJanuary 26, 2026January 27, 20261d1,163$69$80KForm 4 ↗
ARGIRAKIS BRETTOption / conversion MJanuary 26, 2026January 27, 20261d2,672——Form 4 ↗
ARGIRAKIS BRETTSell FJanuary 23, 2026January 27, 20264d1,413$69$97KForm 4 ↗
ARGIRAKIS BRETTOption / conversion MJanuary 23, 2026January 27, 20264d3,247——Form 4 ↗
Hastings Jonathan JOption / conversion MJanuary 26, 2026January 27, 20261d3,051——derivativeForm 4 ↗
Hastings Jonathan JOption / conversion MJanuary 23, 2026January 27, 20264d3,113——derivativeForm 4 ↗
Hastings Jonathan JSell FJanuary 26, 2026January 27, 20261d1,327$69$91KForm 4 ↗
Hastings Jonathan JOption / conversion MJanuary 26, 2026January 27, 20261d3,051——Form 4 ↗
Hastings Jonathan JSell FJanuary 23, 2026January 27, 20264d1,354$69$93KForm 4 ↗
Hastings Jonathan JOption / conversion MJanuary 23, 2026January 27, 20264d3,113——Form 4 ↗
JORDAN TIMOTHYOption / conversion MJanuary 26, 2026January 27, 20261d1,917——derivativeForm 4 ↗
JORDAN TIMOTHYOption / conversion MJanuary 23, 2026January 27, 20264d2,046——derivativeForm 4 ↗
JORDAN TIMOTHYSell FJanuary 26, 2026January 27, 20261d981$69$68KForm 4 ↗
JORDAN TIMOTHYOption / conversion MJanuary 26, 2026January 27, 20261d1,917——Form 4 ↗
JORDAN TIMOTHYSell FJanuary 23, 2026January 27, 20264d1,058$69$73KForm 4 ↗
JORDAN TIMOTHYOption / conversion MJanuary 23, 2026January 27, 20264d2,046——Form 4 ↗
MONAGLE DJ IIIOption / conversion MJanuary 26, 2026January 27, 20261d3,519——derivativeForm 4 ↗
MONAGLE DJ IIIOption / conversion MJanuary 23, 2026January 27, 20264d3,795——derivativeForm 4 ↗
MONAGLE DJ IIISell FJanuary 26, 2026January 27, 20261d1,947$69$134KForm 4 ↗
MONAGLE DJ IIIOption / conversion MJanuary 26, 2026January 27, 20261d3,519——Form 4 ↗
MONAGLE DJ IIISell FJanuary 23, 2026January 27, 20264d2,099$69$144KForm 4 ↗
MONAGLE DJ IIIOption / conversion MJanuary 23, 2026January 27, 20264d3,795——Form 4 ↗
ALDAG ERIKOption / conversion MJanuary 26, 2026January 27, 20261d1,841——derivativeForm 4 ↗
ALDAG ERIKOption / conversion MJanuary 23, 2026January 27, 20264d2,243——derivativeForm 4 ↗
ALDAG ERIKSell FJanuary 26, 2026January 27, 20261d1,019$69$70KForm 4 ↗
ALDAG ERIKOption / conversion MJanuary 26, 2026January 27, 20261d1,841——Form 4 ↗
ALDAG ERIKSell FJanuary 23, 2026January 27, 20264d1,240$69$85KForm 4 ↗
ALDAG ERIKOption / conversion MJanuary 23, 2026January 27, 20264d2,243——Form 4 ↗
Hastings Jonathan JOption / conversion MJanuary 21, 2026January 23, 20262d2,788——derivativeForm 4 ↗
Hastings Jonathan JSell FJanuary 21, 2026January 23, 20262d1,318$67$88KForm 4 ↗
Hastings Jonathan JOption / conversion MJanuary 21, 2026January 23, 20262d2,788——Form 4 ↗
ALDAG ERIKOption / conversion MJanuary 21, 2026January 23, 20262d2,245——derivativeForm 4 ↗
ALDAG ERIKSell FJanuary 21, 2026January 23, 20262d1,356$67$91KForm 4 ↗
ALDAG ERIKOption / conversion MJanuary 21, 2026January 23, 20262d2,245——Form 4 ↗
ARGIRAKIS BRETTOption / conversion MJanuary 21, 2026January 23, 20262d3,112——derivativeForm 4 ↗
ARGIRAKIS BRETTSell FJanuary 21, 2026January 23, 20262d1,457$67$98KForm 4 ↗
ARGIRAKIS BRETTOption / conversion MJanuary 21, 2026January 23, 20262d3,112——Form 4 ↗
CIPOLLA MICHAELOption / conversion MJanuary 21, 2026January 23, 20262d1,290——derivativeForm 4 ↗
CIPOLLA MICHAELSell FJanuary 21, 2026January 23, 20262d731$67$49KForm 4 ↗
CIPOLLA MICHAELOption / conversion MJanuary 21, 2026January 23, 20262d1,290——Form 4 ↗
CUTLER ERINOption / conversion MJanuary 21, 2026January 23, 20262d1,193——derivativeForm 4 ↗
CUTLER ERINSell FJanuary 21, 2026January 23, 20262d583$67$39KForm 4 ↗
CUTLER ERINOption / conversion MJanuary 21, 2026January 23, 20262d1,193——Form 4 ↗
DIETRICH DOUGLAS TOption / conversion MJanuary 21, 2026January 23, 20262d10,033——derivativeForm 4 ↗
DIETRICH DOUGLAS TSell FJanuary 21, 2026January 23, 20262d5,630$67$377KForm 4 ↗
DIETRICH DOUGLAS TOption / conversion MJanuary 21, 2026January 23, 20262d10,033——Form 4 ↗
JORDAN TIMOTHYOption / conversion MJanuary 21, 2026January 23, 20262d1,897——derivativeForm 4 ↗
JORDAN TIMOTHYSell FJanuary 21, 2026January 23, 20262d1,071$67$72KForm 4 ↗
JORDAN TIMOTHYOption / conversion MJanuary 21, 2026January 23, 20262d1,897——Form 4 ↗
MONAGLE DJ IIIOption / conversion MJanuary 21, 2026January 23, 20262d3,492——derivativeForm 4 ↗
MONAGLE DJ IIISell FJanuary 21, 2026January 23, 20262d2,036$67$136KForm 4 ↗
MONAGLE DJ IIIOption / conversion MJanuary 21, 2026January 23, 20262d3,492——Form 4 ↗
ALDAG ERIKOther AJanuary 20, 2026January 22, 20262d7,349——derivativeForm 4 ↗
ALDAG ERIKOther AJanuary 20, 2026January 22, 20262d8,557——derivativeForm 4 ↗
ARGIRAKIS BRETTOther AJanuary 20, 2026January 22, 20262d10,393——derivativeForm 4 ↗
ARGIRAKIS BRETTOther AJanuary 20, 2026January 22, 20262d12,101——derivativeForm 4 ↗
CIPOLLA MICHAELOther AJanuary 20, 2026January 22, 20262d3,966——derivativeForm 4 ↗
CIPOLLA MICHAELOther AJanuary 20, 2026January 22, 20262d4,618——derivativeForm 4 ↗
CUTLER ERINOther AJanuary 20, 2026January 22, 20262d3,828——derivativeForm 4 ↗
CUTLER ERINOther AJanuary 20, 2026January 22, 20262d4,457——derivativeForm 4 ↗
DIETRICH DOUGLAS TOther AJanuary 20, 2026January 22, 20262d33,494——derivativeForm 4 ↗
DIETRICH DOUGLAS TOther AJanuary 20, 2026January 22, 20262d39,000——derivativeForm 4 ↗
JORDAN TIMOTHYOther AJanuary 20, 2026January 22, 20262d6,038——derivativeForm 4 ↗
JORDAN TIMOTHYOther AJanuary 20, 2026January 22, 20262d7,030——derivativeForm 4 ↗
MONAGLE DJ IIIOther AJanuary 20, 2026January 22, 20262d10,739——derivativeForm 4 ↗
MONAGLE DJ IIIOther AJanuary 20, 2026January 22, 20262d12,504——derivativeForm 4 ↗
PITTMAN CAROLYN KOther AJanuary 2, 2026January 5, 20263d120——derivativeForm 4 ↗
FEDER FRANKLINOther AJanuary 2, 2026January 5, 20263d279——derivativeForm 4 ↗
MONAGLE DJ IIIOption / conversion MDecember 29, 2025December 31, 20252d23,093——derivativeForm 4 ↗
MONAGLE DJ IIISell SDecember 29, 2025December 31, 20252d23,093$62$1.4MForm 4 ↗
MONAGLE DJ IIIOption / conversion MDecember 29, 2025December 31, 20252d23,093$38$884KForm 4 ↗
ROBINSON MARC EOther ADecember 4, 2025December 8, 20254d51——derivativeForm 4 ↗
PITTMAN CAROLYN KOther ADecember 4, 2025December 8, 20254d38——derivativeForm 4 ↗
Motwani RockyOther ADecember 4, 2025December 8, 20254d13——derivativeForm 4 ↗
JOHNSON KRISTINA MOther ADecember 4, 2025December 8, 20254d8——derivativeForm 4 ↗
FEDER FRANKLINOther ADecember 4, 2025December 8, 20254d46——derivativeForm 4 ↗
Deans Alison AnnOther ADecember 4, 2025December 8, 20254d31——derivativeForm 4 ↗
CLARK ROBERT LOther ADecember 4, 2025December 8, 20254d65——derivativeForm 4 ↗
CARMOLA JOHN JOther ADecember 4, 2025December 8, 20254d53——derivativeForm 4 ↗
Breunig Joseph C.Other ADecember 4, 2025December 8, 20254d40——derivativeForm 4 ↗
ARGIRAKIS BRETTOption / conversion MNovember 21, 2025November 25, 20254d6,501——derivativeForm 4 ↗
ARGIRAKIS BRETTSell SNovember 21, 2025November 25, 20254d6,501$59$381KForm 4 ↗
ARGIRAKIS BRETTOption / conversion MNovember 21, 2025November 25, 20254d6,501$38$249KForm 4 ↗
PITTMAN CAROLYN KOther AOctober 1, 2025October 3, 20252d79——derivativeForm 4 ↗
FEDER FRANKLINOther AOctober 1, 2025October 3, 20252d197——derivativeForm 4 ↗

Congressional trades

FilerSideTrade dateDisclosedLagSharesPriceValueFlagsSourceShare
Gilbert Ray Cisneros, Jr.BuyJuly 10, 2026September 4, 202656d——$1,001–$15KlateHouse PTR ↗
Gilbert Ray Cisneros, Jr.SellJanuary 5, 2026February 13, 202639d——$1,001–$15KHouse PTR ↗

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Guides for this page

Sources and method

Official sources behind this page
SourceFilingsRowsFirst filedNewest filedRead the originals
House Clerk, periodic transaction reports22February 13, 2026September 4, 2026House Clerk search
SEC EDGAR, Form 474143October 3, 2025October 2, 2026Form 4 list on EDGAR

Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.

Insider rows are Form 4 filings for this issuer from SEC EDGAR; congressional rows are periodic transaction reports parsed from the House Clerk and the Senate eFD. Values use the reported price for Form 4 and the disclosed range for Congress. See methodology and corrections.

Not investment advice. Disclosures are shown as filed and may lag the trade or be amended. No recommendation is made or implied.