MTX Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$1.4M
1 insiders
Net Insider Flow
-$1.4M
open market, 180d
Reporting Insiders
1
1 P/S transactions
Build

Build on these Form 4 transactions

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Recent Form 4 Transactions

100 shown
DateInsiderRoleActionSharesPriceValue
Mar 6, 2026Breunig Joseph C.DirectorGrant(A)35$0
Mar 6, 2026Carmola John JDirectorGrant(A)46$0
Mar 6, 2026Clark Robert LDirectorGrant(A)56$0
Mar 6, 2026Deans Alison AnnDirectorGrant(A)27$0
Mar 6, 2026Feder FranklinDirectorGrant(A)41$0
Mar 6, 2026Johnson Kristina MDirectorGrant(A)7$0
Mar 6, 2026Motwani RockyDirectorGrant(A)11$0
Mar 6, 2026Pittman Carolyn KDirectorGrant(A)33$0
Mar 6, 2026Robinson Marc EDirectorGrant(A)44$0
Jan 26, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOOption exercise(M)2K$0
Jan 26, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOTax withholding(F)1K$68.89$70K
Jan 26, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOOption exercise(M)2K$0
Jan 26, 2026Monagle DJ IIIGroup PresidentOption exercise(M)4K$0
Jan 26, 2026Monagle DJ IIIGroup PresidentTax withholding(F)2K$68.89$134K
Jan 26, 2026Monagle DJ IIIGroup PresidentOption exercise(M)4K$0
Jan 26, 2026Jordan TimothyVice PresidentTax withholding(F)981$68.89$68K
Jan 26, 2026Jordan TimothyVice PresidentOption exercise(M)2K$0
Jan 26, 2026Jordan TimothyVice PresidentOption exercise(M)2K$0
Jan 26, 2026Hastings Jonathan JSenior Vice PresidentTax withholding(F)1K$68.89$91K
Jan 26, 2026Hastings Jonathan JSenior Vice PresidentOption exercise(M)3K$0
Jan 26, 2026Hastings Jonathan JSenior Vice PresidentOption exercise(M)3K$0
Jan 26, 2026Argirakis BrettGroup PresidentTax withholding(F)1K$68.89$80K
Jan 26, 2026Argirakis BrettGroup PresidentOption exercise(M)3K$0
Jan 26, 2026Argirakis BrettGroup PresidentOption exercise(M)3K$0
Jan 26, 2026Cipolla MichaelVICE PRESIDENTTax withholding(F)660$68.89$45K
Jan 26, 2026Cipolla MichaelVICE PRESIDENTOption exercise(M)1K$0
Jan 26, 2026Cipolla MichaelVICE PRESIDENTOption exercise(M)1K$0
Jan 26, 2026Cutler ErinVP, Human ResourcesTax withholding(F)520$68.89$36K
Jan 26, 2026Cutler ErinVP, Human ResourcesOption exercise(M)1K$0
Jan 26, 2026Cutler ErinVP, Human ResourcesOption exercise(M)1K$0
Jan 26, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorTax withholding(F)6K$68.89$424K
Jan 26, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorOption exercise(M)11K$0
Jan 26, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorOption exercise(M)11K$0
Jan 23, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOTax withholding(F)1K$68.77$85K
Jan 23, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOOption exercise(M)2K$0
Jan 23, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOOption exercise(M)2K$0
Jan 23, 2026Monagle DJ IIIGroup PresidentTax withholding(F)2K$68.77$144K
Jan 23, 2026Monagle DJ IIIGroup PresidentOption exercise(M)4K$0
Jan 23, 2026Monagle DJ IIIGroup PresidentOption exercise(M)4K$0
Jan 23, 2026Jordan TimothyVice PresidentOption exercise(M)2K$0
Jan 23, 2026Jordan TimothyVice PresidentTax withholding(F)1K$68.77$73K
Jan 23, 2026Jordan TimothyVice PresidentOption exercise(M)2K$0
Jan 23, 2026Hastings Jonathan JSenior Vice PresidentOption exercise(M)3K$0
Jan 23, 2026Hastings Jonathan JSenior Vice PresidentTax withholding(F)1K$68.77$93K
Jan 23, 2026Hastings Jonathan JSenior Vice PresidentOption exercise(M)3K$0
Jan 23, 2026Argirakis BrettGroup PresidentOption exercise(M)3K$0
Jan 23, 2026Argirakis BrettGroup PresidentTax withholding(F)1K$68.77$97K
Jan 23, 2026Argirakis BrettGroup PresidentOption exercise(M)3K$0
Jan 23, 2026Cipolla MichaelVICE PRESIDENTOption exercise(M)1K$0
Jan 23, 2026Cipolla MichaelVICE PRESIDENTTax withholding(F)774$68.77$53K
Jan 23, 2026Cipolla MichaelVICE PRESIDENTOption exercise(M)1K$0
Jan 23, 2026Cutler ErinVP, Human ResourcesOption exercise(M)1K$0
Jan 23, 2026Cutler ErinVP, Human ResourcesTax withholding(F)608$68.77$42K
Jan 23, 2026Cutler ErinVP, Human ResourcesOption exercise(M)1K$0
Jan 23, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorOption exercise(M)11K$0
Jan 23, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorTax withholding(F)6K$68.77$419K
Jan 23, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorOption exercise(M)11K$0
Jan 21, 2026Monagle DJ IIIGroup PresidentOption exercise(M)3K$0
Jan 21, 2026Monagle DJ IIIGroup PresidentTax withholding(F)2K$66.92$136K
Jan 21, 2026Monagle DJ IIIGroup PresidentOption exercise(M)3K$0
Jan 21, 2026Jordan TimothyVice PresidentOption exercise(M)2K$0
Jan 21, 2026Jordan TimothyVice PresidentTax withholding(F)1K$66.92$72K
Jan 21, 2026Jordan TimothyVice PresidentOption exercise(M)2K$0
Jan 21, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorTax withholding(F)6K$66.92$377K
Jan 21, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorOption exercise(M)10K$0
Jan 21, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorOption exercise(M)10K$0
Jan 21, 2026Cutler ErinVP, Human ResourcesOption exercise(M)1K$0
Jan 21, 2026Cutler ErinVP, Human ResourcesTax withholding(F)583$66.92$39K
Jan 21, 2026Cutler ErinVP, Human ResourcesOption exercise(M)1K$0
Jan 21, 2026Cipolla MichaelVICE PRESIDENTTax withholding(F)731$66.92$49K
Jan 21, 2026Cipolla MichaelVICE PRESIDENTOption exercise(M)1K$0
Jan 21, 2026Cipolla MichaelVICE PRESIDENTOption exercise(M)1K$0
Jan 21, 2026Argirakis BrettGroup PresidentTax withholding(F)1K$66.92$98K
Jan 21, 2026Argirakis BrettGroup PresidentOption exercise(M)3K$0
Jan 21, 2026Argirakis BrettGroup PresidentOption exercise(M)3K$0
Jan 21, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOTax withholding(F)1K$66.92$91K
Jan 21, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOOption exercise(M)2K$0
Jan 21, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOOption exercise(M)2K$0
Jan 21, 2026Hastings Jonathan JSenior Vice PresidentOption exercise(M)3K$0
Jan 21, 2026Hastings Jonathan JSenior Vice PresidentTax withholding(F)1K$66.92$88K
Jan 21, 2026Hastings Jonathan JSenior Vice PresidentOption exercise(M)3K$0
Jan 20, 2026Monagle DJ IIIGroup PresidentGrant(A)11K$0
Jan 20, 2026Monagle DJ IIIGroup PresidentGrant(A)13K$0
Jan 20, 2026Jordan TimothyVice PresidentGrant(A)7K$0
Jan 20, 2026Jordan TimothyVice PresidentGrant(A)6K$0
Jan 20, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorGrant(A)33K$0
Jan 20, 2026Dietrich Douglas TCHAIRMAN AND CEO, DirectorGrant(A)39K$0
Jan 20, 2026Cutler ErinVP, Human ResourcesGrant(A)4K$0
Jan 20, 2026Cutler ErinVP, Human ResourcesGrant(A)4K$0
Jan 20, 2026Cipolla MichaelVICE PRESIDENTGrant(A)5K$0
Jan 20, 2026Cipolla MichaelVICE PRESIDENTGrant(A)4K$0
Jan 20, 2026Argirakis BrettGroup PresidentGrant(A)10K$0
Jan 20, 2026Argirakis BrettGroup PresidentGrant(A)12K$0
Jan 20, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOGrant(A)7K$0
Jan 20, 2026Aldag ErikSVP FINANCE AND TREASURY, CFOGrant(A)9K$0
Jan 2, 2026Feder FranklinDirectorGrant(A)279$0
Jan 2, 2026Pittman Carolyn KDirectorGrant(A)120$0
Dec 29, 2025Monagle DJ IIIGroup PresidentSell(S)23K$61.90$1.4M
Dec 29, 2025Monagle DJ IIIGroup PresidentOption exercise(M)23K$38.29$884K
Dec 29, 2025Monagle DJ IIIGroup PresidentOption exercise(M)23K$0

Data Source

Insider transactions sourced from SEC EDGAR Form 4 filings, normalized within minutes of acceptance. "Buy"/"Sell" mark open-market transactions (codes P/S), the tradeable signal. Awards, option exercises and tax-withholding are shown with their raw code. All data is public domain.

Programmatic access via the Arkolith API & MCP server (insider.transactions, insider.company).