MKTX Insider Trading

Net Selling · 180d
Open-Market Buys (180d)
$0
0 insiders
Open-Market Sells (180d)
$91K
1 insiders
Net Insider Flow
-$91K
open market, 180d
Reporting Insiders
1
6 P/S transactions
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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
Jul 10, 2026Pintoff ScottGeneral Counsel and SecretarySell(S)100$115.12$12K
Jun 18, 2026Hernandez Carlos MauricioDirectorGift(G)11K$0
Jun 18, 2026Hernandez Carlos MauricioDirectorGift(G)11K$0
Jun 10, 2026Pintoff ScottGeneral Counsel and SecretarySell(S)100$116.03$12K
Jun 10, 2026Portney Emily HopeDirectorGrant(A)1K$0
Jun 10, 2026Schiciano Kenneth TDirectorGrant(A)1K$0
Jun 10, 2026Ketchum Richard GDirectorGrant(A)1K$0
Jun 10, 2026Hoornweg RobertoDirectorGrant(A)1K$0
Jun 10, 2026Hernandez Carlos MauricioDirectorGrant(A)3K$0
Jun 10, 2026Cifu Douglas ADirectorGrant(A)1K$0
Jun 10, 2026Chwick JaneDirectorGrant(A)1K$0
Jun 10, 2026Gibson KourtneyDirectorGrant(A)1K$0
Jun 10, 2026Cruger William Frank Jr.DirectorGrant(A)1K$0
Jun 10, 2026Begleiter Steven LDirectorGrant(A)1K$0
Jun 10, 2026Altobello Nancy A.DirectorGrant(A)1K$0
Jun 3, 2026Fiszel Bieler IleneChief Financial OfficerTax withholding(F)332$123.18$41K
May 11, 2026Pintoff ScottGeneral Counsel and SecretarySell(S)100$146.99$15K
May 1, 2026Quan WilliamChief Technology OfficerGrant(A)218$0
Apr 10, 2026Pintoff ScottGeneral Counsel and SecretarySell(S)100$171.96$17K
Apr 3, 2026Concannon Christopher RChief Executive Officer, DirectorTax withholding(F)349$171.46$60K
Mar 10, 2026Pintoff ScottGeneral Counsel and SecretarySell(S)100$184.93$18K
Mar 1, 2026Panchal Naineshkumar ShantilalChief Information OfficerTax withholding(F)1K$192.00$282K
Mar 1, 2026Schiciano Kenneth TDirectorGrant(A)259$0
Mar 1, 2026Cifu Douglas ADirectorGrant(A)259$0
Feb 15, 2026Mirwani Nitin AChief Accounting OfficerGrant(A)2K$0
Feb 15, 2026McPherson Kevin MChief Revenue OfficerTax withholding(F)2K$179.36$274K
Feb 15, 2026McPherson Kevin MChief Revenue OfficerGrant(A)4K$0
Feb 15, 2026McPherson Kevin MChief Revenue OfficerTax withholding(F)462$179.36$83K
Feb 15, 2026Panchal Naineshkumar ShantilalChief Information OfficerTax withholding(F)159$179.36$29K
Feb 15, 2026Panchal Naineshkumar ShantilalChief Information OfficerGrant(A)3K$0
Feb 15, 2026Panchal Naineshkumar ShantilalChief Information OfficerTax withholding(F)1K$179.36$182K
Feb 15, 2026Pintoff ScottGeneral Counsel and SecretaryTax withholding(F)824$179.36$148K
Feb 15, 2026Pintoff ScottGeneral Counsel and SecretaryGrant(A)3K$0
Feb 15, 2026Pintoff ScottGeneral Counsel and SecretaryTax withholding(F)208$179.36$37K
Feb 15, 2026Fiszel Bieler IleneChief Financial OfficerTax withholding(F)439$179.36$79K
Feb 15, 2026Fiszel Bieler IleneChief Financial OfficerGrant(A)5K$0
Feb 15, 2026Concannon Christopher RChief Executive Officer, DirectorTax withholding(F)2K$179.36$314K
Feb 15, 2026Concannon Christopher RChief Executive Officer, DirectorTax withholding(F)866$179.36$155K
Feb 15, 2026Concannon Christopher RChief Executive Officer, DirectorGrant(A)7K$0
Feb 15, 2026Concannon Christopher RChief Executive Officer, DirectorGrant(A)22K$0
Feb 13, 2026McPherson Kevin MChief Revenue OfficerGrant(A)939$0
Feb 13, 2026Panchal Naineshkumar ShantilalChief Information OfficerGrant(A)394$0
Feb 13, 2026Pintoff ScottGeneral Counsel and SecretaryGrant(A)515$0
Feb 13, 2026Concannon Christopher RChief Executive Officer, DirectorGrant(A)2K$0
Feb 10, 2026Pintoff ScottGeneral Counsel and SecretarySell(S)100$171.91$17K
Jan 12, 2026Pintoff ScottGeneral Counsel and SecretarySell(S)100$168.63$17K
Dec 12, 2025Pintoff ScottGeneral Counsel and SecretarySell(S)100$177.85$18K
Nov 25, 2025Hernandez Carlos MauricioDirectorGift(G)7K$0
Nov 25, 2025Hernandez Carlos MauricioDirectorGift(G)7K$0
Oct 1, 2025Berry DeanGroup COO & CEO, EMEA & APACGrant(A)26K$0
Sep 12, 2025McPherson Kevin MChief Revenue OfficerSell(S)1K$185.32$277K
Sep 8, 2025Casper Stephen PDirectorSell(S)2K$186.59$299K
Aug 13, 2025Portney Emily HopeDirectorGift(G)4K$0
Aug 13, 2025Portney Emily HopeDirectorGift(G)4K$0
Jun 11, 2025McPherson Kevin MChief Revenue OfficerSell(S)2K$224.77$450K
Jun 4, 2025Hernandez Carlos MauricioDirectorGrant(A)1K$0
Jun 4, 2025Cruger William Frank Jr.DirectorGrant(A)784$0
Jun 4, 2025Gibson KourtneyDirectorGrant(A)784$0
Jun 4, 2025Chwick JaneDirectorGrant(A)784$0
Jun 4, 2025Hoornweg RobertoDirectorGrant(A)784$0
Jun 4, 2025Ketchum Richard GDirectorGrant(A)784$0
Jun 4, 2025Casper Stephen PDirectorGrant(A)784$0
Jun 4, 2025Portney Emily HopeDirectorGrant(A)784$0
Jun 4, 2025Altobello Nancy A.DirectorGrant(A)784$0
Jun 4, 2025Begleiter Steven LDirectorGrant(A)784$0
Jun 3, 2025Fiszel Bieler IleneChief Financial OfficerTax withholding(F)242$219.02$53K
May 15, 2025McPherson Kevin MChief Revenue OfficerGift(G)250$0
May 14, 2025Roupie Christophe Pierre DanielHead of EMEA and APACSell(S)1K$210.44$250K
Apr 1, 2025Cianciulli Michael R.Head of Ext Rep & Comp AcctingGrant(A)232$0
Mar 20, 2025Hernandez Carlos MauricioDirectorGift(G)12K$0
Mar 20, 2025Hernandez Carlos MauricioDirectorGift(G)12K$0
Mar 3, 2025Hernandez Carlos MauricioDirectorGift(G)12K$0
Mar 3, 2025Hernandez Carlos MauricioDirectorGift(G)12K$0
Mar 1, 2025Hoornweg RobertoDirectorGrant(A)215$0
Mar 1, 2025Panchal Naineshkumar ShantilalChief Information OfficerTax withholding(F)991$192.79$191K
Mar 1, 2025Panchal Naineshkumar ShantilalChief Information OfficerTax withholding(F)583$192.79$112K
Feb 15, 2025Fiszel Bieler IleneChief Financial OfficerGrant(A)3K$0
Feb 15, 2025Roupie Christophe Pierre DanielHead of EMEA and APACGrant(A)2K$0
Feb 15, 2025Roupie Christophe Pierre DanielHead of EMEA and APACTax withholding(F)602$193.49$116K
Feb 15, 2025Pintoff ScottGeneral Counsel and SecretaryTax withholding(F)691$193.49$134K
Feb 15, 2025Pintoff ScottGeneral Counsel and SecretaryGrant(A)2K$0
Feb 15, 2025Panchal Naineshkumar ShantilalChief Information OfficerTax withholding(F)624$193.49$121K
Feb 15, 2025Panchal Naineshkumar ShantilalChief Information OfficerGrant(A)2K$0
Feb 15, 2025McPherson Kevin MChief Revenue OfficerGrant(A)4K$0
Feb 15, 2025McPherson Kevin MChief Revenue OfficerTax withholding(F)1K$193.49$194K
Feb 15, 2025Cianciulli Michael R.Head of External ReportingGrant(A)324$0
Feb 15, 2025Cianciulli Michael R.Head of External ReportingTax withholding(F)83$193.49$16K
Feb 15, 2025Concannon Christopher RChief Executive Officer, DirectorGrant(A)6K$0
Feb 15, 2025Concannon Christopher RChief Executive Officer, DirectorTax withholding(F)693$193.49$134K
Feb 15, 2025Concannon Christopher RChief Executive Officer, DirectorGrant(A)18K$0
Feb 14, 2025Panchal Naineshkumar ShantilalChief Information OfficerGrant(A)2K$0
Jan 31, 2025Cianciulli Michael R.Head of External ReportingTax withholding(F)8$217.77$2K
Jan 31, 2025McPherson Kevin MChief Revenue OfficerTax withholding(F)261$217.77$57K
Jan 31, 2025McPherson Kevin MChief Revenue OfficerTax withholding(F)310$217.77$68K
Jan 31, 2025Concannon Christopher RChief Executive Officer, DirectorTax withholding(F)585$217.77$127K
Jan 31, 2025Concannon Christopher RChief Executive Officer, DirectorTax withholding(F)243$217.77$53K
Jan 31, 2025Roupie Christophe Pierre DanielHead of EMEA and APACTax withholding(F)263$217.77$57K
Jan 31, 2025Roupie Christophe Pierre DanielHead of EMEA and APACTax withholding(F)194$217.77$42K
Jan 31, 2025Pintoff ScottGeneral Counsel and SecretaryTax withholding(F)258$217.77$56K
Jan 31, 2025Pintoff ScottGeneral Counsel and SecretaryTax withholding(F)195$217.77$42K

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.

Coverage: Form 4 filings indexed 2021-04-262026-07-11. Earlier history is backfilling; this window widens as it deepens.

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