Maurer Mark Lowry

CEO - subsidiary entity at INTER TEL (DELAWARE), INC · on record since Jan 5, 2016
Chief Risk Officer at StoneX Group Inc. · on record since Dec 16, 2020

Insider trading activity of Maurer Mark Lowry

Transactions on record: 41; since Dec 16, 2016

Open-market buys: 0

Open-market sells: 15; $33M

Companies traded: 2; last filing Sep 15, 2026

Figures computed from official regulatory filings — .

Companies where Maurer Mark Lowry has traded

StoneX Group Inc.33 tx · $46.4M · Sep 15, 2026
INTER TEL (DELAWARE), INC8 tx · $4.6M · Dec 17, 2019

Track record of Maurer Mark Lowry

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Maurer Mark Lowry

Co-insiders of Maurer Mark Lowry

Anderson Paul GINTER TEL (DELAWARE), INC +1
BEXIGA ANNABELLE GINTER TEL (DELAWARE), INC +1
Bolte David AlbertINTER TEL (DELAWARE), INC +1
BRANCH SCOTT JINTER TEL (DELAWARE), INC +1
BUNTE BRENTINTER TEL (DELAWARE), INC +1
Cooper Diane L.INTER TEL (DELAWARE), INC +1
Dunaway William JINTER TEL (DELAWARE), INC +1
FOWLER JOHN MOOREINTER TEL (DELAWARE), INC +1
Harrod Patricia MarieINTER TEL (DELAWARE), INC +1
Henze Daryl KINTER TEL (DELAWARE), INC +1
KASS STEVEN AINTER TEL (DELAWARE), INC +1
KREHBIEL BRUCEINTER TEL (DELAWARE), INC +1
Lyon Charles MINTER TEL (DELAWARE), INC +1
McMurtry Nancey M.INTER TEL (DELAWARE), INC +1
MILLER ROBERT AINTER TEL (DELAWARE), INC +1
Nguyen XuongINTER TEL (DELAWARE), INC +1
OCONNOR SEAN MICHAELINTER TEL (DELAWARE), INC +1
PARTHEMORE ERICINTER TEL (DELAWARE), INC +1
RADZIWILL JOHNINTER TEL (DELAWARE), INC +1
Schroeder AaronINTER TEL (DELAWARE), INC +1
sephton brian TINTER TEL (DELAWARE), INC +1
Smith Philip AndrewINTER TEL (DELAWARE), INC +1
Tivy James WilliamINTER TEL (DELAWARE), INC +1
VEITIA DIEGO JINTER TEL (DELAWARE), INC +1
Wheeler Justin RexINTER TEL (DELAWARE), INC +1

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
StoneX Group Inc.Listing on record	Sep 15, 2026	Sell	-50,528	67.02 USD	$3.4M		SEC
StoneX Group Inc.Listing on record	Sep 15, 2026	Exercise	69,372	8.90 USD	$617.4K		SEC
StoneX Group Inc.Listing on record	Sep 15, 2026	Sell	-52,564	68.83 USD	$3.6M		SEC
StoneX Group Inc.Listing on record	Sep 15, 2026	ExerciseD (derivative)	-69,372	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Aug 11, 2026	Exercise	69,372	8.90 USD	$617.4K		SEC
StoneX Group Inc.Listing on record	Aug 11, 2026	ExerciseD (derivative)	-69,372	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Aug 11, 2026	Sell	-52,648	66.25 USD	$3.5M		SEC
StoneX Group Inc.Listing on record	Jul 23, 2026	Sell	-52,376	74.32 USD	$3.9M		SEC
StoneX Group Inc.Listing on record	Jul 23, 2026	ExerciseD (derivative)	-69,372	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Jul 23, 2026	Exercise	69,372	8.90 USD	$617.4K		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	Exercise	46,248	13.34 USD	$616.9K		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	ExerciseD (derivative)	-46,248	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	Sell	-11,542	133.63 USD	$1.5M		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	Sell	-34,706	135.31 USD	$4.7M		SEC
StoneX Group Inc.Listing on record	May 26, 2026	Sell	-11,398	112.25 USD	$1.3M		SEC
StoneX Group Inc.Listing on record	May 15, 2026	Exercise	46,260	13.34 USD	$617.1K		SEC
StoneX Group Inc.Listing on record	May 15, 2026	Sell	-34,862	116.29 USD	$4.1M		SEC
StoneX Group Inc.Listing on record	May 15, 2026	ExerciseD (derivative)	-46,260	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Feb 11, 2026	Sell	-40,000	124.88 USD	$5M	Unusual size	SEC
StoneX Group Inc.Listing on record	Feb 11, 2026	Exercise	40,000	20.00 USD	$800K		SEC
StoneX Group Inc.Listing on record	Feb 11, 2026	ExerciseD (derivative)	-40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Dec 17, 2025	Award	7,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Dec 16, 2024	Award	6,922	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Dec 16, 2024	Sell	-5,000	101.60 USD	$508K		SEC
StoneX Group Inc.Listing on record	Dec 19, 2023	Award	10,954	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
StoneX Group Inc.Listing on record	Sep 15, 2026	Sell	-50,528	67.02 USD	$3.4M		SEC
StoneX Group Inc.Listing on record	Sep 15, 2026	Exercise	69,372	8.90 USD	$617.4K		SEC
StoneX Group Inc.Listing on record	Sep 15, 2026	Sell	-52,564	68.83 USD	$3.6M		SEC
StoneX Group Inc.Listing on record	Sep 15, 2026	ExerciseD (derivative)	-69,372	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Aug 11, 2026	Exercise	69,372	8.90 USD	$617.4K		SEC
StoneX Group Inc.Listing on record	Aug 11, 2026	ExerciseD (derivative)	-69,372	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Aug 11, 2026	Sell	-52,648	66.25 USD	$3.5M		SEC
StoneX Group Inc.Listing on record	Jul 23, 2026	Sell	-52,376	74.32 USD	$3.9M		SEC
StoneX Group Inc.Listing on record	Jul 23, 2026	ExerciseD (derivative)	-69,372	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Jul 23, 2026	Exercise	69,372	8.90 USD	$617.4K		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	Exercise	46,248	13.34 USD	$616.9K		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	ExerciseD (derivative)	-46,248	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	Sell	-11,542	133.63 USD	$1.5M		SEC
StoneX Group Inc.Listing on record	Jun 17, 2026	Sell	-34,706	135.31 USD	$4.7M		SEC
StoneX Group Inc.Listing on record	May 26, 2026	Sell	-11,398	112.25 USD	$1.3M		SEC
StoneX Group Inc.Listing on record	May 15, 2026	Exercise	46,260	13.34 USD	$617.1K		SEC
StoneX Group Inc.Listing on record	May 15, 2026	Sell	-34,862	116.29 USD	$4.1M		SEC
StoneX Group Inc.Listing on record	May 15, 2026	ExerciseD (derivative)	-46,260	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Feb 11, 2026	Sell	-40,000	124.88 USD	$5M	Unusual size	SEC
StoneX Group Inc.Listing on record	Feb 11, 2026	Exercise	40,000	20.00 USD	$800K		SEC
StoneX Group Inc.Listing on record	Feb 11, 2026	ExerciseD (derivative)	-40,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Dec 17, 2025	Award	7,300	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Dec 16, 2024	Award	6,922	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
StoneX Group Inc.Listing on record	Dec 16, 2024	Sell	-5,000	101.60 USD	$508K		SEC
StoneX Group Inc.Listing on record	Dec 19, 2023	Award	10,954	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC