Mark Lowry Maurer

CIK: 0001662210

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)11 (55.0%)

Position reduction

Option Exercises (M)7 (35.0%)

Derivative conversions

Awards (A)2 (10.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

SNEX

StoneX Group Inc.

Discretionary Trading P&L

Holdings

Transaction History (20 total)

SNEX
StoneX Group Inc.
Oct 12, 2026
Sale(S)
Direct
53K shares at avg. $60.35$3.2M
SNEX
StoneX Group Inc.
Oct 12, 2026
Exercise(M)
Direct
69.4K shares at avg. $8.90$617K
SNEX
StoneX Group Inc.
Sep 15, 2026
Sale(S)
Direct
50.5K shares at avg. $67.02$3.4M
SNEX
StoneX Group Inc.
Sep 14, 2026
Sale(S)
Direct
52.6K shares at avg. $68.83$3.6M
SNEX
StoneX Group Inc.
Sep 14, 2026
Exercise(M)
Direct
69.4K shares at avg. $8.90$617K
SNEX
StoneX Group Inc.
Aug 7, 2026
Exercise(M)
Direct
69.4K shares at avg. $8.90$617K
SNEX
StoneX Group Inc.
Aug 7, 2026
Sale(S)
Direct
52.6K shares at avg. $66.25$3.5M
SNEX
StoneX Group Inc.
Jul 22, 2026
Sale(S)
Direct
52.4K shares at avg. $74.32$3.9M
SNEX
StoneX Group Inc.
Jul 22, 2026
Exercise(M)
Direct
69.4K shares at avg. $8.90$617K
SNEX
StoneX Group Inc.
Jun 16, 2026
Sale(S)
Direct
11.5K shares at avg. $133.63$1.5M
SNEX
StoneX Group Inc.
Jun 15, 2026
Exercise(M)
Direct
46.2K shares at avg. $13.34$617K
SNEX
StoneX Group Inc.
Jun 15, 2026
Sale(S)
Direct
34.7K shares at avg. $135.31$4.7M
SNEX
StoneX Group Inc.
May 22, 2026
Sale(S)
Direct
11.4K shares at avg. $112.25$1.3M
SNEX
StoneX Group Inc.
May 14, 2026
Exercise(M)
Direct
46.3K shares at avg. $13.34$617K
SNEX
StoneX Group Inc.
May 14, 2026
Sale(S)
Direct
34.9K shares at avg. $116.29$4.1M
SNEX
StoneX Group Inc.
Feb 9, 2026
Exercise(M)
Direct
40K shares at avg. $20.00$800K
SNEX
StoneX Group Inc.
Feb 9, 2026
Sale(S)
Direct
40K shares at avg. $124.88$5.0M
SNEX
StoneX Group Inc.
Dec 15, 2025
Award(A)
Direct
7.3K shares-
SNEX
StoneX Group Inc.
Dec 13, 2024
Award(A)
Direct
6.9K shares-
SNEX
StoneX Group Inc.
Dec 12, 2024
Sale(S)
Direct
5K shares at avg. $101.60$508K

		Type	Shares	Price		Ownership
Oct 12, 2026	SNEX StoneX Group Inc.	Sale(S)	52,953	$60.35	$3,195,650	Direct
Oct 12, 2026	SNEX StoneX Group Inc.	Exercise(M)	69,372	$8.90	$617,411	Direct
Sep 15, 2026	SNEX StoneX Group Inc.	Sale(S)	50,528	$67.02	$3,386,629	Direct
Sep 14, 2026	SNEX StoneX Group Inc.	Sale(S)	52,564	$68.83	$3,617,864	Direct
Sep 14, 2026	SNEX StoneX Group Inc.	Exercise(M)	69,372	$8.90	$617,411	Direct
Aug 7, 2026	SNEX StoneX Group Inc.	Exercise(M)	69,372	$8.90	$617,411	Direct
Aug 7, 2026	SNEX StoneX Group Inc.	Sale(S)	52,648	$66.25	$3,487,935	Direct
Jul 22, 2026	SNEX StoneX Group Inc.	Sale(S)	52,376	$74.32	$3,892,679	Direct
Jul 22, 2026	SNEX StoneX Group Inc.	Exercise(M)	69,372	$8.90	$617,411	Direct
Jun 16, 2026	SNEX StoneX Group Inc.	Sale(S)	11,542	$133.63	$1,542,332	Direct
Jun 15, 2026	SNEX StoneX Group Inc.	Exercise(M)	46,248	$13.34	$616,948	Direct
Jun 15, 2026	SNEX StoneX Group Inc.	Sale(S)	34,706	$135.31	$4,696,090	Direct
May 22, 2026	SNEX StoneX Group Inc.	Sale(S)	11,398	$112.25	$1,279,374	Direct
May 14, 2026	SNEX StoneX Group Inc.	Exercise(M)	46,260	$13.34	$617,108	Direct
May 14, 2026	SNEX StoneX Group Inc.	Sale(S)	34,862	$116.29	$4,054,248	Direct
Feb 9, 2026	SNEX StoneX Group Inc.	Exercise(M)	40,000	$20.00	$800,000	Direct
Feb 9, 2026	SNEX StoneX Group Inc.	Sale(S)	40,000	$124.88	$4,995,120	Direct
Dec 15, 2025	SNEX StoneX Group Inc.	Award(A)	7,300	-	-	Direct
Dec 13, 2024	SNEX StoneX Group Inc.	Award(A)	6,922	-	$0	Direct
Dec 12, 2024	SNEX StoneX Group Inc.	Sale(S)	5,000	$101.60	$508,011	Direct

1-20 of 20 transactions

About Maurer Mark Lowry

Maurer Mark Lowry (SEC CIK 0001662210) files insider reports with the SEC as StoneX Group Inc. (SNEX).

Signal8 holds 10 ownership filings by Maurer Mark Lowry, all Form 4s, filed between Dec 16, 2024 and Oct 14, 2026. Those filings report 20 transactions, from Dec 12, 2024 to Oct 12, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Maurer Mark Lowry's filings is in CHICAGO, IL.

Recent filings by Maurer Mark Lowry

Oct 12, 2026: Open-market sale of SNEX shares (Form 4, code S).
Oct 12, 2026: Option exercise of SNEX shares (Form 4, code M).
Sep 15, 2026: Open-market sale of SNEX shares (Form 4, code S).
Sep 14, 2026: Open-market sale of SNEX shares (Form 4, code S).
Sep 14, 2026: Option exercise of SNEX shares (Form 4, code M).

Other insiders filing for StoneX Group Inc. (SNEX)

FOWLER JOHN MOORE, Director
DiCiollo Anthony J, Head of Institutional Segment
KASS STEVEN A, Director
RADZIWILL JOHN, Chairman of the Board
Thamodaran Dhamu R., Director
Cooper Diane L., Director

How to read Form 4 transaction codes