Charles M. Lyon

CIK: 0001620576

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (30.8%)

Position reduction

Option Exercises (M)3 (23.1%)

Derivative conversions

Awards (A)2 (15.4%)

Compensation grants

Other (G, F, J, C, D, …)4 (30.8%)

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

Companies & Roles (1)

SNEX

StoneX Group Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (13 total)

SNEX
StoneX Group Inc.
Sep 10, 2026
Gift(G)
Direct
500 shares-
SNEX
StoneX Group Inc.
Jun 12, 2026
Sale(S)
Direct
9K shares at avg. $131.96$1.2M
SNEX
StoneX Group Inc.
Feb 9, 2026
Exercise(M)
Direct
45K shares at avg. $20.00$900K
SNEX
StoneX Group Inc.
Feb 9, 2026
Sale(S)
Direct
30K shares at avg. $124.78$3.7M
SNEX
StoneX Group Inc.
Dec 15, 2025
Award(A)
Direct
13.4K shares-
SNEX
StoneX Group Inc.
May 19, 2025
Gift(G)
Direct
150 shares-
SNEX
StoneX Group Inc.
May 15, 2025
Exercise(M)
Direct
13K shares at avg. $20.00$260K
SNEX
StoneX Group Inc.
May 15, 2025
Sale(S)
Direct
13K shares at avg. $86.92$1.1M
SNEX
StoneX Group Inc.
May 14, 2025
Exercise(M)
Direct
32K shares at avg. $20.00$640K
SNEX
StoneX Group Inc.
May 14, 2025
Sale(S)
Direct
17K shares at avg. $87.92$1.5M
SNEX
StoneX Group Inc.
Dec 17, 2024
Gift(G)
Direct
100 shares-
SNEX
StoneX Group Inc.
Dec 16, 2024
Gift(G)
Direct
500 shares-
SNEX
StoneX Group Inc.
Dec 13, 2024
Award(A)
Direct
10.4K shares-

		Type	Shares	Price		Ownership
Sep 10, 2026	SNEX StoneX Group Inc.	Gift(G)	500	-	$0	Direct
Jun 12, 2026	SNEX StoneX Group Inc.	Sale(S)	9,000	$131.96	$1,187,640	Direct
Feb 9, 2026	SNEX StoneX Group Inc.	Exercise(M)	45,000	$20.00	$900,000	Direct
Feb 9, 2026	SNEX StoneX Group Inc.	Sale(S)	30,000	$124.78	$3,743,271	Direct
Dec 15, 2025	SNEX StoneX Group Inc.	Award(A)	13,400	-	-	Direct
May 19, 2025	SNEX StoneX Group Inc.	Gift(G)	150	-	-	Direct
May 15, 2025	SNEX StoneX Group Inc.	Exercise(M)	13,000	$20.00	$260,000	Direct
May 15, 2025	SNEX StoneX Group Inc.	Sale(S)	13,000	$86.92	$1,129,952	Direct
May 14, 2025	SNEX StoneX Group Inc.	Exercise(M)	32,000	$20.00	$640,000	Direct
May 14, 2025	SNEX StoneX Group Inc.	Sale(S)	17,000	$87.92	$1,494,708	Direct
Dec 17, 2024	SNEX StoneX Group Inc.	Gift(G)	100	-	$0	Direct
Dec 16, 2024	SNEX StoneX Group Inc.	Gift(G)	500	-	$0	Direct
Dec 13, 2024	SNEX StoneX Group Inc.	Award(A)	10,430	-	$0	Direct

1-13 of 13 transactions

About Lyon Charles M

Lyon Charles M (SEC CIK 0001620576) files insider reports with the SEC as President of StoneX Group Inc. (SNEX).

Signal8 holds 7 ownership filings by Lyon Charles M, all Form 4s, filed between Dec 17, 2024 and Sep 11, 2026. Those filings report 13 transactions, from Dec 13, 2024 to Sep 10, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Lyon Charles M's filings is in WINTER PARK, FL.

Recent filings by Lyon Charles M

Sep 10, 2026: Gift of SNEX shares (Form 4, code G).
Jun 12, 2026: Open-market sale of SNEX shares (Form 4, code S).
Feb 9, 2026: Option exercise of SNEX shares (Form 4, code M).
Feb 9, 2026: Open-market sale of SNEX shares (Form 4, code S).
Dec 15, 2025: Grant or award of SNEX shares (Form 4, code A).

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