Martin J. Gepsman

CIK: 0001212813

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)4 (66.7%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)2 (33.3%)

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)

CME

CME GROUP INC.

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

CME
CME GROUP INC.
Oct 22, 2026
Sale(S)
Direct
400 shares at avg. $302.50$121K
CME
CME GROUP INC.
Jun 25, 2026
Award(A)
Direct
645 shares at avg. $225.00$145K
CME
CME GROUP INC.
Feb 20, 2026
Sale(S)
Direct
300 shares at avg. $305.90$92K
CME
CME GROUP INC.
Jun 25, 2025
Award(A)
Direct
532 shares at avg. $273.03$145K
CME
CME GROUP INC.
May 15, 2025
Sale(S)
Direct
300 shares at avg. $273.17$82K
CME
CME GROUP INC.
Nov 4, 2024
Sale(S)
Direct
400 shares at avg. $222.92$89K

		Type	Shares	Price		Ownership
Oct 22, 2026	CME CME GROUP INC.	Sale(S)	400	$302.50	$121,000	Direct
Jun 25, 2026	CME CME GROUP INC.	Award(A)	645	$225.00	$145,125	Direct
Feb 20, 2026	CME CME GROUP INC.	Sale(S)	300	$305.90	$91,770	Direct
Jun 25, 2025	CME CME GROUP INC.	Award(A)	532	$273.03	$145,252	Direct
May 15, 2025	CME CME GROUP INC.	Sale(S)	300	$273.17	$81,951	Direct
Nov 4, 2024	CME CME GROUP INC.	Sale(S)	400	$222.92	$89,168	Direct

1-6 of 6 transactions

About GEPSMAN MARTIN J

GEPSMAN MARTIN J (SEC CIK 0001212813) files insider reports with the SEC as Director of CME GROUP INC. (CME).

Signal8 holds 6 ownership filings by GEPSMAN MARTIN J, all Form 4s, filed between Nov 4, 2024 and Oct 22, 2026. Those filings report 6 transactions, from Nov 4, 2024 to Oct 22, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on GEPSMAN MARTIN J's filings is in CHICAGO, IL.

Recent filings by GEPSMAN MARTIN J

Oct 22, 2026: Open-market sale of CME shares (Form 4, code S).
Jun 25, 2026: Grant or award of CME shares (Form 4, code A).
Feb 20, 2026: Open-market sale of CME shares (Form 4, code S).
Jun 25, 2025: Grant or award of CME shares (Form 4, code A).
May 15, 2025: Open-market sale of CME shares (Form 4, code S).

Other insiders filing for CME GROUP INC. (CME)

SIEGEL HOWARD J, Director
Winkler Julie, Sr MD Chief Commercial Officer
Render Matthew V, MD, Chief Accounting Officer
Cutinho Sunil, Chief Information Officer
SHEPARD WILLIAM R, Director
Vroman Ken, Chief Transformation Officer

How to read Form 4 transaction codes