Jack J. Tobin

CIK: 0001638430

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (31.3%)

Compensation grants

Other (G, F, J, C, D, …)11 (68.8%)

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

Companies & Roles (1)

CME

CME GROUP INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (16 total)

CME
CME GROUP INC.
Sep 16, 2026
Tax Payment(F)
Direct
51 shares at avg. $272.46$14K
CME
CME GROUP INC.
Sep 15, 2026
Tax Payment(F)
Direct
47 shares at avg. $275.09$13K
CME
CME GROUP INC.
Sep 15, 2026
Tax Payment(F)
Direct
44 shares at avg. $275.09$12K
CME
CME GROUP INC.
Sep 15, 2026
Tax Payment(F)
Direct
205 shares at avg. $275.09$56K
CME
CME GROUP INC.
Sep 15, 2026
Award(A)
Direct
700 shares at avg. $275.09$193K
CME
CME GROUP INC.
Mar 15, 2026
Tax Payment(F)
Direct
179 shares at avg. $311.40$56K
CME
CME GROUP INC.
Mar 15, 2026
Award(A)
Direct
608 shares at avg. $311.40$189K
CME
CME GROUP INC.
Mar 11, 2026
Gift(G)
Direct
105 shares-
CME
CME GROUP INC.
Sep 16, 2025
Tax Payment(F)
Direct
57 shares at avg. $259.83$15K
CME
CME GROUP INC.
Sep 15, 2025
Tax Payment(F)
Direct
143 shares at avg. $258.83$37K
CME
CME GROUP INC.
Sep 15, 2025
Award(A)
Direct
1.5K shares at avg. $258.83$400K
CME
CME GROUP INC.
Mar 15, 2025
Award(A)
Direct
308 shares at avg. $258.68$80K
CME
CME GROUP INC.
Mar 15, 2025
Tax Payment(F)
Direct
91 shares at avg. $258.68$24K
CME
CME GROUP INC.
Feb 27, 2025
Gift(G)
Direct
43 shares-
CME
CME GROUP INC.
Sep 16, 2024
Award(A)
Direct
852 shares at avg. $218.53$186K
CME
CME GROUP INC.
Sep 15, 2024
Tax Payment(F)
Direct
252 shares at avg. $216.99$55K

		Type	Shares	Price		Ownership
Sep 16, 2026	CME CME GROUP INC.	Tax Payment(F)	51	$272.46	$13,895	Direct
Sep 15, 2026	CME CME GROUP INC.	Tax Payment(F)	47	$275.09	$12,929	Direct
Sep 15, 2026	CME CME GROUP INC.	Tax Payment(F)	44	$275.09	$12,104	Direct
Sep 15, 2026	CME CME GROUP INC.	Tax Payment(F)	205	$275.09	$56,393	Direct
Sep 15, 2026	CME CME GROUP INC.	Award(A)	700	$275.09	$192,563	Direct
Mar 15, 2026	CME CME GROUP INC.	Tax Payment(F)	179	$311.40	$55,741	Direct
Mar 15, 2026	CME CME GROUP INC.	Award(A)	608	$311.40	$189,331	Direct
Mar 11, 2026	CME CME GROUP INC.	Gift(G)	105	-	$0	Direct
Sep 16, 2025	CME CME GROUP INC.	Tax Payment(F)	57	$259.83	$14,810	Direct
Sep 15, 2025	CME CME GROUP INC.	Tax Payment(F)	143	$258.83	$37,013	Direct
Sep 15, 2025	CME CME GROUP INC.	Award(A)	1,546	$258.83	$400,151	Direct
Mar 15, 2025	CME CME GROUP INC.	Award(A)	308	$258.68	$79,673	Direct
Mar 15, 2025	CME CME GROUP INC.	Tax Payment(F)	91	$258.68	$23,540	Direct
Feb 27, 2025	CME CME GROUP INC.	Gift(G)	43	-	-	Direct
Sep 16, 2024	CME CME GROUP INC.	Award(A)	852	$218.53	$186,188	Direct
Sep 15, 2024	CME CME GROUP INC.	Tax Payment(F)	252	$216.99	$54,681	Direct

1-16 of 16 transactions

About Tobin Jack J

Tobin Jack J (SEC CIK 0001638430) files insider reports with the SEC as MD Chief Accounting Officer of CME GROUP INC. (CME).

Signal8 holds 7 ownership filings by Tobin Jack J, all Form 4s, filed between Sep 17, 2024 and Sep 17, 2026. Those filings report 16 transactions, from Sep 15, 2024 to Sep 16, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Tobin Jack J's filings is in CHICAGO, IL.

Recent filings by Tobin Jack J

Sep 16, 2026: Tax withholding of CME shares (Form 4, code F).
Sep 15, 2026: Tax withholdings of CME shares (3 lines, Form 4, code F).
Sep 15, 2026: Grant or award of CME shares (Form 4, code A).
Mar 15, 2026: Tax withholding of CME shares (Form 4, code F).
Mar 15, 2026: Grant or award of CME shares (Form 4, code A).

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
GEPSMAN MARTIN J, Director
SHEPARD WILLIAM R, Director

How to read Form 4 transaction codes