Ken Vroman

CIK: 0001429863

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)2 (12.5%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)5 (31.3%)

Compensation grants

Other (G, F, J, C, D, …)9 (56.3%)

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
308 shares at avg. $272.46$84K
CME
CME GROUP INC.
Sep 15, 2026
Tax Payment(F)
Direct
274 shares at avg. $275.09$75K
CME
CME GROUP INC.
Sep 15, 2026
Award(A)
Direct
2.6K shares at avg. $275.09$713K
CME
CME GROUP INC.
Sep 15, 2026
Tax Payment(F)
Direct
320 shares at avg. $275.09$88K
CME
CME GROUP INC.
Sep 15, 2026
Tax Payment(F)
Direct
309 shares at avg. $275.09$85K
CME
CME GROUP INC.
Mar 15, 2026
Award(A)
Direct
7.1K shares at avg. $311.40$2.2M
CME
CME GROUP INC.
Mar 15, 2026
Tax Payment(F)
Direct
3.1K shares at avg. $311.40$976K
CME
CME GROUP INC.
Mar 12, 2026
Sale(S)
Direct
5.2K shares at avg. $309.00$1.6M
CME
CME GROUP INC.
Sep 16, 2025
Tax Payment(F)
Direct
325 shares at avg. $259.83$84K
CME
CME GROUP INC.
Sep 15, 2025
Award(A)
Direct
2.6K shares at avg. $258.83$675K
CME
CME GROUP INC.
Sep 15, 2025
Tax Payment(F)
Direct
971 shares at avg. $258.83$251K
CME
CME GROUP INC.
Mar 15, 2025
Award(A)
Direct
3.7K shares at avg. $258.68$949K
CME
CME GROUP INC.
Mar 15, 2025
Tax Payment(F)
Direct
1.6K shares at avg. $258.68$420K
CME
CME GROUP INC.
Feb 13, 2025
Sale(S)
Direct
5.1K shares at avg. $250.00$1.3M
CME
CME GROUP INC.
Sep 16, 2024
Award(A)
Direct
3.1K shares at avg. $218.53$675K
CME
CME GROUP INC.
Sep 15, 2024
Tax Payment(F)
Direct
1.3K shares at avg. $216.99$280K

		Type	Shares	Price		Ownership
Sep 16, 2026	CME CME GROUP INC.	Tax Payment(F)	308	$272.46	$83,918	Direct
Sep 15, 2026	CME CME GROUP INC.	Tax Payment(F)	274	$275.09	$75,375	Direct
Sep 15, 2026	CME CME GROUP INC.	Award(A)	2,592	$275.09	$713,033	Direct
Sep 15, 2026	CME CME GROUP INC.	Tax Payment(F)	320	$275.09	$88,029	Direct
Sep 15, 2026	CME CME GROUP INC.	Tax Payment(F)	309	$275.09	$85,003	Direct
Mar 15, 2026	CME CME GROUP INC.	Award(A)	7,076	$311.40	$2,203,466	Direct
Mar 15, 2026	CME CME GROUP INC.	Tax Payment(F)	3,135	$311.40	$976,239	Direct
Mar 12, 2026	CME CME GROUP INC.	Sale(S)	5,160	$309.00	$1,594,440	Direct
Sep 16, 2025	CME CME GROUP INC.	Tax Payment(F)	325	$259.83	$84,445	Direct
Sep 15, 2025	CME CME GROUP INC.	Award(A)	2,608	$258.83	$675,029	Direct
Sep 15, 2025	CME CME GROUP INC.	Tax Payment(F)	971	$258.83	$251,324	Direct
Mar 15, 2025	CME CME GROUP INC.	Award(A)	3,668	$258.68	$948,838	Direct
Mar 15, 2025	CME CME GROUP INC.	Tax Payment(F)	1,625	$258.68	$420,355	Direct
Feb 13, 2025	CME CME GROUP INC.	Sale(S)	5,066	$250.00	$1,266,500	Direct
Sep 16, 2024	CME CME GROUP INC.	Award(A)	3,088	$218.53	$674,821	Direct
Sep 15, 2024	CME CME GROUP INC.	Tax Payment(F)	1,292	$216.99	$280,351	Direct

1-16 of 16 transactions

About Vroman Ken

Vroman Ken (SEC CIK 0001429863) files insider reports with the SEC as Chief Transformation Officer of CME GROUP INC. (CME).

Signal8 holds 7 ownership filings by Vroman Ken, 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 Vroman Ken's filings is in CHICAGO, IL.

Recent filings by Vroman Ken

Sep 16, 2026: Tax withholding of CME shares (Form 4, code F).
Sep 15, 2026: Tax withholding of CME shares (Form 4, code F).
Sep 15, 2026: Grant or award of CME shares (Form 4, code A).
Sep 15, 2026: Tax withholdings of CME shares (2 lines, 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