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Who

Ken Vroman

Chief Transformation Officer

Company insider

Files Form 4 as: Chief Transformation Officer, CME Group.

Every Form 4 they filed

In numbers

Trades disclosed
85
Buys
0
Sells
6
Bought
$0
Sold
$5.5M
Companies
1
Companies where not an officer
0
First trade
16 Jun 2008
Last trade
16 Sep 2026
Last filed
17 Sep 2026

Companies traded

Where they are an officer
CME CME GroupOfficer · Exchanges & fin. data · last 16 Sep 20260 buys · 6 sells

Activity over time

1 Nov 2024 – 1 Oct 2026
10Nov 24May 25Nov 25Apr 26Oct 26

Buys above the line, sells below, each month.

Every trade

TradedCompanyWhatAmount
16 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$84K308 at $272.46filing
16 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$84K308 at $272.46filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code A$713K2,592 at $275.09filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$88K320 at $275.09filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$85K309 at $275.09filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$75K274 at $275.09filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code A$713K2,592 at $275.09filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$88K320 at $275.09filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$85K309 at $275.09filing
15 Sep 2026filed 17 Sep 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$75K274 at $275.09filing
15 Mar 2026filed 17 Mar 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code A$2.2M7,076 at $311.40filing
15 Mar 2026filed 17 Mar 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$976K3,135 at $311.40filing
15 Mar 2026filed 17 Mar 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code A$2.2M7,076 at $311.40filing
15 Mar 2026filed 17 Mar 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$976K3,135 at $311.40filing
12 Mar 2026filed 12 Mar 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Sold$1.6M5,160 at $309.00filing
12 Mar 2026filed 12 Mar 2026CME CME GroupExchanges & fin. dataSEC FORM 4 Sold$1.6M5,160 at $309.00filing
16 Sep 2025filed 17 Sep 2025CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$84K325 at $259.83filing
15 Sep 2025filed 17 Sep 2025CME CME GroupExchanges & fin. dataSEC FORM 4 Code F$251K971 at $258.83filing
15 Sep 2025filed 17 Sep 2025CME CME GroupExchanges & fin. dataSEC FORM 4 Code A$675K2,608 at $258.83filing
15 Mar 2025filed 18 Mar 2025CME CME GroupExchanges & fin. dataSEC FORM 4 Code A$949K3,668 at $258.68filing

News

No headline names them, or the companies they trade most, lately.

Sectors

Financials6

Buys in green, sells in red, by the company’s sector.

Related people

William R. ShepardDirector · Director at Cme Group, filing Form 4 there in the last year
Terrence A. DuffyChairman and CEO · Chairman and CEO at Cme Group, filing Form 4 there in the last year
Derek SammannSr MD Gl Hd Commodities Mkts · Sr MD Gl Hd Commodities Mkts at Cme Group, filing Form 4 there in the last year
Sunil CutinhoChief Information Officer · Chief Information Officer at Cme Group, filing Form 4 there in the last year
Jack J. TobinMD Chief Accounting Officer · MD Chief Accounting Officer at Cme Group, filing Form 4 there in the last year
Elizabeth A. CookDirector · Also traded CME in the last 90 days
Donald J. TrumpPresident · Also traded CME in the last 90 days