Insider trade

Officer sold ~$1.59M of CME shares in the open market

Traded Mar 12, 2026 · Filed Mar 12, 2026

CME GroupCME

~$1.59M
Reported value · 5,160 sh @ $309.00: 15K
Holds after · shares reported: -14.8%
stock since the trade · S&P 500 +14.7%, $311.19 → $265.10 on Oct 1

Why it stands out

CME Group's Chief Transformation Officer sold $1.59M of CME Group shares. Nobody planned it ahead of time.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Mar 12, 2026
Reporting period: Not applicable
Filed with the SEC: Mar 12, 2026

Officer$1M+

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$1,594,440

Shares × reported transaction price

Timing vs results

36 days after results of Feb 4, 2026, 41 days before results of Apr 22, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $311.19 on Mar 12, 2026, within 5% of its 52-week high, after a 9% rise over the previous 30 trading days

52-week range $252.37 (Apr 7, 2025) to $326.46 (Mar 2, 2026), 79% of the way up, from 251 adjusted closes. 30 trading days earlier: $286.05 on Jan 28, 2026. Describes the past only, not a forecast

Planned / mechanical clue

None found in footnotes

Only flagged when a footnote says so; never inferred

Securities lawsuit open at the trade date

A securities lawsuit naming the company as a defendant was filed on Jun 14, 2024 in the U.S. District Court, S.D. New York. A filing is an allegation, not a finding.

Global Carbon Opportunity (Cayman) Fund Ltd. v. CME Group Inc., docket 1:24-cv-04562, via CourtListener (court records). Nature of suit 850, company named as first defendant

After it was reported

After	Stock	S&P 500	Difference
7 days	-1.3%	-2.1%	+0.8%
30 days	-3.5%	+3.6%	-7.1%
90 days	-15.8%	+11.4%	-27.2%
180 days	-11.8%	+15.1%	-26.9%

Past results only. Not a forecast.

Source receipt

Record ID: 0001628280-26-017392
Filed / recorded: Mar 12, 2026, 9:46 PM UTC
Added to OQRO: Oct 2, 2026, 12:27 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: CME GROUP INC.
Issuer CIK: 1156375
Ticker: CME
Reporting person: Ken Vroman
Relationship: Officer
Officer title: Chief Transformation Officer
Security: Common Stock Class A
Table: Non-derivative (Table I)
Transaction date: Mar 12, 2026
Transaction code: S
Shares / units: 5,160
Price per share: $309.00
Acquired / disposed: Disposed (D)
Shares owned after: 14,910
Ownership form: Direct
Amendment: No

Footnotes from the filing

On March 12, 2026, Mr. Vroman sold an aggregate of 5160 shares of CME Group Class A common stock. For reporting purposes, the sale prices within $1 range have been aggregated and the weighted average has been reported. The price range was $308.969 to $309.11. The Company maintains a record of the transaction and copies will be provided upon request.