Transaction · 0001212852-26-000005

SHEPARD WILLIAM R

SHEPARD WILLIAM R, DIR, reported an open-market or private purchase at CME GROUP INC. involving 292.550000 shares for an estimated $78625.74. Reported holdings after the transaction were 263288.642000 shares. A 10b5-1 reference was not detected in the stored filing text.

Open-market buySEC transaction code PDIR
CMECME GROUP INC.
Filing timeSep 28
Trade dateSep 25, 2026
Filing · SECView on SEC
InsiderProfile
% of reported position traded0.11%Shares purchased ÷ (holdings after − shares purchased). Estimated position before: 262,996.092 shares.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

Price performance since filing

Close on the filing date, the pre-filing context, and the forward return at standard windows
Price at filing
$263.24
Pre-filing
1mo ago +5.6%1w ago +4.9%1d ago +2.2%
Returns since
7d30d90d180d1y

CME price since this filing

30 days of pre-filing context and vertical markers at the filing date plus 7d / 30d / 90d / 180d / 1y afterwards
CME since 2026-09-28Filed today · pre-filing context shaded
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Filing datePost-filing windows (7d, 30d, 90d, 180d, 1y)30 days of pre-filing context

Transaction facts

Stored Form 4 columns with their raw values

Non-derivative
Type
Buy
Code P
Identifier
0001212852-26-000005
Common Stock Class A
Transaction date
Sep 25, 2026
Filed Sep 28, 2026, 08:15 PM · 3d delay
Shares
293 sh
$268.76 per share
Estimated value
$78.6k
Computed from shares × price
Holdings after
263k sh
Indirect · by Trust

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Director Buy
+18score
Filing-only score

+18

Compact filing score computed from stored Form 4 facts. Version v1.

Positive filing signal

This filing has a modest positive filing-only score. Treat it as a useful flag for review, not as a buy signal.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector Yes10% NoOther No
Footnotes & amended
  1. F1

    Reflects a change in the form of beneficial ownership from direct to indirect ownership via transfer to the Reporting Person's revocable living trust. This transaction is exempt from Section 16 pursua…

  2. F2

    Represents shares acquired pursuant to a broker-administered dividend reinvestment plan.

Original filing · 0001212852-26-000005
Related transactions

0 other filings

Same reporting owner
Recent company activity

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