GEPSMAN MARTIN J sold $121K of CME

GEPSMAN MARTIN J sold 400 shares of CME GROUP INC. (CME) at $302.50 ($0.12M total) on 2026-10-22.

Original reporting
SEC EDGAR · GEPSMAN MARTIN J
Published Oct 22, 2026, 9:39 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 22, 2026, 9:44 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$CME
Neutral
high confidence
Mentioned
$CME
Relevance
4/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CMENeutralLow
01

Why it matters

The director's sale is modest and unlikely to move the stock, but it adds to the cumulative insider activity record.

02

Market read

A routine insider sale with limited market impact.

03

What to watch

Potential upcoming corporate actions or compensation plans not disclosed.

Relevance 4/10Novelty 4/10Timing: today

Background

SEC Form 4 filings provide the first public disclosure of insider transactions, which traders monitor for potential signals.

Company-level read

Ticker impact

$CMENeutralHigh confidence
Context

Director Martin J. Gepsman sold 400 CME shares for $121,000 via an open‑market transaction filed on Form 4.

Expected impact

likely minimal pressure as the market absorbs a routine insider sale.

Evidence & confidence

The sale size ($121k) is small relative to CME's market cap; no broader implications are evident.

Market effects

none

none

none

Counterpoint

The sale could be a routine portfolio rebalancing, not a negative signal.

Key entities

  • CME Group Inc.

    Operator of global derivatives exchanges.

  • Martin J. Gepsman

    Director of CME Group.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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