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CME Group Director Martin J. Gepsman Sells $121K in Common Stock

Low SignificanceOctober 22, 2026 at 6:07:29 PM EDT

CME GROUP INC.

$CME4CIK: 0001156375

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Filing Summary

=== SEC FORM 4 INSIDER TRANSACTION ===
Issuer: CME GROUP INC. (CME)
Insider: Martin J. Gepsman (Director)
Transaction: Open Market Sale (Code S)
Shares: 400 @ $302.50
Total Value: $121,000.00
Remaining Ownership: 25,244 shares
Significance: Low

Comprehensive Analysis

Insider Transaction Overview

On October 22, 2026, Martin J. Gepsman, Director at CME GROUP INC. ($CME), reported an open-market sale of 400 shares of Class A Common Stock at a price of $302.50 per share, totaling $121,000.00.

Key Metrics

  • Insider: Martin J. Gepsman (Director)
  • Security: Common Stock Class A
  • Transaction Type: Sale (Code S)
  • Shares Sold: 400
  • Execution Price: $302.50
  • Gross Proceeds: $121,000.00
  • Post-Transaction Holdings: 25,244 shares (Direct)
  • Ownership Reduction: ~1.56%
  • Rule 10b5-1 Plan: Not indicated (aff10b5One = 0)

Market & Trading Context

The transaction reflects a minor disposition representing approximately 1.56% of Director Gepsman's reported direct equity stake. Due to the modest total dollar value relative to CME's market capitalization and the insider's substantial remaining position of 25,244 shares, this filing carries Low trading significance.

Topics:#CME#InsiderTrading#Form4#CMEGroup#SEC

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