John L. Pietrzak, Director at CME GROUP INC. (CME), sold 247 shares at $308.54 ($76K) on 2009-05-27, disclosed to the SEC on 2009-05-29.
Open-market sale of $76k CME by Director. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
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