Cook Elizabeth A sold $140K of CME (indirect holdings)
Cook Elizabeth A sold 500 indirectly-held shares of CME GROUP INC. (CME) at $280.11 ($0.14M total) on 2026-09-14.
How this was made
The 30-second read
Why it matters
The disclosed sale is small relative to CME's market cap, suggesting limited immediate price impact.
Market read
A routine insider sale with modest size; likely low trading relevance.
What to watch
Potential upcoming corporate actions or compensation plans not disclosed yet.
Background
SEC Form 4 filings disclose insider transactions; directors' sales are monitored by investors.
Ticker impact
Director Elizabeth A. Cook sold 500 shares of CME Group for $140,055 on 2026-09-14, reducing her stake to 17,916 shares.
Small downward bias in short-term price, limited to a few basis points.
Sale size is modest relative to market cap; director insider sales can signal personal liquidity needs but not necessarily company issues.
Market effects
Minimal impact on financial services sector; typical insider sell.
U.S. market only; no broader regional effect.
Low global relevance.
Counterpoint
The sale may be routine and not indicative of negative outlook; price could remain stable.
Key entities
- CompanyCME Group Inc.
Leading derivatives exchange operator.
- IndividualElizabeth A. Cook
Director of CME Group.



