Quick Takeaways
- Elizabeth A. Cook has 1 issuer position tracked on this page.
- Estimated disclosed ownership value: $5,691,247.
- Recent insider filing activity is available below.
- Info
- Insider Ownership
Insider Trading & Ownership of Elizabeth A. Cook
- Location
- Chicago, IL
- Summary
- The estimated net worth of Elizabeth A. Cook is at least $5,691,247 dollars as of 09 Mar 2026. Elizabeth A. Cook is the Director of CME GROUP INC. and owns shares of CME GROUP INC. (CME) stock worth about $5.69M.
- Signature
- By: Margaret Austin Wright For: Elizabeth A. Cook
- All Insider Reports
- All Insider Reports
Follow Filing Activity
Follow Elizabeth A. Cook and return when a new Insider Trading filing changes the record on this page.
This uses the existing product follow flow to surface future filing-backed changes without guessing what they mean.
What Changed
- Largest disclosed position: CME GROUP INC. ($5,691,247).
- Past-year value change for that position: -$320,000.
Why This Matters
- This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
- You can cross-check role, issuer, and filing chronology directly against the SEC source.
Source Evidence
Filed on Form 4
See Original Filing
Insider ownership context is sourced from SEC Forms 3, 4, and 5.
Ownership of Elizabeth A. Cook
| Symbol | Company | Relationship | Holdings Value | Past Year Net Change | Change % | Report Period |
|---|---|---|---|---|---|---|
| CME | CME GROUP INC. | Director | $5,691,247 | -$320,000 | -5.3% | 06 Mar 2026 |
Insider Transactions Reported by Elizabeth A. Cook:
| Sym | Company | Class | Transaction | % | Value $ | * Price $ | Shares | Shares After | Date | Ownership |
|---|
* An asterisk sign (*) next to the price indicates that the price is likely invalid.