William R Shepard bought $79k of CME
director at CME GROUP INC.. 293 shares at an average of $268.76, traded Sep 25, 2026, filed Sep 28, 2026.
Score components
- +15RoleDirector
- +9Trade size$79k at market
- -5Relative to holdingsUnder 1% of holdings (0.1%)
- 0Price contextNo price history yet
- 0ClusterNo other insider buying within 14 days
- 0Repeat buyingFirst buy in 90 days
- 0Track recordToo few past buys to judge (0 with prices)
What happened after comparable buys
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001212852-26-000005, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Aug 18, 2026 | JOther Common Stock Class A | -2,554 | $0.00 | $0 | 1,067 | 13 d ago |
| Aug 18, 2026 | JOther Common Stock Class Aindirect: by Trust | +2,554 | $0.00 | $0 | 262,996 | 13 d ago |
| Sep 25, 2026 | POpen-market purchase Common Stock Class Aindirect: by Trust | +293 | $268.76 | $79k | 263,289 | 13 d ago |
Related signals
Other insiders at CME GROUP INC. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 34Weak | CME GROUP INC. | Elizabeth A Cook director | $140k 500 shares | -3% | |
| 68Notable | CME GROUP INC. | Terrence A Duffy Chairman and CEO | $4.1M 15,000 shares | -27% | |
| 23Weak | CMEbuy CME GROUP INC. | William R Shepard director | $72k 274 shares | +0% | |
| 56Moderate | CME GROUP INC. | Deborah J Lucas director | $385k 1,500 shares | -31% | |
| 65Notable | CME GROUP INC. | Howard J Siegel director | $2.6M 10,000 shares | -31% | |
| 75Notable | CME GROUP INC. | Terrence A Duffy Chairman and CEO | $7.8M 30,000 shares | -36% | |
| 56Moderate | CME GROUP INC. | Suzanne Sprague COO & Global Head of Clearing | $385k 1,500 shares | -16% | |
| 60Notable | CME GROUP INC. | Hilda Harris Piell Sr MD & Chief HR Officer | $998k 3,984 shares | -13% | |
| 65Notable | CME GROUP INC. | Julie Winkler Sr MD Chief Commercial Officer | $2.9M 11,592 shares | -35% | |
| 60Notable | CME GROUP INC. | Ken Vroman Chief Transformation Officer | $1.3M 5,066 shares | -23% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.