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buyWeak

William R Shepard bought $73k of CME

director at CME GROUP INC.. 274 shares at an average of $265.19, traded Sep 25, 2025, filed Sep 26, 2025.

Conviction score
18
Value
$73k
274 shares
Holdings after
2,466
+0% from before
From 52-week low
+29%
low $200.45, close $258.69
From 52-week high
-7%
high $277.25, as of Sep 25, 2025

Score components

  • Role
    Director
    +15
  • Trade size
    $73k at market
    +8
  • Relative to holdings
    Under 1% of holdings (0.1%)
    -5
  • Price context
    Near the top of the 52-week range
    0
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    First buy in 90 days
    0
  • Track record
    Too few past buys to judge (0 with prices)
    0

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.

This signal so far: 1m -0.3%, 3m +2.9%, 6m +11.8%.

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.

CMEOct 13, 2026 · close 278.03
Since filing Sep 26, 2025: +6.9%SPY +18.8% · excess -12.0%

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 0001628280-25-042985, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 25, 2025POpen-market purchase
Common Stock Class Aindirect: by Trust
+262$265.19$70k258,459Sep 26, 2025
Sep 25, 2025POpen-market purchase
Common Stock Class A
+12$265.22$3,0692,466Sep 26, 2025

Related signals

Other insiders at CME GROUP INC. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
19Weak
CMEbuy
CME GROUP INC.
William R Shepard
director
$79k
293 shares
+0%
34Weak
CMEsell 2
CME GROUP INC.
Elizabeth A Cook
director
$140k
500 shares
-3%
68Notable
CMEsell 2
CME GROUP INC.
Terrence A Duffy
Chairman and CEO
$4.1M
15,000 shares
-27%
41Moderate
CMEbuy
CME GROUP INC.
William R Shepard
director
$78k
339 shares
+9%
53Moderate
CMEsell 2
CME GROUP INC.
Hilda Harris Piell
Sr MD & Chief HR Officer
$1.8M
5,753 shares
-17%
68Notable
CMEsell 2
CME GROUP INC.
Terrence A Duffy
Chairman and CEO
$10M
35,000 shares
-39%
32Weak
CMEbuy
CME GROUP INC.
William R Shepard
director
$437k
1,470 shares
+1%
45Moderate
CMEsell 310b5-1
CME GROUP INC.
Jonathan L Marcus
Sr MD General Counsel
$1.0M
3,291 shares
-31%
45Moderate
CMEsell 310b5-1
CME GROUP INC.
Jonathan L Marcus
Sr MD General Counsel
$1.1M
3,291 shares
-31%
65Notable
CMEsell 3
CME GROUP INC.
Ken Vroman
Chief Transformation Officer
$1.6M
5,160 shares
-26%

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.

William R Shepard bought $73k of CME | InsiderTell