Insider · CIK 0001475318
Derek Sammann
officer
Files at CME (CME GROUP INC.). First filing May 7, 2025, latest Nov 21, 2025.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 2
$0 bought, $3.3M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
CME: CME GROUP INC.
CMEOct 9, 2026 · close 280.56
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 50Moderate | CMEsell CME GROUP INC. | $2.0M 7,200 shares | -43% | +27% from low-4% from high | |
| 65Notable | CME GROUP INC. | $1.3M 4,650 shares | -28% | +37% from low0% from high |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| May 25, 2026 | CME CME GROUP INC. | JOther Common Stock Class A | -4,629 | $0.00 | $0 | 8,683 | 25 d ago |
| May 25, 2026 | CME CME GROUP INC. | JOther Common Stock Class Aindirect: by Trust | +4,629 | $0.00 | $0 | 15,657 | 25 d ago |
| Sep 15, 2026 | CME CME GROUP INC. | AGrant or award Common Stock Class A | +2,864 | $275.09 | $788k | 11,547 | 25 d ago |
| Sep 15, 2026 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -373 | $275.09 | $103k | 11,174 | 25 d ago |
| Sep 15, 2026 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -361 | $275.09 | $99k | 10,813 | 25 d ago |
| Sep 15, 2026 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -320 | $275.09 | $88k | 10,493 | 25 d ago |
| Sep 16, 2026 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -359 | $272.46 | $98k | 10,134 | 25 d ago |
| Nov 6, 2025 | CME CME GROUP INC. | JOther Common Stock Class A | -2,300 | $0.00 | $0 | 8,683 | Nov 21, 2025 |
| Nov 6, 2025 | CME CME GROUP INC. | JOther Common Stock Class Aindirect: by Trust | +2,300 | $0.00 | $0 | 16,914 | Nov 21, 2025 |
| Nov 20, 2025 | CME CME GROUP INC. | SOpen-market sale Common Stock Class Aindirect: by Trust | -5,886 | $275.65 | $1.6M | 11,028 | Nov 21, 2025 |
| Nov 20, 2025 | CME CME GROUP INC. | SOpen-market sale Common Stock Class Aindirect: by Spouse | -1,314 | $275.74 | $362k | 7,022 | Nov 21, 2025 |
| Sep 15, 2025 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -1,099 | $258.83 | $284k | 8,318 | Sep 17, 2025 |
| Sep 15, 2025 | CME CME GROUP INC. | AGrant or award Common Stock Class A | +3,044 | $258.83 | $788k | 11,362 | Sep 17, 2025 |
| Sep 16, 2025 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -379 | $259.83 | $98k | 10,983 | Sep 17, 2025 |
| Mar 18, 2025 | CME CME GROUP INC. | JOther Common Stock Class A | -2,175 | $0.00 | $0 | 9,417 | May 7, 2025 |
| Mar 15, 2025 | CME CME GROUP INC. | AGrant or award Common Stock Class A | +3,883 | $258.68 | $1.0M | 13,300 | May 7, 2025 |
| Mar 18, 2025 | CME CME GROUP INC. | JOther Common Stock Class Aindirect: by Trust | +2,175 | $0.00 | $0 | 16,789 | May 7, 2025 |
| Mar 15, 2025 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -1,708 | $258.68 | $442k | 11,592 | May 7, 2025 |
| May 5, 2025 | CME CME GROUP INC. | SOpen-market sale Common Stock Class Aindirect: by Trust | -2,175 | $280.63 | $610k | 14,614 | May 7, 2025 |
| May 5, 2025 | CME CME GROUP INC. | SOpen-market sale Common Stock Class Aindirect: by Spouse | -2,475 | $280.60 | $694k | 8,336 | May 7, 2025 |
| Mar 15, 2025 | CME CME GROUP INC. | AGrant or award Common Stock Class A | +3,883 | $258.68 | $1.0M | 15,675 | Mar 18, 2025 |
| Mar 15, 2025 | CME CME GROUP INC. | FTax withholding Common Stock Class A | -1,708 | $258.68 | $442k | 13,967 | Mar 18, 2025 |
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.