Durkin Bryan T (CIK 1341363) reported 3 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-29). Recent activity: Buy CME (645 shares), Sell CME (4,200 shares), Buy CME (532 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-29 | CME GROUP INC. (CME) | Director | Buy | 645 | $145,125 |
| 2026-02-23 | CME GROUP INC. (CME) | Director | Sell | 4,200 | $1.3M |
| 2025-06-26 | CME GROUP INC. (CME) | Director | Buy | 532 | $145,252 |
Source: SEC Form 4 filings · as of 2026-06-29