Vroman Ken (CIK 1429863) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-17). Recent activity: Buy CME (7,076 shares), Sell CME (3,135 shares), Sell CME (5,160 shares), Sell CME (971 shares), Buy CME (2,608 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-17 | CME GROUP INC. (CME) | Chief Transformation Officer | Buy | 7,076 | $2.2M |
| 2026-03-17 | CME GROUP INC. (CME) | Chief Transformation Officer | Sell | 3,135 | $976,239 |
| 2026-03-12 | CME GROUP INC. (CME) | Chief Transformation Officer | Sell | 5,160 | $1.6M |
| 2025-09-17 | CME GROUP INC. (CME) | Chief Transformation Officer | Sell | 971 | $251,324 |
| 2025-09-17 | CME GROUP INC. (CME) | Chief Transformation Officer | Buy | 2,608 | $675,029 |
| 2025-09-17 | CME GROUP INC. (CME) | Chief Transformation Officer | Sell | 325 | $84,445 |
| 2025-03-18 | CME GROUP INC. (CME) | Chief Transformation Officer | Buy | 3,668 | $948,838 |
| 2025-03-18 | CME GROUP INC. (CME) | Chief Transformation Officer | Sell | 1,625 | $420,355 |
| 2025-02-14 | CME GROUP INC. (CME) | Chief Transformation Officer | Sell | 5,066 | $1.3M |
Source: SEC Form 4 filings · as of 2026-03-17