Piell Hilda Harris (CIK 1409789) reported 10 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-05-19). Recent activity: Sell CME (5,753 shares), Buy CME (7,076 shares), Sell CME (3,039 shares), Sell CME (973 shares), Sell CME (953 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-19 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Sell | 5,753 | $1.8M |
| 2026-03-17 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Buy | 7,076 | $2.2M |
| 2026-03-17 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Sell | 3,039 | $946,345 |
| 2025-11-12 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Sell | 973 | $0 |
| 2025-09-17 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Sell | 953 | $246,665 |
| 2025-09-17 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Buy | 2,608 | $675,029 |
| 2025-09-17 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Sell | 325 | $84,445 |
| 2025-03-18 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Buy | 3,451 | $892,705 |
| 2025-03-18 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Sell | 1,436 | $371,464 |
| 2025-02-28 | CME GROUP INC. (CME) | Sr MD & Chief HR Officer | Sell | 3,984 | $997,872 |
Source: SEC Form 4 filings · as of 2026-05-19