MAZZARELLA KATHLEEN M (CIK 1273233) reported 9 SEC Form 4 insider transactions across 4 companies over the past 18 months (most recent 2026-06-24). Recent activity: Buy CNM (2,799 shares), Buy WM (1,314 shares), Buy CI (782 shares), Buy GRAYBAR (9,615 shares), Buy GRAYBAR (9,615 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-24 | Core & Main, Inc. (CNM) | Director | Buy | 2,799 | $0 |
| 2026-05-18 | WASTE MANAGEMENT INC (WM) | Director | Buy | 1,314 | $290,013 |
| 2026-04-24 | Cigna Group (CI) | Director | Buy | 782 | $0 |
| 2026-01-12 | GRAYBAR ELECTRIC CO INC (GRAYBAR) | Chairman, President & CEO | Buy | 9,615 | $192,300 |
| 2026-01-12 | GRAYBAR ELECTRIC CO INC (GRAYBAR) | Chairman, President & CEO | Buy | 9,615 | $192,300 |
| 2025-07-16 | WASTE MANAGEMENT INC (WM) | Director | Buy | 1,063 | $241,779 |
| 2025-06-26 | Core & Main, Inc. (CNM) | Director | Buy | 2,189 | $0 |
| 2025-04-25 | Cigna Group (CI) | Director | Buy | 638 | $0 |
| 2025-01-16 | WASTE MANAGEMENT INC (WM) | Director | Buy | 674 | $140,044 |
Source: SEC Form 4 filings · as of 2026-06-24