Insiders / Mazzarella Kathleen M
Mazzarella Kathleen M
CIK 1273233personinsider
Companies
4
First seen
Jan 12, 2026
Last activity
Jun 24, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Graybar Electric Co Inc · GRAYBAR | 288,350 | — |
| Waste Management Inc · WM | 18,276 | — |
| Core & Main, Inc. · CNM | 16,757 | — |
| Cigna Group · CI | 6,891 | — |
All securities held
5 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Cigna Group | Common Stock, $.01 Par Value | 6,891 |
| Core & Main, Inc. | Class A Common Stock | 16,757 |
| Graybar Electric Co Inc | Common stock par value $1/share | 144,175 |
| Graybar Electric Co Inc | Voting Trust Interests evidencing common stock | 144,175 |
| Waste Management Inc | Common Stock | 18,276 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| May 15, 2026 | Grant | WM Waste Management Inc Common Stock | $290.0K | +1K +7.75% | 18,276 <0.01% of shares | low |
| Jan 9, 2026 | Other | GRAYBAR Graybar Electric Co Inc Voting Trust Interests evidencing common stock | $192.3K | +10K +7.15% | 144,175 0.44% of shares | low |
| Jan 9, 2026 | Other | GRAYBAR Graybar Electric Co Inc Common stock par value $1/share | $192.3K | +10K +7.15% | 144,175 0.44% of shares | low |
| Jun 23, 2026 | Grant | CNM Core & Main, Inc. Class A Common Stock | $0 | +3K +20.05% | 16,757 <0.01% of shares | low |
| Apr 22, 2026 | Grant | CI Cigna Group Common Stock, $.01 Par Value | $0 | +782 +12.80% | 6,891 <0.01% of shares | low |