Kathleen M. Mazzarella
CIK: 0001273233
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (11 total)
- Jun 23, 2026CNM
Core & Main, Inc.
Award(A)Direct2.8K shares- - May 15, 2026WM
WASTE MANAGEMENT INC
Award(A)Indirect1.3K shares at avg. $220.71$290K - Apr 22, 2026CI
Cigna Group
Award(A)Direct782 shares- - Jan 9, 2026GRAYBAR
GRAYBAR ELECTRIC CO INC
Other(J)Indirect9.6K shares at avg. $20.00$192K - Jan 9, 2026GRAYBAR
GRAYBAR ELECTRIC CO INC
Other(J)Direct9.6K shares at avg. $20.00$192K - Jul 15, 2025WM
WASTE MANAGEMENT INC
Award(A)Indirect1.1K shares at avg. $227.44$242K - Jun 24, 2025CNM
Core & Main, Inc.
Award(A)Direct2.2K shares- - Apr 23, 2025CI
Cigna Group
Award(A)Direct638 shares- - Jan 15, 2025WM
WASTE MANAGEMENT INC
Award(A)Indirect674 shares at avg. $207.78$140K - Jan 10, 2025GRAYBAR
GRAYBAR ELECTRIC CO INC
Other(J)Indirect9K shares at avg. $20.00$180K - Jan 10, 2025GRAYBAR
GRAYBAR ELECTRIC CO INC
Other(J)Direct9K shares at avg. $20.00$180K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 23, 2026 |  CNM Core & Main, Inc. | Award(A) | 2,799 | - | $0 | Direct |
| May 15, 2026 |  WM WASTE MANAGEMENT INC | Award(A) | 1,314 | $220.71 | $290,013 | Indirect |
| Apr 22, 2026 |  CI Cigna Group | Award(A) | 782 | - | $0 | Direct |
| Jan 9, 2026 |  GRAYBAR GRAYBAR ELECTRIC CO INC | Other(J) | 9,615 | $20.00 | $192,300 | Indirect |
| Jan 9, 2026 | GRAYBAR GRAYBAR ELECTRIC CO INC | Other(J) | 9,615 | $20.00 | $192,300 | Direct |
| Jul 15, 2025 | WM WASTE MANAGEMENT INC | Award(A) | 1,063 | $227.44 | $241,774 | Indirect |
| Jun 24, 2025 | CNM Core & Main, Inc. | Award(A) | 2,189 | - | - | Direct |
| Apr 23, 2025 | CI Cigna Group | Award(A) | 638 | - | - | Direct |
| Jan 15, 2025 | WM WASTE MANAGEMENT INC | Award(A) | 674 | $207.78 | $140,040 | Indirect |
| Jan 10, 2025 | GRAYBAR GRAYBAR ELECTRIC CO INC | Other(J) | 8,988 | $20.00 | $179,760 | Indirect |
| Jan 10, 2025 | GRAYBAR GRAYBAR ELECTRIC CO INC | Other(J) | 8,988 | $20.00 | $179,760 | Direct |
1-11 of 11 transactions
About MAZZARELLA KATHLEEN M
MAZZARELLA KATHLEEN M (SEC CIK 0001273233) files insider reports with the SEC as Director of Core & Main, Inc. (CNM), Director of WASTE MANAGEMENT INC (WM) and Director of Cigna Group (CI). Signal8 also holds filings tied to 1 other company.
Signal8 holds 9 ownership filings by MAZZARELLA KATHLEEN M, all Form 4s, filed between Jan 14, 2025 and Jun 24, 2026. Those filings report 11 transactions, from Jan 10, 2025 to Jun 23, 2026. Signal8's Form 4 history starts in Sep 2024.
The business address on MAZZARELLA KATHLEEN M's filings is in ST. LOUIS, MO.
Recent filings by MAZZARELLA KATHLEEN M
- Jun 23, 2026: Grant or award of CNM shares (Form 4, code A).
- May 15, 2026: Grant or award of WM shares (Form 4, code A).
- Apr 22, 2026: Grant or award of CI shares (Form 4, code A).
- Jan 9, 2026: Other transactions of GRAYBAR shares (2 lines, Form 4, code J).
- Jul 15, 2025: Grant or award of WM shares (Form 4, code A).
Other insiders filing for Core & Main, Inc. (CNM)
- Witkowski Mark R, Chief Executive Officer
- Harper Carla D, Senior VP, Human Resources
- HUEBERT MICHAEL G., President
- Hope James D, Director
- Castellano James G, Director
- NEWMAN MARGARET, Director