Kathleen M. Mazzarella serves as Executive at GRAYBAR ELECTRIC CO INC, where they oversee executive responsibilities. Since joining the company, Kathleen M. Mazzarella has executed 83 insider transactions totaling $0, demonstrating a balanced approach to their equity position. Their most recent transaction on Jul 15, 2025 involved receiving (via award) 1,063 shares valued at $241.8K.
Kathleen M. Mazzarella currently holds 16,962 shares of GRAYBAR ELECTRIC CO INC (N/A), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Kathleen M. Mazzarella has been a net neutral trader of N/A stock. They have purchased $0 and sold $0 worth of shares.
Kathleen M. Mazzarella's most recent insider trade was on Jul 15, 2025, when they sold 1,063 shares at $227.45 per share.
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| $215.07 |
| Discretionary |
| Jun 26, 2024 | CNM | $0 | Award | 2,449 | $N/A | Discretionary |
| Apr 24, 2024 | CI | $0 | Award | 539 | $N/A | Discretionary |
| Jan 15, 2024 | WM | $140.1K | Award | 777 | $180.29 | Discretionary |
| Jan 12, 2024 | GRAYBAR | $168.0K | Other | 8,400 | $20.00 | Discretionary |
| Jan 12, 2024 | GRAYBAR | $168.0K | Other | 8,400 | $20.00 | Discretionary |
| Jul 15, 2023 | WM | $140.0K | Award | 834 | $167.92 | Discretionary |
| Jun 28, 2023 | CNM | $0 | Award | 3,927 | $N/A | Discretionary |
| May 8, 2023 | WM | $18.8K | Award | 111 | $169.11 | Discretionary |
| Apr 26, 2023 | CI | $0 | Award | 765 | $N/A | Discretionary |
| Jan 15, 2023 | WM | $90.0K | Award | 588 | $153.06 | Discretionary |
| Jan 13, 2023 | GRAYBAR | $140.1K | Other | 7,005 | $20.00 | Discretionary |
| Jan 13, 2023 | GRAYBAR | $140.1K | Other | 7,005 | $20.00 | Discretionary |
| Jul 19, 2022 | CNM | $0 | Award | 5,393 | $N/A | Discretionary |
| Jul 15, 2022 | WM | $90.0K | Award | 593 | $151.78 | Discretionary |
| Apr 27, 2022 | CI | $0 | Award | 757 | $N/A | Discretionary |
| Feb 28, 2022 | CI | $0 | Award | 199 | $N/A | Discretionary |
| Jan 15, 2022 | WM | $82.5K | Award | 528 | $156.27 | Discretionary |
| Jan 14, 2022 | GRAYBAR | $120.1K | Other | 6,003 | $20.00 | Discretionary |
| Jan 14, 2022 | GRAYBAR | $120.1K | Other | 6,003 | $20.00 | Discretionary |
| Nov 30, 2021 | CI | $0 | Award | 247 | $N/A | Discretionary |
| Aug 31, 2021 | CI | $0 | Award | 224 | $N/A | Discretionary |
| Jul 15, 2021 | WM | $82.5K | Award | 571 | $144.48 | Discretionary |
| May 28, 2021 | CI | $0 | Award | 183 | $N/A | Discretionary |
| Feb 26, 2021 | CI | $0 | Award | 226 | $N/A | Discretionary |
| Jan 15, 2021 | GRAYBAR | $113.3K | Other | 5,664 | $20.00 | Discretionary |
| Jan 15, 2021 | GRAYBAR | $113.3K | Other | 5,664 | $20.00 | Discretionary |
| Jan 15, 2021 | WM | $82.5K | Award | 719 | $114.80 | Discretionary |
| Nov 30, 2020 | CI | $0 | Award | 227 | $N/A | Discretionary |