Updated Jul 16, 2026
Mazzeo Catherine M is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.

Catherine M. Mazzeo is a corporate executive currently serving as the Senior Vice President and Chief Legal and Compliance Officer at Southwest Gas Holdings, Inc. She has extensive experience in legal and compliance matters within the utility sector.
| Role | SVP/Chief Legal/Comp. Officer |
|---|---|
| Notability | 60/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-04 | SWX | Southwest Gas Holdings, Inc. | F — Tax withholding / forfeiture | 544 | $80.02 | $44K |
| 2026-02-24 | SWX | Southwest Gas Holdings, Inc. | A — Grant or award | 2.2K | $0.00 | |
| 2026-02-24 | SWX | Southwest Gas Holdings, Inc. | A — Grant or award | 4.0K | $0.00 |
Catherine M. Mazzeo is a corporate executive currently serving as the Senior Vice President and Chief Legal and Compliance Officer at Southwest Gas Holdings, Inc. She has extensive experience in legal and compliance matters within the utility sector.…
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