Mazzeo Catherine M has filed 12 insider transactions across 1 company since September 2024.
Most recent transaction: a tax payment of 543 shares of Southwest Gas Holdings, Inc. ($SWX) on February 27, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb. 27, 2026 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | F | Common Stock | 544 | $80.02 | 16,895.9910 | 72,405,000 | 3.12% | 0.00% |
| Feb. 19, 2026 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 2233 | $0.00 | 17,439.7280 | 72,405,000 | 14.68% | 0.00% |
| Feb. 19, 2026 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 3965 | $0.00 | 15,206.7220 | 72,405,000 | 35.27% | 0.01% |
| Jan. 8, 2026 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | F | Common Stock | 737 | $80.15 | 11,242.0670 | 72,405,000 | 6.16% | 0.00% |
| March 4, 2025 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | F | Common Stock | 254 | $70.71 | 11,607.3120 | 72,032,000 | 2.14% | 0.00% |
| Feb. 20, 2025 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 3574 | $0.00 | 10,817.8940 | 72,032,000 | 49.34% | 0.00% |
| Feb. 20, 2025 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 1044 | $0.00 | 11,861.4080 | 72,032,000 | 9.65% | 0.00% |
| Sept. 3, 2024 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 6 | $71.82 | 7,238.2190 | 70,990,000 | 0.08% | 0.00% |
| Sept. 3, 2024 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 25 | $71.82 | 7,220.3090 | 70,990,000 | 0.35% | 0.00% |
| Dec. 2, 2024 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 24 | $78.16 | 7,243.8590 | 72,086,000 | 0.33% | 0.00% |
| Dec. 2, 2024 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | Common Stock | 6 | $78.16 | 7,243.8590 | 72,086,000 | 0.08% | 0.00% |
| Jan. 13, 2025 | Southwest Gas Holdings, Inc. | $SWX | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | F | Common Stock | 408 | $71.43 | 7,183.1570 | 72,032,000 | 5.38% | 0.00% |