| May 7, 2026 | Kim Leezie | Director | A | 1,196 | $0.0000 | $0.00 |
| May 7, 2026 | Carson Molly R. | Director | A | 1,196 | $0.0000 | $0.00 |
| Feb 27, 2026 | Forsberg Justin S | SVP/Chief Financial Officer | F | 519 | $80.0200 | $41.53K |
| Feb 27, 2026 | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | F | 543 | $80.0200 | $43.45K |
| Feb 27, 2026 | Brown Justin L | President/Southwest Gas Corp. | F | 6,838 | $80.0200 | $547.18K |
| Feb 27, 2026 | Brown Justin L | President/Southwest Gas Corp. | F | 3,208 | $87.6000 | $281.02K |
| Feb 27, 2026 | Gabe Randall P. | SVP/Chief Administrative OFC | F | 2,171 | $80.0200 | $173.72K |
| Feb 27, 2026 | Timperley Amy L. | SVP/Chief Reg. & Public Aff. | F | 1,182 | $80.0200 | $94.58K |
| Feb 27, 2026 | Williams Julie M. | SVP/Cont. Improvement and Opt. | F | 3,472 | $80.0200 | $277.83K |
| Feb 27, 2026 | Haller Karen S | President and CEO | F | 13,105 | $80.0200 | $1.05M |
| Feb 22, 2026 | Brown Justin L | President/Southwest Gas Corp. | A | 8,427 | $0.0000 | $0.00 |
| Feb 19, 2026 | Ruisanchez Carlos | Director | A | 1,725 | $0.0000 | $0.00 |
| Feb 19, 2026 | Sandoval Brian E | Director | A | 1,725 | $0.0000 | $0.00 |
| Feb 19, 2026 | Thornton Leslie T | Director | A | 1,725 | $0.0000 | $0.00 |
| Feb 19, 2026 | Forsberg Justin S | SVP/Chief Financial Officer | A | 1,513 | $0.0000 | $0.00 |
| Feb 19, 2026 | Forsberg Justin S | SVP/Chief Financial Officer | A | 3,570 | $0.0000 | $0.00 |
| Feb 19, 2026 | Williams Julie M. | SVP/Cont. Improvement and Opt. | A | 8,824 | $0.0000 | $0.00 |
| Feb 19, 2026 | Williams Julie M. | SVP/Cont. Improvement and Opt. | A | 2,993 | $0.0000 | $0.00 |
| Feb 19, 2026 | Sharma Ruby | Director | A | 1,725 | $0.0000 | $0.00 |
| Feb 19, 2026 | Haller Karen S | President and CEO | A | 33,304 | $0.0000 | $0.00 |
| Feb 19, 2026 | Haller Karen S | President and CEO | A | 16,755 | $0.0000 | $0.00 |
| Feb 19, 2026 | CONLEY E RENAE | Director | A | 2,588 | $0.0000 | $0.00 |
| Feb 19, 2026 | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | 2,233 | $0.0000 | $0.00 |
| Feb 19, 2026 | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | A | 3,964 | $0.0000 | $0.00 |
| Feb 19, 2026 | Brown Justin L | President/Southwest Gas Corp. | A | 17,377 | $0.0000 | $0.00 |
| Feb 19, 2026 | Brown Justin L | President/Southwest Gas Corp. | A | 5,544 | $0.0000 | $0.00 |
| Feb 19, 2026 | MARIUCCI ANNE L | Director | A | 1,725 | $0.0000 | $0.00 |
| Feb 19, 2026 | Pineda Fabio A | VP/Controller/CAO | A | 1,213 | $0.0000 | $0.00 |
| Feb 19, 2026 | Lewis-Raymond Jane | Director | A | 1,725 | $0.0000 | $0.00 |
| Feb 19, 2026 | Timperley Amy L. | SVP/Chief Reg. & Public Aff. | A | 4,323 | $0.0000 | $0.00 |
| Feb 19, 2026 | Timperley Amy L. | SVP/Chief Reg. & Public Aff. | A | 2,823 | $0.0000 | $0.00 |
| Feb 19, 2026 | Linginfelter Henry P | Director | A | 1,725 | $0.0000 | $0.00 |
| Feb 19, 2026 | Gabe Randall P. | SVP/Chief Administrative OFC | A | 5,768 | $0.0000 | $0.00 |
| Feb 19, 2026 | Gabe Randall P. | SVP/Chief Administrative OFC | A | 2,340 | $0.0000 | $0.00 |
| Feb 19, 2026 | Evans Andrew W | Director | A | 1,725 | $0.0000 | $0.00 |
| Jan 9, 2026 | Brown Justin L | President/Southwest Gas Corp. | S | 3,028 | $81.0800 | $245.51K |
| Jan 8, 2026 | Pineda Fabio A | VP/Controller/CAO | F | 249 | $80.1500 | $19.96K |
| Jan 8, 2026 | Brown Justin L | President/Southwest Gas Corp. | F | 2,572 | $80.1500 | $206.15K |
| Jan 8, 2026 | Haller Karen S | President and CEO | F | 7,630 | $80.1500 | $611.54K |
| Jan 8, 2026 | Williams Julie M. | SVP/Cont. Improvement and Opt. | F | 1,271 | $80.1500 | $101.87K |
| Jan 8, 2026 | Timperley Amy L. | SVP/Chief Reg. & Public Aff. | F | 864 | $80.1500 | $69.25K |
| Jan 8, 2026 | Forsberg Justin S | SVP/Chief Financial Officer | F | 407 | $80.1500 | $32.62K |
| Jan 8, 2026 | Gabe Randall P. | SVP/Chief Administrative OFC | F | 1,036 | $80.1500 | $83.03K |
| Jan 8, 2026 | Mazzeo Catherine M | SVP/Chief Legal/Comp. Officer | F | 737 | $80.1500 | $59.07K |
| Nov 25, 2025 | Stefani Robert J | SVP/Chief Financial Officer | F | 4,483 | $80.4400 | $360.61K |
| Sep 25, 2025 | ICAHN CARL C | 10% Owner | S | 1,500,000 | $77.9100 | $116.86M |
| Sep 10, 2025 | Sandoval Brian E | Director | P | 24 | $78.5700 | $1.89K |
| Sep 5, 2025 | Southwest Gas Holdings, Inc. | 10% Owner | S | 27,362,210 | $19.6000 | $536.30M |
| Sep 5, 2025 | Stefani Robert J | SVP/CFO/Controller | F | 4,880 | $78.6000 | $383.57K |
| Sep 5, 2025 | Stefani Robert J | SVP/CFO/Controller | A | 12,546 | $0.0000 | $0.00 |