| Mon, 28 Sep 2026 | Williams Julie M. | officer: SVP/Cont. Improvement and Opt. | S-Sale | 2,500 | $204.52K |
| Thu, 7 May 2026 | Kim Leezie | director | A-Award | 1,196 | $0 |
| Thu, 7 May 2026 | Carson Molly R. | director | A-Award | 1,196 | $0 |
| Fri, 27 Feb 2026 | Forsberg Justin S | officer: SVP/Chief Financial Officer | F-InKind | 520 | $41.6K |
| Fri, 27 Feb 2026 | Gabe Randall P. | officer: SVP/Chief Administrative OFC | F-InKind | 2,172 | $173.79K |
| Fri, 27 Feb 2026 | Brown Justin L | officer: President/Southwest Gas Corp. | F-InKind | 6,838 | $547.19K |
| Fri, 27 Feb 2026 | Brown Justin L | officer: President/Southwest Gas Corp. | F-InKind | 3,209 | $281.09K |
| Fri, 27 Feb 2026 | Mazzeo Catherine M | officer: SVP/Chief Legal/Comp. Officer | F-InKind | 544 | $43.51K |
| Fri, 27 Feb 2026 | Williams Julie M. | officer: SVP/Cont. Improvement and Opt. | F-InKind | 3,473 | $277.88K |
| Fri, 27 Feb 2026 | Timperley Amy L. | officer: SVP/Chief Reg. & Public Aff. | F-InKind | 1,182 | $94.61K |
| Fri, 27 Feb 2026 | Haller Karen S | officer: President and CEO | F-InKind | 13,105 | $1.05M |
| Sun, 22 Feb 2026 | Brown Justin L | officer: President/Southwest Gas Corp. | A-Award | 8,427 | $0 |
| Thu, 19 Feb 2026 | Ruisanchez Carlos | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Sandoval Brian E | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Williams Julie M. | officer: SVP/Cont. Improvement and Opt. | A-Award | 8,825 | $0 |
| Thu, 19 Feb 2026 | Williams Julie M. | officer: SVP/Cont. Improvement and Opt. | A-Award | 2,994 | $0 |
| Thu, 19 Feb 2026 | Thornton Leslie T | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Sharma Ruby | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Mazzeo Catherine M | officer: SVP/Chief Legal/Comp. Officer | A-Award | 3,965 | $0 |
| Thu, 19 Feb 2026 | Mazzeo Catherine M | officer: SVP/Chief Legal/Comp. Officer | A-Award | 2,233 | $0 |
| Thu, 19 Feb 2026 | Forsberg Justin S | officer: SVP/Chief Financial Officer | A-Award | 1,514 | $0 |
| Thu, 19 Feb 2026 | Forsberg Justin S | officer: SVP/Chief Financial Officer | A-Award | 3,570 | $0 |
| Thu, 19 Feb 2026 | Haller Karen S | officer: President and CEO | A-Award | 16,756 | $0 |
| Thu, 19 Feb 2026 | Haller Karen S | officer: President and CEO | A-Award | 33,304 | $0 |
| Thu, 19 Feb 2026 | CONLEY E RENAE | director | A-Award | 2,588 | $0 |
| Thu, 19 Feb 2026 | Brown Justin L | officer: President/Southwest Gas Corp. | A-Award | 17,378 | $0 |
| Thu, 19 Feb 2026 | Brown Justin L | officer: President/Southwest Gas Corp. | A-Award | 5,544 | $0 |
| Thu, 19 Feb 2026 | MARIUCCI ANNE L | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Pineda Fabio A | officer: VP/Controller/CAO | A-Award | 1,214 | $0 |
| Thu, 19 Feb 2026 | Linginfelter Henry P | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Timperley Amy L. | officer: SVP/Chief Reg. & Public Aff. | A-Award | 4,323 | $0 |
| Thu, 19 Feb 2026 | Timperley Amy L. | officer: SVP/Chief Reg. & Public Aff. | A-Award | 2,824 | $0 |
| Thu, 19 Feb 2026 | Lewis-Raymond Jane | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Evans Andrew W | director | A-Award | 1,726 | $0 |
| Thu, 19 Feb 2026 | Gabe Randall P. | officer: SVP/Chief Administrative OFC | A-Award | 2,340 | $0 |
| Thu, 19 Feb 2026 | Gabe Randall P. | officer: SVP/Chief Administrative OFC | A-Award | 5,769 | $0 |
| Fri, 9 Jan 2026 | Brown Justin L | officer: President/Southwest Gas Corp. | S-Sale | 3,028 | $245.51K |
| Thu, 8 Jan 2026 | Brown Justin L | officer: President/Southwest Gas Corp. | F-InKind | 2,573 | $206.19K |
| Thu, 8 Jan 2026 | Haller Karen S | officer: President and CEO | F-InKind | 7,631 | $611.59K |
| Thu, 8 Jan 2026 | Pineda Fabio A | officer: VP/Controller/CAO | F-InKind | 250 | $20.03K |
| Thu, 8 Jan 2026 | Williams Julie M. | officer: SVP/Cont. Improvement and Opt. | F-InKind | 1,271 | $101.91K |
| Thu, 8 Jan 2026 | Timperley Amy L. | officer: SVP/Chief Reg. & Public Aff. | F-InKind | 864 | $69.26K |
| Thu, 8 Jan 2026 | Mazzeo Catherine M | officer: SVP/Chief Legal/Comp. Officer | F-InKind | 737 | $59.1K |
| Thu, 8 Jan 2026 | Forsberg Justin S | officer: SVP/Chief Financial Officer | F-InKind | 408 | $32.69K |
| Thu, 8 Jan 2026 | Gabe Randall P. | officer: SVP/Chief Administrative OFC | F-InKind | 1,037 | $83.08K |
| Tue, 25 Nov 2025 | Stefani Robert J | officer: SVP/Chief Financial Officer | F-InKind | 4,484 | $360.69K |
