| 2026-08-05 | 8-K | 8-K filed 2026-08-05 by Southwest Gas Holdings, Inc. |
| 2026-08-05 | 10-Q | 10-Q filed 2026-08-05 by Southwest Gas Holdings, Inc. |
| 2026-05-11 | 8-K | 8-K filed 2026-05-11 by Southwest Gas Holdings, Inc. |
| 2026-05-05 | 10-Q | 10-Q filed 2026-05-05 by Southwest Gas Holdings, Inc. |
| 2026-05-05 | 8-K | 8-K filed 2026-05-05 by Southwest Gas Holdings, Inc. |
| 2026-03-23 | DEF 14A | DEF 14A filed 2026-03-23 by Southwest Gas Holdings, Inc. |
| 2026-02-25 | 8-K | 8-K filed 2026-02-25 by Southwest Gas Holdings, Inc. |
| 2026-02-25 | 10-K | 10-K filed 2026-02-25 by Southwest Gas Holdings, Inc. |
| 2026-02-25 | 8-K | 8-K filed 2026-02-25 by Southwest Gas Holdings, Inc. |
| 2026-02-12 | 8-K | 8-K filed 2026-02-12 by Southwest Gas Holdings, Inc. |
| 2026-02-11 | 8-K | 8-K filed 2026-02-11 by Southwest Gas Holdings, Inc. |
| 2026-01-09 | 8-K | 8-K filed 2026-01-09 by Southwest Gas Holdings, Inc. |
| 2026-01-02 | 8-K | 8-K filed 2026-01-02 by Southwest Gas Holdings, Inc. |
| 2025-11-26 | 8-K | 8-K filed 2025-11-26 by Southwest Gas Holdings, Inc. |
| 2025-11-05 | 8-K | 8-K filed 2025-11-05 by Southwest Gas Holdings, Inc. |
| 2025-11-05 | 10-Q | 10-Q filed 2025-11-05 by Southwest Gas Holdings, Inc. |
| 2025-11-05 | 8-K | 8-K filed 2025-11-05 by Southwest Gas Holdings, Inc. |
| 2025-10-14 | 8-K | 8-K filed 2025-10-14 by Southwest Gas Holdings, Inc. |
| 2025-09-05 | 8-K | 8-K filed 2025-09-05 by Southwest Gas Holdings, Inc. |
| 2025-08-15 | 8-K/A | 8-K/A filed 2025-08-15 by Southwest Gas Holdings, Inc. |
| 2025-08-12 | 8-K | 8-K filed 2025-08-12 by Southwest Gas Holdings, Inc. |
| 2025-08-06 | 8-K | 8-K filed 2025-08-06 by Southwest Gas Holdings, Inc. |
| 2025-08-06 | 10-Q | 10-Q filed 2025-08-06 by Southwest Gas Holdings, Inc. |
| 2025-07-09 | 8-K | 8-K filed 2025-07-09 by Southwest Gas Holdings, Inc. |
| 2025-07-08 | 8-K | 8-K filed 2025-07-08 by Southwest Gas Holdings, Inc. |
| 2025-07-02 | 8-K | 8-K filed 2025-07-02 by Southwest Gas Holdings, Inc. |
| 2025-07-02 | 8-K | 8-K filed 2025-07-02 by Southwest Gas Holdings, Inc. |
| 2025-06-18 | 8-K | 8-K filed 2025-06-18 by Southwest Gas Holdings, Inc. |
| 2025-06-06 | 8-K | 8-K filed 2025-06-06 by Southwest Gas Holdings, Inc. |
| 2025-06-03 | 8-K | 8-K filed 2025-06-03 by Southwest Gas Holdings, Inc. |