| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/29/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 5.7k | $0.00 | $0 | | 03/29/2023 |
| 03/03/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 761.213 | $61.88 | $47.1k | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 44.025 | $59.74 | $2.6k | By 401(k) | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 15.682 | $59.74 | $936.8 | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.009 | $59.74 | $0.5 | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 9.274 | $59.74 | $554 | | 03/03/2023 |
| 03/01/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 58.734 | $59.74 | $3.5k | | 03/29/2023 |
| 02/23/2023 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1.9k | $0.00 | $0 | | 02/23/2023 |
| 01/12/2023 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 714.669 | $64.37 | $46k | | 01/12/2023 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 31.6549 | $67.28 | $2.1k | By 401(k) | 03/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 28.413 | $67.28 | $1.9k | | 03/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.07 | $67.28 | $4.7 | | 03/01/2022 |
| 12/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.008 | $67.28 | $0.5 | | 03/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.059 | $79.41 | $4.7 | | 03/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.007 | $79.41 | $0.6 | | 03/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 23.886 | $79.41 | $1.9k | | 03/01/2022 |
| 09/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 38.052 | $79.41 | $3k | By 401(k) | 03/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 32.089 | $93.10 | $3k | By 401(k) | 03/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.05 | $93.10 | $4.7 | | 03/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 20.239 | $93.10 | $1.9k | | 03/01/2022 |
| 06/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.006 | $93.10 | $0.6 | | 03/01/2022 |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.1k | $70.05 | $76.4k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 7.182 | $69.59 | $499.8 | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 25.764 | $69.59 | $1.8k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 33.588 | $69.59 | $2.3k | By 401(k) | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.008 | $69.59 | $0.6 | | 03/01/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 2.9k | $70.05 | $204.6k | | 02/23/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1.6k | $70.05 | $112.3k | | 02/23/2022 |
| 01/11/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 624.423 | $69.00 | $43.1k | | 01/11/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 36.9951 | $64.99 | $2.4k | By 401(k) | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 26.08 | $64.99 | $1.7k | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.008 | $64.99 | $0.5 | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 0.004 | $64.99 | $0.3 | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 23.442 | $71.71 | $1.7k | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 11.153 | $71.71 | $799.8 | | 06/01/2021 |
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