| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 06/02/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 200 | $92.06 | $18.4k | | 05/31/2022 |
| 06/02/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 3.3k | $92.02 | $303.7k | | 05/31/2022 |
| 05/31/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 2.7k | $93.19 | $251.6k | By 401(k) | 05/31/2022 |
| 05/31/2022 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 3k | $92.81 | $278.4k | | 05/31/2022 |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.3k | $70.05 | $87.6k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 27.896 | $69.59 | $1.9k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 53.651 | $69.59 | $3.7k | By 401(k) | 03/04/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 3.3k | $70.05 | $228.5k | | 02/23/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1.7k | $70.05 | $117.7k | | 02/23/2022 |
| 01/11/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 699.727 | $69.00 | $48.3k | | 01/11/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 56.492 | $64.99 | $3.7k | By 401(k) | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 29.246 | $64.99 | $1.9k | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 26.287 | $71.71 | $1.9k | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 52.816 | $71.71 | $3.8k | By 401(k) | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 27.817 | $67.17 | $1.9k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 55.713 | $67.17 | $3.7k | By 401(k) | 06/01/2021 |
| 05/10/2021 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 1.1k | $71.85 | $79k | | 05/10/2021 |
| 05/10/2021 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 1.7k | $71.83 | $122.1k | | 05/10/2021 |
| 03/04/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1k | $60.75 | $62.6k | | 03/04/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 55.963 | $63.64 | $3.6k | By 401(k) | 03/04/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 27.877 | $63.64 | $1.8k | | 03/04/2021 |
| 02/23/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 2.6k | $60.75 | $159k | | 02/23/2021 |
| 02/23/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 1.8k | $60.75 | $110.1k | | 02/23/2021 |
| 01/12/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 596.546 | $59.44 | $35.5k | | 01/12/2021 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 23.361 | $65.28 | $1.5k | | 12/01/2020 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 53.9139 | $65.28 | $3.5k | By 401(k) | 12/01/2020 |
| 11/10/2020 | Southwest Gas Holdings, Inc. | SWX | Other | Common Stock | 4k | $74.20 | $300.3k | By 401(k) | 11/10/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 24.55 | $61.55 | $1.5k | | 11/10/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 19.355 | $61.55 | $1.2k | By 401(k) | 11/10/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 15.574 | $75.07 | $1.2k | By 401(k) | 11/10/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 19.976 | $75.07 | $1.5k | | 11/10/2020 |
| 05/29/2020 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 100 | $75.05 | $7.5k | | 05/29/2020 |
| 05/29/2020 | Southwest Gas Holdings, Inc. | SWX | Sale | Common Stock | 300 | $75.12 | $22.5k | | 05/29/2020 |
| 03/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 16.757 | $68.47 | $1.1k | By 401(k) | 05/29/2020 |
| 03/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 20.776 | $68.47 | $1.4k | | 05/29/2020 |
|