| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.3k | $70.05 | $93k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 43.181 | $69.59 | $3k | By 401(k) | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 44.587 | $69.59 | $3.1k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 11 | $69.59 | $765.5 | | 03/04/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 3.6k | $70.05 | $249k | | 02/23/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 2.7k | $70.05 | $192.4k | | 02/23/2022 |
| 01/11/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 824.76 | $69.00 | $56.9k | | 01/11/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 43.775 | $64.99 | $2.8k | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 10.367 | $64.99 | $673.8 | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 45.4731 | $64.99 | $3k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 42.509 | $71.71 | $3k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 39.346 | $71.71 | $2.8k | | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 9.387 | $71.71 | $673.1 | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 44.844 | $67.17 | $3k | By 401(k) | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 41.637 | $67.17 | $2.8k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 10.013 | $67.17 | $672.6 | | 06/01/2021 |
| 03/04/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 188.244 | $60.75 | $11.4k | | 03/04/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 45.04 | $63.64 | $2.9k | By 401(k) | 03/04/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 41.726 | $63.64 | $2.7k | | 03/04/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 9.833 | $63.64 | $625.8 | | 03/04/2021 |
| 02/23/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 2.9k | $60.75 | $174k | | 02/23/2021 |
| 02/23/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 503.999 | $60.75 | $30.6k | | 02/23/2021 |
| 01/12/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 525.816 | $59.44 | $31.3k | | 01/12/2021 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 43.333 | $65.28 | $2.8k | By 401(k) | 03/02/2020 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 42.17 | $65.28 | $2.8k | | 03/02/2020 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 28.537 | $65.28 | $1.9k | | 03/02/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 44.315 | $61.55 | $2.7k | | 03/02/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 29.988 | $61.55 | $1.8k | | 03/02/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 45.418 | $61.55 | $2.8k | By 401(k) | 03/02/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 36.5239 | $75.07 | $2.7k | By 401(k) | 03/02/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 36.06 | $75.07 | $2.7k | | 03/02/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 24.402 | $75.07 | $1.8k | | 03/02/2020 |
| 03/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 37.504 | $68.47 | $2.6k | | 03/02/2020 |
| 03/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 25.379 | $68.47 | $1.7k | | 03/02/2020 |
| 03/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 39.32 | $68.47 | $2.7k | By 401(k) | 03/02/2020 |
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