| Date | Name | Symbol | Type | Security | Shares | Price | Value | Ownership | Reported |
| 03/04/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 6.8k | $70.05 | $473.9k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 185.484 | $69.59 | $12.9k | | 03/04/2022 |
| 03/01/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 35.683 | $69.59 | $2.5k | By 401(k) | 03/04/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 17.2k | $70.05 | $1.2M | | 02/23/2022 |
| 02/23/2022 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 11.3k | $70.05 | $790.8k | | 02/23/2022 |
| 01/11/2022 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 3.8k | $69.00 | $261.1k | | 01/11/2022 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 187.164 | $64.99 | $12.2k | | 06/01/2021 |
| 12/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 37.572 | $64.99 | $2.4k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 35.1279 | $71.71 | $2.5k | By 401(k) | 06/01/2021 |
| 09/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 168.23 | $71.71 | $12.1k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 178.022 | $67.17 | $12k | | 06/01/2021 |
| 06/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 37.0531 | $67.17 | $2.5k | By 401(k) | 06/01/2021 |
| 03/04/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 6k | $60.75 | $362.9k | | 03/04/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 178.405 | $63.64 | $11.4k | | 03/04/2021 |
| 03/01/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 37.2199 | $63.64 | $2.4k | By 401(k) | 03/04/2021 |
| 02/23/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 15.2k | $60.75 | $922.1k | | 02/23/2021 |
| 02/23/2021 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 12.1k | $60.75 | $735k | | 02/23/2021 |
| 01/12/2021 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 1.8k | $59.44 | $104.3k | | 01/12/2021 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 136.713 | $65.28 | $8.9k | | 06/01/2020 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 17.8554 | $64.92 | $1.2k | | 06/01/2020 |
| 12/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 35.8151 | $65.28 | $2.3k | By 401(k) | 06/01/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 143.668 | $61.55 | $8.8k | | 06/01/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 18.7087 | $61.39 | $1.1k | | 06/01/2020 |
| 09/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 37.5329 | $61.55 | $2.3k | By 401(k) | 06/01/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 30.204 | $75.07 | $2.3k | By 401(k) | 06/01/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 116.906 | $75.07 | $8.8k | | 06/01/2020 |
| 06/01/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 14.963 | $76.19 | $1.1k | | 06/01/2020 |
| 03/13/2020 | Southwest Gas Holdings, Inc. | SWX | Purchase | Common Stock | 2k | $52.50 | $105k | | 03/13/2020 |
| 03/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 32.494 | $68.47 | $2.2k | By 401(k) | 03/13/2020 |
| 03/02/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 121.585 | $68.47 | $8.3k | | 03/13/2020 |
| 02/24/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 16.7k | $0.00 | $0 | | 02/24/2020 |
| 02/24/2020 | Southwest Gas Holdings, Inc. | SWX | Grant | Common Stock | 9k | $0.00 | $0 | | 02/24/2020 |
| 02/24/2020 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 6.6k | $75.97 | $499.7k | | 02/24/2020 |
| 01/16/2020 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 2.5k | $76.30 | $190.4k | | 01/16/2020 |
| 01/15/2020 | Southwest Gas Holdings, Inc. | SWX | Payment of Exercise | Common Stock | 614.971 | $76.30 | $46.9k | | 01/13/2020 |
|