| 25 Jan 2019 | TAX_WITHHOLDING | Southwest Gas Holdings, Inc. | 310.49 | 75.40 USD | |
| 25 Jan 2019 | TAX_WITHHOLDING | Southwest Gas Holdings, Inc. | 274.77 | 75.40 USD | |
| 24 Jan 2019 | TAX_WITHHOLDING | Southwest Gas Holdings, Inc. | 632.52 | 76.50 USD | |
| 01 Mar 2019 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 8.06 | 82.88 USD | |
| 01 Mar 2019 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 16.53 | 82.88 USD | |
| 01 Mar 2019 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 253.66 | 82.88 USD | |
| 04 Mar 2019 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 1,256.86 | 76.50 USD | |
| 03 Dec 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 5.17 | 80.20 USD | |
| 01 Mar 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 5.74 | 65.36 USD | |
| 01 Jun 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 5.29 | 76.25 USD | |
| 04 Sept 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 5.17 | 78.28 USD | |
| 03 Dec 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 19.07 | 80.20 USD | |
| 03 Dec 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 19.28 | 80.20 USD | |
| 03 Dec 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 247.09 | 80.20 USD | |
| 04 Sept 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 19.41 | 78.28 USD | |
| 04 Sept 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 19.63 | 78.28 USD | |
| 04 Sept 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 251.48 | 78.28 USD | |
| 01 Jun 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 19.79 | 76.25 USD | |
| 01 Jun 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 20.01 | 76.25 USD | |
| 01 Jun 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 256.43 | 76.25 USD | |
| 01 Mar 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 21.81 | 65.36 USD | |
| 01 Mar 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 22.06 | 65.36 USD | |
| 01 Mar 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 282.63 | 65.36 USD | |
| 28 Feb 2018 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 1,149.98 | 80.48 USD | |
| 01 Dec 2017 | GRANT_AWARD | Southwest Gas Holdings, Inc. | 142.71 | 85.99 USD | |