| 2026-05-18 | Ms. Anne L. MariucciIndependent Director | 7,34k | 0,00 | Derivative Exercise and Retained Stock | - | 89,71k | 8,91% |
| 2026-05-18 | Mr. Andrew William EvansIndependent Director | 7,34k | 0,00 | Derivative Exercise and Retained Stock | - | 18,31k | 66,89% |
| 2026-05-18 | Mr. Charles R. PattonIndependent Director | 7,34k | 0,00 | Derivative Exercise and Retained Stock | - | 29,31k | 33,40% |
| 2026-05-18 | Ms. Julie A. DillIndependent Director | 7,34k | 0,00 | Derivative Exercise and Retained Stock | - | 24,31k | 43,24% |
| 2026-05-18 | Mr. Christopher A. KrummelIndependent Chair | 7,34k | 0,00 | Derivative Exercise and Retained Stock | - | 20,81k | 54,47% |
| 2026-05-18 | Ms. Karen S. HallerDirector | 7,34k | 0,00 | Derivative Exercise and Retained Stock | - | 30,31k | 31,94% |
| 2026-02-25 | Mr. Christian Ian BrownPresident, CEO & Director | -4,89k | 151,49k | Sale to Issuer | 30,96 | 197,90k | -2,41% |
| 2026-02-25 | Mr. Jason S. WilcockExec. VP, Chief Legal & Administrative Officer and Corporate Secretary | -1,98k | 61,42k | Sale to Issuer | 30,96 | 64,74k | -2,97% |
| 2026-02-25 | Ms. Kendra L. ChiltonSenior VP & CAO | -454,00 | 14,06k | Sale to Issuer | 30,96 | 19,97k | -2,22% |
| 2026-02-25 | Mr. Gregory A. IzenstarkExec. VP & CFO | -2,87k | 88,79k | Sale to Issuer | 30,96 | 87,81k | -3,16% |
| 2026-02-17 | Ms. Kendra L. ChiltonSenior VP & CAO | 2,19k | 0,00 | Derivative Exercise and Retained Stock | - | 5,90k | 58,81% |
| 2026-02-17 | Mr. Christian Ian BrownPresident, CEO & Director | 31,42k | 0,00 | Derivative Exercise and Retained Stock | - | 53,51k | 142,23% |
| 2026-02-17 | Mr. Gregory A. IzenstarkExec. VP & CFO | 16,11k | 0,00 | Derivative Exercise and Retained Stock | - | 48,69k | 49,45% |
| 2026-02-17 | Mr. Jason S. WilcockExec. VP, Chief Legal & Administrative Officer and Corporate Secretary | 10,59k | 0,00 | Derivative Exercise and Retained Stock | - | 37,11k | 39,91% |
| 2026-01-30 | Mr. James W. ConnellInsider | 13,73k | 0,00 | Derivative Exercise and Retained Stock | - | 38,19k | 56,14% |
| 2026-01-30 | Mr. James W. ConnellInsider | -5,28k | 146,94k | Derivative Exercise and Sale | 27,83 | 38,19k | - |
| 2025-12-04 | Mr. Christian Ian BrownPresident, CEO & Director | -7,11k | 174,22k | Vendita | 24,51 | 22,09k | -24,34% |
| 2025-12-03 | Mr. Christian Ian BrownPresident, CEO & Director | 29,20k | 0,00 | Derivative Exercise and Retained Stock | - | 29,20k | - |
| 2025-11-14 | Icahn Capital LPSocietà | 3,49M | 75,00M | Acquisto | 21,50 | 14,34M | 32,16% |
| 2025-09-05 | Southwest Gas Holdings, Inc.Società | -27,36M | 536,30M | Vendita | 19,60 | 0,00 | -100,00% |
| 2025-08-11 | Southwest Gas Holdings, Inc.Società | -18,82M | 367,06M | Vendita | 19,50 | 27,36M | -40,76% |
| 2025-07-08 | Southwest Gas Holdings, Inc.Società | -1,06M | 22,00M | Vendita | 20,75 | 46,19M | -2,24% |
| 2025-06-18 | Southwest Gas Holdings, Inc.Società | -11,21M | 232,66M | Vendita | 20,75 | 47,25M | -19,18% |