Through the 90-day period concluding February 19, 2026, Southwest Gas Holdings's top three insider stakeholders include TenPercentOwner Carl C Icahn (6.03Mn shares), President And Ceo Karen S Haller (151.20K shares), President And Ceo John P Hester (122.44K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Carl C Icahn | 6,032,604 | 26 Sep, 2025 | |
| Karen S Haller | President And Ceo | 151,205 | 12 Jan, 2026 |
| John P Hester | President And Ceo | 122,442 | 07 Mar, 2022 |
| Robert L Boughner | 58,998 | 25 Feb, 2022 | |
| Paul M Daily | Ceo/Centuri Group And Inc. | 58,377 | 28 Dec, 2023 |
| Anne L Mariucci | 47,251 | 24 Feb, 2025 | |
| A. Randall Thoman | 42,738 | 24 Feb, 2025 | |
| Michael J Melarkey | 42,232 | 25 Feb, 2022 | |
| Stephen C Comer | 38,160 | 25 Feb, 2022 | |
| Thomas A Thomas | 37,998 | 25 Feb, 2022 | |
| Robert J Stefani | Svp/Chief Financial Officer | 28,444 | 26 Nov, 2025 |
| Jose A Cardenas | 25,810 | 14 Jun, 2022 | |
| Gregory J Peterson | Svp/Chief Financial Officer | 25,588 | 07 Mar, 2022 |
| Julie M. Williams | Svp/Cont. Improvement And Opt. | 22,953 | 12 Jan, 2026 |
| Kenneth J Kenny | Vp/Finance/Treasurer | 20,057 | 24 Feb, 2023 |
| Randall P. Gabe | Svp/Chief Administrative Ofc | 19,349 | 12 Jan, 2026 |
| Amy L. Timperley | Svp/Chief Reg. & Public Aff. | 17,637 | 12 Jan, 2026 |
| Jane Lewis-Raymond | 16,752 | 24 Feb, 2025 | |
| Leslie T Thornton | 15,177 | 24 Feb, 2025 | |
| Eric Debonis | Svp/Exec Operations Advisor | 13,052 | 02 Jun, 2022 |
| Catherine M Mazzeo | Svp/Chief Legal/Comp. Officer | 10,496 | 12 Jan, 2026 |
| Justin L Brown | President/Southwest Gas Corp. | 9,687 | 13 Jan, 2026 |
| E Renae Conley | 9,528 | 24 Feb, 2025 | |
| Carlos Ruisanchez | 8,683 | 24 Feb, 2025 | |
| Lori L Colvin | Vp/Controller/Cao | 8,585 | 05 Mar, 2025 |
| Andrew W Evans | 8,105 | 24 Feb, 2025 | |
| Henry P Linginfelter | 8,105 | 24 Feb, 2025 | |
| Andrew Teno | 7,996 | 24 Feb, 2025 | |
| Ruby Sharma | 7,539 | 24 Feb, 2025 | |
| Thomas E. Moran | Vp/General Counsel/Corp. Sec | 4,582 | 03 May, 2024 |
| Justin S Forsberg | Svp/Chief Financial Officer | 2,298 | 12 Jan, 2026 |
| Brian E Sandoval | 1,562 | 11 Sep, 2025 | |
| Fabio A Pineda | Vp/Controller/Cao | 1,204 | 12 Jan, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 09 Jan, 2026 | Justin L Brown | Common Stock | D | 3,028 | $81.08 | 6,320 | D | S |
| 08 Jan, 2026 | Karen S Haller | Common Stock | D | 7,631 | $80.15 | 148,843 | D | F |
| 08 Jan, 2026 | Justin L Brown | Common Stock | D | 2,573 | $80.15 | 34,123 | D | F |
| 08 Jan, 2026 | Julie M. Williams | Common Stock | D | 1,271 | $80.15 | 20,604 | D | F |
| 08 Jan, 2026 | Randall P. Gabe | Common Stock | D | 1,037 | $80.15 | 18,217 | D | F |
| 08 Jan, 2026 | Amy L. Timperley | Common Stock | D | 864 | $80.15 | 9,154 | D | F |
| 08 Jan, 2026 | Catherine M Mazzeo | Common Stock | D | 737 | $80.15 | 10,496 | D | F |
| 08 Jan, 2026 | Fabio A Pineda | Common Stock | D | 250 | $80.15 | 1,204 | D | F |
| 08 Jan, 2026 | Justin S Forsberg | Common Stock | D | 408 | $80.15 | 2,298 | D | F |
| 25 Nov, 2025 | Robert J Stefani | - | - | 28,444 | D | |||
| 25 Nov, 2025 | Robert J Stefani | Common Stock | D | 4,484 | $80.44 | 28,444 | D | F |
| 25 Sep, 2025 | Carl C Icahn | Common Stock, $1.00 par value per share ("Shares") | D | 1,500,000 | $77.91 | 6,032,604 | I | S |
| 25 Sep, 2025 | Carl C Icahn | - | - | 6,032,604 | I | |||
| 10 Sep, 2025 | Brian E Sandoval | - | - | 1,562 | D | |||
| 10 Sep, 2025 | Brian E Sandoval | Common Stock | A | 24 | $78.57 | 1,562 | D | P |
| 05 Sep, 2025 | Karen S Haller | Common Stock | D | 16,589 | $78.60 | 153,817 | D | F |
| 05 Sep, 2025 | Karen S Haller | - | - | 170,406 | D | |||
| 05 Sep, 2025 | Karen S Haller | - | - | 153,817 | D | |||
| 05 Sep, 2025 | Karen S Haller | Common Stock | A | 42,157 | $0.00 | 170,406 | D | A |
| 05 Sep, 2025 | Robert J Stefani | Common Stock | D | 4,881 | $78.60 | 32,331 | D | F |