SWX · Insider Trading
Southwest Gas Holdings, Inc.
Every open-market purchase and sale reported by SWX officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-29 | Julie M. Williams | SVP/Cont. Improvement and Opt. | Sell | −2,500 | −$204.52K |
| 2026-05-13 | Leezie Kim | Director | A | +1,196 | — |
| 2026-05-13 | Molly R. Carson | Director | A | +1,196 | — |
| 2026-03-03 | Justin S Forsberg | SVP/Chief Financial Officer | F | −519 | −$41.60K |
| 2026-03-03 | Randall P. Gabe | SVP/Chief Administrative OFC | F | −2,171 | −$173.79K |
| 2026-03-03 | Justin L Brown | President/Southwest Gas Corp. | F | −10,046 | −$828.28K |
| 2026-03-03 | Catherine M Mazzeo | SVP/Chief Legal/Comp. Officer | F | −543 | −$43.51K |
| 2026-03-03 | Julie M. Williams | SVP/Cont. Improvement and Opt. | F | −3,472 | −$277.88K |
| 2026-03-03 | Amy L. Timperley | SVP/Chief Reg. & Public Aff. | F | −1,182 | −$94.61K |
| 2026-03-03 | Karen S Haller | President and CEO | F | −13,105 | −$1.05M |
| 2026-02-23 | Carlos Ruisanchez | Director | A | +1,725 | — |
| 2026-02-23 | Brian E Sandoval | Director | A | +1,725 | — |
| 2026-02-23 | Julie M. Williams | SVP/Cont. Improvement and Opt. | A | +11,818 | — |
| 2026-02-23 | Leslie T Thornton | Director | A | +1,725 | — |
| 2026-02-23 | Ruby Sharma | Director | A | +1,725 | — |
| 2026-02-23 | Catherine M Mazzeo | SVP/Chief Legal/Comp. Officer | A | +6,197 | — |
| 2026-02-23 | Justin S Forsberg | SVP/Chief Financial Officer | A | +5,083 | — |
| 2026-02-23 | Karen S Haller | President and CEO | A | +50,060 | — |
| 2026-02-23 | E Renae Conley | Director | A | +2,588 | — |
| 2026-02-23 | Justin L Brown | President/Southwest Gas Corp. | A | +31,349 | — |
| 2026-02-23 | Anne L Mariucci | Director | A | +1,725 | — |
| 2026-02-23 | Fabio A Pineda | VP/Controller/CAO | A | +1,213 | — |
| 2026-02-23 | Henry P Linginfelter | Director | A | +1,725 | — |
| 2026-02-23 | Amy L. Timperley | SVP/Chief Reg. & Public Aff. | A | +7,147 | — |
| 2026-02-23 | Jane Lewis-Raymond | Director | A | +1,725 | — |
| 2026-02-23 | Andrew W Evans | Director | A | +1,725 | — |
| 2026-02-23 | Randall P. Gabe | SVP/Chief Administrative OFC | A | +8,108 | — |
| 2026-01-13 | Justin L Brown | President/Southwest Gas Corp. | Sell | −3,028 | −$245.51K |
| 2026-01-12 | Justin L Brown | President/Southwest Gas Corp. | F | −2,572 | −$206.20K |
| 2026-01-12 | Karen S Haller | President and CEO | F | −7,630 | −$611.59K |
| 2026-01-12 | Fabio A Pineda | VP/Controller/CAO | F | −249 | −$20.03K |
| 2026-01-12 | Julie M. Williams | SVP/Cont. Improvement and Opt. | F | −1,271 | −$101.90K |
| 2026-01-12 | Amy L. Timperley | SVP/Chief Reg. & Public Aff. | F | −864 | −$69.26K |
| 2026-01-12 | Catherine M Mazzeo | SVP/Chief Legal/Comp. Officer | F | −737 | −$59.10K |
| 2026-01-12 | Justin S Forsberg | SVP/Chief Financial Officer | F | −407 | −$32.69K |
| 2026-01-12 | Randall P. Gabe | SVP/Chief Administrative OFC | F | −1,036 | −$83.08K |
| 2025-11-26 | Robert J Stefani | SVP/Chief Financial Officer | F | −4,483 | −$360.69K |
| 2025-09-26 | ICAHN PARTNERS LP | 10%+ Owner | Sell | −4,500,000 | −$350.60M |
| 2025-09-11 | Brian E Sandoval | Director | Buy | +24 | +$1.89K |
| 2025-09-09 | Robert J Stefani | SVP/CFO/Controller | MIXED | +7,665 | −$383.63K |
| 2025-09-09 | Karen S Haller | President and CEO | MIXED | +25,568 | −$1.30M |
| 2025-07-21 | Fabio A Pineda | VP/Controller/CAO | A | +1,442 | — |
| 2025-06-30 | Robert J Stefani | SVP/CFO/Controller | Sell | −7,000 | −$525.00K |
| 2025-05-02 | Brian E Sandoval | Director | A | +1,537 | — |
| 2025-03-31 | Robert J Stefani | SVP/Chief Financial Officer | Sell | −2,000 | −$145.10K |
| 2025-03-25 | Carl C Icahn | 10%+ Owner | Sell | −6,300,000 | −$469.98M |
| 2025-03-05 | Justin L Brown | President/Southwest Gas Corp. | F | −4,766 | −$356.91K |
| 2025-03-05 | Randall P. Gabe | SVP/Chief Administrative OFC | F | −466 | −$33.00K |
| 2025-03-05 | Catherine M Mazzeo | SVP/Chief Legal/Comp. Officer | F | −254 | −$17.97K |
| 2025-03-05 | Karen S Haller | President and CEO | F | −5,417 | −$383.08K |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| ICAHN PARTNERS MASTER FUND LP | 10%+ Owner | 9,632,604 | $877.34M |
| Carl C Icahn | 10%+ Owner | 7,532,604 | $686.07M |
| ICAHN PARTNERS LP | 10%+ Owner | 6,032,604 | $549.45M |
| Karen S Haller | President and CEO | 188,296 | $17.15M |
| Anne L Mariucci | Director | 50,100 | $4.56M |
| A. Randall Thoman | Director | 42,738 | $3.89M |
| Justin L Brown | President/Southwest Gas Corp. | 31,281 | $2.85M |
| Julie M. Williams | SVP/Cont. Improvement and Opt. | 28,934 | $2.64M |
| Robert J Stefani | SVP/Chief Financial Officer | 28,444 | $2.59M |
| Randall P. Gabe | SVP/Chief Administrative OFC | 25,351 | $2.31M |
| Amy L. Timperley | SVP/Chief Reg. & Public Aff. | 24,093 | $2.19M |
| Jane Lewis-Raymond | Director | 18,974 | $1.73M |
| Leslie T Thornton | Director | 17,201 | $1.57M |
| Catherine M Mazzeo | SVP/Chief Legal/Comp. Officer | 16,895 | $1.54M |
| E Renae Conley | Director | 12,281 | $1.12M |
| Carlos Ruisanchez | Director | 10,692 | $973.88K |
| Henry P Linginfelter | Director | 10,045 | $914.98K |
| Andrew W Evans | Director | 10,045 | $914.98K |
| Ruby Sharma | Director | 9,479 | $863.40K |
| Lori L Colvin | VP/Controller/CAO | 8,585 | $781.94K |
| Andrew Teno | Director | 7,995 | $728.25K |
| Justin S Forsberg | SVP/Chief Financial Officer | 6,861 | $624.97K |
| Brian E Sandoval | Director | 3,299 | $300.50K |
| Fabio A Pineda | VP/Controller/CAO | 2,417 | $220.18K |
| Leezie Kim | Director | 1,196 | $108.97K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the SWX quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.