Southwest Gas SEC Filings
NYSE: SWXUtilitiesOil & Gas ProductionUSD
84.14+0.63 (+0.75%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Southwest Gas filing overview
This page lists 60 recent SEC filings by Southwest Gas (SWX), including 37 4, 10 8-K, 5 SCHEDULE 13D/A, 2 10-Q. The latest annual report (10-K) was filed on Feb 25, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 5, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 5, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
SWX SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Sep 29, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 5, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 5, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 11, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| May 8, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| May 5, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 5, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Apr 29, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Mar 27, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 23, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 25, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Feb 25, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Feb 25, 2026 | 10-K | Annual report | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 23, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 12, 2026 | 8-K | Termination of a Material Definitive Agreement | View on EDGAR |
| Feb 11, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Feb 5, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 29, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Jan 21, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Jan 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jan 9, 2026 | 8-K | Results of Operations and Financial Condition; Non-Reliance on Previously Issued Financial Statements or a Related Audit Report; Regulation FD Disclosure | View on EDGAR |
| Jan 2, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Jan 2, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Nov 26, 2025 | 8-K | Entry into a Material Definitive Agreement; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Other Events | View on EDGAR |
| Nov 26, 2025 | 424B7 | Prospectus | View on EDGAR |
| Nov 26, 2025 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Nov 26, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |