Southwest Gas Holdings, Inc. SEC filings SWX
Southwest Gas Holdings, Inc. has 1,013 filings in SEC EDGAR's recent list, going back to Mar 2, 2018. Its latest annual report, Form ARS, was filed on Mar 23, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 4, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 11-K | Employee savings plan report | Jun 25, 2026 | Dec 31, 2025 |
| 11-K | Employee savings plan report | Jun 25, 2025 | Dec 31, 2024 |
| 15-12G | Deregistration | May 21, 2025 | — |
| 25-NSE | Delisting notice | May 21, 2025 | — |
| 11-K | Employee savings plan report | Jun 25, 2024 | Dec 31, 2023 |
| UPLOAD | Letter from the SEC | Mar 29, 2024 | — |
| CORRESP | Letter to the SEC | Mar 22, 2024 | — |
| DEFR14A | Filing | Mar 22, 2024 | — |
| UPLOAD | Letter from the SEC | Mar 21, 2024 | — |
| CERT | Nyse certification | Nov 13, 2023 | — |
| 8-A12B | Filing | Nov 6, 2023 | — |
| 11-K | Employee savings plan report | Jun 29, 2023 | Dec 31, 2022 |
| 25-NSE | Delisting notice | Jan 13, 2023 | — |
| 15-12G | Deregistration | Jan 13, 2023 | — |
| 8-A12B/A | Filing | Jan 13, 2023 | — |
| UPLOAD | Letter from the SEC | Oct 26, 2022 | — |
| CORRESP | Letter to the SEC | Oct 3, 2022 | — |
| UPLOAD | Letter from the SEC | Sep 20, 2022 | — |
| 11-K | Employee savings plan report | Jun 29, 2022 | Dec 31, 2021 |
| SC TO-T/A | Filing | May 23, 2022 | — |
| DFAN14A | Filing | May 12, 2022 | — |
| SC 14D9/A | Filing | May 11, 2022 | — |
| 8-A12B/A | Filing | May 10, 2022 | — |
| SC TO-T/A | Filing | May 9, 2022 | — |
| DFAN14A | Filing | May 9, 2022 | — |
| SC 14D9/A | Filing | May 9, 2022 | — |
| SC 14D9/A | Filing | Apr 28, 2022 | — |
| SC 14D9/A | Filing | Apr 27, 2022 | — |
| DFAN14A | Filing | Apr 26, 2022 | — |
| SC TO-T/A | Filing | Apr 26, 2022 | — |
| SC 14D9/A | Filing | Apr 25, 2022 | — |
| DFAN14A | Filing | Apr 25, 2022 | — |
| SC TO-T/A | Filing | Apr 25, 2022 | — |
| DFAN14A | Filing | Apr 22, 2022 | — |
| SC TO-T/A | Filing | Apr 22, 2022 | — |
| SC 14D9/A | Filing | Apr 21, 2022 | — |
| DFAN14A | Filing | Apr 21, 2022 | — |
| SC TO-T/A | Filing | Apr 21, 2022 | — |
| SC 14D9/A | Filing | Apr 20, 2022 | — |
| SC 14D9/A | Filing | Apr 19, 2022 | — |
| DFAN14A | Filing | Apr 19, 2022 | — |
| SC TO-T/A | Filing | Apr 19, 2022 | — |
| SC 14D9/A | Filing | Apr 18, 2022 | — |
| DFAN14A | Filing | Apr 14, 2022 | — |
| SC TO-T/A | Filing | Apr 14, 2022 | — |
| DFAN14A | Filing | Apr 12, 2022 | — |
| SC TO-T/A | Filing | Apr 12, 2022 | — |
| DFAN14A | Filing | Apr 11, 2022 | — |
| SC TO-T/A | Filing | Apr 11, 2022 | — |
| DFAN14A | Filing | Apr 7, 2022 | — |
| SC TO-T/A | Filing | Apr 7, 2022 | — |
| SC 14D9/A | Filing | Apr 7, 2022 | — |
| SC TO-T/A | Filing | Apr 6, 2022 | — |
| DFAN14A | Filing | Apr 6, 2022 | — |
| SC TO-T/A | Filing | Apr 6, 2022 | — |
| SC 14D9/A | Filing | Apr 6, 2022 | — |
| SC 14D9/A | Filing | Apr 5, 2022 | — |
| DFAN14A | Filing | Apr 5, 2022 | — |
| SC TO-T/A | Filing | Apr 5, 2022 | — |
| DFAN14A | Filing | Apr 4, 2022 | — |
| SC TO-T/A | Filing | Apr 4, 2022 | — |
| SC 14D9/A | Filing | Mar 31, 2022 | — |
| DFAN14A | Filing | Mar 29, 2022 | — |
| SC TO-T/A | Filing | Mar 29, 2022 | — |
| DEFC14A | Filing | Mar 28, 2022 | — |
| SC 14D9/A | Filing | Mar 28, 2022 | — |
| DFAN14A | Filing | Mar 24, 2022 | — |
| SC TO-T/A | Filing | Mar 24, 2022 | — |
| DEFC14A | Filing | Mar 24, 2022 | — |
| CORRESP | Letter to the SEC | Mar 17, 2022 | — |
| CORRESP | Letter to the SEC | Mar 17, 2022 | — |
| SC 14D9/A | Filing | Mar 15, 2022 | — |
| DFAN14A | Filing | Mar 14, 2022 | — |
| SC TO-T/A | Filing | Mar 14, 2022 | — |
| SC 14D9/A | Filing | Mar 14, 2022 | — |
| UPLOAD | Letter from the SEC | Mar 9, 2022 | — |
| UPLOAD | Letter from the SEC | Mar 9, 2022 | — |
| SC 14D9/A | Filing | Mar 7, 2022 | — |
| DFAN14A | Filing | Mar 7, 2022 | — |
| SC TO-T/A | Filing | Mar 7, 2022 | — |
| SC 14D9/A | Filing | Mar 2, 2022 | — |
| SC 14D9/A | Sc 14d9/a #9 | Mar 1, 2022 | — |
| DFAN14A | Filing | Mar 1, 2022 | — |
| SC TO-T/A | Filing | Mar 1, 2022 | — |
| UPLOAD | Letter from the SEC | Feb 28, 2022 | — |
| UPLOAD | Letter from the SEC | Feb 28, 2022 | — |
| PREC14A | Filing | Feb 28, 2022 | — |
| DFAN14A | Filing | Feb 23, 2022 | — |
| SC TO-T/A | Filing | Feb 23, 2022 | — |
| PREC14A | Filing | Feb 15, 2022 | — |
| SC 14D9/A | Filing | Jan 28, 2022 | — |
| DFAN14A | Filing | Jan 26, 2022 | — |
| SC TO-T/A | Filing | Jan 26, 2022 | — |
| SC 14D9/A | Filing | Jan 14, 2022 | — |
| SC 14D9/A | Filing | Dec 27, 2021 | — |
| SC TO-T/A | Filing | Dec 27, 2021 | — |
| SC 14D9/A | Filing | Dec 22, 2021 | — |
| DFAN14A | Filing | Dec 15, 2021 | — |
| SC TO-T/A | Filing | Dec 15, 2021 | — |
| SC TO-T/A | Filing | Dec 7, 2021 | — |
| SC TO-T/A | Filing | Dec 3, 2021 | — |
| DFAN14A | Filing | Nov 24, 2021 | — |
| SC TO-T/A | Filing | Nov 24, 2021 | — |
| SC TO-T/A | Filing | Nov 22, 2021 | — |
| SC 14D9/A | Filing | Nov 16, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 15, 2021 | — |
| DFAN14A | Filing | Nov 15, 2021 | — |
| SC TO-T/A | Filing | Nov 15, 2021 | — |
| DFAN14A | Filing | Nov 15, 2021 | — |
| SC TO-T/A | Filing | Nov 15, 2021 | — |
| DFAN14A | Filing | Nov 12, 2021 | — |
| SC TO-T/A | Filing | Nov 12, 2021 | — |
| SC 14D9/A | Filing | Nov 12, 2021 | — |
| SC 14D9/A | Filing | Nov 10, 2021 | — |
| SC TO-T/A | Filing | Nov 9, 2021 | — |
| SC 14D9/A | Filing | Nov 9, 2021 | — |
| DFAN14A | Filing | Nov 9, 2021 | — |
| SC 14D9 | Filing | Nov 9, 2021 | — |
| DFAN14A | Filing | Nov 2, 2021 | — |
| SC TO-T/A | Filing | Nov 2, 2021 | — |
| UPLOAD | Letter from the SEC | Nov 2, 2021 | — |
| DFAN14A | Filing | Nov 2, 2021 | — |
| SC TO-T/A | Filing | Nov 2, 2021 | — |
| SC14D9C | Filing | Oct 27, 2021 | — |
| SC TO-T/A | Filing | Oct 27, 2021 | — |
| SC TO-T | Filing | Oct 27, 2021 | — |
| DFAN14A | Filing | Oct 25, 2021 | — |
| SC TO-C | Filing | Oct 25, 2021 | — |
| SC14D9C | Filing | Oct 21, 2021 | — |
| SC TO-C | Filing | Oct 20, 2021 | — |
| DFAN14A | Filing | Oct 20, 2021 | — |
| SC14D9C | Filing | Oct 15, 2021 | — |
| SC14D9C | Filing | Oct 15, 2021 | — |
| SC TO-C | Filing | Oct 14, 2021 | — |
| CERT | Nyse certification | Oct 12, 2021 | — |
| 8-A12B | Filing | Oct 12, 2021 | — |
| DFAN14A | Filing | Oct 12, 2021 | — |
| DFAN14A | Filing | Oct 5, 2021 | — |
| 11-K | Employee savings plan report | Jun 28, 2021 | Dec 31, 2020 |
| 11-K | Employee savings plan report | Jun 26, 2020 | Dec 31, 2019 |
| POSASR | Filing | Sep 20, 2019 | — |
| POSASR | Filing | Sep 20, 2019 | — |
| 8-K12B | Filing | Sep 20, 2019 | Sep 20, 2019 |
| 11-K | Employee savings plan report | Jun 25, 2019 | Dec 31, 2018 |
| 11-K | Employee savings plan report | Jun 20, 2018 | Dec 31, 2017 |
| UPLOAD | Letter from the SEC | May 3, 2018 | — |
| CORRESP | Letter to the SEC | May 1, 2018 | — |
| UPLOAD | Letter from the SEC | Apr 18, 2018 | — |
| POSASR | Filing | Mar 2, 2018 | — |
Showing 149 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Natural Gas Transmisison & Distribution (SIC 4923)
- Listed as
- SWX (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Las Vegas, NV
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1692115
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.