Southwest Gas Holdings, Inc. — All Filings
1,006 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
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144
15-12G
25-NSE
3
3/A
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424B7
5
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8-A12B/A
8-K
8-K/A
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S-8
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SC14D9C
SCHEDULE 13D/A
SCHEDULE 13G
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UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 3 | FORM 3 | 0002100020-25-000003 | Dec 10, 2025 | Dec 1, 2025 |
| SCHEDULE 13D/A | — | 0001539497-25-003071 | Nov 26, 2025 | — |
| 424B7 | 424B7 | 0001193125-25-300683 | Nov 26, 2025 | — |
| 4 | FORM 4 | 0001955367-25-000008 | Nov 26, 2025 | Nov 25, 2025 |
| 8-K | 8-K | 0001193125-25-300528 | Nov 26, 2025 | — |
| 8-K | 8-K | 0001193125-25-266887 | Nov 5, 2025 | Oct 31, 2025 |
| 10-Q | 10-Q | 0001692115-25-000149 | Nov 5, 2025 | Sep 30, 2025 |
| SCHEDULE 13G/A | — | 0000315066-25-002821 | Nov 5, 2025 | — |
| 8-K | 8-K | 0001692115-25-000147 | Nov 5, 2025 | — |
| 8-K | 8-K | 0001193125-25-239100 | Oct 14, 2025 | — |
| SCHEDULE 13D/A | — | 0001539497-25-002707 | Oct 14, 2025 | — |
| SCHEDULE 13D/A | — | 0001539497-25-002518 | Sep 26, 2025 | — |
| 4 | — | 0001539497-25-002520 | Sep 26, 2025 | Sep 25, 2025 |
| 4 | FORM 4 | 0001769844-25-000004 | Sep 11, 2025 | Sep 10, 2025 |
| 4 | FORM 4 | 0001955367-25-000005 | Sep 9, 2025 | Sep 5, 2025 |
| 4 | FORM 4 | 0001446274-25-000005 | Sep 9, 2025 | Sep 5, 2025 |
| 4 | 4 | 0001193125-25-197196 | Sep 5, 2025 | — |
| SCHEDULE 13G/A | — | 0001193125-25-197197 | Sep 5, 2025 | — |
| 8-K | 8-K | 0001193125-25-197209 | Sep 5, 2025 | Sep 3, 2025 |
| 8-K/A | 8-K/A | 0001193125-25-181348 | Aug 15, 2025 | Aug 11, 2025 |
| SCHEDULE 13G/A | — | 0001193125-25-179035 | Aug 12, 2025 | — |
| 4 | 4 | 0001193125-25-179034 | Aug 12, 2025 | Aug 11, 2025 |
| 8-K | 8-K | 0001193125-25-178542 | Aug 12, 2025 | Aug 6, 2025 |
| SCHEDULE 13G | — | 0000315066-25-002125 | Aug 6, 2025 | — |
| 8-K | 8-K | 0001692115-25-000139 | Aug 6, 2025 | — |
| 10-Q | 10-Q | 0001692115-25-000141 | Aug 6, 2025 | Jun 30, 2025 |
| 3 | FORM 3 | 0001692115-25-000133 | Jul 21, 2025 | Jul 17, 2025 |
| 4 | FORM 4 | 0002077694-25-000002 | Jul 21, 2025 | Jul 17, 2025 |
| 8-K | 8-K | 0001692115-25-000131 | Jul 9, 2025 | Jul 2, 2025 |
| SCHEDULE 13G/A | — | 0000950170-25-094618 | Jul 8, 2025 | — |
| 4 | 4 | 0000950170-25-094607 | Jul 8, 2025 | — |
| 8-K | 8-K | 0001193125-25-156595 | Jul 8, 2025 | — |
| 8-K | 8-K | 0001193125-25-154999 | Jul 2, 2025 | Jun 27, 2025 |
| 8-K | 8-K | 0001193125-25-154995 | Jul 2, 2025 | Jun 27, 2025 |
| 4 | FORM 4 | 0001692115-25-000129 | Jun 30, 2025 | Jun 27, 2025 |
| 144 | — | 0001959173-25-004324 | Jun 27, 2025 | — |
| 11-K | ANNUAL REPORT OF EMPLOYEES' INVESTMENT PLAN | 0001692115-25-000127 | Jun 25, 2025 | Dec 31, 2024 |
| SCHEDULE 13G/A | — | 0000950170-25-088091 | Jun 18, 2025 | — |
| 4 | 4 | 0000950170-25-088026 | Jun 18, 2025 | — |
| 8-K | 8-K | 0001193125-25-142730 | Jun 18, 2025 | Jun 13, 2025 |
| 8-K | 8-K | 0001692115-25-000125 | Jun 6, 2025 | Jun 5, 2025 |
| 8-K | 8-K | 0001692115-25-000122 | Jun 3, 2025 | May 29, 2025 |
| SCHEDULE 13D/A | — | 0001011438-25-000333 | May 28, 2025 | — |
| 4 | 4 | 0000950170-25-076905 | May 23, 2025 | May 22, 2025 |
| SCHEDULE 13G/A | — | 0000950170-25-077023 | May 23, 2025 | — |
| 8-K | 8-K | 0001193125-25-125112 | May 22, 2025 | May 19, 2025 |
| 15-12G | 15-12G | 0001193125-25-124046 | May 21, 2025 | — |
| 25-NSE | — | 0000876661-25-000367 | May 21, 2025 | — |
| 8-K | 8-K | 0001692115-25-000117 | May 12, 2025 | — |
| 10-Q | 10-Q | 0001692115-25-000119 | May 12, 2025 | Mar 31, 2025 |