{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-26-047540","form_type":"8-K","ticker":"SWX","cik":"0001692115","company_name":"Southwest Gas Holdings, Inc.","filed_at":"2026-02-12T23:59:59+00:00","discovered_at":"2026-05-14T18:02:35.906194+00:00","generated_at":"2026-05-16T03:04:08.007963+00:00","sec_items":["1.02"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.6,"calibrated_materiality_score":0.6,"confidence":"high","headline":"Southwest Gas Holdings and Icahn Group Mutually Terminate Cooperation Agreement","bullets":["On Feb 11, 2026, Southwest Gas Holdings and the Icahn Group mutually terminated their Amended and Restated Cooperation Agreement dated Oct 14, 2025.","All rights and obligations under the agreement are terminated and the agreement has no further force or effect.","Directors Andrew W. Evans, Henry P. Linginfelter, and Ruby Sharma will remain on the board of directors.","The company expects to renominate these directors at the 2026 annual meeting of stockholders."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-26-047540","json":"https://secwatch.observer/filing/0001193125-26-047540.json","markdown":"https://secwatch.observer/filing/0001193125-26-047540.md","text":"https://secwatch.observer/filing/0001193125-26-047540.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1692115/000119312526047540/0001193125-26-047540-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1692115/000119312526047540/d939236d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud","generated_at":"2026-05-16T03:04:08.007963+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[{"claim_id":"b98a6275949ad8cb392f2bf37704dcb1f6eb1ea1","claim":"Southwest Gas Holdings, Inc. terminated Amended and Restated Cooperation Agreement with Carl C. Icahn and the persons and entities listed in the Cooperation Agreement (the “Icahn Group”) (effective 2026-02-11).","evidence_excerpt":"On February 11, 2026, Southwest Gas Holdings, Inc. (the “Company”) and Carl C. Icahn and the persons and entities listed in the Cooperation Agreement (as defined below) (collectively, the “Icahn Group” and together with the Company, the “Parties”) mutually agreed to terminate that certain Amended and Restated Cooperation Agreement, dated as of October 14, 2025, by and between the Parties (the “Cooperation Agreement”).","evidence_source":"SEC 8-K Item 1.01/1.02","evidence_url":"https://www.sec.gov/Archives/edgar/data/1692115/000119312526047540/0001193125-26-047540-index.htm","confidence":0.9,"family_label":"Material Agreements","details":[{"label":"Action","value":"termination"},{"label":"Counterparty","value":"Carl C. Icahn and the persons and entities listed in the Cooperation Agreement (the “Icahn Group”)"},{"label":"Effective","value":"2026-02-11"}],"fact_type":"material_agreement"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}