Southwest Gas Holdings, Inc. 8-K Filing

Key Financial Figures

• $1 — thwest Gas Holdings, Inc. Common Stock, $1 Par Value SWX New York Stock Exchan
• $500,000 — l receive an increased annual salary of $500,000 effective December 1, 2025. He will be
• $1.00 — f the Company's common stock, par value $1.00 per share, held by the selling stockhol

Filing Documents

• d858076d8k.htm (8-K) — 43KB
• d858076dex51.htm (EX-5.1) — 9KB
• d858076dex101.htm (EX-10.1) — 125KB
• g858076g1125074056163.jpg (GRAPHIC) — 2KB
• 0001193125-25-300528.txt ( ) — 355KB
• swx-20251126.xsd (EX-101.SCH) — 52KB
• d858076d8k_htm.xml (XML) — 6KB

Financial Statements and Exhibits

Financial Statements and Exhibits . (d) Exhibits Exhibit No. Description 10.1* Registration Rights Agreement, dated as of November 26, 2025, by and among the Icahn Group and the Company. 5.1 Opinion of Morrison & Foerster LLP. 23.1 Consent of Morrison & Foerster LLP (included in Exhibit 5.1 hereto). 104 Cover Page Interactive Data File (embedded within the Inline XBRL document). * Certain personal information in this exhibit has been omitted in accordance with Regulation S-K

(a)(6)

Item 601(a)(6).

SIGNATURES

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. SOUTHWEST GAS HOLDINGS, INC. November 26, 2025 /s/ Catherine M. Mazzeo Catherine M. Mazzeo Senior Vice President/Chief Legal, Safety & Compliance Officer and Corporate Secretary SOUTHWEST GAS CORPORATION November 26, 2025 /s/ Catherine M. Mazzeo Catherine M. Mazzeo Senior Vice President/Chief Legal, Safety & Compliance Officer and Corporate Secretary