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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form

8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported) October 20, 2026

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

\n	\n	\n	\n	\n	\n
Commission File Number		Exact name of registrant as specified in its charter and principal office address and telephone number		State of Incorporation		I.R.S. Employer Identification No.
001-37976		Southwest Gas Holdings, Inc. 8360 S. Durango Dr. Las Vegas, Nevada 89113 (702) 876-7237		Delaware		81-3881866
\n	\n	\n
001-7850		Southwest Gas Corporation 8360 S. Durango Dr. Las Vegas, Nevada 89113 (702) 876-7237		California		88-0085720

Check the appropriate box below if the Form

8-K

filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

\n\n\n

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

\n\n\n

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

\n\n\n

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

\n\n\n

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Southwest Gas Holdings, Inc.:

\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Title of each class

Trading

Symbol

Name of each exchange

on which registered

Southwest Gas Holdings, Inc. Common Stock, $1 Par Value

SWX

New York Stock Exchange

Southwest Gas Corporation

None.

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule

12b-2

of the Securities Exchange Act of 1934

(§240.12b-2

of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

\n\n\n

Item 5.02

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On October 20, 2026, Randall P. Gabe, Senior Vice President and Chief Administrative Officer of Southwest Gas Corporation (the “Company”) informed the Company of his intention to retire, effective on or before June 1, 2027 (the “Effective Date”), after 30 years of service. Mr. Gabe will serve in a new role, Senior Vice President/Business Development, supporting the Company’s 2028 Great Basin Expansion project and overseeing the Company’s Emerging Technology and Innovation team until the Effective Date.

Mr. Gabe’s decision to retire was not the result of any disagreements with the Company or Southwest Gas Holdings, Inc. on any matter relating to their operations, policies or practices.

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.

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\n	\n	\n	\n	\n	\n
\n		\n		\n		SOUTHWEST GAS HOLDINGS, INC.
\n	\n	\n
October 20, 2026		\n		\n		/s/ Catherine M. Mazzeo
\n		\n		\n		Catherine M. Mazzeo
\n		\n		\n		Senior Vice President/Chief Legal, Safety & Compliance Officer and Corporate Secretary
\n	\n	\n
\n		\n		\n		SOUTHWEST GAS CORPORATION
\n	\n	\n
October 20, 2026		\n		\n		/s/ Catherine M. Mazzeo
\n		\n		\n		Catherine M. Mazzeo
\n		\n		\n		Senior Vice President/Chief Legal, Safety & Compliance Officer and Corporate Secretary

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