Southwest Gas Officer Sells 2,500 Shares

The individual transaction prices for the shares sold ranged from $81.80 to $81.86.

Rhea-AI Filing Summary

Southwest Gas Holdings, Inc. (SWX) reported that SVP/Cont. Improvement and Opt. Julie M. Williams sold 2,500 common shares on September 28, 2026, at a reported weighted-average price of $81.8074 per share. The shares were sold in multiple transactions at prices ranging from $81.80 to $81.86. After the sale, Williams directly held 26,449.801 shares and indirectly held 2,485.076 shares through a 401(k). No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Seller: 2,500 shares

Net Sell 2 txns

Insider Williams Julie M.

Role SVP/Cont. Improvement and Opt.

Sold 2,500 shs ($205K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	2,500	$81.8074	$205K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 26,449.801 shares (Direct); Common Stock — 2,485.076 shares (Indirect, By 401(k))

Footnotes (1)

1. F1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.80 to $81.86, inclusive. The reporting person undertakes to provide to Southwest Gas Holdings Inc., any security holder of Southwest Gas Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

Key Figures

Common shares sold: 2,500 shares Weighted-average price per share: $81.8074 per share Sale price range: $81.80-$81.86 per share +2 more

5 metrics

Common shares sold 2,500 shares September 28, 2026

Weighted-average price per share $81.8074 per share Sale on September 28, 2026

Sale price range $81.80-$81.86 per share Multiple transactions on September 28, 2026

Direct shares held after sale 26,449.801 shares After the September 28, 2026 sale

Indirect shares held through 401(k) 2,485.076 shares Reported September 28, 2026

Key Terms

weighted average price, 401(k)

2 terms

weighted average price financial

"The price reported in column 4 is a weighted average price."

Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.

401(k) financial

"By 401(k)"

A 401(k) is a type of retirement savings plan offered by employers that allows workers to set aside a portion of their paycheck before taxes are taken out. The money saved in a 401(k) can grow over time through investments, helping individuals build funds for their future retirement. It matters to investors because it provides a tax-advantaged way to save and invest for long-term financial security.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many SWX shares did Julie M. Williams sell, and at what price?

Julie M. Williams sold 2,500 common shares on September 28, 2026, at a reported weighted-average price of $81.8074 per share. The individual transaction prices ranged from $81.80 to $81.86.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/29/2026 - 06:22 PM Accepted by SEC EDGAR 09/29/2026 - 06:21 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Williams Julie M.

(Last) (First) (Middle)

8360 S. DURANGO DR.

(Street)

LAS VEGAS NEVADA 89113

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Southwest Gas Holdings, Inc. [ SWX ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	SVP/Cont. Improvement and Opt.

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/28/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/28/2026		S		2,500	D	$81.8074(1)	26,449.801	D
Common Stock								2,485.076	I	By 401(k)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The price reported in column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $81.80 to $81.86, inclusive. The reporting person undertakes to provide to Southwest Gas Holdings Inc., any security holder of Southwest Gas Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

Remarks:

	Catherine M. Mazzeo, POA	09/29/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)