Catherine M. Mazzeo - 27 Feb 2026 Form 4 Insider Report for Southwest Gas Holdings, Inc. (SWX)

Reporting relationship: SVP/Chief Legal/Comp. Officer
Issuer ticker: SWX
Reported as of: 27 Feb 2026
Net transaction value: -$43,510
SEC form: 4
Accepted by SEC: 03 Mar 2026, 19:02:27 UTC
Prior SEC filing: 23 Feb 2026
Source filing: View source filing
Reporting owner signature: Catherine M. Mazzeo

Key filing fact

Catherine M. Mazzeo filed Form 4 for Southwest Gas Holdings, Inc. (SWX) on 03 Mar 2026.

Key facts

This page summarizes Catherine M. Mazzeo's Form 4 filing for Southwest Gas Holdings, Inc. (SWX).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 03 Mar 2026, 19:02.

Change

Previous filing in this sequence was filed on 23 Feb 2026.
Current net transaction value: -$43,510.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002033320 Primary reporting owner

Mazzeo Catherine M

Relationship: SVP/Chief Legal/Comp. Officer
Address: 8360 S DURANGO DR, LAS VEGAS
Signature: Catherine M. Mazzeo
Signature date: 03 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SWX transaction

Common Stock

Tax liability

Transaction value: $43,510
Shares: -544
Change %: -3.3%
Price: $80.02
Shares after: 16,150
Date: 27 Feb 2026
Ownership: Direct
Footnotes: F1

SWX holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 746
Date: 27 Feb 2026
Ownership: By 401(k)

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Shares withheld to cover tax on settled Performance Stock Units delivered as a result of satisfaction of performance goals and reported on February 23, 2026.