Southwest Gas Holdings, Inc. (SWX) insider trading: who bought and sold · Investailor

SWX insider activity

47 transactions on file (1 open-market purchase and 2 open-market sales).

Scheduled or decided

2 open-market sales by SWX insiders, between Sep 10, 2025 and Jan 9, 2026.

A sale made under a trading plan agreed months earlier is not the same event as one decided that week, and the filing itself says which.

Discretionary: $116.87M; 1 filing · 1 person
Planned (10b5-1): $245.51K; 1 filing · 1 person
Not stated: None; no sales on file

Discretionary. The box was on the form and was not ticked.

The sale was made at the prevailing price without a pre-arranged plan behind it.

Planned (10b5-1). The filer ticked the Form 4's 10b5-1 box.

The sale ran under a trading plan adopted before the trade, so it is a schedule executing rather than a view taken this week.

Not stated. The filing does not say.

Either it predates the April 2023 checkbox, or nothing has re-read it since. This tab will not guess which of the other two it was.

The 1 open-market purchase on file carry no plan label.

The box can be ticked on a buy, and labelling one would qualify the rarer and more informative of the two signals.

Recent transactions47 filed

Date	Insider	Type	Shares	Price	Value	Owned after
2026-05-07	Carson Molly R. Director Grant / award	Grant / award	+1,196.37	$0.00	+0	1,196.37
2026-05-07	Kim Leezie Director Grant / award	Grant / award	+1,196.37	$0.00	+0	1,196.37
2026-02-27	Haller Karen S President and CEO Tax withholding	Tax withholding	−13,105.277	$80.02	−1.05M	185,798.222
2026-02-27	Timperley Amy L. SVP/Chief Reg. & Public Aff. Tax withholding	Tax withholding	−1,182.367	$80.02	−94.61K	15,118.242
2026-02-27	Williams Julie M. SVP/Cont. Improvement and Opt. Tax withholding	Tax withholding	−3,472.571	$80.02	−277.88K	28,949.801

42 more transactions are on Measure

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Each insider's stake2 people

Insider	Role	On Sep 12, 2025	Now	Change	Sold	Shape
Brown Justin LPresident/Southwest Gas Corp.	President/Southwest Gas Corp.	9,348.344	6,320.344	−32.39%	$245.51K$245.51K on a plan
ICAHN CARL C10% owner	10% owner	7,532,604	6,032,604	−19.91%	$116.87M$116.87M no plan

What each insider held after every open-market trade, over the last twelve months.

The figure is each person’s holding as they reported it. It counts one class of stock and excludes grants, option exercises and shares withheld for tax, so a stake can fall here while somebody’s total holding does not. Since April 2023 a Form 4 states whether a trade ran under a pre-arranged 10b5-1 plan; an older one does not, and those dollars read “not stated” rather than being counted either way.

Ask about Southwest Gas Holdings, Inc.

The assistant answers from what SWX has actually filed: 11 annual reports filed with the SEC, 46 Form 4 filings from the last year and 5 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

Pressing one answers it here, from SWX's filings and figures. One a day without an account; a free account has its own, and no card.

See every Form 4 SWX insiders have filed, not the latest few.

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What an account lets you do with SWX's filings

Source

From SEC Form 4 filings, filed within two business days of a transaction.

They are filed by officers, directors and 10%-owners. “Indirect” holdings (a trust, an LLC, a family member) are included and not distinguished from direct ones in this table.

Past transactions say nothing about future ones, and none of this is investment advice.

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What an account lets you do with SWX's filings

After each open-market trade