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NYSE · USD

SWX

Southwest Gas Holdings, Inc.

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Tapewire entity
3751
SEC CIK
0001692115
Parsed reports
592

Last 12 months

Inside the activity.

0 purchase rows · 2 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202601
Feb 202600
Mar 202600
Apr 202600
May 202600
Jun 202600
Jul 202600
Aug 202600
Sep 202601
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
September 28, 2026 Filed Sep 29, 2026 22:21 UTC
Williams Julie M.SVP/Cont. Improvement and Opt.
SaleCommon Stock 2,500 $81.81 $204,518.50
Disclosure

SEC source: 0001932678-26-000002 · wk-form4_1790720499.xml · nonDerivative · entry 1

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,449.801

F1 · price: 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.

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May 07, 2026 Filed May 13, 2026 21:26 UTC GrantCommon Stock 1,196.37 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000099 · wk-form4_1778707585.xml · nonDerivative · entry 1

Carson Molly R. · CIK 0002135013 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,196.37

F1 · shares: Represents a prorated equity award granted on May 7, 2026 in connection with the reporting persons appointment as a director effective May 7, 2026.

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May 07, 2026 Filed May 13, 2026 21:26 UTC
Kim LeezieDirector
GrantCommon Stock 1,196.37 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000098 · wk-form4_1778707579.xml · nonDerivative · entry 1

Kim Leezie · CIK 0002135010 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,196.37

F1 · shares: Represents a prorated equity award granted on May 7, 2026 in connection with the reporting persons appointment as a director effective May 7, 2026.

Read SEC document
February 27, 2026 Filed Mar 3, 2026 19:02 UTC
Mazzeo Catherine MSVP/Chief Legal/Comp. Officer
Tax withholdingCommon Stock 543.737 $80.02 $43,509.83
Disclosure

SEC source: 0001692115-26-000073 · wk-form4_1772582545.xml · nonDerivative · entry 1

Mazzeo Catherine M · CIK 0002033320 · SVP/Chief Legal/Comp. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,150.152

F1 · shares: 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.

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February 27, 2026 Filed Mar 3, 2026 19:02 UTC
Gabe Randall P.SVP/Chief Administrative OFC
Tax withholdingCommon Stock 2,171.878 $80.02 $173,793.68
Disclosure

SEC source: 0001692115-26-000071 · wk-form4_1772582536.xml · nonDerivative · entry 1

Gabe Randall P. · CIK 0001967550 · SVP/Chief Administrative OFC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,153.462

F1 · shares: 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.

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February 27, 2026 Filed Mar 3, 2026 19:02 UTC
Williams Julie M.SVP/Cont. Improvement and Opt.
Tax withholdingCommon Stock 3,472.571 $80.02 $277,875.13
Disclosure

SEC source: 0001692115-26-000074 · wk-form4_1772582550.xml · nonDerivative · entry 1

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,949.801

F1 · shares: 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.

Read SEC document
February 27, 2026 Filed Mar 4, 2026 00:02 UTC
Haller Karen SPresident and CEO
Tax withholdingCommon Stock 13,105.277 $80.02 $1,048,684.27
Disclosure

SEC source: 0001692115-26-000076 · wk-form4_1772582559.xml · nonDerivative · entry 1

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 185,798.222

F1 · shares: 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.

Read SEC document
February 27, 2026 Filed Mar 4, 2026 00:02 UTC
Timperley Amy L.SVP/Chief Reg. & Public Aff.
Tax withholdingCommon Stock 1,182.367 $80.02 $94,613.01
Disclosure

SEC source: 0001692115-26-000075 · wk-form4_1772582554.xml · nonDerivative · entry 1

Timperley Amy L. · CIK 0001967554 · SVP/Chief Reg. & Public Aff.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 15,118.242

F1 · shares: 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.

Read SEC document
February 27, 2026 Filed Mar 4, 2026 00:02 UTC
Brown Justin LPresident/Southwest Gas Corp.
Tax withholdingCommon Stock 6,838.144 $80.02 $547,188.28
Disclosure

SEC source: 0001692115-26-000072 · wk-form4_1772582540.xml · nonDerivative · entry 2

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 27,622.675

F1 · shares: 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.

Read SEC document
February 27, 2026 Filed Mar 4, 2026 00:02 UTC
Brown Justin LPresident/Southwest Gas Corp.
Tax withholdingCommon Stock 3,208.776 $87.60 $281,088.78
Disclosure

SEC source: 0001692115-26-000072 · wk-form4_1772582540.xml · nonDerivative · entry 1

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,460.819

F1 · shares: 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.

Read SEC document
February 27, 2026 Filed Mar 4, 2026 00:02 UTC
Forsberg Justin SSVP/Chief Financial Officer
Tax withholdingCommon Stock 519.918 $80.02 $41,603.84
Disclosure

SEC source: 0001692115-26-000070 · wk-form4_1772582531.xml · nonDerivative · entry 1

Forsberg Justin S · CIK 0002100020 · SVP/Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 6,861.731

F1 · shares: 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.

Read SEC document
February 22, 2026 Filed Feb 24, 2026 01:42 UTC
Brown Justin LPresident/Southwest Gas Corp.
GrantCommon Stock 8,427.292 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000048 · wk-form4_1771897354.xml · nonDerivative · entry 3

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 37,669.595

F3 · shares: Settled Performance Stock Units delivered to the reporting person as a result of satisfaction of the performance goal for the final vesting condition of the award.

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February 19, 2026 Filed Feb 24, 2026 01:42 UTC GrantCommon Stock 2,588.361 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000047 · wk-form4_1771897348.xml · nonDerivative · entry 1

CONLEY E RENAE · CIK 0001125828 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,281.557

F1 · balance_after: Balance includes 165.188 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:42 UTC
Pineda Fabio AVP/Controller/CAO
GrantCommon Stock 1,213.852 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000050 · wk-form4_1771897364.xml · nonDerivative · entry 1

Pineda Fabio A · CIK 0002077694 · VP/Controller/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,417.39

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:42 UTC
Mazzeo Catherine MSVP/Chief Legal/Comp. Officer
GrantCommon Stock 2,233.006 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000044 · wk-form4_1771897328.xml · nonDerivative · entry 2

Mazzeo Catherine M · CIK 0002033320 · SVP/Chief Legal/Comp. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,693.889

F2 · shares: Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:42 UTC
Mazzeo Catherine MSVP/Chief Legal/Comp. Officer
GrantCommon Stock 3,964.655 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000044 · wk-form4_1771897328.xml · nonDerivative · entry 1

Mazzeo Catherine M · CIK 0002033320 · SVP/Chief Legal/Comp. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,460.883

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:43 UTC
Gabe Randall P.SVP/Chief Administrative OFC
GrantCommon Stock 5,768.6 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000055 · wk-form4_1771897391.xml · nonDerivative · entry 2

Gabe Randall P. · CIK 0001967550 · SVP/Chief Administrative OFC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,325.34

F2 · shares: Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:43 UTC
Gabe Randall P.SVP/Chief Administrative OFC
GrantCommon Stock 2,340.236 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000055 · wk-form4_1771897391.xml · nonDerivative · entry 1

Gabe Randall P. · CIK 0001967550 · SVP/Chief Administrative OFC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,556.74

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:41 UTC
Williams Julie M.SVP/Cont. Improvement and Opt.
GrantCommon Stock 8,824.832 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000041 · wk-form4_1771897311.xml · nonDerivative · entry 2

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 32,422.372

F2 · shares: Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:41 UTC
Williams Julie M.SVP/Cont. Improvement and Opt.
GrantCommon Stock 2,993.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000041 · wk-form4_1771897311.xml · nonDerivative · entry 1

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 23,597.54

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Sharma RubyDirector
GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000043 · wk-form4_1771897322.xml · nonDerivative · entry 1

Sharma Ruby · CIK 0001880428 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,479.581

F1 · balance_after: Balance includes 215.249 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 23, 2026 20:43 UTC GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000053 · wk-form4_1771897381.xml · nonDerivative · entry 1

Lewis-Raymond Jane · CIK 0001763779 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,474.344

F1 · balance_after: Balance includes 497.053 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:43 UTC GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000054 · wk-form4_1771897386.xml · nonDerivative · entry 1

Evans Andrew W · CIK 0001338158 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,045.902

F1 · balance_after: Balance includes 215.249 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Timperley Amy L.SVP/Chief Reg. & Public Aff.
GrantCommon Stock 4,323.096 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000052 · wk-form4_1771897375.xml · nonDerivative · entry 2

Timperley Amy L. · CIK 0001967554 · SVP/Chief Reg. & Public Aff.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 16,300.609

F2 · shares: Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Timperley Amy L.SVP/Chief Reg. & Public Aff.
GrantCommon Stock 2,823.991 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000052 · wk-form4_1771897375.xml · nonDerivative · entry 1

Timperley Amy L. · CIK 0001967554 · SVP/Chief Reg. & Public Aff.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,977.513

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000051 · wk-form4_1771897370.xml · nonDerivative · entry 1

Linginfelter Henry P · CIK 0001403613 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,045.902

F1 · balance_after: Balance includes 215.249 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000049 · wk-form4_1771897358.xml · nonDerivative · entry 1

MARIUCCI ANNE L · CIK 0001288050 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 50,100.063

F1 · balance_after: Balance includes 1,123.038 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Brown Justin LPresident/Southwest Gas Corp.
GrantCommon Stock 17,377.749 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000048 · wk-form4_1771897354.xml · nonDerivative · entry 2

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 29,242.303

F2 · shares: Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Brown Justin LPresident/Southwest Gas Corp.
GrantCommon Stock 5,544.21 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000048 · wk-form4_1771897354.xml · nonDerivative · entry 1

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 11,864.554

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Haller Karen SPresident and CEO
GrantCommon Stock 33,304.388 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000046 · wk-form4_1771897342.xml · nonDerivative · entry 2

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 198,903.499

F2 · shares: Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Haller Karen SPresident and CEO
GrantCommon Stock 16,755.921 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000046 · wk-form4_1771897342.xml · nonDerivative · entry 1

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,599.111

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Forsberg Justin SSVP/Chief Financial Officer
GrantCommon Stock 1,513.589 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000045 · wk-form4_1771897332.xml · nonDerivative · entry 2

Forsberg Justin S · CIK 0002100020 · SVP/Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 7,381.649

F2 · shares: Settled Performance Stock Units delivered to the reporting person three years after grant date as a result of satisfaction of performance goals.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:42 UTC
Forsberg Justin SSVP/Chief Financial Officer
GrantCommon Stock 3,570.154 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000045 · wk-form4_1771897332.xml · nonDerivative · entry 1

Forsberg Justin S · CIK 0002100020 · SVP/Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,868.06

F1 · shares: Each restricted stock unit represents a contingent right to receive one share of SWX common stock. Restricted stock units vest in three annual installments (40%, 30%, 30%), assuming continued service.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:41 UTC GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000042 · wk-form4_1771897316.xml · nonDerivative · entry 1

Thornton Leslie T · CIK 0001348352 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,201.352

F1 · balance_after: Balance includes 298.573 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:41 UTC GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000040 · wk-form4_1771897307.xml · nonDerivative · entry 1

Sandoval Brian E · CIK 0001769844 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,299.272

F1 · balance_after: Balance includes 11.726 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
February 19, 2026 Filed Feb 24, 2026 01:41 UTC GrantCommon Stock 1,725.574 $0.00 $0.00
Disclosure

SEC source: 0001692115-26-000039 · wk-form4_1771897301.xml · nonDerivative · entry 1

Ruisanchez Carlos · CIK 0001442051 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,692.546

F1 · balance_after: Balance includes 283.574 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 09, 2026 Filed Jan 14, 2026 02:42 UTC
Brown Justin LPresident/Southwest Gas Corp.
SaleCommon Stock 3,028 $81.08 $245,510.24
Disclosure

SEC source: 0001740097-26-000002 · wk-form4_1768358535.xml · nonDerivative · entry 1

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 6,320.344

F1 · shares: This transaction is pursuant to a 10b5-1 Plan adopted on 09/10/2025.

F2 · balance_after: Balance includes 4.987 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 17:50 UTC
Pineda Fabio AVP/Controller/CAO
Tax withholdingCommon Stock 249.889 $80.15 $20,028.60
Disclosure

SEC source: 0001692115-26-000015 · wk-form4_1768258252.xml · nonDerivative · entry 1

Pineda Fabio A · CIK 0002077694 · VP/Controller/CAO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,203.538

F1 · balance_after: Balance includes 10.915 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 17:51 UTC
Mazzeo Catherine MSVP/Chief Legal/Comp. Officer
Tax withholdingCommon Stock 737.424 $80.15 $59,104.53
Disclosure

SEC source: 0001692115-26-000018 · wk-form4_1768258269.xml · nonDerivative · entry 1

Mazzeo Catherine M · CIK 0002033320 · SVP/Chief Legal/Comp. Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,496.228

F1 · balance_after: Balance includes 348.695 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 17:51 UTC
Gabe Randall P.SVP/Chief Administrative OFC
Tax withholdingCommon Stock 1,036.527 $80.15 $83,077.64
Disclosure

SEC source: 0001692115-26-000020 · wk-form4_1768258281.xml · nonDerivative · entry 1

Gabe Randall P. · CIK 0001967550 · SVP/Chief Administrative OFC

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 18,216.504

F1 · balance_after: Balance includes 174.673 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 17:51 UTC
Williams Julie M.SVP/Cont. Improvement and Opt.
Tax withholdingCommon Stock 1,271.426 $80.15 $101,904.79
Disclosure

SEC source: 0001692115-26-000016 · wk-form4_1768258257.xml · nonDerivative · entry 1

Williams Julie M. · CIK 0001932678 · SVP/Cont. Improvement and Opt.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,603.966

F1 · balance_after: Balance includes 688.277 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 22:51 UTC
Forsberg Justin SSVP/Chief Financial Officer
Tax withholdingCommon Stock 407.881 $80.15 $32,691.66
Disclosure

SEC source: 0001692115-26-000019 · wk-form4_1768258275.xml · nonDerivative · entry 1

Forsberg Justin S · CIK 0002100020 · SVP/Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 2,297.906

Read SEC document
January 08, 2026 Filed Jan 12, 2026 22:51 UTC
Timperley Amy L.SVP/Chief Reg. & Public Aff.
Tax withholdingCommon Stock 864.181 $80.15 $69,264.11
Disclosure

SEC source: 0001692115-26-000017 · wk-form4_1768258263.xml · nonDerivative · entry 1

Timperley Amy L. · CIK 0001967554 · SVP/Chief Reg. & Public Aff.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,153.522

F1 · balance_after: Balance includes 172.623 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 22:50 UTC
Haller Karen SPresident and CEO
Tax withholdingCommon Stock 7,630.576 $80.15 $611,590.67
Disclosure

SEC source: 0001692115-26-000014 · wk-form4_1768258246.xml · nonDerivative · entry 1

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,843.19

F1 · balance_after: Balance includes 2,656.892 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
January 08, 2026 Filed Jan 12, 2026 22:50 UTC
Brown Justin LPresident/Southwest Gas Corp.
Tax withholdingCommon Stock 2,572.614 $80.15 $206,195.01
Disclosure

SEC source: 0001692115-26-000013 · wk-form4_1768258240.xml · nonDerivative · entry 1

Brown Justin L · CIK 0001740097 · President/Southwest Gas Corp.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 34,122.835

F1 · balance_after: Balance includes 490.729 shares acquired through exempt dividend reinvestment transactions.

Read SEC document
November 25, 2025 Filed Nov 26, 2025 17:47 UTC
Stefani Robert JSVP/Chief Financial Officer
Tax withholdingCommon Stock 4,483.941 $80.44 $360,688.21
Disclosure

SEC source: 0001955367-25-000008 · wk-form4_1764179257.xml · nonDerivative · entry 1

Stefani Robert J · CIK 0001955367 · SVP/Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,444.405

F1 · balance_after: Balance includes 597.707 shares acquired through exempt dividend reinvestment transactions.

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September 25, 2025 Filed Sep 26, 2025 21:00 UTC
ICAHN CARL C10% owner
SaleCommon Stock, $1.00 par value per share ("Shares") 1,500,000 $77.91 $116,865,000.00
Disclosure

SEC source: 0001539497-25-002520 · ownership.xml · nonDerivative · entry 1

ICAHN CARL C · CIK 0000921669 · 10% owner

ICAHN PARTNERS LP · CIK 0001313666 · 10% owner

ICAHN PARTNERS MASTER FUND LP · CIK 0001322827 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: No plan indicated

Ownership: Indirect · Please see footnotes

Disclosed balance after: 6,032,604

F1 · ownership.nature: This Form 4 is being filed by, and on behalf of, Mr. Carl C. Icahn, Icahn Partners LP ("Icahn Partners") and Icahn Partners Master Fund LP ("Icahn Master," and, collectively with Mr. Icahn and Icahn Partners, the "Reporting Persons").

F2 · ownership.nature: Beckton Corp. ("Beckton") is the sole stockholder of Icahn Enterprises G.P. Inc. ("Icahn Enterprises GP"), which is the general partner of Icahn Enterprises Holdings L.P. ("Icahn Enterprises Holdings"). Icahn Enterprises Holdings is the sole member of AEPC Holdings LLC, which is the sole member of IPH GP LLC ("IPH"), which is the general partner of Icahn Capital LP ("Icahn Capital"). Icahn Capital is the general partner of each of Icahn Onshore LP ("Icahn Onshore") and Icahn Offshore LP ("Icahn Offshore"). Icahn Onshore is the general partner of Icahn Partners. Icahn Offshore is the general partner of Icahn Master.

F3 · ownership.nature: Beckton is 100 percent owned by Mr. Icahn. As such, Mr. Icahn is in a position indirectly to determine the investment and voting decisions made by each of Icahn Partners and Icahn Master.

F4 · ownership.nature: Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton, and Mr. Icahn may be deemed to indirectly beneficially own (as that term is defined in Rule 13d-3 under Securities Exchange Act of 1934, as amended), the Shares of Southwest Gas Holdings, Inc. that Icahn Partners owns. Each of Icahn Onshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton, and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein, if any.

F5 · ownership.nature: Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton, and Mr. Icahn may be deemed to indirectly beneficially own the Shares which Icahn Master owns. Each of Icahn Offshore, Icahn Capital, IPH, Icahn Enterprises Holdings, Icahn Enterprises GP, Beckton, and Mr. Icahn disclaims beneficial ownership of such Shares except to the extent of their pecuniary interest therein, if any.

F6 · ownership.nature: Reflects Shares sold to a market maker pursuant to Section 144(f)(1)(ii) of the Securities Act of 1933, as amended. After giving effect to the transactions above, Icahn Partners directly beneficially owns 3,419,167 Shares and Icahn Master directly beneficially owns 2,613,437 Shares.

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September 10, 2025 Filed Sep 12, 2025 01:17 UTC PurchaseCommon Stock 24 $78.57 $1,885.68
Disclosure

SEC source: 0001769844-25-000004 · wk-form4_1757639827.xml · nonDerivative · entry 1

Sandoval Brian E · CIK 0001769844 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,561.972

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September 05, 2025 Filed Sep 9, 2025 21:01 UTC
Haller Karen SPresident and CEO
Tax withholdingCommon Stock 16,588.794 $78.60 $1,303,879.21
Disclosure

SEC source: 0001446274-25-000005 · wk-form4_1757451712.xml · nonDerivative · entry 2

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 153,816.8738

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September 05, 2025 Filed Sep 9, 2025 21:01 UTC
Haller Karen SPresident and CEO
GrantCommon Stock 42,157.038 $0.00 $0.00
Disclosure

SEC source: 0001446274-25-000005 · wk-form4_1757451712.xml · nonDerivative · entry 1

Haller Karen S · CIK 0001446274 · President and CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 170,405.6678

F1 · shares: Settled Performance Stock Units delivered to the reporting person as a result of satisfaction of the performance goal for the final vesting condition of the award.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.