Southwest Gas Holdings, Inc. (SWX) Insider Ownership

Historic Insider Ownership Trends

Southwest Gas Holdings's three largest insider shareholders as of March 23, 2026 are A. Randall Thoman (Director, 42.74K shares), Thomas A Thomas (Director, 38.00K shares), Julie M. Williams (Svp/Cont. Improvement And Opt., 28.95K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
A. Randall Thoman 42,738 0 24 Feb, 2025
Thomas A Thomas 37,998 0 25 Feb, 2022
Julie M. Williams Svp/Cont. Improvement And Opt. 28,950 0 03 Mar, 2026
Robert J Stefani Svp/Chief Financial Officer 28,444 0 25 Nov, 2025
Justin L Brown President/Southwest Gas Corp. 27,623 0 03 Mar, 2026
Randall P. Gabe Svp/Chief Administrative Ofc 24,153 0 03 Mar, 2026
Jane Lewis-Raymond 17,474 0 23 Feb, 2026
Leslie T Thornton 17,201 0 23 Feb, 2026
Catherine M Mazzeo Svp/Chief Legal/Comp. Officer 16,150 0 03 Mar, 2026
Amy L. Timperley Svp/Chief Reg. Public Aff. 15,118 0 03 Mar, 2026
Ruby Sharma 9,480 0 23 Feb, 2026
Lori L Colvin Vp/Controller/Cao 8,567 0 05 Mar, 2025
Amy L. Timperley Svp/Chief Reg. Fin. Planning 0 8,483 03 May, 2024
Andrew Teno 7,996 0 24 Feb, 2025
Justin S Forsberg Svp/Chief Financial Officer 6,862 0 03 Mar, 2026
Justin L Brown President/Southwest Gas Corp. 0 3,366 03 May, 2024
Brian E Sandoval 3,299 0 23 Feb, 2026
Fabio A Pineda Vp/Controller/Cao 2,417 0 23 Feb, 2026
Julie M. Williams Svp/Cont. Improvement And Opt. 0 2,349 03 May, 2024
Randall P. Gabe Svp/Chief Administrative Ofc 0 1,132 03 May, 2024
Lori L Colvin Vp/Controller/Cao 0 17 03 May, 2024

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
27 Feb, 2026 Catherine M Mazzeo Common Stock D 544 $80.02 16,150 D F
27 Feb, 2026 Justin S Forsberg Common Stock D 520 $80.02 6,862 D F
27 Feb, 2026 Justin L Brown Common Stock D 3,209 $87.60 34,461 D F
27 Feb, 2026 Randall P. Gabe Common Stock D 2,172 $80.02 24,153 D F
27 Feb, 2026 Amy L. Timperley Common Stock D 1,182 $80.02 15,118 D F
27 Feb, 2026 Julie M. Williams Common Stock D 3,473 $80.02 28,950 D F
27 Feb, 2026 Justin L Brown Common Stock D 6,838 $80.02 27,623 D F
19 Feb, 2026 Justin S Forsberg Common Stock A 3,570 $0.00 5,868 D A
19 Feb, 2026 Brian E Sandoval Common Stock A 1,726 $0.00 3,299 D A
19 Feb, 2026 Fabio A Pineda Common Stock A 1,214 $0.00 2,417 D A
19 Feb, 2026 Ruby Sharma Common Stock A 1,726 $0.00 9,480 D A
19 Feb, 2026 Leslie T Thornton Common Stock A 1,726 $0.00 17,201 D A
19 Feb, 2026 Randall P. Gabe Common Stock A 2,340 $0.00 20,557 D A
19 Feb, 2026 Catherine M Mazzeo Common Stock A 3,965 $0.00 14,461 D A
19 Feb, 2026 Amy L. Timperley Common Stock A 2,824 $0.00 11,978 D A
19 Feb, 2026 Jane Lewis-Raymond Common Stock A 1,726 $0.00 17,474 D A
19 Feb, 2026 Julie M. Williams Common Stock A 2,994 $0.00 23,598 D A
19 Feb, 2026 Justin L Brown Common Stock A 5,544 $0.00 11,865 D A
19 Feb, 2026 Randall P. Gabe Common Stock A 5,769 $0.00 26,325 D A
19 Feb, 2026 Catherine M Mazzeo Common Stock A 2,233 $0.00 16,694 D A