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Southwest Gas (SWX) SEC Filings & 10K Form

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Recent Southwest Gas SEC Filings

DateFilerForm TypeView
08/15/2025
7:45 AM
Southwest Gas (Filer)
Form 8-K/A
08/12/2025
7:45 AM
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/06/2025
11:14 AM
FMR LLC (Filed by)
Southwest Gas (Subject)
Form SCHEDULE 13G
08/06/2025
7:05 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/06/2025
7:14 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
07/21/2025
11:38 AM
Pineda Fabio A (Reporting)
Southwest Gas (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
07/08/2025
3:46 PM
Centuri Holdings, Inc. (Subject)
Southwest Gas (Filed by)
Form SCHEDULE 13G/A
07/08/2025
3:31 PM
Centuri Holdings, Inc. (Issuer)
Southwest Gas (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
07/08/2025
3:05 PM
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/02/2025
3:40 PM
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
07/02/2025
3:43 PM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/30/2025
5:11 PM
Southwest Gas (Issuer)
Stefani Robert J (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/27/2025
12:28 PM
Southwest Gas (Subject)
Stefani Robert J (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
06/25/2025
3:20 PM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 11-K
Annual reports of employee stock purchase, savings and similar plans pursuant to Section 15(d)  
06/18/2025
7:46 PM
Centuri Holdings, Inc. (Subject)
Southwest Gas (Filed by)
Form SCHEDULE 13G/A
06/18/2025
5:59 PM
Centuri Holdings, Inc. (Issuer)
Southwest Gas (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
06/18/2025
3:19 PM
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
06/03/2025
3:30 PM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/28/2025
5:05 PM
Corvex Management LP (Filed by)
Southwest Gas (Subject)
Form SCHEDULE 13D/A
05/23/2025
3:46 PM
Centuri Holdings, Inc. (Subject)
Southwest Gas (Filed by)
Form SCHEDULE 13G/A
05/22/2025
3:41 PM
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/21/2025
3:42 PM
Southwest Gas (Filer)
Form 15-12G
05/21/2025
8:03 AM
NEW YORK STOCK EXCHANGE LLC (Filed by)
Southwest Gas (Subject)
Form 25-NSE
05/12/2025
7:09 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
05/12/2025
7:04 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
05/02/2025
6:24 PM
Sandoval Brian E (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
05/01/2025
4:54 PM
Sandoval Brian E (Reporting)
Southwest Gas (Issuer)
Form 3
Initial statement of beneficial ownership of securities  
03/31/2025
5:52 PM
Southwest Gas (Issuer)
Stefani Robert J (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
03/28/2025
12:04 PM
Southwest Gas (Subject)
Stefani Robert J (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
03/25/2025
3:45 PM
ICAHN CARL C (Filed by)
Southwest Gas (Subject)
Form SCHEDULE 13D/A
03/25/2025
3:46 PM
ICAHN CARL C (Reporting)
ICAHN PARTNERS LP (Reporting)
ICAHN PARTNERS MASTER FUND LP (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
03/17/2025
3:16 PM
Southwest Gas (Filer)
Form ARS
02/26/2025
7:04 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
02/26/2025
7:12 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 10-K
Annual report pursuant to Section 13 or 15(d)  
02/24/2025
7:49 PM
Gabe Randall P. (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:49 PM
Evans Andrew W (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:46 PM
Southwest Gas (Issuer)
Thornton Leslie T (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:46 PM
Sharma Ruby (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:46 PM
Southwest Gas (Issuer)
Timperley Amy L. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:46 PM
Southwest Gas (Issuer)
Teno Andrew (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:46 PM
Lewis-Raymond Jane (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
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02/24/2025
7:47 PM
CONLEY E RENAE (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:47 PM
Mazzeo Catherine M (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:47 PM
Linginfelter Henry P (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:47 PM
Brown Justin L (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:47 PM
Southwest Gas (Issuer)
Williams Julie M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:48 PM
Southwest Gas (Issuer)
Thoman A. Randall (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:48 PM
Ruisanchez Carlos (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:48 PM
MARIUCCI ANNE L (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:48 PM
Colvin Lori L (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:48 PM
Southwest Gas (Issuer)
Stefani Robert J (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
02/24/2025
7:48 PM
Haller Karen S (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
02/13/2025
5:11 PM
Southwest Gas (Issuer)
Teno Andrew (Reporting)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:11 PM
Linginfelter Henry P (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:11 PM
CONLEY E RENAE (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:11 PM
Southwest Gas (Issuer)
Timperley Amy L. (Reporting)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:12 PM
Gabe Randall P. (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:12 PM
Evans Andrew W (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:12 PM
Ruisanchez Carlos (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:12 PM
Southwest Gas (Issuer)
Thornton Leslie T (Reporting)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:12 PM
Southwest Gas (Issuer)
Stefani Robert J (Reporting)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:13 PM
Sharma Ruby (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:13 PM
Haller Karen S (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:13 PM
Mazzeo Catherine M (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:13 PM
Colvin Lori L (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:13 PM
Brown Justin L (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:13 PM
Southwest Gas (Issuer)
Thoman A. Randall (Reporting)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:14 PM
Lewis-Raymond Jane (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:14 PM
Southwest Gas (Issuer)
Williams Julie M. (Reporting)
Form 5
Annual statement of changes in beneficial ownership of securities  
02/13/2025
5:14 PM
MARIUCCI ANNE L (Reporting)
Southwest Gas (Issuer)
Form 5
Annual statement of changes in beneficial ownership of securities  
01/15/2025
7:47 PM
Mazzeo Catherine M (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/15/2025
7:48 PM
Brown Justin L (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/15/2025
7:48 PM
Southwest Gas (Issuer)
Williams Julie M. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/15/2025
7:48 PM
Southwest Gas (Issuer)
Stefani Robert J (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/15/2025
7:48 PM
Colvin Lori L (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/15/2025
7:48 PM
Haller Karen S (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
01/15/2025
7:48 PM
Southwest Gas (Issuer)
Timperley Amy L. (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
01/15/2025
7:49 PM
Gabe Randall P. (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
12/03/2024
6:12 PM
Southwest Gas (Issuer)
Stefani Robert J (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
11/20/2024
6:45 AM
ICAHN CARL C (Filed by)
Southwest Gas (Subject)
Form SC 13D/A
11/20/2024
6:45 AM
ICAHN CARL C (Reporting)
ICAHN PARTNERS LP (Reporting)
ICAHN PARTNERS MASTER FUND LP (Reporting)
Southwest Gas (Issuer)
Form 4
Statement of changes in beneficial ownership of securities  
11/19/2024
7:47 PM
ICAHN PARTNERS LP (Reporting)
Southwest Gas (Subject)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
11/13/2024
6:46 PM
Centuri Holdings, Inc. (Subject)
Southwest Gas (Filed by)
Form SC 13G
11/06/2024
7:05 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
11/06/2024
7:17 AM
SOUTHWEST GAS CORP (Filer)
Southwest Gas (Filer)
Form 10-Q
General form for quarterly reports under Section 13 or 15(d)  
10/15/2024
3:33 PM
ICAHN CARL C (Filed by)
Southwest Gas (Subject)
Form SC 13D/A
10/15/2024
3:11 PM
Southwest Gas (Filer)
Form 8-K
Current report pursuant to Section 13 or 15(d)  
08/28/2024
1:39 PM
Southwest Gas (Issuer)
Stefani Robert J (Reporting)
Form 4
Statement of changes in beneficial ownership of securities  
08/26/2024
3:38 PM
Southwest Gas (Subject)
Stefani Robert J (Reporting)
Form 144
Notice of proposed sale of securities pursuant to Rule 144  
(Data available from 1/1/2016 forward)


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This page (NYSE:SWX) was last updated on 8/25/2025 by MarketBeat.com Staff
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