Southwest Gas (SWX) SEC Filings & 10K Form $72.11 0.00 (0.00%) Closing price 03:59 PM EasternExtended Trading$72.68 +0.56 (+0.78%) As of 06:45 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share SEC Filings Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Recent Southwest Gas SEC Filings All Filing Types 1 10 10-D 10-K 10-M 10-Q 11-K 12b-25 13F 13H 144 15 15F 17-H 18 18-K 19b-4(e) 19b-4 19b-7 1-A 1-E 1-K 1-N 1-SA 1-U 1-Z 20-F 24F-2 25 2-E 3 4 40-F 5 6-K 7-M 8-A 8-K 8-M 9-M ABS DD-15E ABS-15G ABS-EE ADV ADV-E ADV-H ADV-NR ADV-W ATS ATS-R BD BD-N BDW C CA-1 CB CFPORTAL D F-1 F-10 F-3 F-4 F-6 F-7 F-8 F-80 F-N F-X ID MA MA-I MA-NR MA-W MSD MSDW n/a N-14 N-17D-1 N-17f-1 N-17f-2 N-18f-1 N-1A N-2 N-23c-3 N-27D-1 N-3 N-4 N-5 N-54A N-54C N-6 N-6EI-1 N-6F N-8A N-8B-2 N-8B-4 N-8F N-CR N-CSR N-MFP N-PX N-Q NRSRO N-SAR PF PILOT R31 S-1 S-11 S-20 S-3 S-4 S-6 S-8 SBSE SBSE-A SBSE-BD SBSE-C SBSE-W SCI SD SDR SE SF-1 SF-3 SIP T-1 T-2 T-3 T-4 T-6 TA-1 TA-2 TA-W TCR TH WB-APP X-17A-19 X-17A-5 Part I X-17A-5 Part II X-17A-5 Part IIA X-17A-5 Part IIB X-17A-5 Part III X-17A-5 Schedule I X-17F-1A Filing Types Include Ownership Filings Exclude Ownership Filings Only Show Ownership FIlings Ownership Filings Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 2 Years 3 Years Time Frame * Start Date * End Date Export to Excel DateFilerForm TypeView02/26/20257:04 AMSouthwest Gas (Filer)Southwest Gas Holdings, Inc. (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 02/26/20257:12 AMSouthwest Gas (Filer)Southwest Gas Holdings, Inc. (Filer)Form 10-KAnnual report pursuant to Section 13 or 15(d) 11/06/20247:05 AMSouthwest Gas (Filer)Southwest Gas Holdings, Inc. (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 11/06/20247:17 AMSouthwest Gas (Filer)Southwest Gas Holdings, Inc. (Filer)Form 10-QGeneral form for quarterly reports under Section 13 or 15(d) 05/14/20244:19 PMSouthwest Gas (Filer)Southwest Gas Holdings, Inc. (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 05/08/20247:44 AMSouthwest Gas (Filer)Southwest Gas Holdings, Inc. (Filer)Form 10-QGeneral form for quarterly reports under Section 13 or 15(d) 05/08/20247:38 AMSouthwest Gas (Filer)Southwest Gas Holdings, Inc. (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) (Data available from 1/1/2016 forward) Remove Ads Related Companies and Tools Related Companies UGI 10Q Form National Fuel Gas 10Q Form New Jersey Resources 10Q Form Chesapeake Utilities 10Q Form Northwest Natural 10Q Form ONEOK 10Q Form Atmos Energy 10Q Form Centuri 10Q Form RGC Resources 10Q Form CMS Energy 10Q Form SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NYSE:SWX) was last updated on 3/27/2025 by MarketBeat.com Staff From Our PartnersA market crash is coming—here’s whenThe stock market cycle I've used to identify the most likely day of the next market crash is the exact same in...Chaikin Analytics | SponsoredYour Wealth is Under AttackPlease don't wait—this is your moment to take action. 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