AltaGas (ATGFF) SEC Filings & 10K Form $29.84 +0.30 (+1.01%) As of 08/1/2025 03:13 PM Eastern Add Compare Share Share SEC Filings Stock AnalysisAnalyst ForecastsChartHeadlinesSEC FilingsShort InterestBuy This Stock Recent AltaGas 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 No SEC filings found.(Data available from 1/1/2016 forward) Related Companies and Tools Related Companies AMIH 10K Form BKRP 10K Form BPT 10K Form CHKEZ 10K Form CHKEW 10K Form CHKEL 10K Form SNPMF 10K Form WLLBW 10K Form CCTC 10K Form DBRM 10K Form SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (OTCMKTS:ATGFF) was last updated on 8/2/2025 by MarketBeat.com Staff From Our PartnersElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… ...Brownstone Research | SponsoredChina just unlocked Nvidia’s AI chips—what that means for youTired of Missing Big AI Moves Like Nvidia? You’re not the problem—your trading system is. Tim’s XGPT system...Timothy Sykes | SponsoredThis Social Security Shift Could Boost Benefits by 400%If you currently collect Social Security—or plan to in the future—this may be one of the most important update...InvestorPlace | SponsoredMan Who Called Nvidia at $1.10 Says Buy This Now...In 2004, one man called Nvidia before just about anyone knew it existed. Now, this same guy says a new comp...The Oxford Club | SponsoredA new rule goes live in July — and the banks are quietly crushing itA little-known regulation quietly goes into effect this July. And it's already being exploited by Wall Stre...American Alternative | SponsoredYour blueprint for crypto wealthMark August 12th on your calendar. 27 of crypto's most successful minds are about to reveal everything…Crypto 101 Media | SponsoredJeff Bezos Launches "ChatGPT Killer"?Amazon just launched Nova—its secretive new AI system designed to rival ChatGPT. Bezos says he now spends 95% ...Stansberry Research | SponsoredAlien rocks potentially worth trillions…It might look like just a weird rock—but it’s tied to a discovery 60 Minutes says could be worth up to $16 tri...Porter & Company | Sponsored Adding Choose a watchlist: Watchlist Adding You have already added ten stocks to your watchlist. Upgrade to MarketBeat All Access to add more stocks to your watchlist. Adding AltaGas Ltd. Please log in to your account or sign up in order to add this asset to your watchlist. Share AltaGas With A Colleague Link copied to clipboard. Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
