Mines Management (MGN) SEC Filings & 10K Form $3.36 -0.16 (-4.55%) As of 10/3/2025 Add Compare Share Share SEC Filings Stock AnalysisChartHeadlinesSEC FilingsBuy This Stock Recent Mines Management 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 TypeView02/14/20255:21 AMALEXCO RESOURCE CORP (Filer)Burke Trading Inc (Filer)Hecla Admiralty Co (Filer)Hecla Alaska LLC (Filer)Hecla Greens Creek Mining Co (Filer)Hecla Juneau Mining Co (Filer)Hecla Ltd (Filer)Hecla MC Subsidiary LLC (Filer)HECLA MINING CO/DE/ (Filer)Hecla Montana Inc. (Filer)Hecla Quebec Inc. (Filer)Hecla Silver Valley Inc (Filer)Klondex Aurora Mine Inc. (Filer)Klondex Gold & Silver Mining Co (Filer)Klondex Holdings Inc. (0001768687) (Filer)Klondex Hollister Mine Inc. (Filer)Klondex Midas Holdings Ltd (Filer)Klondex Midas Operations Inc. (Filer)Mines Management (Filer)Montanore Minerals Corp. (Filer)Newhi, Inc. (Filer)RC Resources Inc (Filer)Revett Exploration Inc (Filer)Revett Holdings Inc. (Filer)Revett Silver Co (Filer)Rio Grande Silver Inc (Filer)Silver Hunter Mining Co (Filer)Troy Mine Inc (Filer)Form S-3ASR(Data available from 1/1/2016 forward) Related Companies and Tools Related Companies AUGG SEC Filings ORAAF SEC Filings BHPLF SEC Filings CXBMF SEC Filings CVVUF SEC Filings DYNR SEC Filings EGMCF SEC Filings ENRT SEC Filings ESKYF SEC Filings FEMFF SEC Filings SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NYSEMKT:MGN) was last updated on 10/5/2025 by MarketBeat.com Staff From Our PartnersMagnificent 7 being replaced by the “Hidden 7”?BULLISH: It's time to buy this 'hidden' AI stock An award-winning stock-rating system has turned BULLISH on...Chaikin Analytics | Sponsored$100 Trillion “AI Metal” Found in American Ghost TownJeff Brown recently traveled to a ghost town in the middle of an American desert… To investigate what could...Brownstone Research | SponsoredU.S. Government Sparking Crypto RallyU.S. Puts GDP on the Blockchain Could this spark the next crypto supercycle? 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