Rubicon Technology (RBCN) SEC Filings & 10K Form $4.28 +0.02 (+0.35%) As of 03:29 PM Eastern Add Compare Share Share SEC Filings Stock AnalysisChartCompetitorsDividendHeadlinesSEC FilingsShort InterestTrendsBuy This Stock Recent Rubicon Technology 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 AMAT SEC Filings LRCX SEC Filings KLAC SEC Filings ENTG SEC Filings MKSI SEC Filings AMKR SEC Filings AEIS SEC Filings ONTO SEC Filings FORM SEC Filings ACLS SEC Filings SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NASDAQ:RBCN) was last updated on 10/20/2025 by MarketBeat.com Staff From Our PartnersA Worldwide Gold Lockdown Is Now UnderwayCentral banks around the world are hoarding gold at one of the fastest rates in history — and former Goldman S...Stansberry Research | SponsoredNEW LAW: Congress Approves Setup For Digital Dollar?Trump Ally Says Congress Approved the Setup for a Digital Dollar 2.0 But according to Rep. 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Billionaire Warren Buffett has been loading up on millions of shares of th...Altimetry | 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 Rubicon Technology, Inc. Please log in to your account or sign up in order to add this asset to your watchlist. Share Rubicon Technology 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. 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