Niu Technologies (NIU) SEC Filings & 10K Form $4.48 -0.05 (-1.10%) Closing price 04:00 PM EasternExtended Trading$4.50 +0.02 (+0.56%) As of 05:20 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 AnalysisChartCompetitorsEarningsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Recent Niu Technologies 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 TypeView08/11/20258:11 AMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 07/22/20254:00 PMGlory Achievement Fund Ltd (Filed by)Niu Technologies (Subject)Form SCHEDULE 13D/A07/07/20255:02 AMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 05/19/20255:12 AMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 04/18/20255:05 AMNiu Technologies (Filer)Form 20-FRegistration statement / Annual report / Transition report 04/07/20255:02 AMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 03/17/20256:38 AMNiu Technologies (Subject)Zhou Fion Wenjuan (Reporting)Form 144Notice of proposed sale of securities pursuant to Rule 144 03/17/20255:34 AMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 01/06/20255:12 AMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 11/18/20245:12 AMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 10/04/20244:00 PMNiu Technologies (Filer)Form 6-KReport of foreign private issuer pursuant to Rule 13a-16 or 15d-16 under the Securities Exchange Act of 1934 (Data available from 1/1/2016 forward) Related Companies and Tools Related Companies Aeva Technologies SEC Filings ADS-TEC Energy SEC Filings Cooper-Standard SEC Filings Serve Robotics SEC Filings Holley SEC Filings NWTN SEC Filings Volcon SEC Filings Innoviz Technologies SEC Filings Hyliion SEC Filings Motorcar Parts of America SEC Filings SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NASDAQ:NIU) was last updated on 8/28/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredBREAKING: The House just passed 3 pro-crypto bills!THREE pro-crypto bills just passed the House! 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