Natural Alternatives International (NAII) SEC Filings & 10K Form $3.37 +0.09 (+2.74%) Closing price 04:00 PM EasternExtended Trading$3.32 -0.05 (-1.48%) As of 04:07 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 Natural Alternatives International 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 TypeView06/23/20253:32 PMNatural Alternatives International (Filer)Form 8-KCurrent report pursuant to Section 13 or 15(d) 02/14/20253:15 PMNatural Alternatives International (Filer)Form 10-QGeneral form for quarterly reports under Section 13 or 15(d) 02/13/20258:58 AMNatural Alternatives International (Subject)RENAISSANCE TECHNOLOGIES LLC (Filed by)Form SCHEDULE 13G/A02/11/20256:28 PMCALDWELL SUTTER CAPITAL, INC. (Filed by)Natural Alternatives International (Subject)Form SCHEDULE 13G/A11/13/20243:51 PMNatural Alternatives International (Filer)Form 10-QGeneral form for quarterly reports under Section 13 or 15(d) 11/13/20243:15 PMNatural Alternatives International (Filer)Form 10-QGeneral form for quarterly reports under Section 13 or 15(d) 10/23/20243:15 PMNatural Alternatives International (Filer)Form DEF 14A09/27/20244:27 PMNatural Alternatives International (Filer)Form 10-KAnnual report pursuant to Section 13 or 15(d) (Data available from 1/1/2016 forward) Related Companies and Tools Related Companies ENTX 10Q Form ORMP 10Q Form KALA 10Q Form IPA 10Q Form OKYO 10Q Form OVID 10Q Form VXRT 10Q Form WHWK 10Q Form ATRA 10Q Form QNCX 10Q Form SEC Filings Tools Latest SEC FilingsInsider Trading Activity This page (NASDAQ:NAII) was last updated on 9/10/2025 by MarketBeat.com Staff From Our PartnersWhat's the Best Way to Lower RMD Taxes?Turning 73 triggers a key IRS rule: you must begin taking required minimum distributions (RMDs) from certain r...SmartAsset | SponsoredNvidia Times 1,000,000Nvidia’s latest AI chip is a $25,000 powerhouse — with 80 billion transistors and the ability to perform 60 tr...Paradigm Press | SponsoredIRS Wants Another Check on Sept 15th—What If You Could Keep It Instead?On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed profession...American Alternative | SponsoredGENIUS Act: The Plot to Seize Your Cash?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. 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