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Key filings, September 17, 2026

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No filings above the size thresholds on this day.

Supply contracts 7

9/17AmendedSoosan IndustriesWorth 15.5% of last year's revenue, over about 126 months.₩47.1B
9/17AmendedWoojinWorth 10.9% of last year's revenue, over about 49 months.₩15.4B
9/17Daewoo Engineering & ConstructionWorth 7.9% of last year's revenue.₩636B
9/17L&FWorth 7.5% of last year's revenue, over about 27 months.₩162B
9/17AmendedWoojinWorth 5.1% of last year's revenue, over about 52 months.₩6.6B
9/17Kye-Ryong Construction IndustrialWorth 3.6% of last year's revenue.₩103B
9/17AmendedGS Engineering & ConstructionWorth 3.5% of last year's revenue.₩431B

Insider trades 38

9/17Sinjin SMInsider ownership report
9/17EcoGlowInsider ownership report
9/17Sinjin SMInsider ownership report
9/17OrientbioInsider ownership report
9/17SCL ScienceInsider ownership report
9/17OrientbioInsider ownership report
9/17OrientbioInsider ownership report
9/17InnodepInsider ownership report
9/17eSANGNetworksInsider ownership report
9/17KG Mobility PlatformInsider ownership report
9/17KG Mobility PlatformInsider ownership report
9/17DealiciousInsider ownership report
9/17HLB GenexInsider ownership report
9/17DYAInsider ownership report
9/17DYAInsider ownership report
9/17AprilBioInsider ownership report
9/17Sapien SemiconductorsInsider ownership report
9/17DSRInsider ownership report
9/17NaverInsider ownership report
9/17SangboInsider ownership report
9/17NaverInsider ownership report
9/17NaverInsider ownership report
9/17HNK Machine ToolInsider ownership report
9/17AmorepacificInsider ownership report
9/17NCInsider ownership report
9/17Korea Petro Chemical INDInsider ownership report
9/17DMSInsider ownership report
9/17Miwon ChemicalsInsider ownership report
9/17Korea Advanced MaterialsInsider ownership report
9/17BubangInsider ownership report
9/17OsangjaielInsider ownership report
9/17Samsung Electronics Co,Insider ownership report
9/17KoreaGasInsider ownership report
9/17BonneInsider ownership report
9/17JW PharmaceuticalInsider ownership report
9/17RF MaterialsInsider ownership report
9/17STIC InvestmentsInsider ownership report
9/17Dawon CableInsider ownership report

5% holders 40

9/17EcoGlowReport of 5%+ holding
9/17GabiaReport of 5%+ holding
9/17KwangjinIndReport of 5%+ holding
9/17Lightron Fiber-Optic DevicesReport of 5%+ holding
9/17DavolinkReport of 5%+ holding
9/17NGeneBioReport of 5%+ holding
9/17GgumbiReport of 5%+ holding
9/17DYAReport of 5%+ holding
9/17DealiciousReport of 5%+ holding
9/17eSANGNetworksReport of 5%+ holding
9/17The LEADReport of 5%+ holding
9/17NH Special Purpose Acquisition 34 CompanyReport of 5%+ holding
9/17Ilshin SpinningReport of 5%+ holding
9/17DYAReport of 5%+ holding
9/17InnodepReport of 5%+ holding
9/17DYAReport of 5%+ holding
9/17ChasysReport of 5%+ holding
9/17Korea Advanced MaterialsReport of 5%+ holding
9/17HLB GenexReport of 5%+ holding
9/17SFA EngineeringReport of 5%+ holding
9/17HLB innoVationReport of 5%+ holding
9/17Korea ZReport of 5%+ holding
9/17Youlchon ChemicalReport of 5%+ holding
9/17Ecopro HNReport of 5%+ holding
9/17HNK Machine ToolReport of 5%+ holding
9/17K-Top ReitsReport of 5%+ holding
9/17NatureandEnvironmentReport of 5%+ holding
9/17DMSReport of 5%+ holding
9/17d'Alba GlobalReport of 5%+ holding
9/17Korea Advanced MaterialsReport of 5%+ holding
9/17OsangjaielReport of 5%+ holding
9/17YoungWoo DSPReport of 5%+ holding
9/17KoasReport of 5%+ holding
9/17OscotecReport of 5%+ holding
9/17AmendedALTReport of 5%+ holding
9/17JW PharmaceuticalReport of 5%+ holding
9/17OscotecReport of 5%+ holding
9/17BonneReport of 5%+ holding
9/17WoojinReport of 5%+ holding
9/17Yujin RobotReport of 5%+ holding

Buybacks 5

9/17DoosanShare cancellation
9/17BITComputerTreasury stock acquisition
9/17SingsongholdingsTreasury stock acquisition
9/17YMBuyback trust contract
9/17SM Life Design GroupBuyback trust contract

Share issues & bonds 18

9/17GaeasoftRights offering
9/17HanJungNCS.Rights offering
9/17AmendedSeoul Electronics & TelecomRights offering
9/17AmendedTHE CodiRights offering
9/17FreeTCapital reduction
9/17AmendedPhionxRights offering
9/17AmendedPhionxRights offering
9/17AmendedGMI VentureRights offering
9/17AmendedEcoGlowRights offering
9/17AmendedBonneRights offering
9/17AmendedInsanRights offering
9/17AmendedLincsolutionConvertible bond issue
9/17AmendedPintelRights offering
9/17AmendedKwangjinIndRights offering
9/17AmendedJoosungRights offering
9/17AmendedLumens BiosCapital reduction
9/17AmendedJoosungConvertible bond issue
9/17AmendedLumens BiosRights offering

M&A & spin-offs 2

9/17AmendedTera ScienceStake acquisition/disposal
9/17AmendedPangrimTangible asset deal

Exchange actions 20

9/17Samyung ENCTrading halt
9/17Jeil M&STrading halt
9/17Skonec EntertainmentTrading halt
9/17Satoshi HoldingsAdministrative issue
9/17Mgen SolutionsTrading halt
9/17Mgen SolutionsExchange inquiry
9/17Skonec EntertainmentExchange
9/17UbionTrading halt
9/17Deep CommerceTrading halt
9/17SDN CompanyTrading halt
9/17Gold&STrading halt
9/17Gold&SExchange
9/17FreeTTrading halt
9/17Hankook SteelAdministrative issue
9/17Hanwha SystemsExchange inquiry
9/17Hanwha SystemsExchange inquiry
9/17DoosanTrading halt
9/17AmendedHaitai Confectionery and FoodsExchange
9/17AmendedHaitai Confectionery and FoodsExchange
9/17Haitai Confectionery and FoodsExchange