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Key filings, August 31, 2026

612 filings · 3 highlights
← August 28, 2026September 1, 2026 →

Supply contracts 48

8/31AmendedCnplusWorth 74.4% of last year's revenue.₩35.4B
8/31AmendedIntellian TechnologiesWorth 64.6% of last year's revenue, over about 59 months.₩71.1B
8/31SK oceanplantWorth 61.4% of last year's revenue, over about 46 months.₩593B
8/31AmendedPhilenergyWorth 50.7% of last year's revenue, over about 36 months.₩99.8B
8/31AmendedIS DongseoWorth 49.8% of last year's revenue, over about 39 months.₩480B
8/31AmendedE8Worth 35.5% of last year's revenue, over about 13 months.₩811.8M
8/31AmendedMediaZenWorth 35% of last year's revenue, over about 17 months.₩4.5B
8/31AmendedHS HwasungWorth 26.5% of last year's revenue.₩163B
8/31SeohanWorth 25.6% of last year's revenue, over about 50 months.₩165B
8/31AmendedVitzroSys.Worth 22.6% of last year's revenue, over about 13 months.₩5.8B
8/31AmendedSamho DevelopmentWorth 21.9% of last year's revenue, over about 57 months.₩79.3B
8/31HD-Hyundai Marine EngineWorth 21.6% of last year's revenue, over about 23 months.₩87.1B
8/31FiberproWorth 21.4% of last year's revenue, over about 11 months.₩9.3B
8/31AmendedGeumhwa PSCWorth 19.4% of last year's revenue, over about 54 months.₩45.8B
8/31VirnectWorth 17.7% of last year's revenue, over about 4 months.₩549.5M
8/31AmendedGnCenergyWorth 17% of last year's revenue, over about 35 months.₩25.2B
8/31AmendedKonan Technology INWorth 16.1% of last year's revenue, over about 13 months.₩4.2B
8/31Wooyang HCWorth 15.7% of last year's revenue, over about 14 months.₩15.9B
8/31AmendedAgent AIWorth 14.4% of last year's revenue, over about 8 months.₩1.7B
8/31AmendedLS Marine SolutionWorth 13.4% of last year's revenue, over about 17 months.₩17.5B
8/31LincsolutionWorth 13% of last year's revenue, over about 14 months.₩1.7B
8/31AmendedNableWorth 12.1% of last year's revenue, over about 69 months.₩1.5B
8/31AmendedKumyang Green PowerWorth 12% of last year's revenue, over about 31 months.₩31.7B
8/31AmendedYooshin EngineeringWorth 11.8% of last year's revenue, over about 17 months.₩40B
8/31AmendedNamkwang Engineering & ConstructionWorth 10.8% of last year's revenue, over about 79 months.₩25.7B
8/31AmendedSamsung Heavy IndustriesWorth 10.8% of last year's revenue, over about 54 months.₩640B
8/31AmendedSamsung E&AWorth 10.1% of last year's revenue, over about 54 months.₩1.01T
8/31AmendedHyundai Engineering & ConstructionWorth 9.9% of last year's revenue, over about 94 months.₩1.66T
8/31AmendedDong-Ah Geological Engineering CompanyWorth 9.6% of last year's revenue.₩33.3B
8/31AmendedDong-Ah Geological Engineering CompanyWorth 9.5% of last year's revenue, over about 18 months.₩32.9B
8/31AmendedCnt85Worth 9.2% of last year's revenue, over about 24 months.₩4.6B
8/31AmendedKolonWorth 8.9% of last year's revenue, over about 55 months.₩299B
8/31AmendedKolonGlobalWorth 8.9% of last year's revenue, over about 55 months.₩299B
8/31AmendedSeondo ElectricWorth 8.3% of last year's revenue.₩2B
8/31AmendedAbClonWorth 7.5% of last year's revenue, over about 7 months.₩355.8M
8/31AmendedKolonWorth 7.2% of last year's revenue, over about 62 months.₩241B
8/31AmendedKolonGlobalWorth 7.2% of last year's revenue, over about 62 months.₩241B
8/31AmendedHLB TherapeuticsWorth 6.9% of last year's revenue, over about 10 months.₩3.8B
8/31AmendedDaewoo Engineering & ConstructionWorth 6.5% of last year's revenue, over about 42 months.₩560B
8/31HD-Hyundai Marine EngineWorth 5.6% of last year's revenue, over about 35 months.₩22.7B
All supply contracts →

Insider trades 38

8/31AmendedQuadMedicineInsider ownership report
8/31Sejong TelecomInsider ownership report
8/31KCInsider ownership report
8/31QuadMedicineInsider ownership report
8/31Atlas LinkInsider ownership report
8/31KCInsider ownership report
8/31QuadMedicineInsider ownership report
8/31DaehyunInsider ownership report
8/31PlateerInsider ownership report
8/31DaehyunInsider ownership report
8/31HansaemkInsider ownership report
8/31HansaemkInsider ownership report
8/31ChonbangInsider ownership report
8/31S.BiomedicsInsider ownership report
8/31DB SecuritiesInsider ownership report
8/31GemVax & KAELInsider ownership report
8/31DaehanPharmaceuticalInsider ownership report
8/31Finger StoryInsider ownership report
8/31JS LinkInsider ownership report
8/31EnexInsider ownership report
8/31Intelligent Digital Integrated SecurityInsider ownership report
8/31AmendedPimsInsider ownership report
8/31CXI Healthcare Technology GroupInsider ownership report
8/31CXI Healthcare Technology GroupInsider ownership report
8/31Incar Financial ServiceInsider ownership report
8/31CXI Healthcare Technology GroupInsider ownership report
8/31HCTInsider ownership report
8/31DMSInsider ownership report
8/31BIO Port KoreaInsider ownership report
8/31PimsInsider ownership report
8/31Hanwha VisionInsider ownership report
8/31HNK Machine ToolInsider ownership report
8/31HNK Machine ToolInsider ownership report
8/31SK biopharmaceuticalsInsider ownership report
8/31SK biopharmaceuticalsInsider ownership report
8/31BiotoxtechInsider ownership report
8/31Dawon CableInsider ownership report
8/31Samsung Electronics Co,Insider ownership report

5% holders 42

8/31Aztech WBReport of 5%+ holding
8/31Sejong TelecomReport of 5%+ holding
8/31Zaram TechnologyReport of 5%+ holding
8/31VoronoiReport of 5%+ holding
8/31DuChemBioReport of 5%+ holding
8/31KCReport of 5%+ holding
8/31DY DeokyangReport of 5%+ holding
8/31Hyundai Department StoreReport of 5%+ holding
8/31Hyundai Green FoodReport of 5%+ holding
8/31KCReport of 5%+ holding
8/31Yellow Balloon TourReport of 5%+ holding
8/31ObigoReport of 5%+ holding
8/31PimsReport of 5%+ holding
8/31SK oceanplantReport of 5%+ holding
8/31AmendedChunboReport of 5%+ holding
8/31KCReport of 5%+ holding
8/31AmendedChunboReport of 5%+ holding
8/31DaehyunReport of 5%+ holding
8/31Kolon IndustriesReport of 5%+ holding
8/31HanilcementReport of 5%+ holding
8/31Chong Kun Dang PharmaceuticalReport of 5%+ holding
8/31DMSReport of 5%+ holding
8/31Daishin SecuritiesReport of 5%+ holding
8/31Great New wave ComingReport of 5%+ holding
8/31ShinsegaeReport of 5%+ holding
8/31ThinkwareSystemsReport of 5%+ holding
8/31UbiVeloxReport of 5%+ holding
8/31Yg-1Report of 5%+ holding
8/31KyungdongPharmReport of 5%+ holding
8/31Finger StoryReport of 5%+ holding
8/31Daesung Hi-TechReport of 5%+ holding
8/31HLB PharmaceuticalReport of 5%+ holding
8/31EnexReport of 5%+ holding
8/31KyungbangReport of 5%+ holding
8/31HCTReport of 5%+ holding
8/31Incar Financial ServiceReport of 5%+ holding
8/31CXI Healthcare Technology GroupReport of 5%+ holding
8/31CXI Healthcare Technology GroupReport of 5%+ holding
8/31CXI Healthcare Technology GroupReport of 5%+ holding
8/31NeosemReport of 5%+ holding
All 5% holders →

Buybacks 11

8/31YeSUN TechShare cancellation
8/31AmendedKolonTreasury stock disposal
8/31AmendedSejin T.sTreasury stock acquisition
8/31AmendedKolonGlobalTreasury stock disposal
8/31JPI HealthcareBuyback trust ended
8/31EgisBuyback trust contract
8/31UILBuyback trust contract
8/31Temc CNSBuyback trust contract
8/31CelltrionTreasury stock acquisition
8/31Sejin T.sTreasury stock acquisition
8/31Dongjin SemichemBuyback trust ended

Share issues & bonds 19

8/31Agent AIRights offering
8/31HD Construction EquipmentRights offering
8/31AmendedAK HoldingsRights offering
8/31AmendedAekyung ChemicalRights offering
8/31SyntekaBioRights offering
8/31AmendedDavolinkRights offering
8/31AmendedDavolinkConvertible bond issue
8/31AmendedTHE CodiRights offering
8/31AmendedTHE CodiRights offering
8/31PhionxRights offering
8/31AmendedItekRights offering
8/31ItcenctsConvertible bond issue
8/31AmendedDaiyang MetalRights offering
8/31AmendedVivienRights offering
8/31AmendedVivienRights offering
8/31AmendedCube EntertainmentRights offering
8/31AmendedIokenmRights offering
8/31AmendedAgent AIRights offering
8/31AmendedSK D&DRights offering

M&A & spin-offs 5

8/31AmendedSimmtech HoldingsMerger
8/31AmendedSaeronautomotive CorporrationMerger
8/31AmendedClobotStake acquisition/disposal
8/31AmendedTera ScienceTangible asset deal
8/31AmendedChinyang Poly UrethaneTangible asset deal

Exchange actions 18

8/31AmendedGolfzon HoldingsUnfaithful disclosure
8/31Silla SGExchange
8/31KmpharmaceuticalExchange
8/31THE CodiAdministrative issue
8/31SI ResourcesExchange
8/31SI ResourcesTrading halt
8/31SeohanTrading halt
8/31FinetekAdministrative issue
8/31WOOREE E&L HaroutineExchange inquiry
8/31LK SamyangSpin-off / split
8/31Union Korea PharmAdministrative issue
8/31Sewha P&CTrading halt
8/31CreoSGExchange inquiry
8/31Dg-ItxExchange
8/31SLSBio(Specialty Lab Solution Bio)Exchange
8/31Sambu ConstructionExchange
8/31STX Green LogisInvestment caution
8/31Camus Engineering & ConstructionUnfaithful disclosure