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Key filings, June 1, 2026

1,020 filings · 7 highlights
← May 29, 2026June 2, 2026 →

Supply contracts 29

6/1AmendedSphereWorth 1684.9% of last year's revenue, over about 4 months.₩43.1B
6/1AmendedSphereWorth 57.2% of last year's revenue, over about 15 months.₩1.5B
6/1AmendedSphereWorth 40.2% of last year's revenue, over about 14 months.₩1B
6/1YCWorth 34.1% of last year's revenue, over about 6 months.₩93B
6/1AmendedVictekWorth 31.2% of last year's revenue, over about 41 months.₩17.1B
6/1MiraeWorth 30.4% of last year's revenue, over about 6 months.₩15.4B
6/1AmendedGnCenergyWorth 27.7% of last year's revenue, over about 34 months.₩62.7B
6/1AmendedENCellWorth 26.6% of last year's revenue, over about 26 months.₩1.9B
6/1BHIWorth 24.3% of last year's revenue, over about 83 months.₩188B
6/1Daehan ShipbuildingWorth 23% of last year's revenue, over about 31 months.₩283B
6/1AmendedVictekWorth 22.2% of last year's revenue, over about 31 months.₩12.2B
6/1YestWorth 14.2% of last year's revenue, over about 6 months.₩12.4B
6/1InnometryWorth 13.7% of last year's revenue, over about 3 months.₩5.3B
6/1InnodepWorth 10.4% of last year's revenue, over about 9 months.₩7.3B
6/1AmendedSunic SystemWorth 10.3% of last year's revenue, over about 22 months.₩11.6B
6/1AmendedCK SolutionWorth 10.1% of last year's revenue, over about 9 months.₩29.7B
6/1AmendedDMSWorth 8.7% of last year's revenue, over about 7 months.₩14.3B
6/1AmendedWoojin I&SWorth 8.4% of last year's revenue, over about 25 months.₩8.4B
6/1HD Korea Shipbuilding & Offshore EngineeringWorth 8.1% of last year's revenue, over about 49 months.₩1.42T
6/1HD Hyundai Heavy IndustriesWorth 8.1% of last year's revenue, over about 49 months.₩1.42T
6/1AmendedVictekWorth 7.6% of last year's revenue, over about 31 months.₩5.4B
6/1AmendedHS HwasungWorth 6.4% of last year's revenue, over about 87 months.₩26.7B
6/1PlateerWorth 5.6% of last year's revenue, over about 12 months.₩2.2B
6/1Doosan EnerbilityWorth 4.9% of last year's revenue, over about 37 months.₩837B
6/1AmendedKye-Ryong Construction IndustrialWorth 4.4% of last year's revenue, over about 44 months.₩114B
6/1AmendedHJ Shipbuilding & ConstructionWorth 3.5% of last year's revenue.₩59.9B
6/1AmendedKye-Ryong Construction IndustrialWorth 3.4% of last year's revenue, over about 72 months.₩85.7B
6/1Samsung E&AWorth 1.9% of last year's revenue, over about 19 months.₩168B
6/1MNC SolutionWorth 1.6% of last year's revenue, over about 41 months.₩6.5B

Preliminary earnings 4

6/1Hyundai MotorPreliminary operating results
6/1KIAPreliminary operating results
6/1KG MobilityPreliminary operating results
6/1Lotte Tour DevelopmentPreliminary operating results

Insider trades 74

6/1OliX PharmaceuticalsInsider ownership report
6/1OliX PharmaceuticalsInsider ownership report
6/1OliX PharmaceuticalsInsider ownership report
6/1THE Nature HoldingsInsider ownership report
6/1KT SkylifeInsider ownership report
6/1T.S.InvestmentInsider ownership report
6/1Paratech CompanyInsider ownership report
6/1Paratech CompanyInsider ownership report
6/1YuhanInsider ownership report
6/1Copus KoreaInsider ownership report
6/1SolumInsider ownership report
6/1Copus KoreaInsider ownership report
6/1ArootInsider ownership report
6/1RF MaterialsInsider ownership report
6/1RF MaterialsInsider ownership report
6/1RF MaterialsInsider ownership report
6/1RF MaterialsInsider ownership report
6/1RF MaterialsInsider ownership report
6/1Miraeasset Maps Realty Investment CompanyInsider ownership report
6/1Hyosung Heavy IndustriesInsider ownership report
6/1Yuanta Securities KoreaInsider ownership report
6/1RF MaterialsInsider ownership report
6/1CS WindInsider ownership report
6/1Shinyoung SecuritiesInsider ownership report
6/1Kumho Petro ChemicalInsider ownership report
6/1Hanmi Pharm.Insider ownership report
6/1E8Insider ownership report
6/1LIG Defense&AerospaceInsider ownership report
6/1HL MandoInsider ownership report
6/1Kumho Petro ChemicalInsider ownership report
6/1Sungwon Ener TechInsider ownership report
6/1HyundaiInsider ownership report
6/1Hyosung TNCInsider ownership report
6/1Samyang FoodsInsider ownership report
6/1SimmtechInsider ownership report
6/1Seoyon TopmetalInsider ownership report
6/1UnionInsider ownership report
6/1HanwhaInsider ownership report
6/1BK HoldingsInsider ownership report
6/1SSRInsider ownership report
All insider trades →

5% holders 50

6/1New 5%PoledA major holder's stake rose from 0.00% to 6.93%.6.93%
6/1EcoGlowA major holder's stake rose from 13.15% to 28.46% (open-market sale).28.46%
6/1BK HoldingsA major holder's stake rose from 34.51% to 44.94% (rights offering).44.94%
6/1HyundaiA major holder's stake rose from 24.31% to 26.47%.26.47%
6/1DaekyoA major holder's stake rose from 66.58% to 68.71% (related-party change).68.71%
6/1T.S.InvestmentA major holder's stake fell from 34.76% to 32.87% (related-party change).32.87%
6/1NeurophetA major holder's stake fell from 29.17% to 27.46% (open-market buy).27.46%
6/1Below 5%Auto&A major holder's stake fell from 6.13% to 4.56% (gift).4.56%
6/1Higen RNMA major holder's stake fell from 22.66% to 21.21%.21.21%
6/1Below 5%HVMA major holder's stake fell from 5.63% to 4.25%.4.25%
6/1Below 5%Hana MaterialsNational Pension Service's stake fell from 5.00% to 3.71%.3.71%
6/1Chong Kun Dang PharmaceuticalA major holder's stake rose from 6.05% to 7.21% (open-market buy).7.21%
6/1CJ FreshwayA major holder's stake rose from 5.03% to 6.09%.6.09%
6/1E Kocref Cr-ReitA major holder's stake fell from 19.78% to 18.74%.18.74%
6/1Korea Electric PowerNational Pension Service's stake fell from 7.90% to 6.88%.6.88%
6/1Hyosung TNCNational Pension Service's stake rose from 9.98% to 10.99%.10.99%
6/1CJ LogisticsNational Pension Service's stake fell from 10.49% to 9.48%.9.48%
6/1LG DisplayBlackRock's stake rose from 5.04% to 6.05%.6.05%
6/1Samyang FoodsNational Pension Service's stake rose from 9.58% to 10.58%.10.58%
6/1Below 5%Hansol TechnicsA major holder's stake fell from 5.04% to 4.14%.4.14%
6/1Below 5%MKElectronA major holder's stake fell from 5.35% to 4.61%.4.61%
6/1MeatBox GlobalA major holder's stake rose from 21.48% to 22.18% (open-market buy).22.18%
6/1Below 5%P&H TechA major holder's stake fell from 5.22% to 4.63%.4.63%
6/1SSRA major holder's stake rose from 49.57% to 49.79% (open-market buy).49.79%
6/1OliX PharmaceuticalsA major holder's stake fell from 17.14% to 16.93% (open-market sale).16.93%
6/1Asia SeedA major holder's stake fell from 8.10% to 7.89%.7.89%
6/1Paratech CompanyA major holder's stake rose from 6.81% to 6.99% (related-party change).6.99%
6/1Below 5%Kolon IndustriesA major holder's stake fell from 5.04% to 4.93%.4.93%
6/1Aekyung ChemicalA major holder's stake fell from 62.39% to 62.29% (pledge).62.29%
6/1Below 5%RobostarA major holder's stake fell from 5.06% to 4.98%.4.98%
6/1THE Nature HoldingsA major holder's stake rose from 40.34% to 40.41%.40.41%
6/1AirraneA major holder's stake rose from 23.86% to 23.93% (open-market buy).23.93%
6/1HDC HoldingsA major holder's stake rose from 42.53% to 42.59% (open-market buy).42.59%
6/1Bookook SecuritiesA major holder's stake rose from 34.77% to 34.82% (related-party change).34.82%
6/1SolumA major holder's stake fell from 32.72% to 32.70%.32.70%
6/1Eco VoltA major holder's stake rose from 29.93% to 29.94%.29.94%
6/1Sungho ElectronicsA major holder's stake rose from 66.10% to 66.11% (open-market buy).66.11%
6/1FingerA major holder's stake rose from 53.06% to 53.06%.53.06%
6/1Enzychem LifesciencesReport of 5%+ holding
6/1EcoGlowReport of 5%+ holding
All 5% holders →

Buybacks 9

6/1BuybackBiobijouPlans to buy back 322,100 sh of treasury stock, Jun 2 to Aug 31.₩2B
6/1TrustTPCSigned a ₩2B trust contract to buy back shares.₩2B
6/1TrustPond GroupSigned a ₩1.3B trust contract to buy back shares.₩1.3B
6/1BuybackBIO Port KoreaPlans to buy back 235,294 sh of treasury stock, Jun 2 to Sep 1.₩1B
6/1TrustSamsung PublishingSigned a ₩1B trust contract to buy back shares.₩1B
6/1BuybackHurumPlans to buy back 384,615 sh of treasury stock, Jun 2 to Aug 31.₩1B
6/1BuybackCitechPlans to buy back 1,030,927 sh of treasury stock, Jun 2 to Sep 1.₩1B
6/1BuybackMhethanolPlans to buy back 100,000 sh of treasury stock, Jun 2 to Sep 1.₩371M
6/1RF SystemsShare cancellation

Share issues & bonds 13

6/1AmendedRights offeringDasan SoluetaIssuing 3,665,520 sh of new shares, equal to 20.4% of existing shares.₩3.2B
6/1CBSammi Metal ProductsConversion price ₩13,043; if all converted, equal to 10.4% of shares outstanding.₩30B
6/1Rights offeringHaesung OpticsIssuing 2,908,667 sh of new shares, equal to 5.2% of existing shares.₩5B
6/1ItoxiRights offering
6/1OliX PharmaceuticalsRights offering
6/1AmendedEdge FoundryConvertible bond issue
6/1AmendedMgen SolutionsConvertible bond issue
6/1Dasan SoluetaRights offering
6/1EBKumkang KindExchange price ₩14,347; if all exchanged, equal to 9.7% of shares outstanding.₩31B
6/1AmendedItoxiRights offering
6/1AmendedInnospaceRights offering
6/1AmendedUTIConvertible bond issue
6/1AmendedMobile ApplianceRights offering

M&A & spin-offs 4

6/1SonokongMerger
6/1Artist CompanyStake acquisition/disposal
6/1SonokongMerger
6/1AmendedGL Pharm TechMerger

Exchange actions 7

6/1SoftcenAdministrative issue
6/1T.S.InvestmentSpin-off / split
6/1BTB KoreaSpin-off / split
6/1Dynamic solutionSpin-off / split
6/1Wing YIP Food Holdings GroupTrading halt
6/1Charm EngineeringExchange
6/1Trinity AirwaysUnfaithful disclosure