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Key filings, June 24, 2026

401 filings · 7 highlights
← June 23, 2026June 25, 2026 →

Supply contracts 19

6/24Seoho ElectricWorth 92.5% of last year's revenue, over about 20 months.₩108B
6/24AmendedSemyungElectricMachineryWorth 62.3% of last year's revenue, over about 17 months.₩7.4B
6/24AmendedNam Hwa Construction CompanyWorth 40.7% of last year's revenue, over about 77 months.₩30.7B
6/24AmendedNamkwang Engineering & ConstructionWorth 37.4% of last year's revenue, over about 128 months.₩104B
6/24HEM PharmaWorth 35.7% of last year's revenue, over about 4 months.₩4.6B
6/24AmendedSamho DevelopmentWorth 31.6% of last year's revenue, over about 30 months.₩114B
6/24AmendedSangji ConstructionWorth 29.3% of last year's revenue, over about 38 months.₩51B
6/24AmendedNanoSilikhan Advanced MaterialsWorth 29.3% of last year's revenue, over about 7 months.₩1.5B
6/24AmendedCK SolutionWorth 21.2% of last year's revenue, over about 12 months.₩62.6B
6/24AmendedSolDefenWorth 19.6% of last year's revenue, over about 35 months.₩3.2B
6/24CMES RoboticsWorth 10.7% of last year's revenue, over about 26 months.₩1.4B
6/24AmendedKye-Ryong Construction IndustrialWorth 7.1% of last year's revenue, over about 50 months.₩182B
6/24AmendedHanshin ConstructionWorth 6.9% of last year's revenue, over about 83 months.₩84.6B
6/24YoungWoo DSPWorth 6.8% of last year's revenue, over about 9 months.₩5.5B
6/24WotWorth 5.7% of last year's revenue, over about 9 months.₩857.4M
6/24Sigong TechWorth 5.2% of last year's revenue, over about 17 months.₩8.8B
6/24AmendedHDC HoldingsWorth 4.8% of last year's revenue, over about 36 months.₩162B
6/24AmendedIpark Hyundai Development CompanyWorth 4.8% of last year's revenue, over about 36 months.₩162B
6/24AmendedDL E&CWorth 3.2% of last year's revenue, over about 87 months.₩280B

Insider trades 58

6/24AtecInsider ownership report
6/24Hankook Cosmetics ManufacturingInsider ownership report
6/24Hankook Cosmetics ManufacturingInsider ownership report
6/24Hankook Cosmetics ManufacturingInsider ownership report
6/24Hankook Cosmetics ManufacturingInsider ownership report
6/24Hankook Cosmetics ManufacturingInsider ownership report
6/24Samyoung S&CInsider ownership report
6/24HandsInsider ownership report
6/24HusteelInsider ownership report
6/24HiDeepInsider ownership report
6/24SmecInsider ownership report
6/24BoosterInsider ownership report
6/24BoosterInsider ownership report
6/24BoosterInsider ownership report
6/24Hyundai Department StoreInsider ownership report
6/24BoosterInsider ownership report
6/24BoosterInsider ownership report
6/24KSS LineInsider ownership report
6/24BoosterInsider ownership report
6/24DaewonkangupInsider ownership report
6/24CJ LogisticsInsider ownership report
6/24HB SolutionInsider ownership report
6/24Hanwha Investment&securitiesInsider ownership report
6/24CJ LogisticsInsider ownership report
6/24DhautowareInsider ownership report
6/24DgenxInsider ownership report
6/24TSIInsider ownership report
6/24SDN CompanyInsider ownership report
6/24Sung Kwang BendInsider ownership report
6/24In the FInsider ownership report
6/24CSInsider ownership report
6/24In the FInsider ownership report
6/24Aztech WBInsider ownership report
6/24MgameInsider ownership report
6/24DhautowareInsider ownership report
6/24Aztech WBInsider ownership report
6/24TdspharmInsider ownership report
6/24i-SENSInsider ownership report
6/24ISAAC EngineeringInsider ownership report
6/24Hanchang PaperInsider ownership report
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5% holders 40

6/24Below 5%Aprogen BiologicsA major holder's stake fell from 34.83% to 0.82% (conversion/exercise).0.82%
6/24New 5%HC HomeCenterA major holder's stake rose from 0.00% to 6.16%.6.16%
6/24New 5%BitplanetA major holder's stake rose from 0.00% to 5.55% (conversion/exercise).5.55%
6/24AmendedHanWool & JejuA major holder's stake fell from 57.71% to 49.02% (rights offering).49.02%
6/24HiDeepA major holder's stake rose from 45.31% to 49.95% (rights offering).49.95%
6/24MetalabsA major holder's stake rose from 55.69% to 59.59% (rights offering).59.59%
6/24Below 5%Haesung OpticsA major holder's stake fell from 6.12% to 2.82% (conversion/exercise).2.82%
6/24Dongwon MobilityA major holder's stake rose from 22.22% to 24.17% (related-party change).24.17%
6/24AmendedAtumA major holder's stake fell from 11.31% to 9.65% (rights offering).9.65%
6/24RevuA major holder's stake rose from 57.07% to 58.55% (open-market sale).58.55%
6/24LameditechA major holder's stake fell from 31.97% to 30.72%.30.72%
6/24BoosterA major holder's stake rose from 37.32% to 38.55%.38.55%
6/24Korea Aerospace IndustriesA major holder's stake rose from 9.04% to 10.15%.10.15%
6/24Aztech WBA major holder's stake rose from 43.61% to 44.70% (open-market buy).44.70%
6/24AmendedPeopleBioA major holder's stake fell from 58.75% to 57.82% (conversion/exercise).57.82%
6/24NPKA major holder's stake rose from 50.04% to 50.56% (open-market buy).50.56%
6/24DaewonkangupA major holder's stake rose from 41.91% to 42.40% (open-market buy).42.40%
6/24SDN CompanyA major holder's stake rose from 12.66% to 13.10% (open-market buy).13.10%
6/24Dongwoon AnatechA major holder's stake rose from 16.78% to 17.09% (gift).17.09%
6/24Hyundai Department StoreA major holder's stake rose from 43.57% to 43.79% (open-market buy).43.79%
6/24DB InsuranceA major holder's stake rose from 27.50% to 27.57% (related-party change).27.57%
6/24CSA major holder's stake rose from 31.90% to 31.97% (related-party change).31.97%
6/24LaonPeopleA major holder's stake rose from 31.72% to 31.78% (related-party change).31.78%
6/24DhautowareA major holder's stake fell from 45.92% to 45.88% (share consolidation/split).45.88%
6/24AlcheraA major holder's stake rose from 18.59% to 18.63% (open-market buy).18.63%
6/24JetemaA major holder's stake rose from 29.78% to 29.82% (open-market buy).29.82%
6/24EcoproA major holder's stake fell from 25.54% to 25.53% (pledge).25.53%
6/24Pulmuone CorporateA major holder's stake rose from 66.98% to 66.99% (open-market buy).66.99%
6/24Pan OceanA major holder's stake rose from 54.91% to 54.91% (pledge).54.91%
6/24Dream SecurityA major holder's stake rose from 40.45% to 40.45% (pledge).40.45%
6/24ERCOHS AgriculturalA major holder's stake rose from 75.45% to 75.45% (pledge).75.45%
6/24HanWool SemiconductorA major holder's stake rose from 36.02% to 36.02% (pledge).36.02%
6/24HugelReport of 5%+ holding
6/24SY Steel TechA major holder's stake rose from 36.92% to 36.92% (pledge).36.92%
6/24RemedA major holder's stake rose from 36.12% to 36.12% (pledge).36.12%
6/24Chongkundang HoldingsA major holder's stake rose from 48.09% to 48.09% (pledge).48.09%
6/24Chong Kun Dang PharmaceuticalA major holder's stake rose from 40.15% to 40.15% (share lending).40.15%
6/24PeopleBioReport of 5%+ holding
6/24Ajin Electronic ComponentsA major holder's stake rose from 24.99% to 24.99%.24.99%
6/24Moda-InnoChipsA major holder's stake rose from 75.69% to 75.69% (share lending).75.69%

Buybacks 15

6/24TrustManyo FactorySigned a ₩10B trust contract to buy back shares.₩10B
6/24TrustManyo FactoryEnded a share buyback trust contract.₩5B
6/24TrustKidariStudioEnded a share buyback trust contract.₩3.1B
6/24TrustAustemSigned a ₩3B trust contract to buy back shares.₩3B
6/24TrustKidariStudioSigned a ₩3B trust contract to buy back shares.₩3B
6/24BuybackKH VatecPlans to buy back 231,660 sh of treasury stock, Jun 25 to Sep 24.₩2.4B
6/24Truste-future.Signed a ₩2B trust contract to buy back shares.₩2B
6/24BuybackJustem.Plans to buy back 126,000 sh of treasury stock, Jun 25 to Sep 24.₩1.6B
6/24TrustCowin RoboticsSigned a ₩1.5B trust contract to buy back shares.₩1.5B
6/24TrustKnowmerceSigned a ₩1B trust contract to buy back shares.₩1B
6/24TrustPlumb FastSigned a ₩1B trust contract to buy back shares.₩1B
6/24Truste-future.Ended a share buyback trust contract.₩1B
6/24TrustESteemSigned a ₩900M trust contract to buy back shares.₩900M
6/24Nobland InternationalTreasury stock disposal
6/24NuriFlexShare cancellation

Share issues & bonds 15

6/24AmendedAprogenRights offering
6/24SK SquareRights offering
6/24AmendedAmotechBonus issue
6/24AmendedAptnRights offering
6/24CelemicsRights offering
6/24SK hynixRights offering
6/24AmendedAlpha AIConvertible bond issue
6/24AmendedAlpha AIConvertible bond issue
6/24KS IndustryCapital reduction
6/24AmendedKGARights offering
6/24AmendedCelemicsRights offering
6/24AmendedNaintech.Convertible bond issue
6/24AmendedHeng Sheng Holding Group CompanyRights offering
6/24AmendedAprogen BiologicsConvertible bond issue
6/24AmendedK AuctionConvertible bond issue

M&A & spin-offs 7

6/24AmendedDaea TIA ₩53B deal, equal to 15.8% of total assets.₩53B
6/24AmendedRftechMerger
6/24AmendedEco VoltMerger
6/24AmendedGamsungSpin-off / split
6/24AmendedSK eternixTangible asset deal
6/24AmendedNexturn&rollkoreaTangible asset deal
6/24AmendedExicure HitronStake acquisition/disposal

Exchange actions 13

6/24Dragonfly GFTrading halt
6/24CG InvitesUnfaithful disclosure
6/24VidenteExchange
6/24WatoscoreaExchange inquiry
6/24BTB KoreaTrading halt
6/24TovisSpin-off / split
6/24AprilBioExchange inquiry
6/24Dynamic solutionTrading halt
6/24KS IndustryTrading halt
6/24ChoA PharmaceuticalExchange inquiry
6/24Bookook SteelExchange inquiry
6/24Samyoung ElectronicsUnfaithful disclosure
6/24POSCO HoldingsUnfaithful disclosure