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Key filings, April 10, 2026

574 filings · 11 highlights
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Supply contracts 17

4/103ALogics.Worth 78.5% of last year's revenue, over about 12 months.₩11.4B
4/10Nara Space TechnologyWorth 22.2% of last year's revenue, over about 9 months.₩2.9B
4/10AmendedHantechWorth 18.2% of last year's revenue, over about 23 months.₩28.4B
4/10HJ Shipbuilding & ConstructionWorth 17.5% of last year's revenue.₩350B
4/10AmendedHanWool SemiconductorWorth 15.5% of last year's revenue, over about 5 months.₩1.5B
4/10Woojin I&SWorth 15.1% of last year's revenue, over about 23 months.₩24.9B
4/10AmendedHJ Shipbuilding & ConstructionWorth 13.1% of last year's revenue, over about 39 months.₩235B
4/10RF MaterialsWorth 11.4% of last year's revenue, over about 6 months.₩7.3B
4/10Xi S&DWorth 11.3% of last year's revenue.₩157B
4/10AmendedEMRO., IncorporatedWorth 11.2% of last year's revenue, over about 13 months.₩8.9B
4/10AmendedKUMHO Engineering & ConstructionWorth 8.8% of last year's revenue, over about 36 months.₩179B
4/10DeviceWorth 8.3% of last year's revenue, over about 11 months.₩7B
4/10AmendedSamsung BiologicsWorth 7.7% of last year's revenue, over about 79 months.₩350B
4/10Hanwha AerospaceWorth 3.5% of last year's revenue, over about 105 months.₩941B
4/10Daewoo Engineering & ConstructionSupply contract terminated
4/10Chongkundang HoldingsSupply contract terminated
4/10Kyongbo PharmaceuticalSupply contract terminated

Preliminary earnings 2

4/10CammSysOperating profit ₩5.9B, up 63.1% YoY. Revenue ₩173B, up 7.6% YoY.₩5.9B
4/10KoreaGasPreliminary operating results

Insider trades 165

4/10Sungho ElectronicsInsider ownership report
4/10Sungho ElectronicsInsider ownership report
4/10GFIInsider ownership report
4/10PIM KoreaInsider ownership report
4/10Hansol HomeDeInsider ownership report
4/10Hansol HomeDeInsider ownership report
4/10MezooInsider ownership report
4/10ModetournetworkInsider ownership report
4/10Hyundai MovexInsider ownership report
4/10Oneul E&MInsider ownership report
4/10WON TechInsider ownership report
4/10Oneul E&MInsider ownership report
4/10Curiox BiosystemsInsider ownership report
4/10Curiox BiosystemsInsider ownership report
4/10Dx & VxInsider ownership report
4/10WON TechInsider ownership report
4/10Curiox BiosystemsInsider ownership report
4/10WON TechInsider ownership report
4/10Curiox BiosystemsInsider ownership report
4/10Korea United PharmInsider ownership report
4/10WON TechInsider ownership report
4/10MecaroInsider ownership report
4/10WON TechInsider ownership report
4/10MecaroInsider ownership report
4/10SeersInsider ownership report
4/10Celltrion PharmInsider ownership report
4/10MecaroInsider ownership report
4/10SeersInsider ownership report
4/10SeersInsider ownership report
4/10MecaroInsider ownership report
4/10MecaroInsider ownership report
4/10Hotel ShillaInsider ownership report
4/10SeersInsider ownership report
4/10EcoGlowInsider ownership report
4/10SeersInsider ownership report
4/10MecaroInsider ownership report
4/10MecaroInsider ownership report
4/10EcoGlowInsider ownership report
4/10SeersInsider ownership report
4/10GitsnInsider ownership report
All insider trades →

5% holders 69

4/10New 5%AdbiotechA major holder's stake rose from 0.00% to 16.86% (new report).16.86%
4/10Below 5%FinoA major holder's stake fell from 27.20% to 1.02% (open-market sale).1.02%
4/10Below 5%Dongsung PharmaceuticalA major holder's stake fell from 20.95% to 0.00% (conversion/exercise).0.00%
4/10New 5%Shinsung E&GA major holder's stake rose from 0.00% to 6.39% (new report).6.39%
4/10New 5%Bowon ChemicalA major holder's stake rose from 0.00% to 5.53% (open-market sale).5.53%
4/10New 5%Bowon ChemicalA major holder's stake rose from 0.00% to 5.17%.5.17%
4/10Oneul E&MA major holder's stake fell from 21.55% to 6.57% (share consolidation/split).6.57%
4/10KEM TechA major holder's stake rose from 15.15% to 30.04% (conversion/exercise).30.04%
4/10Oneul E&MA major holder's stake fell from 20.38% to 6.89% (share consolidation/split).6.89%
4/10QuantumRailA major holder's stake fell from 22.24% to 14.35% (conversion/exercise).14.35%
4/10Below 5%CheongboA major holder's stake fell from 6.31% to 0.00% (conversion/exercise).0.00%
4/10Below 5%Alpha AIA major holder's stake fell from 11.20% to 4.89% (open-market sale).4.89%
4/10Below 5%Poongsan HoldingsA major holder's stake fell from 10.31% to 4.70%.4.70%
4/10Woosung MaterialsA major holder's stake fell from 26.97% to 22.56% (conversion/exercise).22.56%
4/10Below 5%LIG Defense&AerospaceA major holder's stake fell from 8.17% to 4.37%.4.37%
4/10Hansun EngineeringA major holder's stake fell from 11.27% to 7.52% (conversion/exercise).7.52%
4/10HantechA major holder's stake fell from 11.78% to 8.07% (conversion/exercise).8.07%
4/10Global Tax FreeA major holder's stake rose from 6.95% to 9.93%.9.93%
4/10T3 EntertainmentA major holder's stake rose from 15.59% to 18.47%.18.47%
4/10Below 5%SeAH Steel HoldingsA major holder's stake fell from 7.11% to 4.37%.4.37%
4/10Daeho ALA major holder's stake fell from 10.81% to 8.09% (conversion/exercise).8.09%
4/10Below 5%KSS LineA major holder's stake fell from 6.26% to 3.54%.3.54%
4/10Below 5%GigalaneA major holder's stake fell from 6.33% to 3.89% (open-market sale).3.89%
4/10APSA major holder's stake fell from 9.13% to 6.76%.6.76%
4/10Below 5%ItekA major holder's stake fell from 6.32% to 4.26%.4.26%
4/10The Asia Business DailyA major holder's stake fell from 17.91% to 15.89% (open-market sale).15.89%
4/10Micro Contact SolutionA major holder's stake rose from 12.20% to 14.18%.14.18%
4/10Korean Reinsurance CompanyA major holder's stake rose from 9.99% to 11.86% (bonus issue).11.86%
4/10DYDA major holder's stake fell from 9.68% to 7.82% (conversion/exercise).7.82%
4/10GFIA major holder's stake fell from 23.56% to 22.01%.22.01%
4/10AbkoA major holder's stake rose from 30.96% to 32.41% (open-market buy).32.41%
4/10HanWool Materials ScienceA major holder's stake fell from 17.15% to 15.83% (conversion/exercise).15.83%
4/10Below 5%SanigenA major holder's stake fell from 5.44% to 4.18%.4.18%
4/10LX InternationalA major holder's stake rose from 6.84% to 7.87%.7.87%
4/10Intelligent Digital Integrated SecurityA major holder's stake rose from 54.41% to 55.44% (open-market buy).55.44%
4/10KnJA major holder's stake fell from 6.05% to 5.04%.5.04%
4/10RingNetA major holder's stake rose from 29.96% to 30.79%.30.79%
4/10Hwail PharmA major holder's stake rose from 37.69% to 38.48%.38.48%
4/10MeatBox GlobalA major holder's stake rose from 8.22% to 9.01%.9.01%
4/10KB Star ReitA major holder's stake rose from 9.22% to 9.94% (rights offering).9.94%
All 5% holders →

Buybacks 10

4/10TrustWON TechSigned a ₩6B trust contract to buy back shares.₩6B
4/10TrustKorea Information Certificate Authority, IncorporatedSigned a ₩5.7B trust contract to buy back shares.₩5.7B
4/10TrustKL-NetSigned a ₩2B trust contract to buy back shares.₩2B
4/10DisposalHancomPlans to dispose of 105,000 sh of treasury stock, Apr 20 to Mar 29.₩1.7B
4/10DisposalVivozon PharmaceuticalPlans to dispose of 192,562 sh of treasury stock, Apr 13 to Apr 15.₩576.7M
4/10DisposalPiolinkPlans to dispose of 49,000 sh of treasury stock, Apr 24 to Apr 30.₩473.8M
4/10DisposalPoint MobilePlans to dispose of 76,084 sh of treasury stock, Apr 20 to Apr 30.₩254.5M
4/10DisposalSeegenePlans to dispose of 7,668 sh of treasury stock, Apr 13 to May 13.₩179M
4/10DisposalKorchipPlans to dispose of 38,682 sh of treasury stock, Apr 10 to Dec 27.₩174.1M
4/10BaiksanShare cancellation

Share issues & bonds 15

4/10Capital reductionThumbageCapital reduction of 90%.90%
4/10Capital reductioniACapital reduction of 80%.80%
4/10Rights offeringNeurophetIssuing 695,214 sh of new shares, equal to 5.7% of existing shares.₩16B
4/10CBNeurophetConversion price ₩23,014; if all converted, equal to 5.4% of shares outstanding.₩16B
4/10AmendedAprogenConvertible bond issue
4/10AmendedTHE CodiConvertible bond issue
4/10AmendedRootKConvertible bond issue
4/10AmendedAdbiotechRights offering
4/10FreeTRights offering
4/10AmendedMoadataConvertible bond issue
4/10EBSimmtech HoldingsExchange price ₩73,555; if all exchanged, equal to 1.7% of shares outstanding.₩46.2B
4/10ThumbageRights offering
4/10EBSimmtech HoldingsExchange price ₩73,555; if all exchanged, equal to 0.7% of shares outstanding.₩19.8B
4/10TLBBonus issue
4/10DeviceBonus issue

M&A & spin-offs 6

4/10Cosmax NBTMerger
4/10AmendedSkonec EntertainmentTangible asset deal
4/10AmendedModa-InnoChipsMerger
4/10AmendedLogenMerger
4/10AmendedDHX CompanyTangible asset deal
4/10AmendedIbkimyoungMerger

Exchange actions 28

4/10Sungwon Ener TechExchange
4/10Sungwon Ener TechTrading halt
4/10Enzychem LifesciencesTrading halt
4/10EOFlowExchange
4/10Jeil M&SExchange
4/10Enzychem LifesciencesExchange
4/10Beno TNRUnfaithful disclosure
4/10C&R ResearchUnfaithful disclosure
4/10PhionxExchange inquiry
4/10RollingStoneTrading halt
4/10RollingStoneExchange
4/10TobesoftExchange
4/10TS NexgenExchange
4/10Samyung ENCExchange
4/10ItoxiTrading halt
4/10ItoxiExchange
4/10Ocean In WSpin-off / split
4/10OptiCoreTrading halt
4/10OptiCoreExchange
4/10ThumbageTrading halt
4/10HanWool SemiconductorSpin-off / split
4/10TLBBonus issue
4/10Exion Group CompanySpin-off / split
4/10DHX CompanyExchange inquiry
4/10DeviceBonus issue
4/10VidenteExchange
4/10HandsExchange
4/10KumyangExchange