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Key filings, May 15, 2026

2,435 filings · 10 highlights
← May 14, 2026May 18, 2026 →

Supply contracts 16

5/15AmendedNoulWorth 68.6% of last year's revenue, over about 13 months.₩1.1B
5/15QuadMedicineWorth 56.1% of last year's revenue, over about 11 months.₩6B
5/15AmendedNanoSilikhan Advanced MaterialsWorth 29.3% of last year's revenue, over about 7 months.₩1.5B
5/15AmendedNauroboticsWorth 29.1% of last year's revenue, over about 12 months.₩3.5B
5/15AmendedAlphachipsWorth 28.4% of last year's revenue, over about 9 months.₩23.3B
5/15Prestige BiologicsWorth 19.1% of last year's revenue, over about 11 months.₩2.4B
5/15AmendedPemtronWorth 17.6% of last year's revenue, over about 10 months.₩10B
5/15AmendedDaishinInformationWorth 16.7% of last year's revenue, over about 22 months.₩43.1B
5/15AmendedFiberproWorth 14.8% of last year's revenue, over about 6 months.₩4.9B
5/15TOP MaterialWorth 14.5% of last year's revenue, over about 11 months.₩3.4B
5/15Noroo Paint & CoatingsWorth 10.6% of last year's revenue, over about 12 months.₩81.6B
5/15KBI Dong Yang Steel PipeWorth 9% of last year's revenue, over about 16 months.₩21.2B
5/15AmendedCHA AI HealthkareWorth 8% of last year's revenue, over about 3 months.₩1.3B
5/15KolonWorth 6.1% of last year's revenue.₩164B
5/15KolonGlobalWorth 6.1% of last year's revenue.₩164B
5/15AmendedYunsung F&CSingle sales/supply contract

Preliminary earnings 7

5/15Korean Reinsurance CompanyOperating profit ₩284B, up 142.1% YoY. Revenue ₩1.70T, up 9.3% YoY.₩284B
5/15HANMI SemiconductorOperating profit ₩8.5B, down 87.9% YoY. Revenue ₩50.9B, down 65.5% YoY.₩8.5B
5/15MIRAE ASSET Life InsuranceOperating profit ₩68.4B, up 73.8% YoY. Revenue ₩2.80T, up 159.5% YoY.₩68.4B
5/15MIRAE ASSET Life InsuranceOperating profit ₩63.8B, up 62.5% YoY. Revenue ₩2.74T, up 159.8% YoY.₩63.8B
5/15DB InsuranceOperating profit ₩463B, down 28.5% YoY. Revenue ₩5.78T, up 16.2% YoY.₩463B
5/15Hyundaimarine&fireinsuranceOperating profit ₩309B, up 8.5% YoY. Revenue ₩4.62T, up 10% YoY.₩309B
5/15OrionPreliminary operating results

Insider trades 78

5/15Incar Financial ServiceInsider ownership report
5/15RaontechInsider ownership report
5/15DB SecuritiesInsider ownership report
5/15InkredibleBuzzInsider ownership report
5/15InkredibleBuzzInsider ownership report
5/15HyosungONBInsider ownership report
5/15Samick THKInsider ownership report
5/15Kolon TissueGeneInsider ownership report
5/15Bumhan Fuel CellInsider ownership report
5/15AtecInsider ownership report
5/15FaduInsider ownership report
5/15EcoGlowInsider ownership report
5/15NoulInsider ownership report
5/15DkmeInsider ownership report
5/15NovarexInsider ownership report
5/15CTKInsider ownership report
5/15NoulInsider ownership report
5/15OE SolutionsInsider ownership report
5/15D&D PharmatechInsider ownership report
5/15CurocellInsider ownership report
5/15SK hynixInsider ownership report
5/15NoulInsider ownership report
5/15NauroboticsInsider ownership report
5/15Hanatour ServiceInsider ownership report
5/15SimpacInsider ownership report
5/15CoxemInsider ownership report
5/15HumasisInsider ownership report
5/15AptocromInsider ownership report
5/15Kisan TelecomInsider ownership report
5/15Gaon CableInsider ownership report
5/15Hansol HoldingsInsider ownership report
5/15Gaon CableInsider ownership report
5/15Kisan TelecomInsider ownership report
5/15Daesung Microbiological Labs.Insider ownership report
5/15Daewoo Engineering & ConstructionInsider ownership report
5/15Intellian TechnologiesInsider ownership report
5/15AptocromInsider ownership report
5/15UnickInsider ownership report
5/15KTInsider ownership report
5/15Kisan TelecomInsider ownership report
All insider trades →

5% holders 62

5/15New 5%Cosmo RoboticsA major holder's stake rose from 0.00% to 15.14%.15.14%
5/15New 5%LumirA major holder's stake rose from 0.00% to 9.19% (conversion/exercise).9.19%
5/15New 5%Nexa DynamicsA major holder's stake rose from 0.00% to 7.06% (conversion/exercise).7.06%
5/15New 5%GnCenergyA major holder's stake rose from 0.00% to 5.98%.5.98%
5/15Below 5%GMI VentureA major holder's stake fell from 8.94% to 0.00%.0.00%
5/15Below 5%AutechA major holder's stake fell from 6.01% to 0.00%.0.00%
5/15PavonineA major holder's stake fell from 16.39% to 10.73% (off-market sale).10.73%
5/15AptocromA major holder's stake rose from 80.49% to 85.77% (rights offering).85.77%
5/15AmendedBelow 5%VitzroSys.A major holder's stake fell from 9.10% to 4.77% (conversion/exercise).4.77%
5/15Below 5%PavonineA major holder's stake fell from 5.59% to 1.35%.1.35%
5/15Dasan DMCA major holder's stake fell from 66.18% to 62.53% (related-party change).62.53%
5/15SGA SolutionsA major holder's stake fell from 11.67% to 9.10% (conversion/exercise).9.10%
5/15Dawon NexviewA major holder's stake fell from 40.25% to 38.03% (related-party change).38.03%
5/15IntekplusA major holder's stake fell from 15.28% to 13.28% (related-party change).13.28%
5/15CasA major holder's stake rose from 32.71% to 34.64%.34.64%
5/15HumasisA major holder's stake rose from 14.84% to 16.31% (open-market buy).16.31%
5/15TBH GlobalA major holder's stake rose from 49.78% to 51.22% (related-party change).51.22%
5/15AprogenA major holder's stake fell from 73.28% to 71.98% (conversion/exercise).71.98%
5/15Seondo ElectricA major holder's stake fell from 25.48% to 24.26%.24.26%
5/15HanWool & JejuA major holder's stake fell from 49.02% to 47.97% (open-market sale).47.97%
5/15Samick Musical InstrumentsA major holder's stake rose from 45.05% to 46.06% (pledge).46.06%
5/15GeneBioTechA major holder's stake rose from 16.14% to 17.15%.17.15%
5/15NovarexA major holder's stake rose from 31.13% to 32.02% (open-market buy).32.02%
5/15HLB innoVationA major holder's stake rose from 35.68% to 36.46% (open-market buy).36.46%
5/15OE SolutionsA major holder's stake fell from 23.99% to 23.35% (open-market sale).23.35%
5/15SytsA major holder's stake rose from 57.97% to 58.58%.58.58%
5/15NoulA major holder's stake fell from 18.71% to 18.13%.18.13%
5/15Mobase ElectronicsA major holder's stake fell from 46.92% to 46.45% (open-market buy).46.45%
5/15ZGOO HoldingsA major holder's stake fell from 51.03% to 50.65% (open-market sale).50.65%
5/15Pentastone ElectronicsA major holder's stake rose from 26.93% to 27.25% (pledge).27.25%
5/15Seobu T&DA major holder's stake fell from 49.75% to 49.43% (pledge).49.43%
5/15MKElectronA major holder's stake fell from 34.06% to 33.76% (related-party change).33.76%
5/15THE E&MA major holder's stake rose from 24.74% to 24.90% (conversion/exercise).24.90%
5/15EyeGeneA major holder's stake rose from 29.80% to 29.94% (related-party change).29.94%
5/15SocarA major holder's stake fell from 47.24% to 47.14% (open-market buy).47.14%
5/15WaviceA major holder's stake fell from 22.56% to 22.50% (open-market sale).22.50%
5/15Incar Financial ServiceA major holder's stake rose from 43.10% to 43.15%.43.15%
5/15Bookook SecuritiesA major holder's stake rose from 34.66% to 34.71% (related-party change).34.71%
5/15Fasoo AIA major holder's stake fell from 19.54% to 19.50% (pledge).19.50%
5/15Wonik IPSA major holder's stake fell from 32.98% to 32.95% (open-market sale).32.95%
All 5% holders →

Buybacks 1

5/15TrustAsia Paper ManufacturingSigned a ₩5B trust contract to buy back shares.₩5B

Share issues & bonds 19

5/15AmendedCBEcoGlowConversion price ₩3,420; if all converted, equal to 21% of shares outstanding.₩9.5B
5/15AmendedCBBlue Industrial DevelopmentConversion price ₩7,497; if all converted, equal to 18.4% of shares outstanding.₩8B
5/15Rights offeringYujin RobotIssuing 723,334 sh of new shares, equal to 1.9% of existing shares.₩17.3B
5/15CBLightron Fiber-Optic DevicesConversion price ₩5,769; if all converted, equal to 1.4% of shares outstanding.₩8B
5/15ItoxiRights offering
5/15AmendedAprogenRights offering
5/15AmendedGeneOne Life ScienceRights offering
5/15AmendedAptnRights offering
5/15LB SemiconRights offering
5/15AmendedAptnConvertible bond issue
5/15AmendedGMI VentureCapital reduction
5/15AmendedHanWool SemiconductorRights offering
5/15ToolGen IncorporatedRights offering
5/15AmendedHanWool SemiconductorRights offering
5/15AmendedItoxiRights offering
5/15AmendedItoxiRights offering
5/15AmendedDaejin Advanced MaterialsConvertible bond issue
5/15AribiolabConvertible bond issue
5/15AmendedVesselConvertible bond issue

M&A & spin-offs 4

5/15AmendedKGAA ₩10.5B deal, equal to 10.3% of total assets.₩10.5B
5/15AmendedSKCBusiness transfer
5/15Daea TITangible asset deal
5/15nTelsStake acquisition/disposal

Exchange actions 21

5/15PclAdministrative issue
5/15InkredibleBuzzUnfaithful disclosure
5/15CSA CosmicUnfaithful disclosure
5/15EOFlowExchange
5/15Lithium-for-earthCapital reduction
5/15Dilli Illustrate Inc.,Trading halt
5/15Point EngineeringTrading halt
5/15HLB Life ScienceTrading halt
5/15Cnt85Trading halt
5/15VitzroSys.Trading halt
5/15HLB bioStepTrading halt
5/15DSMTrading halt
5/15SGA SolutionsTrading halt
5/15WinpacTrading halt
5/15KodiTrading halt
5/15OlipassExchange
5/15EOFlowTrading halt
5/15EOFlowExchange
5/15CelestraExchange
5/15CelestraTrading halt
5/15STX Green LogisUnfaithful disclosure