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Key filings, January 26, 2026

394 filings · 9 highlights
← January 23, 2026January 27, 2026 →

Supply contracts 10

1/26DITWorth 27.2% of last year's revenue, over about 6 months.₩31.7B
1/26AmendedSamil EnterpriWorth 20.9% of last year's revenue, over about 20 months.₩23.6B
1/26AmendedHeng Sheng Holding Group CompanyWorth 14.6% of last year's revenue, over about 12 months.₩12.9B
1/26FiberproWorth 13.8% of last year's revenue, over about 46 months.₩4.6B
1/26Korea Computer & SystemsWorth 10.7% of last year's revenue, over about 36 months.₩3.1B
1/26AmendedAuros TechnologyWorth 10.5% of last year's revenue, over about 29 months.₩4.8B
1/26TESWorth 8.2% of last year's revenue, over about 1 month.₩19.7B
1/26AmendedChinhung InternationalWorth 6.5% of last year's revenue, over about 98 months.₩37.5B
1/26AmendedKCC Engineering & ConstructionWorth 6.4% of last year's revenue, over about 69 months.₩122B
1/26AmendedKolonGlobalWorth 2.9% of last year's revenue, over about 96 months.₩96.2B

Preliminary earnings 15

1/26Swung to lossAekyung IndustrialOperating profit: swung to loss (₩3.3B → -₩3.4B). Revenue ₩163B, down 4.8% YoY.-₩3.4B
1/26RF MaterialsOperating profit ₩2.7B, up 554.7% YoY. Revenue ₩20.9B, up 40.8% YoY.₩2.7B
1/26RfhicOperating profit ₩11.1B, up 349.8% YoY. Revenue ₩68.6B, up 77.5% YoY.₩11.1B
1/26ProtiaOperating profit ₩1.1B, up 100.4% YoY. Revenue ₩4.5B, up 54.2% YoY.₩1.1B
1/26S-OilOperating profit ₩424B, up 90.9% YoY. Revenue ₩8.79T, down 1.4% YoY.₩424B
1/26GC Medical ScienceOperating profit ₩390M, down 59.8% YoY. Revenue ₩25B, down 9.7% YoY.₩390M
1/26Samsung Epis HoldingsOperating profit ₩29.2B, down 59.6% YoY. Revenue ₩429B, up 8.1% YoY.₩29.2B
1/26AmendedUnidOperating profit ₩7.6B, down 38.7% YoY. Revenue ₩346B, up 25.7% YoY.₩7.6B
1/26UnidOperating profit ₩7.6B, down 38.7% YoY. Revenue ₩346B, up 25.7% YoY.₩7.6B
1/26LG InnotekOperating profit ₩325B, up 31% YoY. Revenue ₩7.61T, up 14.8% YoY.₩325B
1/26RF SystemsOperating profit ₩1.6B, up 20.4% YoY. Revenue ₩13.5B, up 19.1% YoY.₩1.6B
1/26Loss widenedGraphyOperating profit: loss widened (-₩1.1B → -₩1.1B). Revenue ₩10.4B, up 53.4% YoY.-₩1.1B
1/26Samsung Epis HoldingsOperating profit -₩63.6B. Revenue ₩252B.-₩63.6B
1/26Haesung DSPreliminary operating results
1/26Loss widenedXi S&DOperating profit: loss widened (-₩1.8B → -₩2.5B). Revenue ₩335B, down 10.6% YoY.-₩2.5B

Insider trades 45

1/26MobidaysInsider ownership report
1/26Samsung Special Purpose Acquisition 13 CompanyInsider ownership report
1/26MOTInsider ownership report
1/26MOTInsider ownership report
1/26MOTInsider ownership report
1/26MOTInsider ownership report
1/26TruenInsider ownership report
1/26UnickInsider ownership report
1/26Hanjoo ARTInsider ownership report
1/26KG ChemicalInsider ownership report
1/26BioPlusInsider ownership report
1/26DNFInsider ownership report
1/26NovarexInsider ownership report
1/26MegatouchInsider ownership report
1/26Exicure HitronInsider ownership report
1/26Korean AIR LinesInsider ownership report
1/26Seah HoldingsInsider ownership report
1/26Exicure HitronInsider ownership report
1/26FinetekInsider ownership report
1/26LS SecuritiesInsider ownership report
1/26STIC InvestmentsInsider ownership report
1/26OptiCoreInsider ownership report
1/26STIC InvestmentsInsider ownership report
1/26Samsung Electronics Co,Insider ownership report
1/26Seah HoldingsInsider ownership report
1/26Seah HoldingsInsider ownership report
1/26Seah HoldingsInsider ownership report
1/26SyntekaBioInsider ownership report
1/26Ipark Hyundai Development CompanyInsider ownership report
1/26Daewoong PharmaInsider ownership report
1/26InspienInsider ownership report
1/26OptiCoreInsider ownership report
1/26OptiCoreInsider ownership report
1/26CmtxInsider ownership report
1/26Samsung Electronics Co,Insider ownership report
1/26Com2usInsider ownership report
1/26APSInsider ownership report
1/26CMES RoboticsInsider ownership report
1/26KMInsider ownership report
1/26KMInsider ownership report
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5% holders 39

1/26New 5%Hanjoo ARTA major holder's stake rose from 0.00% to 21.11% (rights offering).21.11%
1/26Below 5%MsdiA major holder's stake fell from 29.35% to 1.03%.1.03%
1/26New 5%QuantaMatrix IncorporatedA major holder's stake rose from 0.00% to 13.43% (new report).13.43%
1/26New 5%Samsung Special Purpose Acquisition 13 CompanyA major holder's stake rose from 0.00% to 12.05% (new report).12.05%
1/26New 5%Samsung Special Purpose Acquisition 13 CompanyA major holder's stake rose from 0.00% to 10.20%.10.20%
1/26New 5%Seoho ElectricA major holder's stake rose from 0.00% to 9.99%.9.99%
1/26New 5%Hans BiomedA major holder's stake rose from 0.00% to 9.26% (new report).9.26%
1/26New 5%DkmeA major holder's stake rose from 3.88% to 8.46% (open-market buy).8.46%
1/26QuantaMatrix IncorporatedA major holder's stake fell from 30.51% to 16.38% (related-party change).16.38%
1/26Below 5%Hans BiomedA major holder's stake fell from 13.21% to 0.00% (open-market buy).0.00%
1/26New 5%SK TelecomA major holder's stake rose from 4.92% to 5.01%.5.01%
1/26Seah HoldingsA major holder's stake fell from 80.68% to 74.83% (conversion/exercise).74.83%
1/26ViGenCellA major holder's stake fell from 21.56% to 15.88%.15.88%
1/26Below 5%Haesung OpticsA major holder's stake fell from 5.96% to 3.56% (open-market sale).3.56%
1/26Below 5%SemcnsA major holder's stake fell from 5.32% to 3.04% (open-market sale).3.04%
1/26Keeps BiopharmaA major holder's stake fell from 25.76% to 24.05% (pledge).24.05%
1/26KG ChemicalA major holder's stake rose from 53.08% to 54.52%.54.52%
1/26CSA CosmicA major holder's stake fell from 8.91% to 7.74% (pledge).7.74%
1/26DNFA major holder's stake rose from 30.13% to 31.17%.31.17%
1/26MeatBox GlobalA major holder's stake rose from 5.02% to 6.00%.6.00%
1/26Exicure HitronA major holder's stake fell from 7.51% to 6.70%.6.70%
1/26Exicure HitronA major holder's stake fell from 7.51% to 6.70% (conversion/exercise).6.70%
1/26OKins ElectronicsA major holder's stake fell from 16.99% to 16.35% (share lending).16.35%
1/26MobidaysA major holder's stake rose from 49.11% to 49.51%.49.51%
1/26FinetekA major holder's stake rose from 7.59% to 7.85%.7.85%
1/26InspienA major holder's stake rose from 73.85% to 74.11% (gift).74.11%
1/26SyntekaBioA major holder's stake rose from 15.10% to 15.32% (open-market buy).15.32%
1/26EM-Tech.A major holder's stake fell from 15.07% to 14.93% (share lending).14.93%
1/26DS DansukA major holder's stake rose from 39.96% to 40.10% (pledge).40.10%
1/26STIC InvestmentsA major holder's stake rose from 19.21% to 19.31% (open-market buy).19.31%
1/26Woori Technology, InA major holder's stake fell from 8.88% to 8.85% (pledge).8.85%
1/26APSA major holder's stake rose from 35.57% to 35.60% (open-market buy).35.60%
1/26RoboRoboA major holder's stake rose from 35.99% to 36.00% (open-market sale).36.00%
1/26NBTReport of 5%+ holding
1/26NovarexA major holder's stake rose from 31.13% to 31.13% (open-market buy).31.13%
1/26GeneOne Life ScienceReport of 5%+ holding
1/26DN AutomotiveA major holder's stake rose from 52.16% to 52.16% (related-party change).52.16%
1/26KCCA major holder's stake rose from 35.61% to 35.61% (pledge).35.61%
1/26AmendedMobiisA major holder's stake rose from 28.29% to 28.29% (related-party change).28.29%

Buybacks 10

1/26DisposalSamsung Electronics Co,Plans to dispose of 1,152,022 sh of treasury stock, Jan 26 to Jan 26.₩175B
1/26DisposalAztech WBPlans to dispose of 501,000 sh of treasury stock, Feb 26 to Feb 26.₩614.7M
1/26DisposalAztech WBPlans to dispose of 501,000 sh of treasury stock, Feb 26 to Feb 26.₩614.7M
1/26DisposalMetabiomedPlans to dispose of 108,387 sh of treasury stock, Jan 30 to Jan 30.₩508.9M
1/26DisposalIquestPlans to dispose of 168,100 sh of treasury stock, Jan 29 to Jan 29.₩290.3M
1/26DisposalDaekyoPlans to dispose of 107,730 sh of treasury stock, Jan 29 to Jan 30.₩127.3M
1/26Shinil ElectronicsShare cancellation
1/26Mirae Asset SecuritiesTreasury stock acquisition
1/26AmendedChokwang PaintTreasury stock disposal
1/26AjusteelTreasury stock disposal

Share issues & bonds 15

1/26Bonus issueMicube SolutionBonus issue of new shares equal to 200% of existing shares.10,075,860 sh
1/26AmendedU.i.displayCapital reduction
1/26Hyundai Steel CompanyRights offering
1/26Hyundai Steel CompanyRights offering
1/26XperixRights offering
1/26XperixRights offering
1/26AmendedAtumRights offering
1/26AjusteelExchangeable bond issue
1/26AmendedDHX CompanyRights offering
1/26AmendedGeneOne Life ScienceRights offering
1/26AmendedJS LinkRights offering
1/26AmendedParatech CompanyRights offering
1/26Paratech CompanyConvertible bond issue
1/26Paratech CompanyRights offering
1/26AmendedRN2 TechnologiesConvertible bond issue

M&A & spin-offs 1

1/26AmendedHarimMerger

Exchange actions 5

1/26Bucket StudioUnfaithful disclosure
1/26Hyundai FeedExchange
1/26Micube SolutionBonus issue
1/26Exicure HitronUnfaithful disclosure
1/26KctechUnfaithful disclosure