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Key filings, December 22, 2025

467 filings · 11 highlights
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Supply contracts 51

12/22AmendedNamkwang Engineering & ConstructionWorth 130.5% of last year's revenue, over about 96 months.₩205B
12/22AmendedSambu ConstructionWorth 72.5% of last year's revenue, over about 66 months.₩164B
12/22Shindo Eng. Lab.Worth 59.4% of last year's revenue, over about 15 months.₩6.3B
12/22AmendedHanwha AerospaceWorth 50% of last year's revenue, over about 75 months.₩3.20T
12/22Hanwha AerospaceWorth 50% of last year's revenue, over about 75 months.₩3.20T
12/22MiraeWorth 37.7% of last year's revenue, over about 3 months.₩10.2B
12/22BHIWorth 36.9% of last year's revenue, over about 20 months.₩149B
12/22InswaveWorth 36% of last year's revenue, over about 15 months.₩11B
12/22AmendedDong-Ah Geological Engineering CompanyWorth 33.6% of last year's revenue, over about 134 months.₩103B
12/22AmendedKorea LineWorth 29.3% of last year's revenue, over about 126 months.₩157B
12/22Samsung BiologicsWorth 24.4% of last year's revenue, over about 60 months.₩1.11T
12/22AmendedFlittoWorth 20.9% of last year's revenue, over about 13 months.₩4.2B
12/22AmendedFlittoWorth 20.9% of last year's revenue, over about 13 months.₩4.2B
12/22AmendedSatrecInitiativeWorth 19.3% of last year's revenue, over about 75 months.₩13.5B
12/22AmendedHL HoldingsWorth 18.4% of last year's revenue, over about 68 months.₩243B
12/22AmendedHL D&I HallaWorth 18.4% of last year's revenue, over about 68 months.₩243B
12/22Korea Engineering ConsultantsWorth 18.1% of last year's revenue.₩72B
12/22AmendedDongbuWorth 17.9% of last year's revenue, over about 106 months.₩105B
12/22AmendedPemtronWorth 17.6% of last year's revenue, over about 6 months.₩10B
12/22Camus Engineering & ConstructionWorth 17.1% of last year's revenue, over about 23 months.₩44.6B
12/22Cheryong ElectricWorth 16.8% of last year's revenue, over about 24 months.₩44.1B
12/22AmendedGreen ResourceWorth 16.2% of last year's revenue, over about 24 months.₩2.7B
12/22Korea Aerospace IndustriesWorth 13.9% of last year's revenue, over about 32 months.₩503B
12/22AmendedST PharmWorth 13.5% of last year's revenue, over about 17 months.₩38.5B
12/22AmendedDong-A PharmaceuticalWorth 13.5% of last year's revenue, over about 17 months.₩38.5B
12/22GS Engineering & ConstructionWorth 12.8% of last year's revenue.₩1.64T
12/22HS HwasungWorth 12.6% of last year's revenue.₩77.4B
12/22AmendedKorea LineWorth 11.7% of last year's revenue, over about 124 months.₩62.4B
12/22AmendedKCC Engineering & ConstructionWorth 11.5% of last year's revenue, over about 63 months.₩219B
12/22AmendedKyungchangIndustrialWorth 11.3% of last year's revenue, over about 89 months.₩68B
12/22AmendedHD-Hyundai Marine EngineWorth 10.8% of last year's revenue, over about 26 months.₩19.3B
12/22AmendedKorea Electronic Power Industrial DevelopmentWorth 10.7% of last year's revenue, over about 123 months.₩39.3B
12/22AmendedSambu ConstructionWorth 10.4% of last year's revenue, over about 55 months.₩37.1B
12/22AmendedBoditech MedWorth 10% of last year's revenue, over about 36 months.₩15.8B
12/22AmendedHJ Shipbuilding & ConstructionWorth 9.5% of last year's revenue, over about 84 months.₩162B
12/22ThinkwareSystemsWorth 8.9% of last year's revenue, over about 9 months.₩43.6B
12/22AmendedIlsung ConstructionWorth 8.1% of last year's revenue, over about 26 months.₩37.7B
12/22AmendedHJ Shipbuilding & ConstructionWorth 6.5% of last year's revenue, over about 87 months.₩109B
12/22Hyundai-RotemWorth 5.9% of last year's revenue, over about 41 months.₩259B
12/22HD Hyundai ElectricWorth 5.5% of last year's revenue, over about 15 months.₩181B
All supply contracts →

Preliminary earnings 1

12/22Korea District HeatingPreliminary operating results

Insider trades 56

12/22Blue Industrial DevelopmentInsider ownership report
12/22A Plus Asset AdvisorInsider ownership report
12/22A Plus Asset AdvisorInsider ownership report
12/22A Plus Asset AdvisorInsider ownership report
12/22DeepnoidInsider ownership report
12/22Seoul ViosysInsider ownership report
12/22DeepnoidInsider ownership report
12/22HeunguOilInsider ownership report
12/22Meritz No.1 Special Purpose Acquisition CompanyInsider ownership report
12/22Korea Real Estate Investment & TrustInsider ownership report
12/22Korea Real Estate Investment & TrustInsider ownership report
12/22Korea Real Estate Investment & TrustInsider ownership report
12/22Chong Kun Dang PharmaceuticalInsider ownership report
12/22National Plastic CompanyInsider ownership report
12/22Korea Real Estate Investment & TrustInsider ownership report
12/22Miwon CommercialInsider ownership report
12/22DavolinkInsider ownership report
12/22Mirae Asset Vision Special Purpose Acquisition 11 CompanyInsider ownership report
12/22Daesung IndustrialInsider ownership report
12/22Kyeong Nam SteelInsider ownership report
12/22Daesung IndustrialInsider ownership report
12/22DoosanInsider ownership report
12/22MDS TechInsider ownership report
12/22HD Hyundai Marine SolutionInsider ownership report
12/22Ipark Hyundai Development CompanyInsider ownership report
12/22YoungoneInsider ownership report
12/22Lotte Tour DevelopmentInsider ownership report
12/22People & TechnologyInsider ownership report
12/22People & TechnologyInsider ownership report
12/22People & TechnologyInsider ownership report
12/22POSCO HoldingsInsider ownership report
12/22People & TechnologyInsider ownership report
12/22POSCO HoldingsInsider ownership report
12/22POSCO HoldingsInsider ownership report
12/22SawnicsInsider ownership report
12/22POSCO HoldingsInsider ownership report
12/22POSCO HoldingsInsider ownership report
12/22HC HomeCenterInsider ownership report
12/22Dongkuk HoldingsInsider ownership report
12/22IMBdxInsider ownership report
All insider trades →

5% holders 51

12/22New 5%CommaxA major holder's stake rose from 0.00% to 47.33%.47.33%
12/22New 5%Meritz No.1 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 21.35% (new report).21.35%
12/22New 5%TMCA major holder's stake rose from 0.00% to 13.95% (new report).13.95%
12/22New 5%Mirae Asset Vision Special Purpose Acquisition 11 CompanyA major holder's stake rose from 0.00% to 11.11% (new report).11.11%
12/22New 5%MsdiA major holder's stake rose from 0.00% to 10.20%.10.20%
12/22New 5%AcrylA major holder's stake rose from 0.00% to 8.32%.8.32%
12/22New 5%A Plus Asset AdvisorA major holder's stake rose from 4.99% to 12.14% (new report).12.14%
12/22New 5%IBKS No.25 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 6.31% (new report).6.31%
12/22New 5%DigitalChosunA major holder's stake rose from 0.00% to 6.05%.6.05%
12/22New 5%TLBA major holder's stake rose from 0.00% to 5.36% (new report).5.36%
12/22Seoul ViosysA major holder's stake rose from 66.82% to 77.74%.77.74%
12/22People & TechnologyA major holder's stake fell from 24.52% to 14.68%.14.68%
12/22DeepnoidA major holder's stake fell from 31.67% to 24.30% (rights offering).24.30%
12/22Below 5%Nara Space TechnologyA major holder's stake rose from 0.00% to 4.61% (new report).4.61%
12/22Kyeong Nam SteelA major holder's stake fell from 45.70% to 42.35% (gift).42.35%
12/22A Plus Asset AdvisorA major holder's stake fell from 30.23% to 27.46% (pledge).27.46%
12/22Korea United PharmA major holder's stake rose from 37.85% to 40.51%.40.51%
12/22Fine M-TecA major holder's stake fell from 32.88% to 31.02% (conversion/exercise).31.02%
12/22Aimed BioA major holder's stake fell from 16.51% to 15.09% (open-market buy).15.09%
12/22IntergisA major holder's stake fell from 56.06% to 55.27% (related-party change).55.27%
12/22KosesA major holder's stake fell from 50.39% to 49.71% (share lending).49.71%
12/22DavolinkA major holder's stake rose from 24.96% to 25.52% (related-party change).25.52%
12/22L&FA major holder's stake fell from 22.66% to 22.35% (pledge).22.35%
12/22Korea Real Estate Investment & TrustA major holder's stake rose from 35.46% to 35.73% (related-party change).35.73%
12/22ALTA major holder's stake rose from 29.46% to 29.63% (related-party change).29.63%
12/22AmendedBlue Industrial DevelopmentA major holder's stake fell from 6.97% to 6.84% (off-market buy).6.84%
12/22Chong Kun Dang PharmaceuticalA major holder's stake rose from 39.66% to 39.74% (open-market buy).39.74%
12/22Innocean WorldwideA major holder's stake fell from 28.79% to 28.72% (new report).28.72%
12/22NongshimA major holder's stake rose from 44.18% to 44.24%.44.24%
12/22CommaxA major holder's stake fell from 48.59% to 48.55% (pledge).48.55%
12/22HC BoKwang IndustryA major holder's stake rose from 68.68% to 68.69% (open-market buy).68.69%
12/22iM Financial GroupReport of 5%+ holding
12/22KoMiA major holder's stake rose from 41.10% to 41.10% (pledge).41.10%
12/22Hana MaterialsA major holder's stake rose from 45.19% to 45.19% (pledge).45.19%
12/22Chongkundang HoldingsA major holder's stake rose from 47.91% to 47.91% (pledge).47.91%
12/22HLB innoVationA major holder's stake rose from 36.97% to 36.97% (open-market buy).36.97%
12/22DongKoo Bio & PharmaA major holder's stake rose from 37.19% to 37.19% (pledge).37.19%
12/22ThinkwareSystemsA major holder's stake rose from 48.29% to 48.29% (pledge).48.29%
12/22KraftonA major holder's stake rose from 37.21% to 37.21% (open-market buy).37.21%
12/22EM-Tech.A major holder's stake rose from 15.07% to 15.07% (share lending).15.07%
All 5% holders →

Buybacks 16

12/22CancellationDB InsuranceCancels 1,416,000 sh, 2.00% of shares issued, on Dec 26.1,416,000 sh
12/22CancellationDongilTechnologyCancels 600,000 sh, 14.57% of shares issued, on Dec 31.600,000 sh
12/22AmendedDisposalKyungdongPharmPlans to dispose of 1,495,215 sh of treasury stock, Dec 24 to Dec 24.₩10B
12/22DisposalKorea United PharmPlans to dispose of 464,390 sh of treasury stock, Dec 23 to Dec 23.₩9.4B
12/22AmendedDisposalYoungwirePlans to dispose of 10,000,000 sh of treasury stock, Dec 26 to Dec 26.₩6.2B
12/22AmendedDisposalRorze SystemsPlans to dispose of 380,534 sh of treasury stock, Dec 23 to Dec 26.₩3.2B
12/22DisposalDongbang AgroPlans to dispose of 211,886 sh of treasury stock, Dec 23 to Dec 24.₩1.3B
12/22AmendedDisposalFinemedixPlans to dispose of 123,500 sh of treasury stock, Dec 30 to Dec 30.₩1.2B
12/22CancellationGabiaCancels 115,000 sh, 0.85% of shares issued, on Dec 29.115,000 sh
12/22DisposalHS HwasungPlans to dispose of 73,010 sh of treasury stock, Dec 23 to Dec 26.₩960.8M
12/22AmendedBuybackRS AutomationPlans to buy back 50,000 sh of treasury stock, Dec 23 to Mar 20.₩782.5M
12/22DisposalT&LPlans to dispose of 13,600 sh of treasury stock, Dec 23 to Dec 23.₩645.3M
12/22DisposalCubic KoreaPlans to dispose of 100,474 sh of treasury stock, Dec 23 to Dec 24.₩234.6M
12/22Rorze SystemsTreasury stock disposal
12/22Kye-Ryong Construction IndustrialTreasury stock disposal
12/22RS AutomationTreasury stock acquisition

Share issues & bonds 34

12/22Rights offeringDx & VxIssuing 49,210,000 sh of new shares, equal to 100% of existing shares.₩99.7B
12/22Bonus issueDaehan SteelBonus issue of new shares equal to 50% of existing shares.11,457,199 sh
12/22CBQuantaMatrix IncorporatedConversion price ₩4,329; if all converted, equal to 29.8% of shares outstanding.₩36B
12/22Rights offeringNuonIssuing 12,000,000 sh of new shares, equal to 23.2% of existing shares.₩12B
12/22AmendedRights offeringFine TechnixIssuing 3,602,306 sh of new shares, equal to 21.2% of existing shares.₩5B
12/22AmendedRights offeringHydro LithiumIssuing 2,328,314 sh of new shares, equal to 4.3% of existing shares.₩4B
12/22AmendedRights offeringEpisode CompanyIssuing 255,427 sh of new shares, equal to 2.5% of existing shares.₩1000M
12/22AmendedQurientRights offering
12/22AmendedHanwha AerospaceRights offering
12/22AmendedHanwha OceanRights offering
12/22AmendedHanwha AerospaceRights offering
12/22AmendedHanwha SolutionsRights offering
12/22AmendedHanwha SystemsRights offering
12/22AmendedEBFinemedixExchange price ₩9,532; if all exchanged, equal to 2.2% of shares outstanding.₩1.2B
12/22AmendedNKGen Biotech KoreaCapital reduction
12/22AmendedNeoriginRights offering
12/22AmendedARIBIO HoldingsConvertible bond issue
12/22AmendedCarryRights offering
12/22AmendedEBYoungwireExchange price ₩620; if all exchanged, equal to 9.9% of shares outstanding.₩6.2B
12/22J Steel Company HoldingsRights offering
12/22SensorviewRights offering
12/22DHX CompanyRights offering
12/22AmendedExion Group CompanyConvertible bond issue
12/22AmendedHanWool SemiconductorConvertible bond issue
12/22MoadataRights offering
12/22AmendedHanWool SemiconductorConvertible bond issue
12/22MoadataConvertible bond issue
12/22AmendedCSA CosmicRights offering
12/22DYDRights offering
12/22DrtechRights offering
12/22AmendedEBKyungdongPharmExchange price ₩6,688; if all exchanged, equal to 4.9% of shares outstanding.₩10B
12/22Global Tax FreeRights offering
12/22AmendedICHRights offering
12/22AmendedKS IndustryRights offering

M&A & spin-offs 4

12/22AmendedFescaroA ₩5B deal, equal to 12.9% of total assets.₩5B
12/22Pond GroupMerger
12/22FescaroStake acquisition/disposal
12/22KNR SystemsMerger

Exchange actions 3

12/22FaduExchange
12/22Exion Group CompanyUnfaithful disclosure
12/22Daehan SteelTrading halt