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Key filings, December 16, 2025

1,378 filings · 8 highlights
← December 15, 2025December 17, 2025 →

Supply contracts 22

12/16JAS RoboticsWorth 56.7% of last year's revenue, over about 20 months.₩36.1B
12/16Intellian TechnologiesWorth 33.5% of last year's revenue, over about 26 months.₩86.4B
12/16Doosan EnerbilityWorth 30.4% of last year's revenue, over about 148 months.₩4.93T
12/16AmendedSOS LABWorth 24.4% of last year's revenue, over about 11 months.₩1B
12/16AmendedSamho DevelopmentWorth 21.8% of last year's revenue, over about 55 months.₩79.1B
12/16AmendedSambu ConstructionWorth 20.4% of last year's revenue, over about 83 months.₩77.4B
12/16AmendedISU Specialty ChemicalWorth 19.6% of last year's revenue, over about 15 months.₩23B
12/16AmendeddotmillWorth 16.5% of last year's revenue, over about 12 months.₩3.9B
12/16NatureandEnvironmentWorth 15.6% of last year's revenue, over about 15 months.₩6.3B
12/16IVIM TechnologyWorth 15.3% of last year's revenue, over about 2 months.₩544.1M
12/16AmendedSebo Manufacturing EngineeringWorth 15.1% of last year's revenue, over about 18 months.₩132B
12/16AmendedSTrafficWorth 14.7% of last year's revenue, over about 57 months.₩19.4B
12/16AmendedSeAH Steel HoldingsWorth 11.5% of last year's revenue, over about 50 months.₩172B
12/16AmendedSeAH SteelWorth 11.5% of last year's revenue, over about 50 months.₩172B
12/16AmendedInveniaWorth 11.5% of last year's revenue, over about 83 months.₩19.8B
12/16AmendedDaewoo Engineering & ConstructionWorth 7.1% of last year's revenue, over about 76 months.₩618B
12/16AmendedGC BiopharmaWorth 7.1% of last year's revenue, over about 60 months.₩122B
12/16AmendedIpark Hyundai Development CompanyWorth 5.9% of last year's revenue, over about 114 months.₩317B
12/16AmendedKye-Ryong Construction IndustrialWorth 4.9% of last year's revenue, over about 64 months.₩145B
12/16Doosan EnerbilityWorth 4.4% of last year's revenue, over about 148 months.₩711B
12/16Samsung SDSWorth 3.6% of last year's revenue, over about 12 months.₩502B
12/16Hanwha AerospaceSingle sales/supply contract

Preliminary earnings 3

12/16HD Hyundai Heavy IndustriesPreliminary operating results
12/16HD Korea Shipbuilding & Offshore EngineeringPreliminary operating results
12/16OrionPreliminary operating results

Insider trades 47

12/16T ScientificInsider ownership report
12/16SY Dong-AInsider ownership report
12/16EgisInsider ownership report
12/16HD Hyundai ElectricInsider ownership report
12/16Daelim TradingInsider ownership report
12/16DigiCAPInsider ownership report
12/16NH Investment & SecuritiesInsider ownership report
12/16Inventage LabInsider ownership report
12/16H&SHigh TechInsider ownership report
12/16EgisInsider ownership report
12/16Satoshi HoldingsInsider ownership report
12/16WoojinInsider ownership report
12/16EgisInsider ownership report
12/16WoojinInsider ownership report
12/16EgisInsider ownership report
12/16WoojinInsider ownership report
12/16Wonik CubeInsider ownership report
12/16WoojinInsider ownership report
12/16Kiwoom Hero No.1 Special Purpose Acquisition CompanyInsider ownership report
12/16AdbiotechInsider ownership report
12/16Kt&gInsider ownership report
12/16EgisInsider ownership report
12/16EgisInsider ownership report
12/16Seoul Food INDInsider ownership report
12/16DSR WireInsider ownership report
12/16Cafe24Insider ownership report
12/16Samsung Electro-MechanicsInsider ownership report
12/16Dongkuk Coated MetalInsider ownership report
12/16Teraview HoldingsInsider ownership report
12/16Teraview HoldingsInsider ownership report
12/16Kukdong OIL & ChemicalsInsider ownership report
12/16DAE HWA PharmInsider ownership report
12/16Kukdong OIL & ChemicalsInsider ownership report
12/16Kukdong OIL & ChemicalsInsider ownership report
12/16Kukdong OIL & ChemicalsInsider ownership report
12/16Teraview HoldingsInsider ownership report
12/16Kukdong OIL & ChemicalsInsider ownership report
12/16Kukdong OIL & ChemicalsInsider ownership report
12/16Teraview HoldingsInsider ownership report
12/16Kukdong OIL & ChemicalsInsider ownership report
All insider trades →

5% holders 42

12/16New 5%EgisA major holder's stake rose from 0.00% to 66.61%.66.61%
12/16New 5%Teraview HoldingsA major holder's stake rose from 0.00% to 51.12% (new report).51.12%
12/16New 5%DYAA major holder's stake rose from 0.00% to 43.23% (new report).43.23%
12/16Below 5%DYAA major holder's stake fell from 42.56% to 0.00%.0.00%
12/16New 5%Kiwoom Hero No.1 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 18.56% (new report).18.56%
12/16New 5%Mgen SolutionsA major holder's stake rose from 0.00% to 13.00% (conversion/exercise).13.00%
12/16New 5%Eugene Special Purpose Acquisition 12 CompanyA major holder's stake rose from 0.00% to 10.60% (new report).10.60%
12/16New 5%Kiwoom Hero No.1 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 7.31% (new report).7.31%
12/16New 5%Zenix RoboticsA major holder's stake rose from 0.00% to 6.29% (conversion/exercise).6.29%
12/16New 5%QuadMedicineA major holder's stake rose from 0.00% to 5.41% (open-market sale).5.41%
12/16New 5%Trinity AirwaysA major holder's stake rose from 0.00% to 5.34% (new report).5.34%
12/16New 5%PharmaResearchA major holder's stake rose from 0.00% to 5.31% (new report).5.31%
12/16Copus KoreaA major holder's stake fell from 47.08% to 39.83% (share lending).39.83%
12/16Below 5%Satoshi HoldingsA major holder's stake fell from 5.83% to 0.64% (conversion/exercise).0.64%
12/16Parataxis KoreaA major holder's stake fell from 53.71% to 49.34% (related-party change).49.34%
12/16GabiaA major holder's stake rose from 9.03% to 12.32%.12.32%
12/16NuriplanA major holder's stake fell from 11.68% to 8.47% (off-market sale).8.47%
12/16Satoshi HoldingsA major holder's stake rose from 37.68% to 39.97% (conversion/exercise).39.97%
12/16Below 5%Nexa DynamicsA major holder's stake fell from 6.43% to 4.41% (open-market sale).4.41%
12/16T-RoboticsA major holder's stake fell from 20.62% to 18.80% (pledge).18.80%
12/16AmendedViGenCellA major holder's stake fell from 7.64% to 5.92%.5.92%
12/16Below 5%InnotechA major holder's stake fell from 5.52% to 4.28%.4.28%
12/16Intelligent Digital Integrated SecurityA major holder's stake rose from 50.83% to 51.92% (open-market buy).51.92%
12/16Below 5%ViGenCellA major holder's stake fell from 5.92% to 4.89% (open-market sale).4.89%
12/16Eusu HoldingsA major holder's stake rose from 14.21% to 15.23%.15.23%
12/16Dx & VxA major holder's stake rose from 7.13% to 8.14%.8.14%
12/16Seoul Food INDA major holder's stake rose from 18.63% to 19.29%.19.29%
12/16SV InvestmentA major holder's stake fell from 26.89% to 26.30%.26.30%
12/16Below 5%KG MobilityA major holder's stake fell from 5.48% to 4.95% (open-market sale).4.95%
12/16Below 5%ALTA major holder's stake fell from 5.14% to 4.88% (conversion/exercise).4.88%
12/16DigiCAPA major holder's stake rose from 45.18% to 45.37% (open-market buy).45.37%
12/16WoojinA major holder's stake rose from 31.65% to 31.83% (pledge).31.83%
12/16FormetalA major holder's stake rose from 35.30% to 35.41% (open-market buy).35.41%
12/16SY Dong-AA major holder's stake rose from 43.50% to 43.50%.43.50%
12/16FingerA major holder's stake rose from 29.41% to 29.41%.29.41%
12/16Hanmi ScienceA major holder's stake rose from 18.97% to 18.97% (pledge).18.97%
12/16Hanmi ScienceA major holder's stake rose from 18.97% to 18.97% (pledge).18.97%
12/16Camus Engineering & ConstructionA major holder's stake rose from 53.64% to 53.64% (pledge).53.64%
12/16AmendedIS DongseoA major holder's stake rose from 55.90% to 55.90%.55.90%
12/16Eco&DreamA major holder's stake rose from 15.31% to 15.31% (open-market buy).15.31%
All 5% holders →

Buybacks 13

12/16CancellationMisto HoldingsCancels 7,003,999 sh, 11.65% of shares issued, on Dec 23.7,003,999 sh
12/16BuybackMisto HoldingsPlans to buy back 230,680 sh of treasury stock, Dec 17 to Mar 16.₩10B
12/16DisposalMgamePlans to dispose of 600,000 sh of treasury stock, Dec 17 to Dec 26.₩4B
12/16AmendedDisposalSeouLinBiosciencePlans to dispose of 420,000 sh of treasury stock, Dec 19 to Dec 19.₩3.3B
12/16BuybackDongilTechnologyPlans to buy back 200,000 sh of treasury stock, Dec 17 to Mar 16.₩2.9B
12/16CancellationMgameCancels 341,303 sh, 1.75% of shares issued, on Dec 30.341,303 sh
12/16TrustSingsongholdingsEnded a share buyback trust contract.₩1B
12/16DisposalKorchipPlans to dispose of 15,000 sh of treasury stock, Dec 16 to Dec 31.₩224.1M
12/16DisposalDong SUH CompaniesPlans to dispose of 3,397 sh of treasury stock, Dec 17 to Dec 30.₩96.3M
12/16DisposalH.pioPlans to dispose of 12,577 sh of treasury stock, Dec 31 to Dec 31.₩30M
12/16SGTreasury stock disposal
12/16AmendedTHE Willbes &Treasury stock disposal
12/16KyungdongPharmTreasury stock disposal

Share issues & bonds 20

12/16Bonus issueJW ShinyakBonus issue of new shares equal to 5% of existing shares.2,660,977 sh
12/16AmendedITM SemiconductorRights offering
12/16AmendedNICE HoldingsRights offering
12/16Keyang Electric MachineryRights offering
12/16NaverRights offering
12/16MedipostConvertible bond issue
12/16AmendedCSA CosmicRights offering
12/16AmendedEBSeouLinBioscienceExchange price ₩7,941; if all exchanged, equal to 4.6% of shares outstanding.₩3.3B
12/16AmendedTHE Willbes &Rights offering
12/16AmendedEcoGlowConvertible bond issue
12/16SGExchangeable bond issue
12/16AmendedTHE Willbes &Rights offering
12/16AmendedCopus KoreaRights offering
12/16AmendedKorea ZRights offering
12/16KyungdongPharmExchangeable bond issue
12/16AmendedPrestige BiologicsConvertible bond issue
12/16AmendedSigetronicsRights offering
12/16AmendedSungwon Ener TechRights offering
12/16MsdiRights offering
12/16MsdiRights offering

M&A & spin-offs 3

12/16CaelumMerger
12/16WooDeumGee FarmMerger
12/16CaelumMerger

Exchange actions 6

12/16CommaxExchange
12/16Agent AISpin-off / split
12/16Jeil M&STrading halt
12/16PNC TechnologiesUnfaithful disclosure
12/16Daewoo Engineering & ConstructionTrading halt
12/16Misto HoldingsTrading halt