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Key filings, March 3, 2026

704 filings · 11 highlights
← February 27, 2026March 4, 2026 →

Supply contracts 9

3/3GigaVisWorth 41.8% of last year's revenue, over about 9 months.₩10.9B
3/3AmendedVitzroSys.Worth 22.6% of last year's revenue, over about 12 months.₩5.8B
3/3Nara Space TechnologyWorth 22% of last year's revenue, over about 12 months.₩945.8M
3/3BITComputerWorth 17% of last year's revenue, over about 12 months.₩6.3B
3/3AmendedVina TechWorth 17% of last year's revenue, over about 7 months.₩10.1B
3/3SmecWorth 11% of last year's revenue, over about 7 months.₩22.1B
3/3Cowin RoboticsWorth 8.3% of last year's revenue, over about 8 months.₩20.4B
3/3AmendedDaewoo Engineering & ConstructionWorth 4.7% of last year's revenue, over about 109 months.₩547B
3/3Kye-Ryong Construction IndustrialWorth 2.8% of last year's revenue.₩88.2B

Preliminary earnings 8

3/3DentiumOperating profit ₩26.5B, down 2.5% YoY. Revenue ₩109B, down 8.1% YoY.₩26.5B
3/3i3systemOperating profit ₩3.8B, up 2.3% YoY. Revenue ₩28.5B, down 4.9% YoY.₩3.8B
3/3AmendedLoss narrowedDaol Investment & SecuritiesOperating profit: loss narrowed (-₩45B → -₩3.4B). Revenue ₩473B, down 4.7% YoY.-₩3.4B
3/3Lotte Tour DevelopmentPreliminary operating results
3/3KIAPreliminary operating results
3/3AmendedLoss narrowedLotte Energy MaterialsOperating profit: loss narrowed (-₩40.1B → -₩33.8B). Revenue ₩171B, down 8.3% YoY.-₩33.8B
3/3Hyundai MotorPreliminary operating results
3/3KG MobilityPreliminary operating results

Insider trades 65

3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3S2wInsider ownership report
3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3S2wInsider ownership report
3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3TemcInsider ownership report
3/3S2wInsider ownership report
3/3S2wInsider ownership report
3/3S2wInsider ownership report
3/3S2wInsider ownership report
3/3RemedInsider ownership report
3/3S-PrismInsider ownership report
3/3Narae NanotechInsider ownership report
3/3Daehan ShipbuildingInsider ownership report
3/3Daehan ShipbuildingInsider ownership report
3/3Daehan ShipbuildingInsider ownership report
3/3Daehan ShipbuildingInsider ownership report
3/3KespionInsider ownership report
3/3Daehan ShipbuildingInsider ownership report
3/3NauroboticsInsider ownership report
3/3Daehan ShipbuildingInsider ownership report
3/3NauroboticsInsider ownership report
3/3AmicogenInsider ownership report
3/3Daehan ShipbuildingInsider ownership report
3/3QuantumRailInsider ownership report
3/3Samsung Electronics Co,Insider ownership report
3/3Vina TechInsider ownership report
3/3Vina TechInsider ownership report
3/3Hanmi Pharm.Insider ownership report
3/3C&G Hi TechInsider ownership report
3/3Hansol ChemicalInsider ownership report
3/3CJ LogisticsInsider ownership report
3/3AmicogenInsider ownership report
All insider trades →

5% holders 71

3/3New 5%Korea Cable T.v Chung-Buk SystemA major holder's stake rose from 0.00% to 14.01%.14.01%
3/3New 5%FoodnamooA major holder's stake rose from 0.00% to 8.27% (off-market buy).8.27%
3/3New 5%Mgen SolutionsA major holder's stake rose from 0.00% to 5.16% (conversion/exercise).5.16%
3/3New 5%ActroA major holder's stake rose from 4.62% to 5.08%.5.08%
3/3QuantumRailA major holder's stake fell from 22.93% to 12.70% (pledge).12.70%
3/3New 5%HLBBlackRock's stake rose from 4.97% to 5.01%.5.01%
3/3S-PrismA major holder's stake fell from 42.10% to 35.00%.35.00%
3/3NBR MotionA major holder's stake fell from 12.24% to 6.21% (open-market sale).6.21%
3/3Below 5%Medy-ToxA major holder's stake fell from 5.88% to 0.89% (conversion/exercise).0.89%
3/3AstaA major holder's stake rose from 33.77% to 38.62% (rights offering).38.62%
3/3Below 5%CU Medical SystemsA major holder's stake fell from 7.13% to 2.54%.2.54%
3/3AltonA major holder's stake fell from 46.99% to 43.37% (open-market buy).43.37%
3/3Below 5%Dae Myoung EnergyA major holder's stake fell from 7.30% to 4.33%.4.33%
3/3Hans BiomedA major holder's stake rose from 6.54% to 9.04%.9.04%
3/3DB HiTekA major holder's stake rose from 7.14% to 9.40%.9.40%
3/3CJ LogisticsNational Pension Service's stake rose from 10.33% to 12.53%.12.53%
3/3EO TechnicsA major holder's stake rose from 6.13% to 7.98%.7.98%
3/3Below 5%NextinA major holder's stake fell from 6.69% to 4.90%.4.90%
3/3HpspA major holder's stake rose from 5.10% to 6.85%.6.85%
3/3Dongjin SemichemA major holder's stake rose from 5.02% to 6.76%.6.76%
3/3Shinhan Seobu T&D REITA major holder's stake rose from 9.87% to 11.58%.11.58%
3/3KB Balhae Infrastructure FundA major holder's stake rose from 9.94% to 11.59%.11.59%
3/3E Kocref Cr-ReitA major holder's stake rose from 15.77% to 17.37%.17.37%
3/3Wonik IPSA major holder's stake rose from 6.46% to 7.99%.7.99%
3/3SoulbrainA major holder's stake rose from 5.16% to 6.68%.6.68%
3/3Shinhan Alpha REIT Co,.A major holder's stake rose from 17.00% to 18.48%.18.48%
3/3ESR Kendall Square REITA major holder's stake rose from 15.30% to 16.77%.16.77%
3/3IGIS Value Plus REITA major holder's stake rose from 10.03% to 11.47%.11.47%
3/3KB Star ReitA major holder's stake rose from 8.83% to 10.25%.10.25%
3/3LEENO IndustrialA major holder's stake rose from 6.92% to 8.33%.8.33%
3/3QurientA major holder's stake fell from 21.34% to 19.96%.19.96%
3/3SamsungFN REITA major holder's stake rose from 9.88% to 11.20%.11.20%
3/3Koramco the ONE ReitA major holder's stake rose from 12.59% to 13.90%.13.90%
3/3Miraeasset Maps Realty Investment CompanyA major holder's stake rose from 21.30% to 22.57%.22.57%
3/3Koramco Life Infra ReitA major holder's stake rose from 24.98% to 26.18%.26.18%
3/3Below 5%NeurophetA major holder's stake fell from 5.01% to 3.84%.3.84%
3/3Miraeasset Maps REIT 1A major holder's stake fell from 12.39% to 11.23%.11.23%
3/3FNS TechA major holder's stake fell from 32.91% to 31.75%.31.75%
3/3S2wA major holder's stake rose from 34.50% to 35.62% (open-market buy).35.62%
3/3FinetekA major holder's stake rose from 8.35% to 9.47%.9.47%
All 5% holders →

Buybacks 16

3/3CancellationCheil Grinding Wheel INDCancels 2,200,000 sh, 22.45% of shares issued, on Mar 30.2,200,000 sh
3/3DisposalPemtronPlans to dispose of 260,100 sh of treasury stock, Mar 4 to Mar 4.₩5.8B
3/3CancellationKwangmuCancels 2,160,732 sh, 3.49% of shares issued, on Mar 10.2,160,732 sh
3/3CancellationEcstelecomCancels 1,405,500 sh, 11.43% of shares issued, on Mar 11.1,405,500 sh
3/3CancellationByuksanCancels 1,500,000 sh, 2.24% of shares issued, on Mar 20.1,500,000 sh
3/3DisposalThinkwareSystemsPlans to dispose of 318,577 sh of treasury stock.₩2.9B
3/3DisposalModetournetworkPlans to dispose of 136,274 sh of treasury stock, Mar 3 to Mar 4.₩1.7B
3/3AmendedDisposalCJ ENMPlans to dispose of 22,059 sh of treasury stock, Mar 3 to Mar 3.₩1.6B
3/3DisposalThinkwareSystemsPlans to dispose of 40,467 sh of treasury stock, Mar 4 to Apr 3.₩372.3M
3/3DisposalThinkwareSystemsPlans to dispose of 24,826 sh of treasury stock, Mar 30 to Apr 29.₩228.4M
3/3DisposalInnoaxPlans to dispose of 10,000 sh of treasury stock, Mar 4 to Mar 4.₩55.7M
3/3DisposalRanixPlans to dispose of 25,710 sh of treasury stock, Mar 4 to Mar 4.₩50.6M
3/3DisposalKorean DrugPlans to dispose of 395 sh of treasury stock, Mar 4 to Apr 3.₩1.7M
3/3AmendedCJTreasury stock disposal
3/3Green LifescienceTreasury stock disposal
3/3Asia Pacific Satellite lnc.Treasury stock disposal

Share issues & bonds 15

3/3Capital reductionHYUNGJI Innovation and Creative CompanyCapital reduction of 90%.90%
3/3Capital reductionLithium-for-earthCapital reduction of 80%.80%
3/3AmendedCBCelemicsConversion price ₩2,966; if all converted, equal to 16.5% of shares outstanding.₩4B
3/3AmendedRights offeringOrient Precision IndustriesIssuing 1,500,000 sh of new shares, equal to 4.7% of existing shares.₩3.1B
3/3AmendedSK hynixRights offering
3/3SK hynixRights offering
3/3Kolmar BioTechConvertible bond issue
3/3AmendedSungwon Ener TechRights offering
3/3AmendedARIBIO HoldingsConvertible bond issue
3/3AmendedItekRights offering
3/3AmendedMoadataRights offering
3/3Sungwon Ener TechRights offering
3/3AmendedCK SolutionBonus issue
3/3HYUNGJI Innovation and Creative CompanyRights offering
3/3Sungwon Ener TechRights offering

M&A & spin-offs 8

3/3Daesan F&BA ₩6.5B deal, equal to 16.9% of total assets.₩6.5B
3/3AmendedSK hynixBusiness transfer
3/3AmendedSK hynixBusiness transfer
3/3AmendediWINTangible asset deal
3/3Xcell TherapeuticsStake acquisition/disposal
3/3AmendedDhautonexStake acquisition/disposal
3/3DhautonexStake acquisition/disposal
3/3AmendedDhautonexTangible asset deal

Exchange actions 5

3/3GencurixExchange inquiry
3/3Pureun Savings BankExchange
3/3Bumyang ConstructionInvestment caution
3/3Sambu ConstructionInvestment caution
3/3Cheil Grinding Wheel INDTrading halt