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Key filings, December 24, 2025

567 filings · 9 highlights
← December 23, 2025December 26, 2025 →

Supply contracts 64

12/24QuratisWorth 276.9% of last year's revenue, over about 11 months.₩1B
12/24AmendedSyntekaBioWorth 270.6% of last year's revenue, over about 23 months.₩334M
12/24AmendedSyntekaBioWorth 260.6% of last year's revenue, over about 25 months.₩321.6M
12/24Sapien SemiconductorsWorth 68% of last year's revenue, over about 12 months.₩5.5B
12/24KEPCO Engineering & Construction CompanyWorth 67.5% of last year's revenue, over about 148 months.₩373B
12/24SI ResourcesWorth 61.1% of last year's revenue, over about 2 months.₩6.4B
12/24AmendedSamil C&SWorth 59.3% of last year's revenue, over about 30 months.₩143B
12/24FinoWorth 56.1% of last year's revenue, over about 6 months.₩17.2B
12/24AmendedExicure HitronWorth 50.1% of last year's revenue, over about 43 months.₩2.8B
12/24LIG Defense&AerospaceWorth 47.6% of last year's revenue, over about 102 months.₩1.56T
12/24CnplusWorth 37% of last year's revenue, over about 9 months.₩17.6B
12/24NanocmsWorth 33% of last year's revenue, over about 1 month.₩1.5B
12/24AmendedSDN CompanyWorth 32.7% of last year's revenue, over about 57 months.₩24.8B
12/24AmendedTSIWorth 30.4% of last year's revenue, over about 41 months.₩20.5B
12/24WoniltniWorth 25.5% of last year's revenue, over about 12 months.₩10.8B
12/24AmendedTS NexgenWorth 25.1% of last year's revenue, over about 73 months.₩10.7B
12/24AmendedTSIWorth 23.3% of last year's revenue, over about 40 months.₩15.7B
12/24NextchipWorth 22% of last year's revenue, over about 39 months.₩7.1B
12/24AmendedTSIWorth 22% of last year's revenue, over about 36 months.₩32.7B
12/24AmendedIlsung ConstructionWorth 21.2% of last year's revenue, over about 54 months.₩72.4B
12/24AmendedK-EnsolWorth 19.3% of last year's revenue, over about 27 months.₩75.2B
12/24AmendedEnertorkWorth 16.3% of last year's revenue, over about 29 months.₩4.1B
12/24EnertorkWorth 15.1% of last year's revenue, over about 24 months.₩3.8B
12/24Kye-Ryong Construction IndustrialWorth 14.5% of last year's revenue, over about 118 months.₩461B
12/24AmendedSDN CompanyWorth 14.2% of last year's revenue, over about 43 months.₩10.7B
12/24AmendedKolonWorth 13.3% of last year's revenue, over about 31 months.₩346B
12/24AmendedKolonGlobalWorth 13.3% of last year's revenue, over about 31 months.₩346B
12/24Sanil ElectricWorth 13.1% of last year's revenue, over about 19 months.₩43.8B
12/24AmendedKCC Engineering & ConstructionWorth 13% of last year's revenue, over about 87 months.₩138B
12/24AmendedDaewoo Engineering & ConstructionWorth 12.1% of last year's revenue.₩1.05T
12/24KostecsysWorth 11.9% of last year's revenue, over about 15 months.₩1.7B
12/24DongbuWorth 11.4% of last year's revenue, over about 32 months.₩192B
12/24AmendedHJ Shipbuilding & ConstructionWorth 11.2% of last year's revenue, over about 71 months.₩182B
12/24AmendedBinexWorth 10.2% of last year's revenue, over about 13 months.₩15.8B
12/24AmendedKCC Engineering & ConstructionWorth 9.8% of last year's revenue, over about 106 months.₩130B
12/24AmendedIvisionworksWorth 9.7% of last year's revenue, over about 23 months.₩2.3B
12/24AmendedSamsung C&TWorth 9% of last year's revenue.₩2.73T
12/24WithtechWorth 8.4% of last year's revenue, over about 13 months.₩3.7B
12/24AmendedWoori Technology, InWorth 8.4% of last year's revenue, over about 41 months.₩4.4B
12/24AmendedDongbuWorth 8.2% of last year's revenue, over about 47 months.₩93.3B
All supply contracts →

Insider trades 90

12/24GCInsider ownership report
12/24UNID btplusInsider ownership report
12/24GCInsider ownership report
12/24GCInsider ownership report
12/24GCInsider ownership report
12/24UNID btplusInsider ownership report
12/24GCInsider ownership report
12/24GCInsider ownership report
12/24Woowon DevelopmentInsider ownership report
12/24GCInsider ownership report
12/24Woowon DevelopmentInsider ownership report
12/24I&C TechnologyInsider ownership report
12/24Qualitas SemiconductorInsider ownership report
12/24GCInsider ownership report
12/24UNID btplusInsider ownership report
12/24I&C TechnologyInsider ownership report
12/24GCInsider ownership report
12/24UNID btplusInsider ownership report
12/24I&C TechnologyInsider ownership report
12/24UNID btplusInsider ownership report
12/24CelltrionInsider ownership report
12/24T&LInsider ownership report
12/24HD Hyundai ElectricInsider ownership report
12/24T&LInsider ownership report
12/24Sungwon Ener TechInsider ownership report
12/24T&LInsider ownership report
12/24DYAInsider ownership report
12/24ElcomtecInsider ownership report
12/24Miwon ChemicalsInsider ownership report
12/24KorchipInsider ownership report
12/24ezCaretechInsider ownership report
12/24OliX PharmaceuticalsInsider ownership report
12/24Mirae Asset Vision Special Purpose Acquisition 11 CompanyInsider ownership report
12/24SoftcenInsider ownership report
12/24Hanwha REITInsider ownership report
12/24Koramco Life Infra ReitInsider ownership report
12/24Koramco the ONE ReitInsider ownership report
12/24E Kocref Cr-ReitInsider ownership report
12/24Shinhan Alpha REIT Co,.Insider ownership report
12/24D&D Platform REITInsider ownership report
All insider trades →

5% holders 77

12/24New 5%SC EngineeringA major holder's stake rose from 0.00% to 36.48% (conversion/exercise).36.48%
12/24New 5%IBKS No.25 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 15.05% (new report).15.05%
12/24New 5%EOFlowA major holder's stake rose from 0.00% to 14.61% (rights offering).14.61%
12/24New 5%Mirae Asset Vision Special Purpose Acquisition 11 CompanyA major holder's stake rose from 0.00% to 10.00% (new report).10.00%
12/24New 5%Dynamic solutionA major holder's stake rose from 0.00% to 9.90% (rights offering).9.90%
12/24New 5%Hana Thirty-six Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 9.04% (new report).9.04%
12/24New 5%RznomicsA major holder's stake rose from 0.00% to 7.90%.7.90%
12/24New 5%Mirae Asset Vision Special Purpose Acquisition 11 CompanyA major holder's stake rose from 0.00% to 6.06% (new report).6.06%
12/24New 5%SC EngineeringA major holder's stake rose from 0.00% to 6.00% (conversion/exercise).6.00%
12/24New 5%Nara Space TechnologyA major holder's stake rose from 0.00% to 5.20% (new report).5.20%
12/24New 5%IBKS No.25 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 5.05% (new report).5.05%
12/24OntideA major holder's stake rose from 32.91% to 45.12% (conversion/exercise).45.12%
12/24SD BiotechnologiesA major holder's stake fell from 26.71% to 15.42% (share lending).15.42%
12/24Woowon DevelopmentA major holder's stake fell from 43.16% to 34.98% (gift).34.98%
12/24Below 5%CmtxA major holder's stake fell from 6.63% to 1.35%.1.35%
12/24Below 5%RznomicsA major holder's stake rose from 0.00% to 4.36%.4.36%
12/24UNID btplusA major holder's stake rose from 47.05% to 51.06%.51.06%
12/24CorestemchemonA major holder's stake rose from 10.60% to 14.24% (open-market buy).14.24%
12/24Dragonfly GFA major holder's stake rose from 7.96% to 10.99% (conversion/exercise).10.99%
12/24Below 5%Dynamic DesignA major holder's stake rose from 0.00% to 2.82% (conversion/exercise).2.82%
12/24RF MaterialsA major holder's stake fell from 10.02% to 7.83% (open-market sale).7.83%
12/24Korea ZA major holder's stake rose from 44.24% to 46.00% (open-market buy).46.00%
12/24Korea ZA major holder's stake rose from 39.70% to 41.30% (open-market buy).41.30%
12/24ALTA major holder's stake fell from 29.57% to 28.08%.28.08%
12/24ViGenCellA major holder's stake fell from 22.73% to 21.36%.21.36%
12/24AmendedVenueGA major holder's stake fell from 10.57% to 9.47%.9.47%
12/24Miwon ChemicalsA major holder's stake fell from 56.87% to 55.78%.55.78%
12/24AlcheraA major holder's stake rose from 15.99% to 16.87% (stock option).16.87%
12/24AmendedAnterogenA major holder's stake rose from 14.27% to 15.06% (conversion/exercise).15.06%
12/24Haesung OpticsA major holder's stake rose from 6.44% to 7.13% (conversion/exercise).7.13%
12/24SoftcenA major holder's stake rose from 16.71% to 17.35% (open-market buy).17.35%
12/24DaeduckA major holder's stake fell from 43.28% to 42.74% (related-party change).42.74%
12/24L&C BIOA major holder's stake fell from 28.00% to 27.46% (related-party change).27.46%
12/24ValueAddedTechnologyA major holder's stake rose from 7.81% to 8.34%.8.34%
12/24Korea United PharmA major holder's stake rose from 40.51% to 41.03%.41.03%
12/24OliX PharmaceuticalsA major holder's stake fell from 17.53% to 17.14% (open-market sale).17.14%
12/24BI MatrixA major holder's stake fell from 59.00% to 58.69% (related-party change).58.69%
12/24WooDeumGee FarmA major holder's stake fell from 39.93% to 39.67% (stock option).39.67%
12/24DreaminsightA major holder's stake rose from 57.43% to 57.63% (open-market buy).57.63%
12/24PearlAbyssA major holder's stake fell from 37.38% to 37.22% (stock option).37.22%
All 5% holders →

Buybacks 22

12/24TrustDL E&CEnded a share buyback trust contract.₩34.4B
12/24AmendedDisposalDaewoongPlans to dispose of 581,420 sh of treasury stock, Dec 24 to Dec 24.₩13.8B
12/24DisposalDaishin SecuritiesPlans to dispose of 431,292 sh of treasury stock, Dec 30 to Dec 30.₩7B
12/24TrustWON TechEnded a share buyback trust contract.₩6B
12/24DisposalKorea Credit InformationPlans to dispose of 350,000 sh of treasury stock, Dec 26 to Jan 25.₩3.8B
12/24AmendedDisposalHana Pharm.Plans to dispose of 300,000 sh of treasury stock, Dec 26 to Dec 26.₩3.5B
12/24DisposalEcoplasticPlans to dispose of 1,039,632 sh of treasury stock, Dec 26 to Dec 26.₩3.1B
12/24TrustSebo Manufacturing EngineeringEnded a share buyback trust contract.₩3B
12/24DisposalLB SemiconPlans to dispose of 764,951 sh of treasury stock, Dec 26 to Dec 30.₩2.8B
12/24DisposalHRSPlans to dispose of 373,035 sh of treasury stock, Dec 26 to Jan 30.₩2.1B
12/24DisposalCell Bio Human TechPlans to dispose of 155,767 sh of treasury stock, Dec 26 to Dec 26.₩1.3B
12/24AmendedDisposalKye-Ryong Construction IndustrialPlans to dispose of 60,350 sh of treasury stock, Dec 23 to Dec 26.₩1.3B
12/24DisposalHecto InnovationPlans to dispose of 21,474 sh of treasury stock, Dec 24 to Dec 26.₩370.4M
12/24DisposalHecto FinancialPlans to dispose of 21,863 sh of treasury stock, Dec 24 to Dec 26.₩368.8M
12/24BuybackBohae BreweryPlans to buy back 714,285 sh of treasury stock, Dec 29 to Jan 28.₩300M
12/24DisposalKespionPlans to dispose of 579,850 sh of treasury stock, Dec 26 to Dec 31.₩270.8M
12/24DisposalDaeyang ElectricPlans to dispose of 1,509 sh of treasury stock, Dec 26 to Dec 31.₩43.5M
12/24DL HoldingsBuyback trust ended
12/24Samjin LND CompanyTreasury stock disposal
12/24Hana Pharm.Treasury stock disposal
12/24AmendedHanon SystemsTreasury stock disposal
12/24AmendedNamsungTreasury stock disposal

Share issues & bonds 33

12/24AmendedRights offeringMegatouchIssuing 5,192,749 sh of new shares, equal to 25% of existing shares.₩16.4B
12/24CBYM TechConversion price ₩12,731; if all converted, equal to 12.5% of shares outstanding.₩20B
12/24AmendedCBGencurixConversion price ₩1,520; if all converted, equal to 0.4% of shares outstanding.₩100M
12/24AmendedFSNRights offering
12/24DAPCapital reduction
12/24JntcRights offering
12/24AmendedCharm EngineeringRights offering
12/24AmendedSKCapital reduction
12/24AmendedSK InnovationCapital reduction
12/24AmendedKorea ZRights offering
12/24AmendedCellumedRights offering
12/24AmendedNeoriginRights offering
12/24AmendedAstaConvertible bond issue
12/24AmendedHyperRights offering
12/24AmendedMOA Life PlusRights offering
12/24GemVax & KAELBond with warrants issue
12/24AmendedARIBIO HoldingsConvertible bond issue
12/24AmendedCSA CosmicRights offering
12/24GemVax & KAELRights offering
12/24AmendedAdbiotechRights offering
12/24AmendedLightron Fiber-Optic DevicesRights offering
12/24AmendedKorea ZRights offering
12/24AmendedEBBeautyskinExchange price ₩13,860; if all exchanged, equal to 3.5% of shares outstanding.₩1.7B
12/24AmendedKumyangRights offering
12/24AmendedBeautyskinExchangeable bond issue
12/24AmendedNamsungExchangeable bond issue
12/24AmendedInveniaRights offering
12/24Sungwon Ener TechBonus issue
12/24AmendedSensorviewRights offering
12/24AmendedSensorviewRights offering
12/24AmendedSigetronicsRights offering
12/24AmendedSensorviewRights offering
12/24SensorviewConvertible bond issue

M&A & spin-offs 7

12/24YM TechA ₩20B deal, equal to 34% of total assets.₩20B
12/24AmendedTdspharmA ₩10B deal, equal to 20.3% of total assets.₩10B
12/24BitmaxA ₩4B deal, equal to 14% of total assets.₩4B
12/24HS HyosungBusiness transfer
12/24AmendedHanWool & JejuTangible asset deal
12/24Gold&SBusiness transfer
12/24PeopleBioTangible asset deal

Exchange actions 6

12/24CarryUnfaithful disclosure
12/24SKAI worldwideUnfaithful disclosure
12/24CreoSGUnfaithful disclosure
12/24Gold&SBusiness transfer
12/24Sungwon Ener TechBonus issue
12/24Jahwa ElectronicsUnfaithful disclosure