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Key filings, December 10, 2025

479 filings · 10 highlights
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Supply contracts 25

12/10AmendedSGWorth 79.4% of last year's revenue, over about 24 months.₩71.3B
12/10AmendedSphereWorth 73.4% of last year's revenue, over about 8 months.₩1.9B
12/10AmendedSphereWorth 51.3% of last year's revenue, over about 8 months.₩1.3B
12/10AmendedDongshinEngineering&ConstructionWorth 35.8% of last year's revenue, over about 71 months.₩20.6B
12/10AmendedIlsung ConstructionWorth 25.3% of last year's revenue, over about 83 months.₩86.4B
12/10AmendedYASWorth 23.8% of last year's revenue, over about 6 months.₩6.8B
12/10ObzenWorth 23.7% of last year's revenue, over about 13 months.₩3.6B
12/10AmendedVitzroSys.Worth 22.6% of last year's revenue, over about 7 months.₩5.8B
12/10Prestige BiologicsWorth 15.4% of last year's revenue, over about 8 months.₩1.9B
12/10AmendedSoosan IndustriesWorth 15% of last year's revenue, over about 114 months.₩45.4B
12/10AmendedCreoSGWorth 12.6% of last year's revenue, over about 16 months.₩1.2B
12/10AmendedDK-LokWorth 12.3% of last year's revenue, over about 41 months.₩10.5B
12/10KinxWorth 12.2% of last year's revenue, over about 40 months.₩17B
12/10AmendedLS THiRA-UTECHWorth 10.5% of last year's revenue, over about 34 months.₩5.7B
12/10TSIWorth 9.8% of last year's revenue, over about 25 months.₩26.7B
12/10AmendedKorea Electronic Power Industrial DevelopmentWorth 9.2% of last year's revenue, over about 123 months.₩33.7B
12/10AmendedTongyangWorth 6.6% of last year's revenue, over about 32 months.₩50.9B
12/10AmendedKye-Ryong Construction IndustrialWorth 6.4% of last year's revenue, over about 63 months.₩191B
12/10ContecWorth 6% of last year's revenue, over about 28 months.₩4.1B
12/10DongbuWorth 5.9% of last year's revenue.₩100B
12/10AmendedSoosan IndustriesWorth 4.7% of last year's revenue, over about 12 months.₩14.1B
12/10Kye-Ryong Construction IndustrialWorth 3.6% of last year's revenue, over about 34 months.₩115B
12/10Kye-Ryong Construction IndustrialWorth 3.5% of last year's revenue, over about 23 months.₩111B
12/10AmendedCheongboSingle sales/supply contract
12/10AmendedHanwha AerospaceSingle sales/supply contract

Insider trades 57

12/10DSR WireInsider ownership report
12/10AmendedOlipassInsider ownership report
12/10Incar Financial ServiceInsider ownership report
12/10OlipassInsider ownership report
12/10LG Energy SolutionInsider ownership report
12/10JIN AIR Co,Insider ownership report
12/10NaverInsider ownership report
12/10HCTInsider ownership report
12/10HCTInsider ownership report
12/10HCTInsider ownership report
12/10HCTInsider ownership report
12/10HCTInsider ownership report
12/10HCTInsider ownership report
12/10Welcron CompanyInsider ownership report
12/10AmendedSamsung Electronics Co,Insider ownership report
12/10Hanon SystemsInsider ownership report
12/10HCTInsider ownership report
12/10PlateerInsider ownership report
12/10HLB PepInsider ownership report
12/10PlateerInsider ownership report
12/10HCTInsider ownership report
12/10Hanon SystemsInsider ownership report
12/10Welcron CompanyInsider ownership report
12/10NamsungInsider ownership report
12/10HCTInsider ownership report
12/10Hanon SystemsInsider ownership report
12/10HCTInsider ownership report
12/10CitechInsider ownership report
12/10MIRAE ASSET Life InsuranceInsider ownership report
12/10HCTInsider ownership report
12/10HCTInsider ownership report
12/10Hanwha REITInsider ownership report
12/10Koramco Life Infra ReitInsider ownership report
12/10Koramco the ONE ReitInsider ownership report
12/10E Kocref Cr-ReitInsider ownership report
12/10Shinhan Alpha REIT Co,.Insider ownership report
12/10D&D Platform REITInsider ownership report
12/10SK ReitInsider ownership report
12/10ESR Kendall Square REITInsider ownership report
12/10CreoSGInsider ownership report
All insider trades →

5% holders 61

12/10New 5%Aimed BioA major holder's stake rose from 0.00% to 35.28% (new report).35.28%
12/10Below 5%HanWool & JejuA major holder's stake fell from 23.28% to 0.00% (conversion/exercise).0.00%
12/10New 5%EutilexA major holder's stake rose from 0.00% to 10.98%.10.98%
12/10New 5%Dynamic DesignA major holder's stake rose from 0.00% to 10.19% (conversion/exercise).10.19%
12/10New 5%InfoBankA major holder's stake rose from 0.00% to 8.38% (related-party change).8.38%
12/10New 5%ZGOO HoldingsA major holder's stake rose from 0.00% to 7.38%.7.38%
12/10AmendedNew 5%CHA AI HealthkareA major holder's stake rose from 0.00% to 6.95% (new report).6.95%
12/10SphereA major holder's stake fell from 23.43% to 6.74% (conversion/exercise).6.74%
12/10New 5%DK-LokA major holder's stake rose from 0.00% to 5.03% (new report).5.03%
12/10OlipassA major holder's stake rose from 28.60% to 41.54% (rights offering).41.54%
12/10Below 5%Icure Pharmaceutical InA major holder's stake fell from 9.62% to 0.00% (conversion/exercise).0.00%
12/10Hyulim A-TechA major holder's stake fell from 20.33% to 11.56% (conversion/exercise).11.56%
12/10Exicure HitronA major holder's stake fell from 21.02% to 13.01% (off-market sale).13.01%
12/10MH MaterialsA major holder's stake fell from 18.81% to 12.22%.12.22%
12/10Below 5%SK SquareA major holder's stake fell from 6.63% to 0.07% (related-party change).0.07%
12/10Below 5%LincsolutionA major holder's stake fell from 10.84% to 4.81% (open-market sale).4.81%
12/10Below 5%GeninusA major holder's stake fell from 9.93% to 4.83% (open-market sale).4.83%
12/10Below 5%VitzroSys.A major holder's stake fell from 5.00% to 0.00% (conversion/exercise).0.00%
12/10Agent AIA major holder's stake fell from 12.88% to 8.90% (conversion/exercise).8.90%
12/10Korean AIR LinesA major holder's stake fell from 34.32% to 30.40% (conversion/exercise).30.40%
12/10ThumbageA major holder's stake fell from 37.62% to 34.16% (related-party change).34.16%
12/10Below 5%CHA AI HealthkareA major holder's stake fell from 6.95% to 3.67% (open-market buy).3.67%
12/10NanoTIMA major holder's stake rose from 5.46% to 8.63% (conversion/exercise).8.63%
12/10iWINA major holder's stake rose from 12.24% to 15.39% (conversion/exercise).15.39%
12/10Below 5%OscotecA major holder's stake fell from 5.04% to 2.02%.2.02%
12/10Dreamus CompanyA major holder's stake fell from 32.08% to 29.23% (related-party change).29.23%
12/10ENF TechnologyA major holder's stake rose from 6.14% to 8.28%.8.28%
12/10AmendedParataxis EthereumA major holder's stake rose from 54.37% to 56.51% (related-party change).56.51%
12/10WONIK MaterialsA major holder's stake rose from 5.30% to 7.38%.7.38%
12/10Below 5%Daishin Value REITA major holder's stake fell from 6.36% to 4.69%.4.69%
12/10HanWool SemiconductorA major holder's stake rose from 10.06% to 11.38% (related-party change).11.38%
12/10Harim HoldingsA major holder's stake rose from 48.50% to 49.81% (related-party change).49.81%
12/10Seojin SystemA major holder's stake rose from 9.95% to 11.18%.11.18%
12/10Below 5%DongKook Life ScienceA major holder's stake fell from 5.67% to 4.52% (open-market sale).4.52%
12/10HEM PharmaA major holder's stake fell from 15.22% to 14.13% (open-market sale).14.13%
12/10HiDeepA major holder's stake rose from 8.64% to 9.73%.9.73%
12/10Below 5%JR Global ReitA major holder's stake fell from 5.59% to 4.53%.4.53%
12/10NuriFlexA major holder's stake fell from 38.07% to 37.16%.37.16%
12/10kakaopayA major holder's stake rose from 10.09% to 10.97% (conversion/exercise).10.97%
12/10ARIBIO HoldingsA major holder's stake fell from 13.82% to 12.98% (conversion/exercise).12.98%
All 5% holders →

Buybacks 18

12/10BuybackAhnlabPlans to buy back 327,869 sh of treasury stock, Dec 11 to Mar 10.₩20B
12/10AmendedDisposalPeople & TechnologyPlans to dispose of 386,129 sh of treasury stock, Dec 12 to Dec 12.₩18.8B
12/10DisposalDanalPlans to dispose of 2,156,045 sh of treasury stock, Dec 11 to Dec 11.₩14.7B
12/10DisposalModetournetworkPlans to dispose of 900,000 sh of treasury stock, Dec 11 to Dec 22.₩9.2B
12/10DisposalNovarexPlans to dispose of 500,000 sh of treasury stock, Dec 30 to Dec 30.₩8.8B
12/10DisposalDaechangPlans to dispose of 6,889,111 sh of treasury stock, Jan 9 to Jan 12.₩8.3B
12/10AmendedDisposalChungdamglobalPlans to dispose of 802,817 sh of treasury stock, Dec 15 to Dec 15.₩6.7B
12/10TrustJahwa ElectronicsEnded a share buyback trust contract.₩5B
12/10BuybackMiwon CommercialPlans to buy back 29,296 sh of treasury stock, Dec 11 to Mar 10.₩4.5B
12/10DisposalKPFPlans to dispose of 666,206 sh of treasury stock, Dec 11 to Dec 11.₩3.6B
12/10CancellationSeobu T&DCancels 500,000 sh, 0.76% of shares issued, on Dec 17.500,000 sh
12/10CancellationChoong ANG Vaccine LaboratoryCancels 200,000 sh, 2.07% of shares issued, on Dec 22.200,000 sh
12/10DisposalAce TechnologiesPlans to dispose of 428,142 sh of treasury stock, Dec 11 to Dec 11.₩1.3B
12/10AmendedBuybackDongnamchemicalco.,ltePlans to buy back 40,000 sh of treasury stock, Dec 11 to Mar 10.₩1.2B
12/10DisposalNovarexPlans to dispose of 52,632 sh of treasury stock, Dec 11 to Dec 30.₩759.5M
12/10AmendedMiwon HoldingsTreasury stock acquisition
12/10Miwon HoldingsTreasury stock acquisition
12/10Dongnamchemicalco.,lteTreasury stock acquisition

Share issues & bonds 23

12/10Rights offeringParataxis KoreaIssuing 18,472,907 sh of new shares, equal to 21.1% of existing shares.₩15B
12/10BWSeoul ViosysExercise price ₩2,634; if all exercised, equal to 19.9% of shares outstanding.₩30B
12/10CBSeoul ViosysConversion price ₩2,634; if all converted, equal to 19.9% of shares outstanding.₩30B
12/10CBTS TrillionConversion price ₩244; if all converted, equal to 17.3% of shares outstanding.₩4.9B
12/10Rights offeringTS TrillionIssuing 4,694,835 sh of new shares, equal to 4.1% of existing shares.₩1000M
12/10AmendedCBCreoSGConversion price ₩550; if all converted, equal to 3.7% of shares outstanding.₩2B
12/10EugeneTechnologyRights offering
12/10ITM SemiconductorRights offering
12/10KDRights offering
12/10NICE HoldingsRights offering
12/10LotteRights offering
12/10VivienConvertible bond issue
12/10AmendedKumho ElectricConvertible bond issue
12/10AmendedMgen SolutionsConvertible bond issue
12/10AmendedEBPeople & TechnologyExchange price ₩48,591; if all exchanged, equal to 2.3% of shares outstanding.₩18.8B
12/10AmendedB2EnRights offering
12/10AmendedTera ScienceRights offering
12/10AmendedKDRights offering
12/10AmendedInkredibleBuzzRights offering
12/10EBNovarexExchange price ₩17,515; if all exchanged, equal to 2.7% of shares outstanding.₩8.8B
12/10AmendedKEM TechConvertible bond issue
12/10SKAI worldwideRights offering
12/10AmendedEBChungdamglobalExchange price ₩8,297; if all exchanged, equal to 3.8% of shares outstanding.₩6.7B

M&A & spin-offs 6

12/10AmendedMdeviceA ₩5.9B deal, equal to 16.8% of total assets.₩5.9B
12/10AmendedDaekyoMerger
12/10AmendedktisStake acquisition/disposal
12/10TdspharmTangible asset deal
12/10Episode CompanyStake acquisition/disposal
12/10Cell Bio Human TechTangible asset deal

Exchange actions 9

12/10MedicoxTrading halt
12/10ZaigleTrading halt
12/10ZaigleExchange
12/10Curiox BiosystemsUnfaithful disclosure
12/10NKGen Biotech KoreaExchange
12/10Alpha AIExchange inquiry
12/10KR MotorsExchange inquiry
12/10LVMC Holdings CO,.Exchange inquiry
12/10SK hynixExchange inquiry