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Key filings, December 15, 2025

1,140 filings · 8 highlights
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Supply contracts 26

12/15AmendedSphereWorth 271.5% of last year's revenue, over about 3 months.₩6.9B
12/15Eagon HoldingsWorth 89.1% of last year's revenue, over about 23 months.₩120B
12/15AmendedSGWorth 78.1% of last year's revenue, over about 24 months.₩70.2B
12/15KosesWorth 27.3% of last year's revenue, over about 7 months.₩18.9B
12/15DongwonDevelopmentWorth 25.6% of last year's revenue, over about 44 months.₩133B
12/15Qualitas SemiconductorWorth 23.7% of last year's revenue, over about 12 months.₩1.4B
12/15AmendedGreen PlusWorth 18.1% of last year's revenue, over about 12 months.₩10.7B
12/15AmendedNarae NanotechWorth 17.4% of last year's revenue, over about 16 months.₩7B
12/15Kangwon EnergyWorth 17.2% of last year's revenue, over about 10 months.₩38.7B
12/15AmendedTSIWorth 13.8% of last year's revenue, over about 48 months.₩9.3B
12/15Organic TEA Cosmetics Holdings CompanyWorth 12.7% of last year's revenue, over about 12 months.₩20.9B
12/15AmendedSamho DevelopmentWorth 12.4% of last year's revenue.₩33.1B
12/15iCRAFTWorth 11% of last year's revenue, over about 4 months.₩11.1B
12/15AmendedAsia Pacific Satellite lnc.Worth 8.8% of last year's revenue, over about 9 months.₩5.2B
12/15AmendedSamsung E&AWorth 8.7% of last year's revenue, over about 35 months.₩873B
12/15AmendedHanshin ConstructionWorth 8.1% of last year's revenue, over about 64 months.₩126B
12/15AmendedDBWorth 7.5% of last year's revenue, over about 73 months.₩24.4B
12/15AmendedSoosan IndustriesWorth 6.4% of last year's revenue, over about 56 months.₩19.5B
12/15AmendedHS HwasungWorth 6.4% of last year's revenue, over about 77 months.₩26.7B
12/15AmendedHD HyundaiWorth 5.4% of last year's revenue, over about 75 months.₩141B
12/15AmendedHD Korea Shipbuilding & Offshore EngineeringWorth 5.4% of last year's revenue, over about 75 months.₩141B
12/15AmendedKolonWorth 5.1% of last year's revenue, over about 69 months.₩137B
12/15AmendedKolonGlobalWorth 5.1% of last year's revenue, over about 69 months.₩137B
12/15AmendedKye-Ryong Construction IndustrialWorth 3.2% of last year's revenue, over about 72 months.₩81.4B
12/15AmendedSamsung E&AWorth 3.2% of last year's revenue, over about 55 months.₩318B
12/15AmendedKolonGlobalWorth 1.6% of last year's revenue, over about 43 months.₩78.3B

Insider trades 59

12/15SimpacInsider ownership report
12/15SimpacInsider ownership report
12/15SmcgInsider ownership report
12/15SimpacInsider ownership report
12/15GC GenomeInsider ownership report
12/15OlipassInsider ownership report
12/15Polaris UNOInsider ownership report
12/15Polaris UNOInsider ownership report
12/15Polaris UNOInsider ownership report
12/15Korea United PharmInsider ownership report
12/15Polaris UNOInsider ownership report
12/15Korea United PharmInsider ownership report
12/15Polaris UNOInsider ownership report
12/15Polaris UNOInsider ownership report
12/15Polaris UNOInsider ownership report
12/15Polaris UNOInsider ownership report
12/15AmendedStonebridge VenturesInsider ownership report
12/15DYAInsider ownership report
12/15OrionInsider ownership report
12/15Blue Industrial DevelopmentInsider ownership report
12/15SK BioscienceInsider ownership report
12/15Studio MirInsider ownership report
12/15Jusung EngineeringInsider ownership report
12/15Korean AIR LinesInsider ownership report
12/15Korean AIR LinesInsider ownership report
12/15Studio MirInsider ownership report
12/15Korean AIR LinesInsider ownership report
12/15Incar Financial ServiceInsider ownership report
12/15BistosInsider ownership report
12/15Korean AIR LinesInsider ownership report
12/15InspienInsider ownership report
12/15Dong SUH CompaniesInsider ownership report
12/15Korean AIR LinesInsider ownership report
12/15Dreamus CompanyInsider ownership report
12/15IDPInsider ownership report
12/15Dreamus CompanyInsider ownership report
12/15Stonebridge VenturesInsider ownership report
12/15RS AutomationInsider ownership report
12/15ENCellInsider ownership report
12/15TInsider ownership report
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5% holders 37

12/15New 5%Kyobo 19 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 15.65% (new report).15.65%
12/15New 5%ENCellA major holder's stake rose from 0.00% to 7.95%.7.95%
12/15New 5%EgisA major holder's stake rose from 0.00% to 5.58% (open-market sale).5.58%
12/15New 5%IGIS Value Plus REITA major holder's stake rose from 0.00% to 5.26% (new report).5.26%
12/15New 5%AI KoreaA major holder's stake rose from 0.00% to 5.25%.5.25%
12/15New 5%Daishin Value REITA major holder's stake rose from 0.00% to 5.04% (new report).5.04%
12/15Polaris UNOA major holder's stake rose from 37.84% to 51.06% (conversion/exercise).51.06%
12/15RS AutomationA major holder's stake fell from 28.55% to 20.69% (rights offering).20.69%
12/15Blue Industrial DevelopmentA major holder's stake fell from 13.68% to 6.84%.6.84%
12/15KPFA major holder's stake rose from 34.73% to 39.26% (related-party change).39.26%
12/15GC GenomeA major holder's stake fell from 12.03% to 7.85% (open-market sale).7.85%
12/15KocomA major holder's stake rose from 59.20% to 62.62%.62.62%
12/15SimpacA major holder's stake rose from 72.32% to 73.64% (new report).73.64%
12/15IDPA major holder's stake fell from 58.58% to 57.58% (open-market buy).57.58%
12/15i-Scream MediaA major holder's stake fell from 61.79% to 61.15% (stock option).61.15%
12/15HanWool SemiconductorA major holder's stake fell from 35.10% to 34.47% (pledge).34.47%
12/15RingNetA major holder's stake fell from 30.12% to 29.58% (open-market sale).29.58%
12/15Seobu T&DA major holder's stake fell from 52.33% to 51.80% (conversion/exercise).51.80%
12/15Dong SUH CompaniesA major holder's stake fell from 67.75% to 67.52% (gift).67.52%
12/15BistosA major holder's stake fell from 40.04% to 39.86% (related-party change).39.86%
12/15Korea Arlico PharmA major holder's stake fell from 39.57% to 39.44% (pledge).39.44%
12/15AmendedHpspA major holder's stake rose from 39.29% to 39.35% (related-party change).39.35%
12/15Jusung EngineeringA major holder's stake rose from 29.90% to 29.93%.29.93%
12/15HC BoKwang IndustryA major holder's stake rose from 68.66% to 68.68% (open-market buy).68.68%
12/15HC HomeCenterA major holder's stake rose from 55.35% to 55.37% (open-market buy).55.37%
12/15UnichemA major holder's stake rose from 20.62% to 20.63% (open-market buy).20.63%
12/15JS LinkA major holder's stake rose from 29.35% to 29.36% (open-market buy).29.36%
12/15Korea United PharmA major holder's stake rose from 37.85% to 37.85% (gift).37.85%
12/15BGFA major holder's stake rose from 69.72% to 69.72% (related-party change).69.72%
12/15Sangsangininvestment&securitiesA major holder's stake rose from 65.51% to 65.51%.65.51%
12/15PonyLinkA major holder's stake rose from 24.17% to 24.17% (share lending).24.17%
12/15CosmochemicalA major holder's stake rose from 30.55% to 30.55% (pledge).30.55%
12/15PavonineA major holder's stake rose from 27.71% to 27.71% (pledge).27.71%
12/15VoronoiA major holder's stake rose from 40.98% to 40.98% (pledge).40.98%
12/15Great New wave ComingA major holder's stake rose from 56.03% to 56.03%.56.03%
12/15DavolinkA major holder's stake rose from 24.96% to 24.96%.24.96%
12/15TOP RUN Total SolutionA major holder's stake rose from 74.13% to 74.13% (pledge).74.13%

Buybacks 18

12/15TrustKCSigned a ₩10B trust contract to buy back shares.₩10B
12/15DisposalZeusPlans to dispose of 469,562 sh of treasury stock, Dec 23 to Dec 23.₩8.5B
12/15DisposalHans BiomedPlans to dispose of 239,388 sh of treasury stock, Dec 16 to Jan 15.₩8B
12/15DisposalChokwang PaintPlans to dispose of 1,176,549 sh of treasury stock, Dec 23 to Dec 23.₩6.8B
12/15DisposalHannong ChemicalsPlans to dispose of 343,022 sh of treasury stock, Dec 16 to Dec 19.₩5.5B
12/15CancellationKwangmuCancels 1,755,962 sh, 2.76% of shares issued, on Dec 23.1,755,962 sh
12/15TrustKorea Real Estate Investment & TrustEnded a share buyback trust contract.₩5B
12/15TrustMotonicEnded a share buyback trust contract.₩5B
12/15DisposalKorea Real Estate Investment & TrustPlans to dispose of 2,961,902 sh of treasury stock, Dec 16 to Dec 31.₩4B
12/15DisposalKukbo DesignPlans to dispose of 164,262 sh of treasury stock, Dec 15 to Dec 30.₩3.7B
12/15TrustTruenSigned a ₩3B trust contract to buy back shares.₩3B
12/15DisposalEagle Veterinary TechnologyPlans to dispose of 366,986 sh of treasury stock, Dec 23 to Dec 23.₩1.8B
12/15TrustEcoplasticEnded a share buyback trust contract.₩1B
12/15DisposalWoojinPlans to dispose of 37,569 sh of treasury stock, Dec 15 to Dec 15.₩749.9M
12/15DisposalGCPlans to dispose of 39,345 sh of treasury stock, Dec 15 to Dec 24.₩654.3M
12/15DisposalSupremaPlans to dispose of 3,683 sh of treasury stock, Dec 16 to Mar 15.₩137.6M
12/15AmendedCancellationKorea ZCancels 2 sh, 64.52% of shares issued, on Dec 16.2 sh
12/15FinemedixTreasury stock disposal

Share issues & bonds 19

12/15Rights offeringSuNAMIssuing 2,222,220 sh of new shares, equal to 9.2% of existing shares.₩5B
12/15CBSatoshi HoldingsConversion price ₩2,077; if all converted, equal to 5.3% of shares outstanding.₩3B
12/15AmendedEugeneTechnologyRights offering
12/15NKGen Biotech KoreaRights offering
12/15AmendedEpisode CompanyRights offering
12/15AmendedEpisode CompanyRights offering
12/15AmendedAscendioRights offering
12/15EBZeusExchange price ₩18,102; if all exchanged, equal to 1.5% of shares outstanding.₩8.5B
12/15Korea ZRights offering
12/15EBFoosungExchange price ₩38,150; if all exchanged, equal to 11.8% of shares outstanding.₩50B
12/15AmendedIctkRights offering
12/15EBChokwang PaintExchange price ₩5,801; if all exchanged, equal to 9.2% of shares outstanding.₩6.8B
12/15AmendedGeneOne Life ScienceConvertible bond issue
12/15AmendedHyungji EliteRights offering
12/15EBEagle Veterinary TechnologyExchange price ₩4,840; if all exchanged, equal to 2.9% of shares outstanding.₩1.8B
12/15FinemedixExchangeable bond issue
12/15AmendedHanWool SemiconductorConvertible bond issue
12/15AmendedHanWool SemiconductorConvertible bond issue
12/15SecuLetterRights offering

M&A & spin-offs 5

12/15iWINStake acquisition/disposal
12/15RN2 TechnologiesStake acquisition/disposal
12/15AmendedOsung Advanced MaterialsMerger
12/15AmendedRaon RoboticsTangible asset deal
12/15ObzenMerger

Exchange actions 5

12/15Simmtech HoldingsUnfaithful disclosure
12/15CreoSGCapital reduction
12/15Taekwang IndustrialUnfaithful disclosure
12/15NexteelUnfaithful disclosure
12/15Korea ZExchange inquiry