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Key filings, November 26, 2025

403 filings · 6 highlights
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Supply contracts 28

11/26Prestige BiologicsWorth 114.8% of last year's revenue, over about 85 months.₩14.4B
11/26AmendedJeioWorth 68.2% of last year's revenue, over about 37 months.₩53.6B
11/26SphereWorth 60.8% of last year's revenue, over about 5 months.₩1.6B
11/26AmendedSatrecInitiativeWorth 57.3% of last year's revenue, over about 35 months.₩42.1B
11/26MiraeWorth 51.2% of last year's revenue, over about 5 months.₩13.9B
11/26AmendedMediaZenWorth 47.6% of last year's revenue, over about 14 months.₩6.1B
11/26AmendedDong-Ah Geological Engineering CompanyWorth 30.1% of last year's revenue, over about 89 months.₩115B
11/26DaishinInformationWorth 16.9% of last year's revenue, over about 2 months.₩34.3B
11/26Seojin SystemWorth 15.3% of last year's revenue, over about 9 months.₩185B
11/26Namkwang Engineering & ConstructionWorth 13.3% of last year's revenue.₩66.8B
11/26AmendedKolonWorth 13.2% of last year's revenue.₩481B
11/26AmendedKolonGlobalWorth 13.2% of last year's revenue.₩481B
11/26AmendedAsia Pacific Satellite lnc.Worth 12.9% of last year's revenue, over about 47 months.₩6.9B
11/26AmendedIvisionworksWorth 10.4% of last year's revenue, over about 16 months.₩2.4B
11/26KostecsysWorth 10.1% of last year's revenue, over about 2 months.₩1.4B
11/26LSWorth 10.1% of last year's revenue, over about 47 months.₩460B
11/26LS ElectricWorth 10.1% of last year's revenue, over about 47 months.₩460B
11/26AmendedHJ Shipbuilding & ConstructionWorth 9.6% of last year's revenue, over about 53 months.₩164B
11/26HDC HoldingsWorth 6% of last year's revenue.₩257B
11/26Ipark Hyundai Development CompanyWorth 6% of last year's revenue.₩257B
11/26LG CNSWorth 5.8% of last year's revenue, over about 37 months.₩347B
11/26STX Engine Co,.Worth 5.1% of last year's revenue, over about 61 months.₩36.8B
11/26Kye-Ryong Construction IndustrialWorth 2.8% of last year's revenue.₩89.2B
11/26AmendedGS Engineering & ConstructionWorth 2.7% of last year's revenue, over about 38 months.₩348B
11/26S-OilWorth 2.6% of last year's revenue, over about 12 months.₩942B
11/26Copus KoreaSingle sales/supply contract
11/26HDC HoldingsSupply contract terminated
11/26Ipark Hyundai Development CompanySupply contract terminated

Insider trades 57

11/26Samyang BiopharmInsider ownership report
11/26CmtxInsider ownership report
11/26Samyang BiopharmInsider ownership report
11/26Samyang BiopharmInsider ownership report
11/26KX HitechInsider ownership report
11/26Samyang BiopharmInsider ownership report
11/26Samyang BiopharmInsider ownership report
11/26A Plus Asset AdvisorInsider ownership report
11/26cooconInsider ownership report
11/26A Plus Asset AdvisorInsider ownership report
11/26Samsung Electronics Co,Insider ownership report
11/26Harim HoldingsInsider ownership report
11/264by4Insider ownership report
11/26Ecopro MaterialsInsider ownership report
11/26Yuanta Securities KoreaInsider ownership report
11/26Samyang HoldingsInsider ownership report
11/26Ecopro MaterialsInsider ownership report
11/26Samyang HoldingsInsider ownership report
11/26Samyang HoldingsInsider ownership report
11/26Choolip & SciencesInsider ownership report
11/26Samyang HoldingsInsider ownership report
11/26Samyang HoldingsInsider ownership report
11/26DSR WireInsider ownership report
11/26Kukdong OIL & ChemicalsInsider ownership report
11/26Higen RNMInsider ownership report
11/26Higen RNMInsider ownership report
11/26Sungwon Ener TechInsider ownership report
11/26Sungwon Ener TechInsider ownership report
11/26Hanwha REITInsider ownership report
11/26Samjin PharmaceuticalInsider ownership report
11/26Koramco Life Infra ReitInsider ownership report
11/26Koramco the ONE ReitInsider ownership report
11/26E Kocref Cr-ReitInsider ownership report
11/26Shinhan Alpha REIT Co,.Insider ownership report
11/26D&D Platform REITInsider ownership report
11/26Mirae Asset Global REITInsider ownership report
11/26SK ReitInsider ownership report
11/26ESR Kendall Square REITInsider ownership report
11/26HS Hyosung Advanced MaterialsInsider ownership report
11/26Sungwon Ener TechInsider ownership report
All insider trades →

5% holders 39

11/26New 5%Samyang BiopharmA major holder's stake rose from 0.00% to 46.39% (share consolidation/split).46.39%
11/26New 5%CmtxA major holder's stake rose from 0.00% to 14.15%.14.15%
11/26New 5%UTIA major holder's stake rose from 0.00% to 13.24% (new report).13.24%
11/26New 5%BNK 3 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 8.49% (new report).8.49%
11/26New 5%DI Dong ILA major holder's stake rose from 0.00% to 5.47% (open-market buy).5.47%
11/26Below 5%Samyung ENCA major holder's stake fell from 7.18% to 0.00%.0.00%
11/26AmendedNRoboticsA major holder's stake rose from 9.46% to 16.61% (open-market buy).16.61%
11/26Below 5%CSA CosmicA major holder's stake fell from 6.16% to 0.00% (conversion/exercise).0.00%
11/26KX HitechA major holder's stake fell from 41.71% to 36.50%.36.50%
11/26Below 5%ZGOO HoldingsA major holder's stake fell from 6.58% to 1.74%.1.74%
11/26Hans BiomedA major holder's stake fell from 10.65% to 6.28% (open-market buy).6.28%
11/26YMTA major holder's stake fell from 39.54% to 36.60% (pledge).36.60%
11/26cooconA major holder's stake fell from 32.46% to 30.58% (related-party change).30.58%
11/264by4A major holder's stake fell from 28.38% to 26.81% (rights offering).26.81%
11/26DawonsysA major holder's stake fell from 14.54% to 13.87% (pledge).13.87%
11/26SYA major holder's stake rose from 36.28% to 36.82% (pledge).36.82%
11/26DSR WireA major holder's stake rose from 51.54% to 52.05% (open-market buy).52.05%
11/26Daesung Hi-TechA major holder's stake rose from 44.88% to 45.38% (open-market buy).45.38%
11/26RfhicA major holder's stake fell from 33.95% to 33.84% (open-market buy).33.84%
11/26KukjeonA major holder's stake fell from 58.69% to 58.59%.58.59%
11/26JetemaA major holder's stake rose from 30.51% to 30.59% (stock option).30.59%
11/26RayA major holder's stake fell from 27.50% to 27.42% (pledge).27.42%
11/26AmendedAstaReport of 5%+ holding
11/26MH MaterialsA major holder's stake rose from 25.14% to 25.14% (inheritance).25.14%
11/26CoAsiaA major holder's stake rose from 19.58% to 19.58% (pledge).19.58%
11/26Kolmar HoldingsA major holder's stake rose from 48.43% to 48.43% (pledge).48.43%
11/26Kukdong OIL & ChemicalsReport of 5%+ holding
11/26Samyang HoldingsReport of 5%+ holding
11/26Kukdong OIL & ChemicalsReport of 5%+ holding
11/26HwaseungA major holder's stake rose from 49.69% to 49.69% (pledge).49.69%
11/26Cube EntertainmentA major holder's stake rose from 54.69% to 54.69% (pledge).54.69%
11/26KorchipA major holder's stake rose from 68.88% to 68.88% (stock option).68.88%
11/26ITM SemiconductorA major holder's stake rose from 63.34% to 63.34% (pledge).63.34%
11/26CTKA major holder's stake rose from 49.19% to 49.19% (pledge).49.19%
11/26Blue Industrial DevelopmentA major holder's stake rose from 13.68% to 13.68% (pledge).13.68%
11/26Iljin PowerA major holder's stake rose from 36.79% to 36.79% (pledge).36.79%
11/26InnospaceReport of 5%+ holding
11/26InktecA major holder's stake rose from 13.53% to 13.53% (pledge).13.53%
11/26KomelonReport of 5%+ holding

Buybacks 7

11/26BuybackMedy-ToxPlans to buy back 24,916 sh of treasury stock, Nov 27 to Feb 26.₩3B
11/26BuybackMiwon ChemicalsPlans to buy back 20,000 sh of treasury stock, Nov 27 to Feb 26.₩1.7B
11/26TrustGISSigned a ₩1B trust contract to buy back shares.₩1B
11/26TrustKoreaInformation&CommunicationSigned a ₩1B trust contract to buy back shares.₩1B
11/26Dongkuk HoldingsShare cancellation
11/26Dongkuk HoldingsTreasury stock acquisition
11/26AmendedTaekwang IndustrialTreasury stock disposal

Share issues & bonds 11

11/26Bonus issueVitzrocellBonus issue of new shares equal to 98.2% of existing shares.22,467,264 sh
11/26AmendedRights offeringHeng Sheng Holding Group CompanyIssuing 56,000,000 sh of new shares, equal to 29.8% of existing shares.₩12.5B
11/26Rights offeringDaedongIssuing 2,132,827 sh of new shares, equal to 8.1% of existing shares.₩20.2B
11/26Vitzro TechBonus issue
11/26AmendedMOA Life PlusRights offering
11/26AmendedPhionxConvertible bond issue
11/26Daeho ALConvertible bond issue
11/26AmendedB2EnRights offering
11/26AmendedTaekwang IndustrialExchangeable bond issue
11/26AmendedItoxiRights offering
11/26AmendedMemRAY BTConvertible bond issue

M&A & spin-offs 5

11/26NGeneBioMerger
11/26AmendedNaverShare exchange
11/26NaverShare exchange
11/26Shinhan 12th Special Purpose Acquisition CompanyMerger
11/26NGeneBioMerger

Exchange actions 4

11/26Shinhan 12th Special Purpose Acquisition CompanyMerger
11/26Prestige BiologicsTrading halt
11/26VitzrocellBonus issue
11/26Shindaeyang PaperUnfaithful disclosure