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Key filings, December 23, 2025

495 filings · 8 highlights
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Supply contracts 48

12/23AmendedJNK GlobalWorth 176.3% of last year's revenue, over about 37 months.₩231B
12/23Hana TechnologyWorth 167.3% of last year's revenue, over about 24 months.₩158B
12/23AmendedSK BioscienceWorth 88.7% of last year's revenue, over about 57 months.₩200B
12/23AmendedSGWorth 77.9% of last year's revenue, over about 24 months.₩70B
12/23Qualitas SemiconductorWorth 38.9% of last year's revenue, over about 12 months.₩2.4B
12/23AmendedNamkwang Engineering & ConstructionWorth 31.1% of last year's revenue, over about 83 months.₩73.4B
12/23AmendedMX RoboticsWorth 27.7% of last year's revenue, over about 93 months.₩20.1B
12/23AmendedRaontechWorth 26.2% of last year's revenue, over about 17 months.₩2.8B
12/23AmendedEehwaConstructionWorth 24.5% of last year's revenue, over about 22 months.₩47.7B
12/23AmendedDawon NexviewWorth 22.3% of last year's revenue, over about 4 months.₩4.2B
12/23SphereWorth 19.8% of last year's revenue, over about 12 months.₩505.4M
12/23AmendedBHIWorth 19.6% of last year's revenue, over about 53 months.₩47.7B
12/23AmendedENCellWorth 19.4% of last year's revenue, over about 24 months.₩2B
12/23Hanwha OceanWorth 18.3% of last year's revenue, over about 42 months.₩1.97T
12/23Yunsung F&CWorth 16.7% of last year's revenue, over about 43 months.₩45.2B
12/23Kumyang Green PowerWorth 12.3% of last year's revenue, over about 24 months.₩30B
12/23AmendedViatron TechnologiesWorth 10.9% of last year's revenue, over about 10 months.₩6.3B
12/23AmendedNamkwang Engineering & ConstructionWorth 10.1% of last year's revenue, over about 74 months.₩45.3B
12/23AmendedHL D&I HallaWorth 9.6% of last year's revenue, over about 82 months.₩127B
12/23Sanil ElectricWorth 9.4% of last year's revenue, over about 34 months.₩31.4B
12/23AmendedSenkoWorth 9.1% of last year's revenue, over about 40 months.₩2.5B
12/23AmendedKCC Engineering & ConstructionWorth 8.6% of last year's revenue, over about 86 months.₩114B
12/23AmendedHeerim Architects & PlannersWorth 8.4% of last year's revenue, over about 218 months.₩10B
12/23WithtechWorth 8% of last year's revenue, over about 12 months.₩3.5B
12/23AmendedHanwha AerospaceWorth 7.9% of last year's revenue, over about 157 months.₩351B
12/23Hankook SteelWorth 7.8% of last year's revenue, over about 18 months.₩3.7B
12/23Samsung Heavy IndustriesWorth 7.5% of last year's revenue, over about 39 months.₩743B
12/23NRBWorth 7.3% of last year's revenue, over about 11 months.₩3.9B
12/23HDC HoldingsWorth 7.1% of last year's revenue.₩302B
12/23Ipark Hyundai Development CompanyWorth 7.1% of last year's revenue.₩302B
12/23AmendedHS HwasungWorth 6.4% of last year's revenue, over about 77 months.₩26.7B
12/23Hankuk CarbonWorth 5.8% of last year's revenue, over about 28 months.₩43.1B
12/23DongbuWorth 5.7% of last year's revenue.₩95.5B
12/23SeAH Steel HoldingsWorth 5.4% of last year's revenue, over about 9 months.₩98.1B
12/23SeAH SteelWorth 5.4% of last year's revenue, over about 9 months.₩98.1B
12/23AmendedSK eternixWorth 5.3% of last year's revenue, over about 1 month.₩17.7B
12/23Samsung C&TWorth 4.8% of last year's revenue, over about 57 months.₩2.02T
12/23Korea Electronic Power Industrial DevelopmentWorth 4.8% of last year's revenue, over about 36 months.₩17.5B
12/23KolonWorth 4.4% of last year's revenue.₩127B
12/23KolonGlobalWorth 4.4% of last year's revenue.₩127B
All supply contracts →

Insider trades 42

12/23KNR SystemsInsider ownership report
12/23Bosung Power TechnologyInsider ownership report
12/23KNR SystemsInsider ownership report
12/23DaehanPharmaceuticalInsider ownership report
12/23Hana Thirty-six Special Purpose Acquisition CompanyInsider ownership report
12/23DSR WireInsider ownership report
12/23KNR SystemsInsider ownership report
12/23KNR SystemsInsider ownership report
12/23ERCOHS AgriculturalInsider ownership report
12/23HybeInsider ownership report
12/23ERCOHS AgriculturalInsider ownership report
12/23KNR SystemsInsider ownership report
12/23CS WindInsider ownership report
12/23SamjinfoodInsider ownership report
12/23SamjinfoodInsider ownership report
12/23KSS LineInsider ownership report
12/23HD Hyundai Marine SolutionInsider ownership report
12/23AcrylInsider ownership report
12/23AcrylInsider ownership report
12/23AcrylInsider ownership report
12/23AcrylInsider ownership report
12/23AcrylInsider ownership report
12/23DITInsider ownership report
12/23AcrylInsider ownership report
12/23AcrylInsider ownership report
12/23STIC InvestmentsInsider ownership report
12/23DITInsider ownership report
12/23STrafficInsider ownership report
12/23Saeronautomotive CorporrationInsider ownership report
12/23MotonicInsider ownership report
12/23MotonicInsider ownership report
12/23MotonicInsider ownership report
12/23MotonicInsider ownership report
12/23MotonicInsider ownership report
12/23MotonicInsider ownership report
12/23MotonicInsider ownership report
12/23Posco InternationalInsider ownership report
12/23GenorayInsider ownership report
12/23Nara Mold and DIEInsider ownership report
12/23RF SystemsInsider ownership report
All insider trades →

5% holders 53

12/23New 5%SamjinfoodA major holder's stake rose from 0.00% to 53.08% (new report).53.08%
12/23New 5%VivienA major holder's stake rose from 0.00% to 25.31% (new report).25.31%
12/23New 5%AcrylA major holder's stake rose from 0.00% to 25.03%.25.03%
12/23New 5%IBKS No.25 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 16.81% (new report).16.81%
12/23New 5%Hana Thirty-six Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 16.25% (new report).16.25%
12/23New 5%Bosung Power TechnologyA major holder's stake rose from 0.00% to 14.56% (inheritance).14.56%
12/23New 5%AcrylA major holder's stake rose from 0.00% to 7.96% (new report).7.96%
12/23CosLeaguer GlobalA major holder's stake rose from 55.73% to 73.17% (conversion/exercise).73.17%
12/23New 5%Incar Financial ServiceA major holder's stake rose from 0.00% to 5.12%.5.12%
12/23New 5%HD Hyundai Marine SolutionA major holder's stake rose from 0.00% to 5.04% (new report).5.04%
12/23Below 5%Bosung Power TechnologyA major holder's stake fell from 14.56% to 0.00% (inheritance).0.00%
12/23Below 5%OntideA major holder's stake fell from 12.71% to 0.00% (off-market sale).0.00%
12/23New 5%Wonik IPSA major holder's stake rose from 4.90% to 5.19%.5.19%
12/23New 5%TovisA major holder's stake rose from 4.98% to 5.02%.5.02%
12/23EcoGlowA major holder's stake rose from 13.14% to 20.45% (conversion/exercise).20.45%
12/23KPM TechA major holder's stake rose from 17.08% to 21.46% (conversion/exercise).21.46%
12/23Below 5%CHA AI HealthkareA major holder's stake rose from 0.00% to 4.23% (conversion/exercise).4.23%
12/23Below 5%Nara Space TechnologyA major holder's stake rose from 0.00% to 3.43% (new report).3.43%
12/23Below 5%SamjinfoodA major holder's stake rose from 0.00% to 2.49% (open-market sale).2.49%
12/23YjlinkA major holder's stake fell from 48.32% to 46.50% (related-party change).46.50%
12/23YMA major holder's stake rose from 39.46% to 40.51% (pledge).40.51%
12/23KinxA major holder's stake rose from 11.18% to 12.19%.12.19%
12/23AmendedMirae Asset Venture InvestmentA major holder's stake rose from 67.46% to 68.36% (related-party change).68.36%
12/23SajodaerimA major holder's stake rose from 72.00% to 72.61% (related-party change).72.61%
12/23Victory ContentsA major holder's stake fell from 14.63% to 14.04% (off-market sale).14.04%
12/23FnGuideA major holder's stake fell from 10.49% to 9.97% (open-market sale).9.97%
12/23RF SystemsA major holder's stake fell from 49.53% to 49.08% (open-market buy).49.08%
12/23Dae-IlA major holder's stake fell from 37.91% to 37.49%.37.49%
12/23KNR SystemsA major holder's stake fell from 48.49% to 48.09% (stock option).48.09%
12/23AmendediM Financial GroupA major holder's stake rose from 9.92% to 9.99% (related-party change).9.99%
12/23Studio MirA major holder's stake rose from 65.44% to 65.46% (pledge).65.46%
12/23HanssemA major holder's stake fell from 35.97% to 35.96% (related-party change).35.96%
12/23CreverA major holder's stake rose from 24.94% to 24.94%.24.94%
12/23Sajo IndustriesA major holder's stake rose from 67.58% to 67.58% (pledge).67.58%
12/23Doosan RoboticsA major holder's stake rose from 68.11% to 68.11%.68.11%
12/23Moda-InnoChipsA major holder's stake rose from 75.69% to 75.69% (pledge).75.69%
12/23Bosung Power TechnologyA major holder's stake rose from 14.56% to 14.56% (pledge).14.56%
12/23Hanmi ScienceA major holder's stake rose from 18.97% to 18.97% (share lending).18.97%
12/23Hanmi ScienceA major holder's stake rose from 18.97% to 18.97% (share lending).18.97%
12/23ERCOHS AgriculturalReport of 5%+ holding
All 5% holders →

Buybacks 20

12/23DisposalDB InsurancePlans to dispose of 600,000 sh of treasury stock, Dec 26 to Dec 26.₩74.2B
12/23DisposalKwangdong PharmaceuticalPlans to dispose of 6,645,406 sh of treasury stock, Dec 24 to Dec 24.₩39.7B
12/23DisposalHumedixPlans to dispose of 469,483 sh of treasury stock, Dec 24 to Dec 31.₩20B
12/23CancellationKwangdong PharmaceuticalCancels 2,621,043 sh, 5.00% of shares issued, on Jan 9.2,621,043 sh
12/23DisposalHumedixPlans to dispose of 336,900 sh of treasury stock, Dec 24 to Dec 24.₩13.9B
12/23DisposalYASPlans to dispose of 989,531 sh of treasury stock, Dec 31 to Dec 31.₩11.9B
12/23AmendedDisposalSimmtech HoldingsPlans to dispose of 2,013,455 sh of treasury stock, Dec 24 to Jan 30.₩5.5B
12/23DisposalSamwha CapacitorPlans to dispose of 134,000 sh of treasury stock, Dec 24 to Dec 24.₩4.1B
12/23TrustUILSigned a ₩3.5B trust contract to buy back shares.₩3.5B
12/23DisposalDK-LokPlans to dispose of 276,611 sh of treasury stock, Dec 24 to Dec 24.₩2.7B
12/23DisposalCorestemchemonPlans to dispose of 1,917,771 sh of treasury stock, Dec 24 to Dec 26.₩2.5B
12/23DisposalSamyung TradingPlans to dispose of 116,000 sh of treasury stock, Dec 24 to Dec 31.₩1.9B
12/23DisposalI&C TechnologyPlans to dispose of 260,900 sh of treasury stock, Dec 23 to Dec 23.₩597.5M
12/23AmendedDisposalSeojin AutomotivePlans to dispose of 123,946 sh of treasury stock, Dec 24 to Dec 24.₩358.2M
12/23DisposalDSKPlans to dispose of 4,400 sh of treasury stock, Dec 23 to Dec 23.₩30M
12/23DisposalAproPlans to dispose of 990 sh of treasury stock, Dec 29 to Jan 29.₩5.5M
12/23AmendedDaewoongTreasury stock disposal
12/23DaewoongTreasury stock disposal
12/23Simmtech HoldingsTreasury stock disposal
12/23Seojin AutomotiveTreasury stock disposal

Share issues & bonds 31

12/23Rights offeringHironicIssuing 2,600,000 sh of new shares, equal to 14% of existing shares.₩13.2B
12/23AmendedCBOrbitechConversion price ₩4,229; if all converted, equal to 4.1% of shares outstanding.₩5B
12/23AmendedHanwha SystemsRights offering
12/23AmendedHanwha AerospaceRights offering
12/23AmendedHanwha OceanRights offering
12/23AmendedHanwha SystemsRights offering
12/23AmendedPeopleBioConvertible bond issue
12/23AmendedTrinity AirwaysRights offering
12/23AmendedVictory ContentsConvertible bond issue
12/23AmendedARIBIO HoldingsConvertible bond issue
12/23AmendedHanWool & JejuRights offering
12/23KEM TechConvertible bond issue
12/23AmendedJ Steel Company HoldingsRights offering
12/23AmendedTHE E&MConvertible bond issue
12/23AmendedGencurixRights offering
12/23L&C BIORights offering
12/23AmendedDrtechRights offering
12/23DrtechRights offering
12/23AtumRights offering
12/23GencurixConvertible bond issue
12/23AmendedRights offeringGlobal Tax FreeRights offering
12/23GencurixRights offering
12/23AmendedMoadataRights offering
12/23EBYASExchange price ₩12,064; if all exchanged, equal to 7.6% of shares outstanding.₩11.9B
12/23AmendedChina Crystal New Material HoldingsRights offering
12/23AmendedGeneOne Life ScienceRights offering
12/23AmendedBeautyskinBonus issue
12/23AmendedGeneOne Life ScienceRights offering
12/23AmendedMemRAY BTConvertible bond issue
12/23BeautyskinBonus issue
12/23CellumedRights offering

M&A & spin-offs 6

12/23AmendedPeopleBioTangible asset deal
12/23AmendedLskairobotStake acquisition/disposal
12/23iWINTangible asset deal
12/23AmendedDYDTangible asset deal
12/23AmendedMemRAY BTStake acquisition/disposal
12/23SCL ScienceBusiness transfer

Exchange actions 5

12/23People & TechnologyUnfaithful disclosure
12/23ItoxiCapital reduction
12/23SCL ScienceBusiness transfer
12/23Hana TechnologyTrading halt
12/23BeautyskinBonus issue