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Key filings, January 29, 2026

489 filings · 11 highlights
← January 28, 2026January 30, 2026 →

Supply contracts 15

1/29AmendedSamsung E&AWorth 24.5% of last year's revenue, over about 101 months.₩1.72T
1/29Daehan ShipbuildingWorth 23.6% of last year's revenue, over about 40 months.₩254B
1/29AmendedFaduWorth 22.7% of last year's revenue, over about 6 months.₩9.9B
1/29AmendedJeil M&SWorth 20.1% of last year's revenue, over about 20 months.₩28.8B
1/29AmendedLasersselWorth 18.8% of last year's revenue, over about 9 months.₩753M
1/29AmendedWoowon DevelopmentWorth 18.6% of last year's revenue, over about 89 months.₩53.9B
1/29Qualitas SemiconductorWorth 16.3% of last year's revenue, over about 12 months.₩988.1M
1/29AmendedIMTWorth 13.1% of last year's revenue, over about 8 months.₩1.8B
1/29AmendedWoori Technology, InWorth 10.9% of last year's revenue, over about 15 months.₩6.9B
1/29AmendedSambu ConstructionWorth 10.4% of last year's revenue, over about 56 months.₩37.1B
1/29Amended4by4Worth 9.7% of last year's revenue, over about 33 months.₩1.6B
1/29AmendedDong-Ah Geological Engineering CompanyWorth 9.6% of last year's revenue, over about 18 months.₩33B
1/29Viatron TechnologiesWorth 9% of last year's revenue, over about 4 months.₩5.2B
1/29AmendedPrestige BioPharmaWorth 8.6% of last year's revenue, over about 5 months.₩1.2B
1/29Chinhung InternationalWorth 4.2% of last year's revenue, over about 47 months.₩30.5B

Preliminary earnings 19

1/29Swung to profitDaeduck ElectronicsOperating profit: swung to profit (-₩6B → ₩29B). Revenue ₩318B, up 54% YoY.₩29B
1/29Posco M-TechOperating profit ₩3.3B, up 230.8% YoY. Revenue ₩98.9B, up 3.3% YoY.₩3.3B
1/29Samsung Electronics Co,Operating profit ₩20.07T, up 209.2% YoY. Revenue ₩93.84T, up 23.8% YoY.₩20.07T
1/29Posco SteeleonOperating profit ₩1.2B, down 85.7% YoY. Revenue ₩273B, down 1.1% YoY.₩1.2B
1/29Kumho Petro ChemicalOperating profit ₩1.5B, down 84.8% YoY. Revenue ₩1.59T, down 12% YoY.₩1.5B
1/29Posco SteeleonOperating profit ₩2.1B, down 84.7% YoY. Revenue ₩282B, down 1.5% YoY.₩2.1B
1/29Hyundai Motor SecuritiesOperating profit ₩4B, down 46.4% YoY. Revenue ₩457B, down 27.9% YoY.₩4B
1/29Hyundai MotorOperating profit ₩1.70T, down 39.9% YoY. Revenue ₩46.84T, up 0.5% YoY.₩1.70T
1/29S-1Operating profit ₩55.8B, up 16.6% YoY. Revenue ₩784B, up 2.7% YoY.₩55.8B
1/29Hyundai GlovisOperating profit ₩508B, up 10.6% YoY. Revenue ₩7.47T, up 2.5% YoY.₩508B
1/29HS HyosungOperating profit ₩10.7B, down 1.2% YoY. Revenue ₩332B, down 5.3% YoY.₩10.7B
1/29Loss widenedLG ChemOperating profit: loss widened (-₩261B → -₩413B). Revenue ₩11.20T, down 8.8% YoY.-₩413B
1/29POSCO HoldingsPreliminary operating results
1/29POSCO HoldingsPreliminary operating results
1/29Loss widenedPosco Future MOperating profit: loss widened (-₩41.3B → -₩51.8B). Revenue ₩558B, down 22.9% YoY.-₩51.8B
1/29Loss widenedPosco Future MOperating profit: loss widened (-₩29.1B → -₩47.9B). Revenue ₩508B, down 27.9% YoY.-₩47.9B
1/29AmendedLoss narrowedLG Energy SolutionOperating profit: loss narrowed (-₩226B → -₩122B). Revenue ₩6.14T, down 4.8% YoY.-₩122B
1/29Posco InternationalOperating profit ₩1.17T. Revenue ₩32.37T.₩1.17T
1/29AmendedSamsung Electronics Co,Preliminary operating results

Insider trades 96

1/29Insun Environmental NEW TechnologyInsider ownership report
1/29SK InnovationInsider ownership report
1/29Kumho Petro ChemicalInsider ownership report
1/29DaehanPharmaceuticalInsider ownership report
1/29Access BioInsider ownership report
1/29SK hynixInsider ownership report
1/29PoongsanInsider ownership report
1/29Access BioInsider ownership report
1/29SK hynixInsider ownership report
1/29SK hynixInsider ownership report
1/29SK hynixInsider ownership report
1/29ChemtrosInsider ownership report
1/29YoungoneInsider ownership report
1/29SeAH Steel HoldingsInsider ownership report
1/29Protec Mems TechnologyInsider ownership report
1/29Hanon SystemsInsider ownership report
1/29InkredibleBuzzInsider ownership report
1/29JVMInsider ownership report
1/29KNR SystemsInsider ownership report
1/29HeunguOilInsider ownership report
1/29Cheil WorldwideInsider ownership report
1/29JVMInsider ownership report
1/29JVMInsider ownership report
1/29NeuromekaInsider ownership report
1/29Welkeeps HitechInsider ownership report
1/29HeunguOilInsider ownership report
1/29JVMInsider ownership report
1/29IntermInsider ownership report
1/29MegatouchInsider ownership report
1/29JVMInsider ownership report
1/29A Plus Asset AdvisorInsider ownership report
1/29JB Financial GroupInsider ownership report
1/29SghealthcareInsider ownership report
1/29SolbornInsider ownership report
1/29JVMInsider ownership report
1/29SolbornInsider ownership report
1/29SghealthcareInsider ownership report
1/29Hanmi Pharm.Insider ownership report
1/29Hanmi Pharm.Insider ownership report
1/29Hanmi Pharm.Insider ownership report
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5% holders 39

1/29New 5%Hanyang ENGA major holder's stake rose from 0.00% to 46.53%.46.53%
1/29New 5%Atlas LinkA major holder's stake rose from 0.00% to 20.21% (new report).20.21%
1/29New 5%MegatouchA major holder's stake rose from 0.00% to 20.00% (rights offering).20.00%
1/29New 5%Episode CompanyA major holder's stake rose from 0.00% to 7.93% (new report).7.93%
1/29Day1 CompanyA major holder's stake fell from 42.06% to 25.72% (stock option).25.72%
1/29New 5%NeurophetA major holder's stake rose from 0.00% to 5.01% (new report).5.01%
1/29New 5%DB InsuranceBlackRock's stake rose from 4.94% to 5.06%.5.06%
1/29AmendedBelow 5%Shinsung STA major holder's stake fell from 9.99% to 0.00% (pledge).0.00%
1/29AscendioA major holder's stake fell from 11.44% to 6.11%.6.11%
1/29Seojin SystemA major holder's stake fell from 48.19% to 43.02% (share lending).43.02%
1/29ChemtrosA major holder's stake rose from 28.03% to 32.66% (conversion/exercise).32.66%
1/29Below 5%Dynamic DesignA major holder's stake fell from 7.84% to 3.50%.3.50%
1/29Sammi Metal ProductsA major holder's stake fell from 12.40% to 9.20%.9.20%
1/29AcrylA major holder's stake fell from 8.32% to 5.53%.5.53%
1/29SphereA major holder's stake fell from 37.96% to 35.97% (pledge).35.97%
1/29Jinsung T.e.cA major holder's stake rose from 5.19% to 6.48%.6.48%
1/29InkredibleBuzzA major holder's stake rose from 14.36% to 15.45% (open-market buy).15.45%
1/29Below 5%Powernet TechnologiesA major holder's stake fell from 5.66% to 4.90%.4.90%
1/29SolbornA major holder's stake rose from 60.26% to 60.79%.60.79%
1/29ChungdamglobalA major holder's stake fell from 39.70% to 39.51% (pledge).39.51%
1/29Wing's FootA major holder's stake rose from 61.33% to 61.44% (off-market buy).61.44%
1/29Access BioA major holder's stake rose from 24.69% to 24.71% (open-market buy).24.71%
1/29JB Financial GroupA major holder's stake fell from 14.88% to 14.86%.14.86%
1/29WISE iTechA major holder's stake rose from 34.50% to 34.50%.34.50%
1/29KumyangA major holder's stake rose from 26.55% to 26.55% (share lending).26.55%
1/29TPA major holder's stake rose from 30.47% to 30.47% (pledge).30.47%
1/29GaonchipsA major holder's stake rose from 48.08% to 48.08% (pledge).48.08%
1/29M2nA major holder's stake rose from 37.30% to 37.30% (share lending).37.30%
1/29Sungho ElectronicsA major holder's stake rose from 64.33% to 64.33%.64.33%
1/29Hana TechnologyA major holder's stake rose from 29.32% to 29.32% (share lending).29.32%
1/29FarmsA major holder's stake rose from 56.63% to 56.63% (pledge).56.63%
1/29SunjinA major holder's stake rose from 50.08% to 50.08% (pledge).50.08%
1/29AmendedVictory ContentsReport of 5%+ holding
1/29HarimA major holder's stake rose from 58.89% to 58.89% (pledge).58.89%
1/29Pan OceanA major holder's stake rose from 54.92% to 54.92% (pledge).54.92%
1/29K AuctionA major holder's stake rose from 50.82% to 50.82% (pledge).50.82%
1/29EcoproA major holder's stake rose from 25.57% to 25.57% (share lending).25.57%
1/29Victory ContentsReport of 5%+ holding
1/29AsterasysA major holder's stake rose from 46.53% to 46.53% (pledge).46.53%

Buybacks 15

1/29BuybackSamsung Electronics Co,Plans to buy back 22,000,000 sh of treasury stock, Jan 30 to Apr 29.₩3.57T
1/29DisposalSamsung Electronics Co,Plans to dispose of 6,729,069 sh of treasury stock, Jan 30 to Jan 30.₩1.09T
1/29BuybackHyundai MotorPlans to buy back 869,924 sh of treasury stock, Jan 30 to Apr 27.₩401B
1/29TrustLG ElectronicsSigned a ₩100B trust contract to buy back shares.₩100B
1/29DisposalMntechPlans to dispose of 2,158,828 sh of treasury stock, Jan 30 to Jan 30.₩28B
1/29AmendedBuybackMakusPlans to buy back 300,000 sh of treasury stock, Feb 2 to Apr 28.₩6.5B
1/29DisposalRingNetPlans to dispose of 500,000 sh of treasury stock, Jan 30 to Feb 27.₩1.9B
1/29TrustLindeman Asia InvestmentEnded a share buyback trust contract.₩1B
1/29DisposalPangrimPlans to dispose of 180,333 sh of treasury stock, Jan 30 to Feb 2.₩990M
1/29DisposalFine SemitechPlans to dispose of 7,510 sh of treasury stock, Jan 30 to Feb 2.₩372.1M
1/29AmendedSebo Manufacturing EngineeringShare cancellation
1/29LGBuyback trust contract
1/29AmendedSebo Manufacturing EngineeringTreasury stock disposal
1/29HS HyosungTreasury stock disposal
1/29MakusTreasury stock acquisition

Share issues & bonds 15

1/29AmendedCBSAMBO IndustrialConversion price ₩1,784; if all converted, equal to 13.6% of shares outstanding.₩4.6B
1/29AmendedCBSphereConversion price ₩14,213; if all converted, equal to 3.6% of shares outstanding.₩25B
1/29SphereRights offering
1/29JK SynapRights offering
1/29InkredibleBuzzRights offering
1/29AmendedTHE Willbes &Rights offering
1/29AmendedLightron Fiber-Optic DevicesRights offering
1/29AmendedJ Steel Company HoldingsRights offering
1/29AmendedHanWool & JejuRights offering
1/29SAMBO IndustrialConvertible bond issue
1/29AmendedT&R BiofabConvertible bond issue
1/29AmendedICHRights offering
1/29AmendedKS IndustryConvertible bond issue
1/29JK SynapConvertible bond issue
1/29AmendedXperixRights offering

M&A & spin-offs 7

1/29AmendedSKCStake acquisition/disposal
1/29AmendedPond GroupMerger
1/29AmendedPond GroupMerger
1/29Pond GroupMerger
1/29Pond GroupMerger
1/29AmendedcuracleMerger
1/29AmendedNauroboticsStake acquisition/disposal

Exchange actions 1

1/29LSUnfaithful disclosure