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Key filings, October 29, 2026

506 filings · 12 highlights
← October 28, 2026October 30, 2026 →

Supply contracts 30

10/29AmendedEcoSimplexWorth 65% of last year's revenue, over about 12 months.₩11.7B
10/29AmendedSemyungElectricMachineryWorth 62.3% of last year's revenue, over about 22 months.₩7.4B
10/29AmendedQualitas SemiconductorWorth 49.2% of last year's revenue, over about 12 months.₩3B
10/29AmendedBHIWorth 38% of last year's revenue, over about 37 months.₩140B
10/29HVMWorth 28.5% of last year's revenue, over about 7 months.₩19B
10/29Zaram TechnologyWorth 27.9% of last year's revenue, over about 13 months.₩3B
10/29AmendedWoowon DevelopmentWorth 27.9% of last year's revenue, over about 61 months.₩54.7B
10/29AmendedKCC Engineering & ConstructionWorth 20.1% of last year's revenue, over about 48 months.₩221B
10/29AmendedDevelopment Advance SolutionWorth 18.8% of last year's revenue, over about 61 months.₩42.1B
10/29AmendedNRBWorth 17.7% of last year's revenue, over about 22 months.₩9.3B
10/29AmendedQualitas SemiconductorWorth 16.4% of last year's revenue, over about 12 months.₩999.2M
10/29TY HoldingsWorth 15.2% of last year's revenue.₩330B
10/29Taeyoung Engineering & ConstructionWorth 15.2% of last year's revenue.₩330B
10/29DukshinepcWorth 12.6% of last year's revenue, over about 9 months.₩13.4B
10/29MercuryWorth 11.5% of last year's revenue, over about 20 months.₩14.2B
10/29AmendedHNK Machine ToolWorth 10.9% of last year's revenue, over about 21 months.₩3.3B
10/293s KoreaWorth 10.8% of last year's revenue, over about 14 months.₩3.1B
10/29NableWorth 10% of last year's revenue, over about 2 months.₩1.9B
10/29AscendioWorth 9.4% of last year's revenue, over about 12 months.₩555.6M
10/29meerecompanyIncorporatedWorth 7.9% of last year's revenue, over about 5 months.₩3.2B
10/29Sanil ElectricWorth 6.5% of last year's revenue, over about 74 months.₩32.6B
10/29AmendedPosco DX CompanyWorth 6.2% of last year's revenue, over about 35 months.₩71.5B
10/29Korea Engineering ConsultantsWorth 5.4% of last year's revenue.₩22.2B
10/29DongbuWorth 5.3% of last year's revenue.₩92.3B
10/29HyosungWorth 5.2% of last year's revenue, over about 12 months.₩24M
10/29Samsung E&AWorth 4.5% of last year's revenue, over about 28 months.₩407B
10/29Korea Engineering ConsultantsWorth 4.3% of last year's revenue.₩17.6B
10/29Hyundai Engineering & ConstructionWorth 3.4% of last year's revenue.₩1.05T
10/29Kye-Ryong Construction IndustrialWorth 3.2% of last year's revenue.₩91.6B
10/29Curiox BiosystemsSupply contract terminated

Preliminary earnings 42

10/29Swung to profitSamsung SDIOperating profit: swung to profit (-₩591B → ₩408B). Revenue ₩4.69T, up 52.6% YoY.₩408B
10/29Swung to profitHanwha SolutionsOperating profit: swung to profit (-₩7.4B → ₩90.5B). Revenue ₩3.95T, up 17.4% YoY.₩90.5B
10/29Swung to profitOCI Holdings CompanyOperating profit: swung to profit (-₩53.3B → ₩68B). Revenue ₩1.06T, up 25.7% YoY.₩68B
10/29Swung to profitMezooOperating profit: swung to profit (-₩734M → ₩2.1B). Revenue ₩6.1B, up 163.5% YoY.₩2.1B
10/29Swung to lossHaatzOperating profit: swung to loss (₩2.2B → -₩457M). Revenue ₩34.4B, down 14.7% YoY.-₩457M
10/29HandokOperating profit ₩3.8B, up 1208.4% YoY. Revenue ₩137B, down 2.7% YoY.₩3.8B
10/29Samsung Electronics Co,Operating profit ₩107.44T, up 783.1% YoY. Revenue ₩195.25T, up 126.9% YoY.₩107.44T
10/29SK InnovationOperating profit ₩3.70T, up 532.5% YoY. Revenue ₩28.77T, up 39.7% YoY.₩3.70T
10/29ElcomtecOperating profit ₩1.7B, up 410.5% YoY. Revenue ₩22B, up 86.4% YoY.₩1.7B
10/29Songwon IndustrialOperating profit ₩23.7B, up 340.1% YoY. Revenue ₩301B, up 16.5% YoY.₩23.7B
10/29SatrecInitiativeOperating profit ₩8.2B, up 235.6% YoY. Revenue ₩56.2B, up 11.4% YoY.₩8.2B
10/29Hanwha VisionOperating profit ₩103B, up 183.3% YoY. Revenue ₩573B, up 35.6% YoY.₩103B
10/29Agabang&companyOperating profit ₩4.7B, up 134.4% YoY. Revenue ₩46.7B, up 7.1% YoY.₩4.7B
10/29Whanin PharmOperating profit ₩7.5B, up 111.8% YoY. Revenue ₩71.6B, up 8.9% YoY.₩7.5B
10/29Haesung DSOperating profit ₩33.8B, up 109.9% YoY. Revenue ₩245B, up 37.3% YoY.₩33.8B
10/29Doosan EnerbilityOperating profit ₩261B, up 90.6% YoY. Revenue ₩4.45T, up 14.7% YoY.₩261B
10/29HDC LabsOperating profit ₩4.2B, up 89.7% YoY. Revenue ₩142B, down 8.3% YoY.₩4.2B
10/29ByuksanOperating profit ₩517M, down 87.3% YoY. Revenue ₩93.6B, down 8.4% YoY.₩517M
10/29KB Financial GroupOperating profit ₩381B, up 69.1% YoY. Revenue ₩5.44T, up 98.1% YoY.₩381B
10/29SeAH Besteel HoldingsOperating profit ₩14.4B, down 46.4% YoY. Revenue ₩1.06T, up 14.1% YoY.₩14.4B
10/29Hanwha AerospaceOperating profit ₩452B, down 46.2% YoY. Revenue ₩6.09T, down 6% YoY.₩452B
10/29HyundaiOperating profit ₩50.4B, up 42.3% YoY. Revenue ₩2.70T, up 42.8% YoY.₩50.4B
10/29Samsung Heavy IndustriesOperating profit ₩338B, up 42.1% YoY. Revenue ₩3.15T, up 19.6% YoY.₩338B
10/29Tokai Carbon KoreaOperating profit ₩30.2B, up 35% YoY. Revenue ₩110B, up 38.9% YoY.₩30.2B
10/29JSOperating profit ₩53.9B, up 31.2% YoY. Revenue ₩480B, up 34.6% YoY.₩53.9B
10/29AmorepacificOperating profit ₩115B, up 25.4% YoY. Revenue ₩1.13T, up 11.1% YoY.₩115B
10/29Doosan BobcatOperating profit ₩167B, up 25.3% YoY. Revenue ₩2.46T, up 16.5% YoY.₩167B
10/29AMOREPACIFIC HoldingsOperating profit ₩130B, up 24.7% YoY. Revenue ₩1.21T, up 8.9% YoY.₩130B
10/29LOTTE Fine ChemicalOperating profit ₩22B, down 20.3% YoY. Revenue ₩525B, up 18.5% YoY.₩22B
10/29Kumho TireOperating profit ₩131B, up 20.3% YoY. Revenue ₩1.24T, up 11.1% YoY.₩131B
10/29SupremaOperating profit ₩5.7B, down 13.1% YoY. Revenue ₩32.8B, up 8.2% YoY.₩5.7B
10/29KolmarBNHOperating profit ₩11B, up 12.4% YoY. Revenue ₩115B, down 3.5% YoY.₩11B
10/29Hyundai MotorOperating profit ₩2.68T, up 5.5% YoY. Revenue ₩45.11T, down 3.4% YoY.₩2.68T
10/29Korea Petro Chemical INDOperating profit ₩44.8B, up 4.6% YoY. Revenue ₩911B, up 0.1% YoY.₩44.8B
10/29Taihan Cable & SolutionOperating profit ₩30.9B, up 4.5% YoY. Revenue ₩1.18T, up 37.6% YoY.₩30.9B
10/29Samsung SDSOperating profit ₩241B, up 3.7% YoY. Revenue ₩3.77T, up 11.2% YoY.₩241B
10/29KB Financial GroupOperating profit ₩2.37T, up 1.4% YoY. Revenue ₩24.50T, up 63.6% YoY.₩2.37T
10/29KB Financial GroupOperating profit ₩1.57T, down 0% YoY. Revenue ₩13.83T, up 114.5% YoY.₩1.57T
10/29Yujin TechnologyPreliminary operating results
10/29Loss narrowedDoosan RoboticsOperating profit: loss narrowed (-₩15.3B → -₩13.4B). Revenue ₩16.2B, up 59.1% YoY.-₩13.4B
All preliminary earnings →

Insider trades 69

10/29AmendedBuyKumho HT10%+ shareholder bought 323,973 sh on the market at an average ₩7,132, Oct 20–26.₩2.3B
10/29Net saleESR Kendall Square REIT10%+ shareholder bought 5 sh and sold 221,144 sh, Oct 22–28: net sale of 221,139 sh.₩15,550
10/29Net saleSK Reit10%+ shareholder bought 6 sh and sold 126,374 sh, Oct 22–28: net sale of 126,368 sh.₩31,500
10/29BuyTN entertainment10%+ shareholder bought 125,204 sh on the market at an average ₩3,717, Oct 22–29.₩465.4M
10/29BuyInzisoftCEO bought 15,085 sh on the market at an average ₩19,293, Oct 23–28.₩291M
10/29SaleKoramco Life Infra Reit10%+ shareholder sold 75,000 sh on the market at an average ₩3,703, Oct 23–28.₩277.7M
10/29BuyOrum TherapeuticsCEO bought 10,000 sh on the market at an average ₩17,176, Oct 23.₩171.8M
10/29BuyQualitas SemiconductorExecutive bought 11,385 sh on the market at an average ₩9,672, Oct 23–30.₩110.1M
10/29BuyMezzion PharmaCEO bought 1,940 sh on the market at an average ₩51,537, Oct 29.₩100M
10/29BuyDaihan ScientificDirector bought 27,053 sh on the market at an average ₩3,695, Oct 28–29.₩100M
10/29BuyDaihan ScientificCEO bought 27,767 sh on the market at an average ₩3,457, Oct 28–29.₩96M
10/29BuyNamsungCEO bought 18,300 sh on the market at an average ₩4,566, Oct 29–30.₩83.6M
10/29BuyMetacareCEO bought 63,199 sh on the market at an average ₩1,286, Oct 22–28.₩81.3M
10/29SaleMirae Asset Global REIT10%+ shareholder sold 66,923 sh on the market at an average ₩1,183, Oct 22–28.₩79.2M
10/29SaleShinhan Seobu T&D REIT10%+ shareholder sold 20,000 sh on the market at an average ₩3,905, Oct 23–28.₩78.1M
10/29Net saleHanwha REIT10%+ shareholder bought 3 sh and sold 15,003 sh, Oct 22–28: net sale of 15,000 sh.₩15,300
10/29BuyHana Financial GroupOutside director bought 650 sh on the market at an average ₩113,469, Oct 28–29.₩73.8M
10/29Net saleShinhan Alpha REIT Co,.10%+ shareholder bought 2 sh and sold 10,002 sh, Oct 22–28: net sale of 10,000 sh.₩11,200
10/29SaleIGIS Value Plus REIT10%+ shareholder sold 11,000 sh on the market at an average ₩3,317, Oct 23–27.₩36.5M
10/29BuyAnapassCEO bought 2,097 sh on the market at an average ₩10,871, Oct 27.₩22.8M
10/29Net saleLotte Reit10%+ shareholder bought 6 sh and sold 5,005 sh, Oct 22–28: net sale of 4,999 sh.₩25,140
10/29BuySamsungFN REIT10%+ shareholder bought 348,825 sh on the market at an average ₩31, Oct 22–26.₩10.9M
10/29BuyIntergisDirector bought 5,511 sh on the market at an average ₩1,805, Oct 29.₩9.9M
10/29BuySJG SejongExecutive bought 1,000 sh on the market at an average ₩5,760, Oct 28.₩5.8M
10/29BuyTongyangDirector bought 4,180 sh on the market at an average ₩1,005, Oct 29.₩4.2M
10/29BuyMeritz Financial GroupPresident bought 14 sh on the market at an average ₩130,555, Oct 23.₩1.8M
10/29BuyMeritz Financial GroupExecutive bought 11 sh on the market at an average ₩130,555, Oct 23.₩1.4M
10/29BuyAnapassDirector bought 100 sh on the market at an average ₩10,980, Oct 26.₩1.1M
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,605 sh (other change).+1,605 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,114 sh (other change).+1,114 sh
10/29Other changeHT RoboticsCEO's holding rose by 32,000 sh (stock option).+32,000 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,300 sh (other change).+1,300 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 2,073 sh (other change).+2,073 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,943 sh (other change).+1,943 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,688 sh (other change).+1,688 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,579 sh (other change).+1,579 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,093 sh (other change).+1,093 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,630 sh (other change).+1,630 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,720 sh (other change).+1,720 sh
10/29Other changeKohYoungTechnologyDirector's holding rose by 1,455 sh (other change).+1,455 sh
All insider trades →

5% holders 36

10/29New 5%MsbioA major holder's stake rose from 0.00% to 39.35% (new report).39.35%
10/29New 5%MsbioA major holder's stake rose from 0.00% to 14.27%.14.27%
10/29New 5%TNE KoreaA major holder's stake rose from 0.00% to 10.32% (new report).10.32%
10/29New 5%VitzrocellA major holder's stake rose from 0.00% to 7.02%.7.02%
10/29New 5%SK Securities No.14 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 6.98% (new report).6.98%
10/29New 5%DTSA major holder's stake rose from 0.00% to 5.35% (open-market sale).5.35%
10/29New 5%Able C&CA major holder's stake rose from 4.95% to 5.15% (new report).5.15%
10/29New 5%KohYoungTechnologyA major holder's stake rose from 4.97% to 5.00%.5.00%
10/29Below 5%MsbioA major holder's stake rose from 0.00% to 4.98% (new report).4.98%
10/29AmendedKumho HTA major holder's stake rose from 49.21% to 52.30% (open-market buy).52.30%
10/29TN entertainmentA major holder's stake rose from 64.31% to 66.34% (open-market buy).66.34%
10/29iFamilySC Co,.A major holder's stake rose from 41.59% to 43.34% (related-party change).43.34%
10/29EugeneTechnologyA major holder's stake fell from 6.48% to 5.00%.5.00%
10/29CrowdWorksA major holder's stake fell from 7.72% to 6.26%.6.26%
10/29cooconA major holder's stake rose from 30.89% to 32.18% (related-party change).32.18%
10/29Sewoo Global Co,A major holder's stake rose from 9.62% to 10.68% (related-party change).10.68%
10/29KohYoungTechnologyA major holder's stake fell from 7.61% to 6.96% (related-party change).6.96%
10/29LS Marine SolutionA major holder's stake rose from 69.96% to 70.44%.70.44%
10/29ICHA major holder's stake fell from 39.56% to 39.11% (pledge).39.11%
10/29Intelligent Digital Integrated SecurityA major holder's stake rose from 59.71% to 60.09% (open-market buy).60.09%
10/29Fine M-TecA major holder's stake fell from 26.97% to 26.68% (pledge).26.68%
10/29FSNA major holder's stake rose from 28.97% to 29.14% (open-market buy).29.14%
10/29MH MaterialsA major holder's stake rose from 30.52% to 30.61% (open-market buy).30.61%
10/29XplusA major holder's stake rose from 38.04% to 38.10% (rights offering).38.10%
10/29KohYoungTechnologyA major holder's stake rose from 20.93% to 20.98% (related-party change).20.98%
10/29JetemaA major holder's stake rose from 28.91% to 28.94% (open-market buy).28.94%
10/29AbkoA major holder's stake rose from 32.55% to 32.55% (open-market buy).32.55%
10/29E1A major holder's stake rose from 45.46% to 45.46% (related-party change).45.46%
10/29Yg-1A major holder's stake rose from 31.03% to 31.03% (pledge).31.03%
10/29DongKoo Bio & PharmaA major holder's stake rose from 37.18% to 37.18% (share lending).37.18%
10/29MntechA major holder's stake rose from 22.50% to 22.50%.22.50%
10/29ChabiotechA major holder's stake rose from 25.12% to 25.12% (share lending).25.12%
10/29Asia TechnologyA major holder's stake rose from 35.10% to 35.10% (share lending).35.10%
10/29Hankuk CarbonA major holder's stake rose from 35.36% to 35.36% (pledge).35.36%
10/29Taewoong LogisticsA major holder's stake rose from 43.82% to 43.82% (pledge).43.82%
10/29SoulbrainA major holder's stake rose from 44.73% to 44.73%.44.73%

Buybacks 6

10/29DisposalHyundai MotorPlans to dispose of 917,385 sh of treasury stock, Nov 20 to Nov 20.₩272B
10/29DisposalAmorepacificPlans to dispose of 20,181 sh of treasury stock, Nov 2 to Nov 2.₩2.5B
10/29DisposalSamsung Electronics Co,Plans to dispose of 4,690 sh of treasury stock, Oct 30 to Oct 30.₩1.1B
10/29DisposalAMOREPACIFIC HoldingsPlans to dispose of 885 sh of treasury stock, Nov 2 to Nov 2.₩20.9M
10/29AMOREPACIFIC HoldingsTreasury stock disposal
10/29OCI Holdings CompanyShare cancellation

Share issues & bonds 23

10/29CBSawnicsConversion price ₩4,813; if all converted, equal to 10.7% of shares outstanding.₩10B
10/29BWDevelopment Advance SolutionExercise price ₩3,006; if all exercised, equal to 9% of shares outstanding.₩6B
10/29CBALTConversion price ₩15,410; if all converted, equal to 8.1% of shares outstanding.₩12.2B
10/29Rights offeringCitechIssuing 333,334 sh of new shares, equal to 6.4% of existing shares.₩2B
10/29CBYlabConversion price ₩1,908; if all converted, equal to 6% of shares outstanding.₩2B
10/29AmendedRights offeringCellidIssuing 1,102,973 sh of new shares, equal to 3.7% of existing shares.₩2.4B
10/29Rights offeringTaeyoung Engineering & ConstructionIssuing 11,752,022 sh of new shares, equal to 3.6% of existing shares.₩27.1B
10/29Rights offeringUTIIssuing 711,989 sh of new shares, equal to 3.3% of existing shares.₩1.3B
10/29TY HoldingsRights offering
10/29AmendedMsdiRights offering
10/29AmendedInconConvertible bond issue
10/29AmendedRN2 TechnologiesRights offering
10/29AmendedArootRights offering
10/29AmendedArootRights offering
10/29AmendedTHE CodiRights offering
10/29AmendedHanWool & JejuConvertible bond issue
10/29AmendedTera ScienceRights offering
10/29AmendedIokenmRights offering
10/29AmendedEMnIRights offering
10/29AmendedSeoul Electronics & TelecomRights offering
10/29AmendedSangji ConstructionRights offering
10/29AmendedKwangjinIndRights offering
10/29AmendedKwangjinIndRights offering

M&A & spin-offs 7

10/29SCL ScienceMerger
10/29SKShare exchange
10/29AmendedMemRAY BTTangible asset deal
10/29AmendedKolmarBNHMerger
10/29AmendedKolmarBNHMerger
10/29AmendedSTrafficBusiness transfer
10/29ILMerger

Exchange actions 17

10/29S-EnergyExchange
10/29MOA Life PlusExchange
10/29HanWool & JejuAdministrative issue
10/29Wooree EnterpriExchange
10/29Shinhan 12th Special Purpose Acquisition CompanyExchange
10/29ShaperonExchange
10/29OmnisystemExchange
10/29Parataxis EthereumUnfaithful disclosure
10/29JinyoungAdministrative issue
10/29WapsAdministrative issue
10/29KT Genie MusicTrading halt
10/29Jeil M&SAdministrative issue
10/29InkredibleBuzzExchange
10/29KinxExchange inquiry
10/29FidelixExchange
10/29GeneOne Life ScienceExchange
10/29ChasysAdministrative issue