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Key filings, October 20, 2026

319 filings · 11 highlights
← October 19, 2026October 21, 2026 →

Supply contracts 15

10/20AmendedADTechnologyWorth 22.5% of last year's revenue, over about 45 months.₩36.9B
10/20AmendedSamil EnterpriWorth 22.1% of last year's revenue, over about 21 months.₩24.9B
10/20AmendedTSIWorth 21.6% of last year's revenue, over about 41 months.₩32.1B
10/20HD HyundaiWorth 17.8% of last year's revenue, over about 38 months.₩1.44T
10/20HD Korea Shipbuilding & Offshore EngineeringWorth 17.8% of last year's revenue, over about 38 months.₩1.44T
10/20Access BioWorth 15.9% of last year's revenue, over about 12 months.₩5B
10/20EMRO., IncorporatedWorth 13.4% of last year's revenue, over about 24 months.₩11.3B
10/20S-EnergyWorth 12.2% of last year's revenue, over about 7 months.₩12.5B
10/20AmendedCytogenWorth 9.6% of last year's revenue, over about 13 months.₩1.1B
10/20Kornic AutomationWorth 9.4% of last year's revenue, over about 2 months.₩2.8B
10/20AmendedDeviceWorth 6.4% of last year's revenue, over about 10 months.₩3B
10/20S-OilWorth 3.4% of last year's revenue, over about 12 months.₩1.16T
10/20HD Korea Shipbuilding & Offshore EngineeringWorth 2.7% of last year's revenue, over about 38 months.₩480B
10/20HD Hyundai Heavy IndustriesWorth 2.7% of last year's revenue, over about 38 months.₩480B
10/20AmendedYestSingle sales/supply contract

Preliminary earnings 2

10/20FlittoOperating profit ₩9B, up 217% YoY. Revenue ₩17.8B, up 51% YoY.₩9B
10/20LS Eco EnergyOperating profit ₩22.2B, up 50.2% YoY. Revenue ₩352B, up 51% YoY.₩22.2B

Insider trades 41

10/20Net saleKIWOOM SecuritiesNational Pension Service bought 26,668 sh and sold 84,220 sh, Oct 1–16: net sale of 57,552 sh.₩6.7B
10/20AmendedBuyLS Marine Solution10%+ shareholder bought 361,403 sh on the market at an average ₩30,439, Oct 12–15.₩11B
10/20BuyKPX ChemicalAn insider bought 78,080 sh on the market at an average ₩63,881, Oct 13–20.₩5B
10/20Net saleKorean AIR LinesNational Pension Service bought 289,052 sh and sold 431,610 sh, Oct 12–14: net sale of 142,558 sh.₩9B
10/20SalePan OceanNational Pension Service sold 128,147 sh on the market at an average ₩6,554, Oct 15.₩839.9M
10/20BuySungchang Enterprise Holdings Limited.10%+ shareholder bought 102,886 sh on the market at an average ₩4,800, Oct 16–20.₩493.9M
10/20BuyWIZ10%+ shareholder bought 219,061 sh on the market at an average ₩2,174, Oct 14–20.₩476.2M
10/20AmendedBuyParu10%+ shareholder bought 211,263 sh on the market at an average ₩1,279, Sep 30–Oct 13.₩270.3M
10/20BuyParu10%+ shareholder bought 186,000 sh on the market at an average ₩1,328, Oct 14–19.₩247M
10/20BuyPartronCEO bought 43,412 sh on the market at an average ₩4,852, Oct 13–21.₩210.6M
10/20BuyMezzion PharmaCEO bought 3,600 sh on the market at an average ₩55,624, Oct 20.₩200.2M
10/20BuySeoul Food IND10%+ shareholder bought 154,081 sh on the market at an average ₩1,252, Oct 13–19.₩192.9M
10/20AmendedBuyWoory IndustrialAn insider bought 26,266 sh on the market at an average ₩6,434, Oct 14–20.₩169M
10/20BuyWoory IndustrialAn insider bought 26,266 sh on the market at an average ₩6,434, Oct 14–20.₩169M
10/20BuyCreverChairman bought 9,220 sh on the market at an average ₩8,547, Sep 7–Oct 20.₩78.8M
10/20BuyY-BiologicsCEO bought 6,375 sh on the market at an average ₩7,017, Oct 16–20.₩44.7M
10/20BuyAmorepacificAn insider bought 271 sh on the market at an average ₩134,551, Oct 13–19.₩36.5M
10/20BuyDB SecuritiesExecutive bought 3,000 sh on the market at an average ₩9,699, Oct 15.₩29.1M
10/20BuyHansaemkCEO bought 19,045 sh on the market at an average ₩1,390, Oct 19–21.₩26.5M
10/20BuyHansaemkAn insider bought 17,535 sh on the market at an average ₩1,391, Oct 15–16.₩24.4M
10/20BuyHyungkuk F&BPresident bought 20,600 sh on the market at an average ₩1,086, Oct 13–16.₩22.4M
10/20BuyDaehanPharmaceuticalChairman bought 846 sh on the market at an average ₩25,642, Oct 12–19.₩21.7M
10/20BuyAmorepacificAn insider bought 20 sh on the market at an average ₩135,905, Sep 30–Oct 13.₩2.7M
10/20BuyBubangChairman bought 2,000 sh on the market at an average ₩993, Oct 15–19.₩2M
10/20BuyTHE Nature HoldingsDirector bought 300 sh on the market at an average ₩6,250, Oct 19.₩1.9M
10/20Other changeOmnisystemDirector's holding fell by 5,176 sh (share consolidation/split).-5,176 sh
10/20Other changeOmnisystemExecutive's holding fell by 1,864 sh (share consolidation/split).-1,864 sh
10/20Other changeOmnisystemPresident's holding fell by 2,251 sh (share consolidation/split).-2,251 sh
10/20Other changeOmnisystemChairman's holding fell by 20,322 sh (share consolidation/split).-20,322 sh
10/20BuyDongilTechnology10%+ shareholder bought 9,443 sh on the market, Oct 14–19.₩0
10/20BuyDB SecuritiesLargest shareholder group bought 68,554 sh on the market, Oct 19–21.₩0
10/20Other changei-Scream MediaCEO's holding rose by 21,000 sh (stock option).+21,000 sh
10/20Other changei-Scream MediaExecutive's holding rose by 3,000 sh (stock option).+3,000 sh
10/20Other changeAmorepacificCEO's holding fell by 33,891 sh (gift).-33,891 sh
10/20Other changeMiwon Commercial10%+ shareholder's holding fell by 22 sh (other change).-22 sh
10/20Other changeDITExecutive's holding rose by 895 sh (other change).+895 sh
10/20AmendedOther changeModetournetworkDirector's holding rose by 865 sh (new report).+865 sh
10/20BuyIntelligent Digital Integrated SecurityAn insider bought 6,383 sh on the market, Oct 13–19.₩0
10/20Other changeDITExecutive's holding rose by 1,080 sh (other change).+1,080 sh
10/20Other changeJinsung T.e.cNational Pension Service's holding rose by 2,224,844 sh (new report, other change).+2,224,844 sh
All insider trades →

5% holders 38

10/20New 5%Lotte Non-Life InsuranceA major holder's stake rose from 0.00% to 77.04%.77.04%
10/20New 5%Dongil IndustriesA major holder's stake rose from 0.00% to 48.53% (gift).48.53%
10/20Below 5%Dongil IndustriesA major holder's stake fell from 48.53% to 0.00% (gift).0.00%
10/20AstaA major holder's stake fell from 38.62% to 7.33%.7.33%
10/20New 5%Reyon PharmaceuticalA major holder's stake rose from 0.00% to 5.50%.5.50%
10/20New 5%ExiconA major holder's stake rose from 0.00% to 5.39% (new report).5.39%
10/20New 5%New Power PlasmaA major holder's stake rose from 0.00% to 5.37% (new report).5.37%
10/20New 5%SNT DynamicsA major holder's stake rose from 4.65% to 6.21%.6.21%
10/20New 5%Cosmecca KoreaA major holder's stake rose from 4.97% to 5.03%.5.03%
10/20KPX ChemicalA major holder's stake rose from 65.81% to 71.38%.71.38%
10/20Wooree EnterpriA major holder's stake rose from 31.73% to 35.46% (open-market buy).35.46%
10/20Below 5%XexymixA major holder's stake fell from 7.07% to 3.43% (open-market sale).3.43%
10/20ParuA major holder's stake rose from 25.11% to 27.00% (open-market buy).27.00%
10/20WIZA major holder's stake rose from 33.89% to 35.34% (open-market buy).35.34%
10/20MOTA major holder's stake fell from 58.68% to 57.26% (stock option).57.26%
10/20LS Marine SolutionA major holder's stake rose from 68.57% to 69.96%.69.96%
10/20Kukil MetalA major holder's stake rose from 52.98% to 54.24%.54.24%
10/20DeepnoidA major holder's stake rose from 5.49% to 6.49% (open-market buy).6.49%
10/20Sungchang Enterprise Holdings Limited.A major holder's stake rose from 37.65% to 38.60% (related-party change).38.60%
10/20Focus AIA major holder's stake rose from 42.70% to 43.38% (rights offering).43.38%
10/20The LEADA major holder's stake rose from 42.25% to 42.58% (pledge).42.58%
10/20CreverA major holder's stake rose from 27.37% to 27.53% (open-market buy).27.53%
10/20M2nA major holder's stake rose from 38.61% to 38.69% (open-market buy).38.69%
10/20AMOREPACIFIC HoldingsA major holder's stake rose from 67.71% to 67.74% (related-party change).67.74%
10/20EugeneA major holder's stake rose from 39.08% to 39.09% (open-market buy).39.09%
10/20AmorepacificA major holder's stake rose from 50.03% to 50.04% (related-party change).50.04%
10/20SamlipA major holder's stake rose from 73.60% to 73.60% (related-party change).73.60%
10/20OmnisystemA major holder's stake rose from 37.17% to 37.17% (share consolidation/split).37.17%
10/20LFA major holder's stake rose from 58.99% to 58.99% (pledge).58.99%
10/20Barunson Entertainment & ArtsReport of 5%+ holding
10/20CoAsiaA major holder's stake rose from 20.13% to 20.13% (pledge).20.13%
10/20SAM Chun Dang PharmA major holder's stake rose from 37.61% to 37.61% (pledge).37.61%
10/20RemedA major holder's stake rose from 36.88% to 36.88% (pledge).36.88%
10/20Pentastone ElectronicsA major holder's stake rose from 28.34% to 28.34% (pledge).28.34%
10/20ByuksanA major holder's stake rose from 28.91% to 28.91%.28.91%
10/20Aekyung ChemicalA major holder's stake rose from 62.29% to 62.29% (pledge).62.29%
10/20NovarexA major holder's stake rose from 32.02% to 32.02% (gift).32.02%
10/20SurplusGLOBALA major holder's stake rose from 56.71% to 56.71% (pledge).56.71%

Buybacks 8

10/20TrustMegaStudyEduEnded a share buyback trust contract.₩10B
10/20TrustA Plus Asset AdvisorSigned a ₩3.5B trust contract to buy back shares.₩3.5B
10/20DisposalNeowizPlans to dispose of 678 sh of treasury stock, Oct 20 to Oct 26.₩12.5M
10/20Spigen KoreaShare cancellation
10/20Neowiz HoldingsTreasury stock disposal
10/20Haesung OpticsShare cancellation
10/20AmendedShinhan Financial GroupShare cancellation
10/20Daewon ChemicalShare cancellation

Share issues & bonds 10

10/20AmendedCBK3iConversion price ₩3,873; if all converted, equal to 34.1% of shares outstanding.₩15B
10/20DS DansukRights offering
10/20AmendedKS IndustryRights offering
10/20KUMHO Engineering & ConstructionConvertible bond issue
10/20Vina TechConvertible bond issue
10/20AmendedKwangjinIndRights offering
10/20AmendedKwangjinIndRights offering
10/20AmendedEcoGlowRights offering
10/20AmendedFreeTRights offering
10/20AmendedEnchemConvertible bond issue

Exchange actions 11

10/20Hana 32 Special Purpose Acquistion CompanyTrading halt
10/20RootKAdministrative issue
10/20Dg-ItxTrading halt
10/20DavolinkAdministrative issue
10/20Eco VoltSpin-off / split
10/20GiantstepExchange inquiry
10/20FoodnamooExchange inquiry
10/20XavisTrading halt
10/20Korea Computer TerminalExchange
10/20APRUnfaithful disclosure
10/20Daou TechnologyExchange inquiry