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Key filings, October 1, 2026

374 filings · 11 highlights
← September 30, 2026October 2, 2026 →

Supply contracts 19

10/1Sky LabsWorth 61.7% of last year's revenue, over about 2 months.₩4.9B
10/1i3systemWorth 49.7% of last year's revenue, over about 35 months.₩61.8B
10/1IS DongseoWorth 28% of last year's revenue.₩345B
10/1AmendedGaonchipsWorth 18.5% of last year's revenue, over about 21 months.₩17.9B
10/1Seondo ElectricWorth 11.4% of last year's revenue, over about 25 months.₩4.3B
10/1NeuromekaWorth 10.4% of last year's revenue, over about 2 months.₩2B
10/1AmendedWoojin I&SWorth 10.3% of last year's revenue, over about 30 months.₩10.3B
10/1BeautyskinWorth 9.1% of last year's revenue, over about 15 months.₩5B
10/1CK SolutionWorth 7.9% of last year's revenue, over about 21 months.₩23B
10/1AmendedKUMHO Engineering & ConstructionWorth 6% of last year's revenue, over about 36 months.₩115B
10/1Korea LineWorth 5.6% of last year's revenue, over about 39 months.₩71.9B
10/1Doosan EnerbilityWorth 4.9% of last year's revenue, over about 48 months.₩838B
10/1AmendedLG Energy SolutionWorth 3.8% of last year's revenue, over about 29 months.₩1.28T
10/1LSWorth 3.6% of last year's revenue, over about 40 months.₩181B
10/1LS ElectricWorth 3.6% of last year's revenue, over about 40 months.₩181B
10/1DIWorth 3.5% of last year's revenue, over about 15 months.₩15.3B
10/1Pan OceanWorth 1.8% of last year's revenue, over about 46 months.₩95.8B
10/1Qualitas SemiconductorSingle sales/supply contract
10/1SemiFiveSingle sales/supply contract

Preliminary earnings 5

10/1ShaperonPreliminary operating results
10/1Hyundai MotorPreliminary operating results
10/1KG MobilityPreliminary operating results
10/1Lotte Tour DevelopmentPreliminary operating results
10/1KIAPreliminary operating results

Insider trades 42

10/1BuyKoreaAlcoholIndustrial10%+ shareholder bought 55,200 sh on the market at an average ₩14,975, Sep 22–30.₩826.6M
10/1BuyCaregenCEO bought 18,038 sh on the market at an average ₩39,893, Sep 28–Oct 1.₩719.6M
10/1Net buyESR Kendall Square REIT10%+ shareholder bought 181,309 sh and sold 5,000 sh, Sep 23–30: net buy of 176,309 sh.₩576.8M
10/1BuyShinhan Alpha REIT Co,.10%+ shareholder bought 79,256 sh on the market at an average ₩5,580, Sep 28–30.₩442.2M
10/1Net saleSK Reit10%+ shareholder bought 63,000 sh and sold 123,331 sh, Sep 23–30: net sale of 60,331 sh.₩334.6M
10/1SaleSamsungFN REIT10%+ shareholder sold 44,000 sh on the market at an average ₩4,953, Sep 23–28.₩217.9M
10/1SaleOE SolutionsChairman sold 5,000 sh on the market at an average ₩28,115, Sep 29.₩140.6M
10/1SaleSamsung Electronics Co,Executive sold 500 sh on the market at an average ₩278,000, Sep 28.₩139M
10/1BuyDx & VxDirector bought 48,677 sh on the market at an average ₩2,335, Sep 23–29.₩113.7M
10/1Net buyHanwha REIT10%+ shareholder bought 25,000 sh and sold 5,000 sh, Sep 23–29: net buy of 20,000 sh.₩133M
10/1SaleMirae Asset Global REIT10%+ shareholder sold 63,553 sh on the market at an average ₩1,424, Sep 28–30.₩90.5M
10/1Net buyLotte Reit10%+ shareholder bought 25,000 sh and sold 5,000 sh, Sep 23–29: net buy of 20,000 sh.₩101.5M
10/1BuyHNK Machine ToolCEO bought 16,351 sh on the market at an average ₩3,004, Sep 28–Oct 1.₩49.1M
10/1BuyTYMPresident bought 5,000 sh on the market at an average ₩6,656, Sep 29.₩33.3M
10/1BuySaltluxPresident bought 1,940 sh on the market at an average ₩15,430, Sep 22.₩29.9M
10/1SaleKoramco Life Infra Reit10%+ shareholder sold 5,000 sh on the market at an average ₩4,234, Sep 29.₩21.2M
10/1SaleShinhan Seobu T&D REIT10%+ shareholder sold 5,000 sh on the market at an average ₩3,848, Sep 29.₩19.2M
10/1SaleIsteExecutive sold 2,000 sh on the market at an average ₩6,853, Sep 22.₩13.7M
10/1BuyKG ChemicalExecutive bought 3,200 sh on the market at an average ₩4,250, Sep 28.₩13.6M
10/1Buyi-SENSCEO bought 500 sh on the market at an average ₩15,820, Sep 29.₩7.9M
10/1BuyDexter studiosCEO bought 6,500 sh on the market at an average ₩980, Oct 1.₩6.4M
10/1BuyTongyangDirector bought 3,650 sh on the market at an average ₩1,158, Sep 29.₩4.2M
10/1BuyTongyangDirector bought 1,800 sh on the market at an average ₩1,250, Sep 23.₩2.3M
10/1BuyAuto&Director bought 1,013 sh on the market at an average ₩1,530, Sep 29.₩1.5M
10/1SaleMiwon Chemicals10%+ shareholder sold 138 sh on the market at an average ₩10,263, Sep 18–21.₩1.4M
10/1Other changeVECT Robotics10%+ shareholder's holding rose by 1,600,000 sh (off-market buy).+1,600,000 sh
10/1Other changeMacrogenAn insider's holding rose by 2,203 sh (new report).+2,203 sh
10/1Other changeKB No.34 Special Purpose Acquisition CompanyAn insider's holding rose by 2,000,000 sh (new report).+2,000,000 sh
10/1Other changeVECT Robotics10%+ shareholder's holding fell by 6,450,785 sh (off-market sale).-6,450,785 sh
10/1Other changeIGIS Value Plus REIT10%+ shareholder's holding rose by 150,412 sh (other change).+150,412 sh
10/1Other changeD&D Platform REIT10%+ shareholder's holding fell by 232 sh (other change).-232 sh
10/1Other changeKoramco the ONE Reit10%+ shareholder's holding rose by 45,469 sh (other change, share lending).+45,469 sh
10/1Other changeShinyoung WacoalCEO's holding fell by 534,620 sh (gift).-534,620 sh
10/1Other changeVECT Robotics10%+ shareholder's holding rose by 1,600,000 sh (off-market buy).+1,600,000 sh
10/1Other changeSimmtech10%+ shareholder's holding fell by 81,571 sh (other change).-81,571 sh
10/1BuySajo Industries10%+ shareholder bought 3,130 sh on the market, Sep 22–23.₩0
10/1BuyVenueG10%+ shareholder bought 541,564 sh on the market, Sep 23–Oct 1.₩0
10/1Other changeVECT Robotics10%+ shareholder's holding rose by 3,001,533 sh (off-market buy).+3,001,533 sh
10/1SaleSamsung Electronics Co,Executive sold 100 sh on the market, Oct 1.₩0
10/1Other changeNexa DynamicsAn insider's holding rose by 2,019,386 sh (other change).+2,019,386 sh
All insider trades →

5% holders 46

10/1VECT RoboticsA major holder's stake fell from 64.21% to 14.60%.14.60%
10/1New 5%Sunny ElectronicsA major holder's stake rose from 0.00% to 25.38% (related-party change).25.38%
10/1New 5%Atlas LinkA major holder's stake rose from 0.00% to 24.21% (conversion/exercise).24.21%
10/1New 5%KB No.34 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 21.74% (new report).21.74%
10/1New 5%VECT RoboticsA major holder's stake rose from 0.00% to 18.98% (new report).18.98%
10/1New 5%VECT RoboticsA major holder's stake rose from 0.00% to 14.59%.14.59%
10/1Below 5%Sunny ElectronicsA major holder's stake fell from 20.04% to 0.00% (related-party change).0.00%
10/1New 5%HLB GlobalA major holder's stake rose from 0.00% to 5.67% (new report).5.67%
10/1New 5%Dongil MetalA major holder's stake rose from 0.00% to 5.18%.5.18%
10/1New 5%SH Energy & ChemicalA major holder's stake rose from 0.00% to 5.00% (open-market buy).5.00%
10/1VECT RoboticsA major holder's stake fell from 14.59% to 11.67%.11.67%
10/1VECT RoboticsA major holder's stake rose from 18.98% to 21.90%.21.90%
10/1Digital DaesungA major holder's stake rose from 58.44% to 60.95% (related-party change).60.95%
10/1K AuctionA major holder's stake fell from 56.16% to 54.33% (gift).54.33%
10/1DkmeA major holder's stake rose from 5.61% to 6.99%.6.99%
10/1CenitA major holder's stake rose from 55.92% to 57.22% (related-party change).57.22%
10/1OptrontecA major holder's stake fell from 7.26% to 5.97% (conversion/exercise).5.97%
10/1Miwon ChemicalsA major holder's stake rose from 9.55% to 10.65%.10.65%
10/1LEENO IndustrialA major holder's stake rose from 5.91% to 6.95%.6.95%
10/1Focus AIA major holder's stake rose from 8.34% to 9.34% (open-market buy).9.34%
10/1Y-BiologicsA major holder's stake rose from 29.70% to 30.60% (stock option).30.60%
10/1AmosenA major holder's stake fell from 59.53% to 58.84% (pledge).58.84%
10/1Dongwha EnterpriA major holder's stake rose from 67.22% to 67.66%.67.66%
10/1LS Marine SolutionA major holder's stake rose from 68.24% to 68.57% (related-party change).68.57%
10/1MKElectronA major holder's stake fell from 32.86% to 32.61% (related-party change).32.61%
10/1Shinyoung WacoalA major holder's stake rose from 53.06% to 53.27% (gift).53.27%
10/1OE SolutionsA major holder's stake fell from 23.26% to 23.22% (open-market sale).23.22%
10/1EcocabA major holder's stake rose from 32.71% to 32.71% (pledge).32.71%
10/1SamkeeA major holder's stake rose from 31.18% to 31.18% (pledge).31.18%
10/1HarimA major holder's stake rose from 58.60% to 58.60% (pledge).58.60%
10/1VECT RoboticsReport of 5%+ holding
10/1VECT RoboticsReport of 5%+ holding
10/1Insun Environmental NEW TechnologyA major holder's stake rose from 45.95% to 45.95%.45.95%
10/1HanssemA major holder's stake rose from 35.45% to 35.45%.35.45%
10/1MiA major holder's stake rose from 24.94% to 24.94% (pledge).24.94%
10/1Kolon IndustriesA major holder's stake rose from 34.89% to 34.89% (pledge).34.89%
10/1KolonA major holder's stake rose from 52.38% to 52.38% (pledge).52.38%
10/1ChungdamglobalA major holder's stake rose from 40.69% to 40.69% (pledge).40.69%
10/1Daehan NupharmA major holder's stake rose from 40.99% to 40.99% (pledge).40.99%
10/1MOA Life PlusA major holder's stake rose from 17.89% to 17.89% (pledge).17.89%
All 5% holders →

Buybacks 9

10/1TrustSung Kwang BendSigned a ₩5B trust contract to buy back shares.₩5B
10/1TrustSocarSigned a ₩3B trust contract to buy back shares.₩3B
10/1TrustSocarEnded a share buyback trust contract.₩3B
10/1TrustSJ GroupSigned a ₩2B trust contract to buy back shares.₩2B
10/1DisposalGlobalStandardTechnologyPlans to dispose of 21,525 sh of treasury stock, Oct 2 to Oct 8.₩1.1B
10/1ActroShare cancellation
10/1LVMC Holdings CO,.Share cancellation
10/1SocarShare cancellation
10/1AmendedHana Financial GroupShare cancellation

Share issues & bonds 15

10/1Bonus issueMhethanolBonus issue of new shares equal to 100% of existing shares.6,201,433 sh
10/1CBNsysConversion price ₩5,390; if all converted, equal to 12.1% of shares outstanding.₩8B
10/1AmendedRights offeringSamsung BiologicsIssuing 2,270,000 sh of new shares, equal to 4.9% of existing shares.₩2.66T
10/1FingerRights offering
10/1AmendedSamsung C&TRights offering
10/1AmendedXplusRights offering
10/1AmendedFreeTConvertible bond issue
10/1DavolinkRights offering
10/1AmendedK3iRights offering
10/1AmendedTHE CodiRights offering
10/1AmendedTHE CodiRights offering
10/1AmendedDavolinkRights offering
10/1AmendedTHE CodiConvertible bond issue
10/1CheongboConvertible bond issue
10/1AmendedMgen SolutionsRights offering

M&A & spin-offs 7

10/1AmendedCP SystemA ₩7.1B deal, equal to 15.3% of total assets.₩7.1B
10/1Daejin Advanced MaterialsMerger
10/1AmendedDaejin Advanced MaterialsMerger
10/1Soulbrain HoldingsMerger
10/1AmendedS&K GlobalMerger
10/1AmendedKumyangSpin-off / split
10/1AmendedNH NongwoobioBusiness transfer

Exchange actions 16

10/1WOOJIN NtecExchange
10/1UdmtekExchange
10/1SmotronicUnfaithful disclosure
10/1WOOJIN NtecExchange
10/1WOOJIN NtecTrading halt
10/1Joongang Advanced MaterialsTrading halt
10/1IvisionworksTrading halt
10/1EV Advanced MaterialCapital reduction
10/1MedicoxTrading halt
10/1MedicoxExchange
10/1PintelExchange
10/1PintelTrading halt
10/1MemRAY BTSpin-off / split
10/1CJ SeafoodInvestment caution
10/1Automobile & PCBInvestment caution
10/1MhethanolTrading halt