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Key filings, September 22, 2026

360 filings · 12 highlights
← September 21, 2026September 23, 2026 →

Supply contracts 26

9/22AmendedSphereWorth 1097.7% of last year's revenue, over about 7 months.₩28.1B
9/22AmendedSphereWorth 402.3% of last year's revenue, over about 18 months.₩10.3B
9/22AmendedSamil C&SWorth 61.8% of last year's revenue, over about 34 months.₩149B
9/22AmendedEcoSimplexWorth 59.5% of last year's revenue, over about 10 months.₩10.7B
9/22AmendedPhilenergyWorth 52.6% of last year's revenue, over about 37 months.₩99.8B
9/22BoryungWorth 37.7% of last year's revenue, over about 84 months.₩384B
9/22Posco Future MWorth 36.6% of last year's revenue, over about 36 months.₩1.07T
9/22HJ Shipbuilding & ConstructionWorth 34% of last year's revenue, over about 31 months.₩679B
9/22AmendedIntekplusWorth 24.4% of last year's revenue, over about 13 months.₩21.9B
9/22AmendedKangwon EnergyWorth 17.6% of last year's revenue, over about 10 months.₩39.6B
9/22HDC HoldingsWorth 13.7% of last year's revenue.₩570B
9/22Ipark Hyundai Development CompanyWorth 13.7% of last year's revenue.₩570B
9/22Becu AIWorth 12.5% of last year's revenue, over about 36 months.₩2.1B
9/22AmendedHansung CleantechWorth 12% of last year's revenue, over about 13 months.₩24B
9/22AmendedSeohee ConstructionWorth 11.1% of last year's revenue, over about 34 months.₩159B
9/22Narae NanotechWorth 11.1% of last year's revenue, over about 3 months.₩6B
9/22AmendedSigong TechWorth 9.3% of last year's revenue, over about 14 months.₩13.6B
9/22Kwang Myung ElectricWorth 9.3% of last year's revenue, over about 13 months.₩8.9B
9/22AmendedSeondo ElectricWorth 8.3% of last year's revenue, over about 11 months.₩2B
9/22AmendedMiraeWorth 7.8% of last year's revenue, over about 3 months.₩4B
9/22AmendedHeerim Architects & PlannersWorth 7.6% of last year's revenue, over about 192 months.₩12.1B
9/22AmendedChinhung InternationalWorth 7.2% of last year's revenue, over about 54 months.₩54.5B
9/22AmendedKorea Electronic Power Industrial DevelopmentWorth 5.5% of last year's revenue, over about 132 months.₩21.9B
9/22HS HwasungWorth 5.2% of last year's revenue, over about 16 months.₩34B
9/22LG CNSWorth 4.2% of last year's revenue, over about 60 months.₩258B
9/22HD Hyundai Heavy IndustriesWorth 1.9% of last year's revenue, over about 38 months.₩336B

Insider trades 43

9/22BuySystemandApplicationTechnologies10%+ shareholder bought 345,994 sh on the market at an average ₩1,462, Sep 16–22.₩505.7M
9/22SaleDream SecurityExecutive sold 140,000 sh on the market at an average ₩2,752, Sep 15–16.₩385.3M
9/22BuyDawon CableDirector bought 24,834 sh on the market at an average ₩9,736, Sep 21.₩241.8M
9/22BuySK hynixAn insider bought 142 sh on the market at an average ₩1,682,000, Sep 16.₩238.8M
9/22BuySeoul Food IND10%+ shareholder bought 146,102 sh on the market at an average ₩1,206, Sep 15–18.₩176.2M
9/22SaleTomatosystemExecutive sold 63,034 sh on the market at an average ₩2,473, Sep 18–23.₩155.9M
9/22BuySangboAn insider bought 67,986 sh on the market at an average ₩1,766, Sep 17–21.₩120.1M
9/22BuyKSS Line10%+ shareholder bought 11,650 sh on the market at an average ₩10,201, Sep 22–23.₩118.8M
9/22BuyMakus10%+ shareholder bought 2,900 sh on the market at an average ₩27,041, Sep 14–18.₩78.4M
9/22BuySamsung Electronics Co,Director bought 200 sh on the market at an average ₩255,000, Sep 21.₩51M
9/22BuyVCCEO bought 17,000 sh on the market at an average ₩2,735, Sep 21.₩46.5M
9/22BuyNeotechnicalsystemCEO bought 3,352 sh on the market at an average ₩12,934, Sep 15–21.₩43.4M
9/22BuyHanil HoldingsPresident bought 1,500 sh on the market at an average ₩17,844, Sep 17–22.₩26.8M
9/22BuyEcoGlowAuditor bought 7,881 sh on the market at an average ₩3,149, Sep 22.₩24.8M
9/22BuyHansaemkAn insider bought 16,089 sh on the market at an average ₩1,403, Sep 18–23.₩22.6M
9/22BuyRN2 TechnologiesCEO bought 10,000 sh on the market at an average ₩2,058, Sep 15–18.₩20.6M
9/22SaleDAE HWA PharmChairman sold 1,500 sh on the market at an average ₩11,250, Sep 17.₩16.9M
9/22BuyDAE HWA PharmCEO bought 1,300 sh on the market at an average ₩10,568, Aug 7–Sep 18.₩13.7M
9/22BuyMona YongpyongCEO bought 6,317 sh on the market at an average ₩1,930, Sep 16–22.₩12.2M
9/22BuySamyoung S&CDirector bought 2,693 sh on the market at an average ₩3,560, Sep 3–21.₩9.6M
9/22BuyVunoExecutive bought 2,000 sh on the market at an average ₩4,575, Sep 21–22.₩9.1M
9/22BuyNara Mold and DIEExecutive bought 3,000 sh on the market at an average ₩2,650, Sep 22.₩8M
9/22SaleMiwon Chemicals10%+ shareholder sold 733 sh on the market at an average ₩10,423, Sep 18–21.₩7.6M
9/22BuyClean & ScienceExecutive bought 2,000 sh on the market at an average ₩3,148, Aug 14–Sep 22.₩6.3M
9/22BuyKumbiCEO bought 75 sh on the market at an average ₩40,300, Sep 15–22.₩3M
9/22BuyHytcDirector bought 187 sh on the market at an average ₩3,185, Sep 22.₩595,595
9/22Other changeRevu10%+ shareholder's holding rose by 7,249,400 sh (off-market buy).+7,249,400 sh
9/22Other changeTKG AikangAn insider's holding rose by 6,984,290 sh (other change).+6,984,290 sh
9/22BuyVenueG10%+ shareholder bought 555,207 sh on the market, Sep 16–22.₩0
9/22Other changeKespionAn insider's holding rose by 10,752,688 sh (new report).+10,752,688 sh
9/22Other changeJCH SystemsExecutive's holding rose by 6,050 sh (new report).+6,050 sh
9/22Other changeSD BiosensorDirector's holding fell by 3,121 sh (gift).-3,121 sh
9/22Other changeRayAn insider's holding rose by 4,087,749 sh (off-market buy).+4,087,749 sh
9/22Other changeNeosemCEO's holding fell by 440,000 sh (gift).-440,000 sh
9/22Other changeLumens Bios10%+ shareholder's holding fell by 3,497,605 sh (share consolidation/split, rights offering).-3,497,605 sh
9/22SaleK3iDirector sold 9,690 sh on the market, Sep 15–22.₩0
9/22Other changeTego ScienceDirector's holding rose by 162,177 sh (other change).+162,177 sh
9/22BuyIntelligent Digital Integrated SecurityAn insider bought 8,213 sh on the market, Sep 16–22.₩0
9/22BuyMyungmoon PharmExecutive bought 7,000 sh on the market, Sep 22.₩0
9/22Other changeKNW10%+ shareholder's holding fell by 982,414 sh (other change).-982,414 sh
All insider trades →

5% holders 40

9/22New 5%RevuA major holder's stake rose from 0.00% to 67.11%.67.11%
9/22New 5%KespionA major holder's stake rose from 0.00% to 52.86% (rights offering).52.86%
9/22New 5%EnexA major holder's stake rose from 0.00% to 28.48%.28.48%
9/22New 5%MOA Life PlusA major holder's stake rose from 0.00% to 17.18% (pledge).17.18%
9/22New 5%MoadataA major holder's stake rose from 0.00% to 15.60% (pledge).15.60%
9/22TKG AikangA major holder's stake rose from 68.96% to 82.45%.82.45%
9/22Artist StudioA major holder's stake rose from 34.43% to 42.94% (rights offering).42.94%
9/22Below 5%RevuA major holder's stake fell from 8.32% to 0.00%.0.00%
9/22E8A major holder's stake fell from 24.31% to 17.97%.17.97%
9/22Lumens BiosA major holder's stake rose from 21.97% to 27.36% (rights offering).27.36%
9/22LskairobotA major holder's stake rose from 18.29% to 23.24% (share lending).23.24%
9/22InnogeneA major holder's stake fell from 8.09% to 5.68%.5.68%
9/22Below 5%AdbiotechA major holder's stake rose from 0.00% to 1.79% (new report).1.79%
9/22MdeviceA major holder's stake fell from 9.92% to 8.43% (conversion/exercise).8.43%
9/22SangboA major holder's stake rose from 16.76% to 18.06% (open-market buy).18.06%
9/22KNWA major holder's stake fell from 70.47% to 69.18% (conversion/exercise).69.18%
9/22AmendedEcoGlowA major holder's stake fell from 26.63% to 25.43% (conversion/exercise).25.43%
9/22LMSA major holder's stake rose from 53.58% to 54.62% (related-party change).54.62%
9/22RayA major holder's stake rose from 26.14% to 27.17% (related-party change).27.17%
9/22SystemandApplicationTechnologiesA major holder's stake rose from 44.36% to 45.38%.45.38%
9/22NHNA major holder's stake rose from 57.11% to 57.74% (stock option).57.74%
9/22Tego ScienceA major holder's stake fell from 42.30% to 41.79% (open-market sale).41.79%
9/22DB InsuranceA major holder's stake rose from 27.57% to 27.83% (related-party change).27.83%
9/22VCA major holder's stake rose from 36.75% to 36.98% (open-market buy).36.98%
9/22Vivozon PharmaceuticalA major holder's stake fell from 31.41% to 31.25% (open-market sale).31.25%
9/22dhSteelA major holder's stake rose from 40.04% to 40.19% (open-market buy).40.19%
9/22Dream SecurityA major holder's stake fell from 41.95% to 41.81% (pledge).41.81%
9/22Nongshim HoldingsA major holder's stake rose from 66.74% to 66.83%.66.83%
9/22M2nA major holder's stake rose from 38.51% to 38.57% (open-market buy).38.57%
9/22Cube EntertainmentA major holder's stake rose from 56.69% to 56.71% (share lending).56.71%
9/22CntusA major holder's stake rose from 49.44% to 49.45%.49.45%
9/22Hana MaterialsA major holder's stake rose from 44.84% to 44.84% (pledge).44.84%
9/22Soulbrain HoldingsA major holder's stake rose from 78.46% to 78.46%.78.46%
9/22SoulbrainA major holder's stake rose from 44.73% to 44.73%.44.73%
9/22Youlchon ChemicalA major holder's stake rose from 56.66% to 56.66% (pledge).56.66%
9/22NeosemA major holder's stake rose from 51.78% to 51.78% (gift).51.78%
9/22MiA major holder's stake rose from 24.94% to 24.94% (pledge).24.94%
9/22EMnIA major holder's stake rose from 26.66% to 26.66%.26.66%
9/22EMnIA major holder's stake rose from 27.05% to 27.05%.27.05%
9/22Pan OceanA major holder's stake rose from 54.91% to 54.91% (pledge).54.91%

Buybacks 10

9/22BuybackKt&gPlans to buy back 2,071,346 sh of treasury stock, Sep 23 to Dec 22.₩360B
9/22BuybackKSS LinePlans to buy back 1,970,000 sh of treasury stock, Sep 23 to Dec 22.₩19.8B
9/22TrustBoditech MedEnded a share buyback trust contract.₩4B
9/22BuybackMulticampusPlans to buy back 172,786 sh of treasury stock, Sep 23 to Dec 22.₩4B
9/22DisposalFoodwellPlans to dispose of 331,743 sh of treasury stock, Sep 23 to Dec 22.₩2B
9/22DisposalHansaemkPlans to dispose of 215,150 sh of treasury stock, Oct 1 to Oct 30.₩297.6M
9/22Boditech MedShare cancellation
9/22FoodwellShare cancellation
9/22Hansae Yes24 HoldingsTreasury stock disposal
9/22Kt&gShare cancellation

Share issues & bonds 19

9/22AmendedRights offeringKS IndustryIssuing 4,885,993 sh of new shares, equal to 48.4% of existing shares.₩6B
9/22CBXplusConversion price ₩1,855; if all converted, equal to 30.1% of shares outstanding.₩14B
9/22AmendedRights offeringCellidIssuing 4,796,163 sh of new shares, equal to 16.3% of existing shares.₩10B
9/22AmendedCBAribiolabConversion price ₩3,790; if all converted, equal to 6.4% of shares outstanding.₩7B
9/22CBKoramco Life Infra ReitConversion price ₩4,092; if all converted, equal to 5.7% of shares outstanding.₩24B
9/22AmendedRights offeringWoosung MaterialsIssuing 970,873 sh of new shares, equal to 5.6% of existing shares.₩2B
9/22CBKoramco Life Infra ReitConversion price ₩4,092; if all converted, equal to 2.5% of shares outstanding.₩10B
9/22AmendedHanJungNCS.Rights offering
9/22AmendedKorea ZRights offering
9/22AmendedE-MartCapital reduction
9/22LS ElectricBonus issue
9/22CellidRights offering
9/22AmendedVictory ContentsRights offering
9/22AmendedFreeTRights offering
9/22AmendedTHE CodiRights offering
9/22Agent AIConvertible bond issue
9/22AmendedN2techConvertible bond issue
9/22AmendedNGeneBioRights offering
9/22CellidRights offering

M&A & spin-offs 5

9/22AmendedEugeneMerger
9/22AmendedEugeneMerger
9/22AmendedARIBIO HoldingsMerger
9/22AmendedSM KukilMerger
9/22AmendedKX InnovationMerger

Exchange actions 9

9/22NGeneBioAdministrative issue
9/22C-SiteExchange inquiry
9/22LabGenomics.Trading halt
9/22JR Global ReitInvestment caution
9/22Camus Engineering & ConstructionUnfaithful disclosure
9/22Daiyang MetalTrading halt
9/22Bumyang ConstructionExchange
9/22MonamiAdministrative issue
9/22KakaoExchange inquiry