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Key filings, September 17, 2026

333 filings · 4 highlights
← September 16, 2026September 18, 2026 →

Supply contracts 7

9/17AmendedSoosan IndustriesWorth 15.5% of last year's revenue, over about 126 months.₩47.1B
9/17AmendedWoojinWorth 10.9% of last year's revenue, over about 49 months.₩15.4B
9/17Daewoo Engineering & ConstructionWorth 7.9% of last year's revenue.₩636B
9/17L&FWorth 7.5% of last year's revenue, over about 27 months.₩162B
9/17AmendedWoojinWorth 5.1% of last year's revenue, over about 52 months.₩6.6B
9/17Kye-Ryong Construction IndustrialWorth 3.6% of last year's revenue.₩103B
9/17AmendedGS Engineering & ConstructionWorth 3.5% of last year's revenue.₩431B

Insider trades 38

9/17Net saleNCNational Pension Service bought 284,184 sh and sold 568,470 sh, Jul 1–Sep 14: net sale of 284,286 sh.₩68.7B
9/17SaleKorea Petro Chemical INDNational Pension Service sold 5,384 sh on the market at an average ₩109,034, Sep 14.₩587M
9/17Net saleAmorepacificNational Pension Service bought 2,911 sh and sold 3,646 sh, Sep 16: net sale of 735 sh.₩132.6M
9/17BuyDawon CableCEO bought 11,399 sh on the market at an average ₩9,800, Sep 16.₩111.7M
9/17BuyOsangjaielCEO bought 41,000 sh on the market at an average ₩2,400, Sep 16–17.₩98.4M
9/17BuyDMSDirector bought 14,000 sh on the market at an average ₩6,935, Sep 16–17.₩97.1M
9/17BuySangboAn insider bought 48,122 sh on the market at an average ₩1,662, Sep 14–16.₩80M
9/17Net saleSapien SemiconductorsAn insider bought 280 sh and sold 2,178 sh, Jul 13–Sep 10: net sale of 1,898 sh.₩6.4M
9/17BuyKG Mobility PlatformExecutive bought 10,000 sh on the market at an average ₩6,509, Sep 14–17.₩65.1M
9/17BuyKG Mobility PlatformExecutive bought 10,000 sh on the market at an average ₩6,503, Sep 14–17.₩65M
9/17BuySamsung Electronics Co,Director bought 210 sh on the market at an average ₩268,000, Sep 14.₩56.3M
9/17BuyeSANGNetworks10%+ shareholder bought 6,893 sh on the market at an average ₩7,373, Aug 27–Sep 16.₩50.8M
9/17BuyHNK Machine ToolCEO bought 12,605 sh on the market at an average ₩2,951, Sep 16–17.₩37.2M
9/17BuyInnodepAn insider bought 11,926 sh on the market at an average ₩2,577, Sep 17.₩30.7M
9/17BuySTIC InvestmentsAn insider bought 3,584 sh on the market at an average ₩8,408, Sep 11–15.₩30.1M
9/17BuySCL SciencePresident bought 4,403 sh on the market at an average ₩2,277, Sep 11.₩10M
9/17BuyBubangChairman bought 2,500 sh on the market at an average ₩997, Sep 8–14.₩2.5M
9/17BuySinjin SMCEO bought 1,000 sh on the market at an average ₩1,499, Sep 10.₩1.5M
9/17BuySinjin SMCEO bought 12 sh on the market at an average ₩1,498, Sep 10.₩17,976
9/17Other changeEcoGlow10%+ shareholder's holding fell by 131,752 sh (off-market sale).-131,752 sh
9/17Other changeOrientbioChairman's holding fell by 822,359 sh (other change).-822,359 sh
9/17Other changeOrientbioCEO's holding fell by 223,944 sh (other change).-223,944 sh
9/17Other changeOrientbio10%+ shareholder's holding fell by 8,464,202 sh (other change).-8,464,202 sh
9/17Other changeDealiciousCEO's holding rose by 108,000 sh (stock option).+108,000 sh
9/17Other changeHLB GenexAn insider's holding rose by 70,518 sh (other change).+70,518 sh
9/17Other changeDYAAn insider's holding fell by 624,967 sh (merger).-624,967 sh
9/17Other changeDYAAn insider's holding rose by 624,967 sh (merger).+624,967 sh
9/17Other changeAprilBioExecutive's holding rose by 37,900 sh (new report).+37,900 sh
9/17BuyDSRCEO bought 528 sh on the market, Sep 14.₩0
9/17Other changeNaverAn insider's holding rose by 500 sh (stock option).+500 sh
9/17Other changeNaverAn insider's holding rose by 500 sh (stock option).+500 sh
9/17Other changeNaverAn insider's holding rose by 3,000 sh (stock option).+3,000 sh
9/17Other changeMiwon Chemicals10%+ shareholder's holding fell by 1,300 sh (other change).-1,300 sh
9/17Other changeKorea Advanced MaterialsAn insider's holding rose by 2,958,579 sh (off-market buy).+2,958,579 sh
9/17Other changeKoreaGasExecutive's holding rose by 456 sh (new report).+456 sh
9/17Other changeBonneDirector's holding rose by 10,326,263 sh (off-market buy, other change).+10,326,263 sh
9/17Other changeJW Pharmaceutical10%+ shareholder's holding rose by 232,069 sh (conversion/exercise, other change).+232,069 sh
9/17SaleRF MaterialsAn insider sold 10,000 sh on the market, Sep 14.₩0

5% holders 40

9/17New 5%BonneA major holder's stake rose from 0.00% to 76.99%.76.99%
9/17New 5%DYAA major holder's stake rose from 0.00% to 45.24% (merger).45.24%
9/17Below 5%DYAA major holder's stake fell from 45.24% to 0.00% (merger).0.00%
9/17New 5%NH Special Purpose Acquisition 34 CompanyA major holder's stake rose from 0.00% to 9.98%.9.98%
9/17New 5%Korea Advanced MaterialsA major holder's stake rose from 0.00% to 6.56% (conversion/exercise).6.56%
9/17New 5%YoungWoo DSPA major holder's stake rose from 0.00% to 5.03%.5.03%
9/17Below 5%OscotecA major holder's stake fell from 9.88% to 0.00%.0.00%
9/17Korea Advanced MaterialsA major holder's stake rose from 14.05% to 22.45%.22.45%
9/17HLB innoVationA major holder's stake rose from 36.73% to 41.72% (rights offering).41.72%
9/17Yujin RobotA major holder's stake fell from 45.86% to 43.72%.43.72%
9/17KoasA major holder's stake rose from 8.15% to 9.65%.9.65%
9/17AmendedALTA major holder's stake fell from 6.93% to 5.76%.5.76%
9/17K-Top ReitsA major holder's stake rose from 13.69% to 14.75%.14.75%
9/17Below 5%KwangjinIndA major holder's stake fell from 5.83% to 4.82%.4.82%
9/17HNK Machine ToolA major holder's stake rose from 54.04% to 54.97% (open-market buy).54.97%
9/17DealiciousA major holder's stake fell from 29.47% to 28.93% (stock option).28.93%
9/17Ilshin SpinningA major holder's stake rose from 51.49% to 52.03% (gift).52.03%
9/17JW PharmaceuticalA major holder's stake rose from 45.37% to 45.89% (conversion/exercise).45.89%
9/17DavolinkA major holder's stake fell from 20.51% to 20.14%.20.14%
9/17eSANGNetworksA major holder's stake rose from 15.79% to 16.03%.16.03%
9/17HLB GenexA major holder's stake rose from 38.32% to 38.55% (conversion/exercise).38.55%
9/17OsangjaielA major holder's stake rose from 37.82% to 38.03% (related-party change).38.03%
9/17NatureandEnvironmentA major holder's stake rose from 12.79% to 12.93% (open-market buy).12.93%
9/17d'Alba GlobalA major holder's stake fell from 5.19% to 5.09%.5.09%
9/17DMSA major holder's stake rose from 33.62% to 33.69%.33.69%
9/17SFA EngineeringA major holder's stake rose from 43.44% to 43.45% (share lending).43.45%
9/17Ecopro HNA major holder's stake rose from 31.35% to 31.35%.31.35%
9/17EcoGlowReport of 5%+ holding
9/17GabiaA major holder's stake rose from 14.29% to 14.29% (related-party change).14.29%
9/17Lightron Fiber-Optic DevicesA major holder's stake rose from 29.01% to 29.01% (pledge).29.01%
9/17NGeneBioA major holder's stake rose from 29.66% to 29.66% (rights offering).29.66%
9/17GgumbiA major holder's stake rose from 35.82% to 35.82% (pledge).35.82%
9/17The LEADA major holder's stake rose from 42.25% to 42.25% (pledge).42.25%
9/17InnodepA major holder's stake rose from 31.65% to 31.65% (share lending).31.65%
9/17DYAA major holder's stake rose from 45.24% to 45.24% (related-party change).45.24%
9/17ChasysA major holder's stake rose from 40.51% to 40.51% (pledge).40.51%
9/17Korea ZA major holder's stake rose from 17.72% to 17.72%.17.72%
9/17Youlchon ChemicalA major holder's stake rose from 56.66% to 56.66% (pledge).56.66%
9/17OscotecReport of 5%+ holding
9/17WoojinA major holder's stake rose from 29.85% to 29.85% (pledge).29.85%

Buybacks 5

9/17TrustYMSigned a ₩2B trust contract to buy back shares.₩2B
9/17TrustSM Life Design GroupSigned a ₩1.6B trust contract to buy back shares.₩1.6B
9/17BuybackBITComputerPlans to buy back 263,000 sh of treasury stock, Sep 18 to Dec 8.₩1B
9/17BuybackSingsongholdingsPlans to buy back 40,000 sh of treasury stock, Sep 18 to Dec 17.₩176M
9/17DoosanShare cancellation

Share issues & bonds 18

9/17AmendedRights offeringPintelIssuing 2,657,218 sh of new shares, equal to 23.4% of existing shares.₩3B
9/17AmendedCBLincsolutionConversion price ₩32,823; if all converted, equal to 13.7% of shares outstanding.₩30B
9/17AmendedRights offeringGMI VentureIssuing 962,277 sh of new shares, equal to 10.1% of existing shares.₩2.5B
9/17AmendedRights offeringBonneIssuing 699,473 sh of new shares, equal to 8.3% of existing shares.₩2.2B
9/17GaeasoftRights offering
9/17HanJungNCS.Rights offering
9/17AmendedSeoul Electronics & TelecomRights offering
9/17AmendedTHE CodiRights offering
9/17FreeTCapital reduction
9/17AmendedPhionxRights offering
9/17AmendedPhionxRights offering
9/17AmendedEcoGlowRights offering
9/17AmendedInsanRights offering
9/17AmendedKwangjinIndRights offering
9/17AmendedJoosungRights offering
9/17AmendedLumens BiosCapital reduction
9/17AmendedJoosungConvertible bond issue
9/17AmendedLumens BiosRights offering

M&A & spin-offs 2

9/17AmendedTera ScienceStake acquisition/disposal
9/17AmendedPangrimTangible asset deal

Exchange actions 20

9/17Samyung ENCTrading halt
9/17Jeil M&STrading halt
9/17Skonec EntertainmentTrading halt
9/17Satoshi HoldingsAdministrative issue
9/17Mgen SolutionsTrading halt
9/17Mgen SolutionsExchange inquiry
9/17Skonec EntertainmentExchange
9/17UbionTrading halt
9/17Deep CommerceTrading halt
9/17SDN CompanyTrading halt
9/17Gold&STrading halt
9/17Gold&SExchange
9/17FreeTTrading halt
9/17Hankook SteelAdministrative issue
9/17Hanwha SystemsExchange inquiry
9/17Hanwha SystemsExchange inquiry
9/17DoosanTrading halt
9/17AmendedHaitai Confectionery and FoodsExchange
9/17AmendedHaitai Confectionery and FoodsExchange
9/17Haitai Confectionery and FoodsExchange