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Key filings, June 10, 2026

543 filings · 11 highlights
← June 9, 2026June 11, 2026 →

Supply contracts 17

6/10KeyeastWorth 35.2% of last year's revenue, over about 12 months.₩5.5B
6/10UdmtekWorth 31.8% of last year's revenue, over about 1 month.₩1B
6/10WoniltniWorth 24.6% of last year's revenue, over about 13 months.₩7.3B
6/10Prestige BiologicsWorth 21.3% of last year's revenue, over about 10 months.₩2.7B
6/10SphereWorth 21.1% of last year's revenue, over about 8 months.₩20.2B
6/10NeurophetWorth 17.2% of last year's revenue, over about 36 months.₩450M
6/10DIWorth 16.8% of last year's revenue, over about 7 months.₩72.5B
6/10AmendedInnometryWorth 15.8% of last year's revenue, over about 45 months.₩12B
6/10GnCenergyWorth 14.5% of last year's revenue, over about 22 months.₩38.2B
6/10Secern AIWorth 13.5% of last year's revenue, over about 36 months.₩1.9B
6/10S&sysWorth 9.7% of last year's revenue, over about 21 months.₩14B
6/10AmendedAlcheraWorth 6.7% of last year's revenue, over about 29 months.₩737.8M
6/10AmendedKorea Engineering ConsultantsWorth 5.7% of last year's revenue, over about 55 months.₩21.4B
6/10AmendedTongyangWorth 5.2% of last year's revenue, over about 45 months.₩36.2B
6/10DIWorth 4.9% of last year's revenue, over about 5 months.₩21B
6/10AmendedAlcheraWorth 3.3% of last year's revenue, over about 28 months.₩368.2M
6/10AmendedKye-Ryong Construction IndustrialWorth 3.2% of last year's revenue, over about 54 months.₩95B

Insider trades 125

6/10GFIInsider ownership report
6/10Pentastone ElectronicsInsider ownership report
6/10Pentastone ElectronicsInsider ownership report
6/10Pentastone ElectronicsInsider ownership report
6/10Samg EntertainmentInsider ownership report
6/10OntideInsider ownership report
6/10TSInsider ownership report
6/10TSInsider ownership report
6/10TSInsider ownership report
6/10TSInsider ownership report
6/10TSInsider ownership report
6/10Korea Petro Chemical INDInsider ownership report
6/10Daewon PharmaceuticalInsider ownership report
6/10Hanmi Pharm.Insider ownership report
6/10Hyulim A-TechInsider ownership report
6/10TongyangInsider ownership report
6/10PoongsanInsider ownership report
6/10Seah HoldingsInsider ownership report
6/10KmpharmaceuticalInsider ownership report
6/10AJU IB InvestmentInsider ownership report
6/10Hyundai MobisInsider ownership report
6/10ktisInsider ownership report
6/10Deep CommerceInsider ownership report
6/10KoMiInsider ownership report
6/10Wing YIP Food Holdings GroupInsider ownership report
6/10Wing YIP Food Holdings GroupInsider ownership report
6/10ktisInsider ownership report
6/10PonyLinkInsider ownership report
6/10TongyangInsider ownership report
6/10ktisInsider ownership report
6/10CXI Healthcare Technology GroupInsider ownership report
6/10GC MediAIInsider ownership report
6/10HLB PanageneInsider ownership report
6/10HLB bioStepInsider ownership report
6/10HLB TherapeuticsInsider ownership report
6/10HLB innoVationInsider ownership report
6/10HLB GenexInsider ownership report
6/10NH NongwoobioInsider ownership report
6/10ktisInsider ownership report
6/10Miwon ChemicalsInsider ownership report
All insider trades →

5% holders 92

6/10GMI VentureA major holder's stake rose from 5.65% to 31.56% (conversion/exercise).31.56%
6/10New 5%BitmaxA major holder's stake rose from 0.00% to 8.62% (new report).8.62%
6/10New 5%Asia HoldingsA major holder's stake rose from 0.00% to 7.95%.7.95%
6/10New 5%Kiwoom Hero No.1 Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 5.57%.5.57%
6/10New 5%Samsung Special Purpose Acquisition 11 CompanyA major holder's stake rose from 0.00% to 5.28%.5.28%
6/10Below 5%Focus AIA major holder's stake fell from 11.00% to 3.66% (open-market sale).3.66%
6/10THE E&MA major holder's stake fell from 24.90% to 17.96% (conversion/exercise).17.96%
6/10Below 5%HLB PepA major holder's stake fell from 8.66% to 2.81% (conversion/exercise).2.81%
6/10AmendedHanWool Materials ScienceA major holder's stake fell from 32.17% to 26.34% (conversion/exercise).26.34%
6/10XplusA major holder's stake fell from 24.45% to 18.94% (open-market sale).18.94%
6/10Hyulim A-TechA major holder's stake fell from 30.12% to 25.60%.25.60%
6/10Deep CommerceA major holder's stake fell from 15.24% to 10.92% (stock option).10.92%
6/10Below 5%RN2 TechnologiesA major holder's stake fell from 7.56% to 3.60% (open-market sale).3.60%
6/10Aurora WorldA major holder's stake rose from 5.47% to 8.57%.8.57%
6/10AJU IB InvestmentA major holder's stake fell from 57.38% to 54.38%.54.38%
6/10Micro Contact SolutionA major holder's stake fell from 14.18% to 11.54%.11.54%
6/10AprogenA major holder's stake fell from 14.83% to 12.21% (conversion/exercise).12.21%
6/10Telcon RF PharmaceuticalA major holder's stake fell from 13.67% to 11.18% (conversion/exercise).11.18%
6/10AvatecA major holder's stake fell from 8.53% to 6.11%.6.11%
6/10KnowmerceA major holder's stake rose from 7.88% to 10.23%.10.23%
6/10Wing YIP Food Holdings GroupA major holder's stake fell from 47.42% to 45.20% (share consolidation/split).45.20%
6/10Lotte Tour DevelopmentA major holder's stake rose from 5.97% to 7.99%.7.99%
6/10Hanshin ConstructionA major holder's stake rose from 8.31% to 10.27%.10.27%
6/10OntideA major holder's stake rose from 41.65% to 43.53%.43.53%
6/10Lotte Chilsung BeverageA major holder's stake fell from 6.89% to 5.06%.5.06%
6/10Seah HoldingsA major holder's stake fell from 76.08% to 74.26% (pledge).74.26%
6/10SDN CompanyA major holder's stake fell from 14.19% to 12.45% (open-market buy).12.45%
6/10AtecA major holder's stake rose from 28.66% to 30.36% (related-party change).30.36%
6/10Below 5%d'Alba GlobalA major holder's stake fell from 5.12% to 3.45%.3.45%
6/10HanWool Materials ScienceA major holder's stake fell from 14.15% to 12.55% (related-party change).12.55%
6/10AprilBioA major holder's stake fell from 6.99% to 5.41%.5.41%
6/10F&FA major holder's stake fell from 8.74% to 7.23%.7.23%
6/10Daesang HoldingsA major holder's stake rose from 5.15% to 6.64% (open-market buy).6.64%
6/10GFIA major holder's stake fell from 20.36% to 18.90%.18.90%
6/10Samji ElectronicsA major holder's stake rose from 5.22% to 6.66%.6.66%
6/10Copus KoreaA major holder's stake fell from 17.91% to 16.52% (off-market sale).16.52%
6/10Mastern Premier Reit 1A major holder's stake fell from 6.46% to 5.09%.5.09%
6/10GaonchipsA major holder's stake fell from 6.41% to 5.06% (conversion/exercise).5.06%
6/10SolumA major holder's stake fell from 7.99% to 6.71%.6.71%
6/10HanWool SemiconductorA major holder's stake fell from 11.38% to 10.12% (conversion/exercise).10.12%
All 5% holders →

Buybacks 21

6/10TrustWoori Financial GroupEnded a share buyback trust contract.₩200B
6/10BuybackWebzenPlans to buy back 1,100,000 sh of treasury stock, Jun 11 to Sep 10.₩10.9B
6/10TrustKomelonEnded a share buyback trust contract.₩10B
6/10TrustT. KSigned a ₩10B trust contract to buy back shares.₩10B
6/10TrustAsia HoldingsSigned a ₩8B trust contract to buy back shares.₩8B
6/10TrustDong-Ah Geological Engineering CompanySigned a ₩7.5B trust contract to buy back shares.₩7.5B
6/10TrustDong-Ah Geological Engineering CompanyEnded a share buyback trust contract.₩7.5B
6/10TrustDigiCAPSigned a ₩3B trust contract to buy back shares.₩3B
6/10BuybackChungdamglobalPlans to buy back 537,635 sh of treasury stock, Jun 11 to Aug 31.₩2B
6/10TrustSeoul Information ServiceSigned a ₩1.2B trust contract to buy back shares.₩1.2B
6/10BuybackKnowmercePlans to buy back 80,128 sh of treasury stock, Jun 11 to Sep 10.₩1B
6/10TrustCell Bio Human TechSigned a ₩1B trust contract to buy back shares.₩1B
6/10TrustG2PowerSigned a ₩600M trust contract to buy back shares.₩600M
6/10AmendedBuybackCasPlans to buy back 600,240 sh of treasury stock, Jun 11 to Sep 10.₩500M
6/10DisposalSJ GroupPlans to dispose of 30,150 sh of treasury stock, Jun 11 to Jun 26.₩65.7M
6/10Codes CombineShare cancellation
6/10Seobu T&DShare cancellation
6/10AmendedWoori Financial GroupShare cancellation
6/10Asia CementShare cancellation
6/10CasTreasury stock acquisition
6/10AmendedSamjin LND CompanyBuyback trust contract

Share issues & bonds 20

6/10Rights offeringBistosIssuing 1,359,751 sh of new shares, equal to 29.6% of existing shares.₩3.5B
6/10Rights offeringHiDeepIssuing 5,808,766 sh of new shares, equal to 18.7% of existing shares.₩6.5B
6/10Rights offeringPoongjeon PharmacyIssuing 796,812 sh of new shares, equal to 9% of existing shares.₩2B
6/10CBPoongjeon PharmacyConversion price ₩3,332; if all converted, equal to 6.8% of shares outstanding.₩2B
6/10CBGMI VentureConversion price ₩500; if all converted, equal to 5.9% of shares outstanding.₩3B
6/10CBDawon CableConversion price ₩11,650; if all converted, equal to 5% of shares outstanding.₩50B
6/10Rights offeringNeoImmuneTechIssuing 683,960 sh of new shares, equal to 2% of existing shares.₩1.5B
6/10IMTRights offering
6/10SeAH Steel HoldingsRights offering
6/10AmendedDaedongBonus issue
6/10DY DeokyangRights offering
6/10AmendedCSA CosmicRights offering
6/10AmendedMoadataConvertible bond issue
6/10AmendedDynamic DesignCapital reduction
6/10AmendedBlue Industrial DevelopmentConvertible bond issue
6/10AmendedItekRights offering
6/10AmendedDaedongGearBonus issue
6/10AmendedJS LinkConvertible bond issue
6/10AmendedJS LinkConvertible bond issue
6/10UnichemRights offering

M&A & spin-offs 3

6/10FinoStake acquisition/disposal
6/10AmendedCrowdWorksStake acquisition/disposal
6/10AmendedWaviceTangible asset deal

Exchange actions 8

6/10Daejin Advanced MaterialsTrading halt
6/10DuobackAdministrative issue
6/10EutilexExchange
6/10InkredibleBuzzExchange
6/10DhautowareSpin-off / split
6/10POSCO HoldingsUnfaithful disclosure
6/10KG MobilityExchange inquiry
6/10Kolon IndustriesExchange inquiry