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Key filings, March 30, 2026

854 filings · 7 highlights
← March 27, 2026March 31, 2026 →

Supply contracts 30

3/30AmendedICDWorth 101% of last year's revenue, over about 19 months.₩62.9B
3/30AmendedKorea Electronic Power Industrial DevelopmentWorth 78.9% of last year's revenue.₩290B
3/30AmendedUnisonWorth 41.4% of last year's revenue, over about 131 months.₩16.9B
3/30AmendedQualitas SemiconductorWorth 39.9% of last year's revenue, over about 12 months.₩2.4B
3/30AmendedKorea Electronic Power Industrial DevelopmentWorth 33% of last year's revenue.₩121B
3/30AmendedCheryong IndustrialWorth 30.9% of last year's revenue, over about 11 months.₩9.1B
3/30AmendedKorea Electronic Power Industrial DevelopmentWorth 23.1% of last year's revenue.₩85B
3/30AmendedWoowon DevelopmentWorth 19.9% of last year's revenue, over about 89 months.₩57.7B
3/30AmendedEehwaConstructionWorth 18.9% of last year's revenue, over about 22 months.₩28.5B
3/30AmendedSphereWorth 18.7% of last year's revenue, over about 3 months.₩478M
3/30C&R ResearchWorth 17.7% of last year's revenue, over about 36 months.₩11.5B
3/30AmendedSeondo ElectricWorth 14.7% of last year's revenue.₩3.5B
3/30AmendedEehwaConstructionWorth 12.7% of last year's revenue, over about 41 months.₩24.8B
3/30AmendedHanshin ConstructionWorth 11.7% of last year's revenue, over about 126 months.₩127B
3/30AmendedIljin HysolusWorth 11.6% of last year's revenue, over about 16 months.₩9.1B
3/30AmendedAprogenWorth 11.1% of last year's revenue, over about 27 months.₩8.7B
3/30EcoproWorth 10.2% of last year's revenue, over about 49 months.₩24B
3/30Ecopro HNWorth 10.2% of last year's revenue, over about 49 months.₩24B
3/30Hyundai Engineering & ConstructionWorth 8.4% of last year's revenue.₩2.75T
3/30Hanwha EngineWorth 8% of last year's revenue, over about 27 months.₩95.7B
3/30Iljin PowerWorth 7.8% of last year's revenue, over about 2 months.₩15.1B
3/30AmendedSTX Engine Co,.Worth 6.2% of last year's revenue.₩33.6B
3/30AmendedIS DongseoWorth 5.7% of last year's revenue, over about 43 months.₩91B
3/30AmendedHD-Hyundai Marine EngineWorth 5.2% of last year's revenue.₩12.6B
3/30KUMHO Engineering & ConstructionWorth 5% of last year's revenue, over about 93 months.₩96B
3/30TY HoldingsWorth 3.6% of last year's revenue, over about 93 months.₩96B
3/30Taeyoung Engineering & ConstructionWorth 3.6% of last year's revenue, over about 93 months.₩96B
3/30AmendedSamsung C&TWorth 2.5% of last year's revenue, over about 39 months.₩1.06T
3/30Shinsung E&GWorth 2.1% of last year's revenue, over about 3 months.₩12.2B
3/30AmendedIteyesSingle sales/supply contract

Insider trades 62

3/30Shinhan Financial GroupInsider ownership report
3/30DoznInsider ownership report
3/30SeoyonInsider ownership report
3/30Daou DataInsider ownership report
3/30Wonik CubeInsider ownership report
3/30SimpacInsider ownership report
3/30DSMInsider ownership report
3/30Cell Bio Human TechInsider ownership report
3/30HantechInsider ownership report
3/30S&K GlobalInsider ownership report
3/30Korea Asset IN TrustInsider ownership report
3/30Hecto FinancialInsider ownership report
3/30WoongjinInsider ownership report
3/30ST PharmInsider ownership report
3/30WoongjinInsider ownership report
3/30Meritz Financial GroupInsider ownership report
3/30S&K GlobalInsider ownership report
3/30Meritz Financial GroupInsider ownership report
3/30ST PharmInsider ownership report
3/30Chai CommunicationInsider ownership report
3/30Meritz Financial GroupInsider ownership report
3/30Haisung Aero-RoboticsInsider ownership report
3/30Meritz Financial GroupInsider ownership report
3/30MDSsphereInsider ownership report
3/30Chai CommunicationInsider ownership report
3/30Chai CommunicationInsider ownership report
3/30Kukbo DesignInsider ownership report
3/30SAMYANG NC ChemInsider ownership report
3/30Chai CommunicationInsider ownership report
3/30Chai CommunicationInsider ownership report
3/30ArootInsider ownership report
3/30Chai CommunicationInsider ownership report
3/30Cafe24Insider ownership report
3/30Samsung SDIInsider ownership report
3/30Kolon TissueGeneInsider ownership report
3/30Genome&CompanyInsider ownership report
3/30Samyang PackagingInsider ownership report
3/30Genome&CompanyInsider ownership report
3/30GeneOne Life ScienceInsider ownership report
3/30MekicsInsider ownership report
All insider trades →

5% holders 51

3/30New 5%S&K GlobalA major holder's stake rose from 0.00% to 42.31% (gift).42.31%
3/30AmendedNew 5%IMBiologicsA major holder's stake rose from 0.00% to 36.64% (new report).36.64%
3/30Below 5%S&K GlobalA major holder's stake fell from 42.37% to 0.00% (gift).0.00%
3/30New 5%RN2 TechnologiesA major holder's stake rose from 0.00% to 7.78% (conversion/exercise).7.78%
3/30New 5%LFA major holder's stake rose from 4.94% to 5.49%.5.49%
3/30New 5%LG DisplayBlackRock's stake rose from 4.96% to 5.04%.5.04%
3/30Chai CommunicationA major holder's stake fell from 65.90% to 58.05% (gift).58.05%
3/30HantechA major holder's stake fell from 69.60% to 63.94% (conversion/exercise).63.94%
3/30Below 5%Dynamic solutionA major holder's stake rose from 0.00% to 4.88% (conversion/exercise).4.88%
3/30KoasA major holder's stake fell from 25.73% to 21.32%.21.32%
3/30SaraminA major holder's stake rose from 47.58% to 51.98% (related-party change).51.98%
3/30WitsA major holder's stake fell from 63.03% to 58.92% (stock option).58.92%
3/30AlcheraA major holder's stake rose from 16.95% to 20.29% (stock option).20.29%
3/30SK DiscoveryA major holder's stake rose from 51.74% to 54.49% (related-party change).54.49%
3/30cooconA major holder's stake fell from 31.93% to 29.56% (related-party change).29.56%
3/30Meritz Financial GroupA major holder's stake rose from 56.14% to 58.21% (related-party change).58.21%
3/30MoadataA major holder's stake fell from 34.97% to 33.21% (pledge).33.21%
3/30Eone Diagnomics Genome CenterA major holder's stake fell from 9.09% to 7.43% (conversion/exercise).7.43%
3/30KIWOOM SecuritiesA major holder's stake rose from 41.23% to 42.51% (related-party change).42.51%
3/30VMA major holder's stake rose from 10.04% to 11.22% (related-party change).11.22%
3/30Below 5%KB Star ReitA major holder's stake fell from 5.11% to 4.09%.4.09%
3/30YW CompanyA major holder's stake rose from 23.30% to 24.30% (open-market buy).24.30%
3/30LTCA major holder's stake fell from 29.67% to 28.96% (pledge).28.96%
3/30LaseroptekA major holder's stake rose from 21.88% to 22.56% (conversion/exercise).22.56%
3/30Kumyang Green PowerA major holder's stake fell from 59.46% to 58.84% (pledge).58.84%
3/30SSRA major holder's stake rose from 44.63% to 45.19% (open-market buy).45.19%
3/30Below 5%ItekA major holder's stake fell from 5.45% to 4.90%.4.90%
3/30WoongjinA major holder's stake fell from 32.53% to 32.01% (stock option).32.01%
3/30Castec KoreaA major holder's stake fell from 35.09% to 34.75% (open-market buy).34.75%
3/30AmendedAprogen BiologicsA major holder's stake rose from 79.68% to 79.81% (conversion/exercise).79.81%
3/30SK ChemicalsA major holder's stake fell from 43.50% to 43.37% (related-party change).43.37%
3/30Korea Asset IN TrustA major holder's stake fell from 54.40% to 54.30% (related-party change).54.30%
3/30OsangjaielA major holder's stake rose from 37.82% to 37.92%.37.92%
3/30MacrogenA major holder's stake fell from 20.17% to 20.13% (stock option).20.13%
3/30Daou DataA major holder's stake rose from 63.26% to 63.29% (related-party change).63.29%
3/30Kakao GamesA major holder's stake fell from 52.76% to 52.73% (related-party change).52.73%
3/30High Tech PharmA major holder's stake rose from 47.04% to 47.07% (related-party change).47.07%
3/30Daou TechnologyA major holder's stake rose from 47.28% to 47.29% (related-party change).47.29%
3/30Daelim TradingA major holder's stake fell from 68.52% to 68.51% (pledge).68.51%
3/30Taihan TextileA major holder's stake rose from 31.97% to 31.97%.31.97%
All 5% holders →

Buybacks 4

3/30BuybackMisto HoldingsPlans to buy back 248,756 sh of treasury stock, Mar 31 to Jun 30.₩10B
3/30DisposalSK hynixPlans to dispose of 9,007 sh of treasury stock, Mar 30 to Mar 30.₩8.3B
3/30BuybackNarae NanotechPlans to buy back 404,448 sh of treasury stock, Mar 31 to Jun 30.₩2B
3/30SK SquareTreasury stock disposal

Share issues & bonds 22

3/30AmendedCapital reductionBlue Industrial DevelopmentCapital reduction of 91.7%.91.7%
3/30AmendedCapital reductionNuonCapital reduction of 90%.90%
3/30AmendedCBKolmar BioTechConversion price ₩2,325; if all converted, equal to 47.2% of shares outstanding.₩35B
3/30AmendedCBKR MotorsConversion price ₩500; if all converted, equal to 4.8% of shares outstanding.₩3.5B
3/30AmendedCBKR MotorsConversion price ₩500; if all converted, equal to 2.9% of shares outstanding.₩2B
3/30CBHydro LithiumConversion price ₩1,923; if all converted, equal to 0.8% of shares outstanding.₩827M
3/30ABL BioRights offering
3/30Kakao GamesConvertible bond issue
3/30Kakao GamesRights offering
3/30AmendedNeoriginRights offering
3/30AmendedTHE Willbes &Rights offering
3/30AmendedKumho ElectricConvertible bond issue
3/30AmendedKumho ElectricRights offering
3/30AmendedDawonsysRights offering
3/30AmendedBucket StudioRights offering
3/30AmendedNexusConvertible bond issue
3/30AmendedDYDRights offering
3/30AmendedItoxiRights offering
3/30AmendedItoxiRights offering
3/30AmendedItoxiRights offering
3/30EOFlowConvertible bond issue
3/30RftechRights offering

M&A & spin-offs 3

3/30AmendedNaverShare exchange
3/30AmendedDYMerger
3/30AmendedSensorviewTangible asset deal

Exchange actions 6

3/30DawonsysTrading halt
3/30EutilexTrading halt
3/30FlaskExchange
3/30Union Korea PharmTrading halt
3/30Union Korea PharmExchange
3/30EnplusExchange