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Key filings, May 28, 2026

455 filings · 8 highlights
← May 27, 2026May 29, 2026 →

Supply contracts 20

5/28AmendedSyntekaBioWorth 324.1% of last year's revenue, over about 18 months.₩400M
5/28AmendedKorea Electronic Power Industrial DevelopmentWorth 79.2% of last year's revenue, over about 117 months.₩313B
5/28FaduWorth 50.3% of last year's revenue, over about 7 months.₩46.5B
5/28ARIBIO HoldingsWorth 40.3% of last year's revenue, over about 36 months.₩15.4B
5/28AmendedCamus Engineering & ConstructionWorth 35.4% of last year's revenue.₩98.6B
5/28AmendedKorea Electronic Power Industrial DevelopmentWorth 32.9% of last year's revenue, over about 136 months.₩130B
5/28AmendedSamho DevelopmentWorth 25.8% of last year's revenue, over about 41 months.₩104B
5/28HD-Hyundai Marine EngineWorth 13.9% of last year's revenue, over about 24 months.₩55.8B
5/28DL HoldingsWorth 13.5% of last year's revenue, over about 91 months.₩1.00T
5/28DL E&CWorth 13.5% of last year's revenue, over about 91 months.₩1.00T
5/28AmendedSungwoo Techron CompanyWorth 13.1% of last year's revenue, over about 8 months.₩5.5B
5/28NatureandEnvironmentWorth 11.5% of last year's revenue, over about 34 months.₩4.3B
5/28CatisWorth 11.3% of last year's revenue, over about 19 months.₩3.2B
5/28NeosemWorth 10.8% of last year's revenue, over about 4 months.₩6.9B
5/28Nara Space TechnologyWorth 10.4% of last year's revenue, over about 6 months.₩1.4B
5/28AmendedHyundai-RotemWorth 9% of last year's revenue, over about 106 months.₩250B
5/28AmendedWoojinWorth 7.3% of last year's revenue, over about 12 months.₩10.3B
5/28AmendedHanwha OceanWorth 5.7% of last year's revenue, over about 35 months.₩425B
5/28AstorySingle sales/supply contract
5/28AmendedWoojin PlaimmSingle sales/supply contract

Insider trades 85

5/28Harim HoldingsInsider ownership report
5/28d'Alba GlobalInsider ownership report
5/28SamchullyInsider ownership report
5/28WooDeumGee FarmInsider ownership report
5/28HVMInsider ownership report
5/28JetemaInsider ownership report
5/28SKCInsider ownership report
5/28SKCInsider ownership report
5/28BHInsider ownership report
5/28Nara Space TechnologyInsider ownership report
5/28SKCInsider ownership report
5/28SKCInsider ownership report
5/28SKCInsider ownership report
5/28Nara Space TechnologyInsider ownership report
5/28SKCInsider ownership report
5/28H&SHigh TechInsider ownership report
5/28InBodyInsider ownership report
5/28AmendedNara Space TechnologyInsider ownership report
5/28AmendedNara Space TechnologyInsider ownership report
5/28Koramco Life Infra ReitInsider ownership report
5/28IGIS Value Plus REITInsider ownership report
5/28E Kocref Cr-ReitInsider ownership report
5/28Shinhan Alpha REIT Co,.Insider ownership report
5/28AmendedNara Space TechnologyInsider ownership report
5/28Lotte ReitInsider ownership report
5/28DB HiTekInsider ownership report
5/28Hanwha REITInsider ownership report
5/28SamsungFN REITInsider ownership report
5/28HS Hyosung Advanced MaterialsInsider ownership report
5/28Koramco the ONE ReitInsider ownership report
5/28d'Alba GlobalInsider ownership report
5/28Shinhan Seobu T&D REITInsider ownership report
5/28DaehanPharmaceuticalInsider ownership report
5/28AmendedNara Space TechnologyInsider ownership report
5/28SK ReitInsider ownership report
5/28D&D Platform REITInsider ownership report
5/28ESR Kendall Square REITInsider ownership report
5/28Easy HoldingsInsider ownership report
5/28DaekyoInsider ownership report
5/28AmendedNara Space TechnologyInsider ownership report
All insider trades →

5% holders 47

5/28New 5%LabGenomics.A major holder's stake rose from 0.00% to 18.38% (conversion/exercise).18.38%
5/28New 5%KostecsysA major holder's stake rose from 0.00% to 6.24% (new report).6.24%
5/28New 5%EnjetA major holder's stake rose from 0.00% to 5.26% (new report).5.26%
5/28AptnA major holder's stake rose from 32.51% to 45.61% (conversion/exercise).45.61%
5/28New 5%Hyundai EzwelA major holder's stake rose from 4.94% to 5.25%.5.25%
5/28New 5%Poongsan HoldingsA major holder's stake rose from 4.97% to 5.05%.5.05%
5/28AmendedBelow 5%Samjin PharmaceuticalA major holder's stake fell from 8.33% to 0.75%.0.75%
5/28Below 5%FingerA major holder's stake fell from 7.80% to 4.80% (off-market sale).4.80%
5/28ManikerA major holder's stake rose from 31.00% to 33.99% (open-market buy).33.99%
5/28RF SystemsA major holder's stake fell from 49.08% to 46.23% (open-market buy).46.23%
5/28AtecA major holder's stake rose from 26.52% to 28.66% (related-party change).28.66%
5/28HS AdA major holder's stake fell from 29.86% to 27.86%.27.86%
5/28Below 5%VictekA major holder's stake fell from 5.00% to 3.02% (open-market sale).3.02%
5/28Jeongmoon InformationA major holder's stake rose from 44.23% to 45.93% (open-market buy).45.93%
5/28Dae-IlA major holder's stake rose from 37.49% to 39.18%.39.18%
5/28Angel RoboticsA major holder's stake fell from 32.07% to 30.59% (stock option).30.59%
5/28CurocellA major holder's stake fell from 30.80% to 29.32% (open-market buy).29.32%
5/28DaehanPharmaceuticalA major holder's stake rose from 38.67% to 39.67% (related-party change).39.67%
5/28Easy HoldingsA major holder's stake rose from 52.22% to 53.20%.53.20%
5/28GaonchipsA major holder's stake fell from 47.83% to 46.87% (pledge).46.87%
5/28BHA major holder's stake rose from 21.37% to 21.60% (open-market sale).21.60%
5/28LS THiRA-UTECHA major holder's stake rose from 31.82% to 31.96% (related-party change).31.96%
5/28SamtA major holder's stake fell from 49.94% to 49.83% (related-party change).49.83%
5/28AmendedGaon CableA major holder's stake rose from 81.62% to 81.71% (open-market buy).81.71%
5/28Chongkundang HoldingsA major holder's stake rose from 47.97% to 48.04% (open-market buy).48.04%
5/28Cafe24A major holder's stake rose from 23.31% to 23.37% (related-party change).23.37%
5/28TomocubeA major holder's stake fell from 27.38% to 27.34% (gift).27.34%
5/28HC HomeCenterA major holder's stake rose from 55.65% to 55.68% (open-market buy).55.68%
5/28PhilopticsA major holder's stake fell from 25.92% to 25.89% (stock option).25.89%
5/28Cosmax BTIA major holder's stake rose from 62.98% to 63.01% (related-party change).63.01%
5/28Systems Technology IncorporatedA major holder's stake fell from 27.69% to 27.67% (stock option).27.67%
5/28Bookook SecuritiesA major holder's stake rose from 34.76% to 34.77% (related-party change).34.77%
5/28HanWool & JejuA major holder's stake rose from 47.97% to 47.97%.47.97%
5/28Namsun AluminiumA major holder's stake rose from 30.00% to 30.00% (share lending).30.00%
5/28KukjeonA major holder's stake rose from 52.23% to 52.23% (pledge).52.23%
5/28Korea PharmaA major holder's stake rose from 64.09% to 64.09% (share lending).64.09%
5/28Enzychem LifesciencesReport of 5%+ holding
5/28AmendedUTIA major holder's stake rose from 31.89% to 31.89%.31.89%
5/28RemedA major holder's stake rose from 36.12% to 36.12% (pledge).36.12%
5/28NICE HoldingsA major holder's stake rose from 51.86% to 51.86% (pledge).51.86%
All 5% holders →

Buybacks 9

5/28BuybackShinwonPlans to buy back 2,000,000 sh of treasury stock, May 29 to Aug 28.₩2.2B
5/28TrustAnam ElectronicsSigned a ₩2B trust contract to buy back shares.₩2B
5/28TrustNew Kids OnSigned a ₩1.5B trust contract to buy back shares.₩1.5B
5/28TrustSaltwareSigned a ₩1B trust contract to buy back shares.₩1B
5/28DisposalKumyang Green PowerPlans to dispose of 52,600 sh of treasury stock, May 29 to Aug 28.₩521.3M
5/28kt alphaShare cancellation
5/28DaewonShare cancellation
5/28Taihan TextileShare cancellation
5/28EnexShare cancellation

Share issues & bonds 21

5/28Capital reductionKespionCapital reduction of 50%.50%
5/28AmendedCBCSConversion price ₩3,424; if all converted, equal to 13.1% of shares outstanding.₩5B
5/28CBHLB Life ScienceConversion price ₩3,529; if all converted, equal to 2.3% of shares outstanding.₩10B
5/28AmendedRights offeringHyulim ROBOTIssuing 101,832 sh of new shares, equal to 0.1% of existing shares.₩1000M
5/28Dream SecurityExchangeable bond issue
5/28AmendedEnplusConvertible bond issue
5/28EBDigiCAPExchange price ₩4,640; if all exchanged, equal to 2% of shares outstanding.₩9.5B
5/28AmendedAribiolabConvertible bond issue
5/28AmendedXplusRights offering
5/28AmendedGreat Rich TechnologiesRights offering
5/28AdbiotechConvertible bond issue
5/28AmendedTLBBonus issue
5/28AmendedKoasConvertible bond issue
5/28DavolinkRights offering
5/28AmendedMgen SolutionsConvertible bond issue
5/28AmendedDYDRights offering
5/28AmendedPhionxConvertible bond issue
5/28AmendedGMI VentureCapital reduction
5/28AmendedARIBIO HoldingsConvertible bond issue
5/28AmendedMobile ApplianceRights offering
5/28AmendedSkonec EntertainmentRights offering

M&A & spin-offs 6

5/28KnJA ₩43.6B deal, equal to 18.9% of total assets.₩43.6B
5/28AmendedHuons GlobalMerger
5/28AmendedHuonsMerger
5/28AmendedGL Pharm TechMerger
5/28AmendedARIBIO HoldingsMerger
5/28GL Pharm TechMerger

Exchange actions 6

5/28HLB bioStepUnfaithful disclosure
5/28KBI MetalUnfaithful disclosure
5/28Q Capital PartnersTrading halt
5/28KespionTrading halt
5/28Gold&STrading halt
5/28SBI Investment KOREATrading halt