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Key filings, May 29, 2026

1,184 filings · 5 highlights
← May 28, 2026June 1, 2026 →

Supply contracts 37

5/29AmendedNamkwang Engineering & ConstructionWorth 211% of last year's revenue.₩244B
5/29AmendedDawonsysWorth 122.9% of last year's revenue, over about 71 months.₩215B
5/29AmendedTOP MaterialWorth 110.4% of last year's revenue, over about 43 months.₩69.6B
5/29AmendedTuksuConstructionWorth 83.4% of last year's revenue, over about 84 months.₩193B
5/29AmendedFaduWorth 33.3% of last year's revenue, over about 7 months.₩14.5B
5/29AmendedKangwon EnergyWorth 32.9% of last year's revenue, over about 30 months.₩23.5B
5/29AmendedKangwon EnergyWorth 31.3% of last year's revenue, over about 29 months.₩43.6B
5/29AmendedDong-Ah Geological Engineering CompanyWorth 30.5% of last year's revenue, over about 89 months.₩116B
5/29AmendedFaduWorth 28.2% of last year's revenue, over about 6 months.₩12.3B
5/29AmendedWoowon DevelopmentWorth 23% of last year's revenue, over about 80 months.₩72.6B
5/29AmendedLasersselWorth 21.7% of last year's revenue, over about 11 months.₩871.8M
5/29AmendedSamhwa NetworksWorth 16.2% of last year's revenue, over about 120 months.₩4.8B
5/29AmendedHL HoldingsWorth 15.7% of last year's revenue, over about 34 months.₩205B
5/29AmendedHL D&I HallaWorth 15.7% of last year's revenue, over about 34 months.₩205B
5/29AmendedSBB TechWorth 12.1% of last year's revenue, over about 8 months.₩665.4M
5/29AmendedXIIlabWorth 12% of last year's revenue, over about 11 months.₩1.1B
5/29AmendedSkonec EntertainmentWorth 11.8% of last year's revenue, over about 10 months.₩524M
5/29FaduWorth 11.2% of last year's revenue, over about 4 months.₩10.4B
5/29AmendedUdmtekWorth 10.7% of last year's revenue, over about 10 months.₩652M
5/29AmendedSambu ConstructionWorth 10% of last year's revenue, over about 92 months.₩17.8B
5/29Huneed TechnologiesWorth 9.1% of last year's revenue, over about 67 months.₩12.4B
5/29AmendedSigong TechWorth 8.6% of last year's revenue, over about 11 months.₩12.7B
5/29AmendedDS DansukWorth 7.7% of last year's revenue, over about 12 months.₩74B
5/29KCC Engineering & ConstructionWorth 7.6% of last year's revenue, over about 36 months.₩139B
5/29DongbuWorth 7.3% of last year's revenue, over about 65 months.₩128B
5/29AmendedDohwa EngineeringWorth 7% of last year's revenue, over about 18 months.₩40.3B
5/29KUMHO Engineering & ConstructionWorth 6.3% of last year's revenue, over about 65 months.₩128B
5/29HD-Hyundai Marine EngineWorth 6.2% of last year's revenue, over about 34 months.₩24.8B
5/29AmendedTongyangWorth 5.3% of last year's revenue, over about 45 months.₩37.1B
5/29Daewoo Engineering & ConstructionWorth 4.8% of last year's revenue, over about 65 months.₩384B
5/29AmendedHJ Shipbuilding & ConstructionWorth 3.7% of last year's revenue.₩62.7B
5/29Hanwha OceanWorth 2.9% of last year's revenue, over about 40 months.₩376B
5/29CaregenSupply contract terminated
5/29CaregenSupply contract terminated
5/29AmendedKainos MedicineSupply contract terminated
5/29Kainos MedicineSupply contract terminated
5/29AmendedNCSingle sales/supply contract

Insider trades 77

5/29Seoul Electronics & TelecomInsider ownership report
5/29Seoul Electronics & TelecomInsider ownership report
5/29Seoul Electronics & TelecomInsider ownership report
5/29Woosung MaterialsInsider ownership report
5/29SewonInsider ownership report
5/29Genome&CompanyInsider ownership report
5/29Genome&CompanyInsider ownership report
5/29Haesung DSInsider ownership report
5/29LTCInsider ownership report
5/29MIRAE ASSET Life InsuranceInsider ownership report
5/29HiDeepInsider ownership report
5/29RN2 TechnologiesInsider ownership report
5/29PlateerInsider ownership report
5/29Pulmuone CorporateInsider ownership report
5/29Kukje PharmaInsider ownership report
5/29CelltrionInsider ownership report
5/29FingerInsider ownership report
5/29PlateerInsider ownership report
5/29Meritz Financial GroupInsider ownership report
5/29Meritz Financial GroupInsider ownership report
5/29AmendedHite JinroInsider ownership report
5/29HumasisInsider ownership report
5/29HanWool SemiconductorInsider ownership report
5/29Welkeeps HitechInsider ownership report
5/29HanWool SemiconductorInsider ownership report
5/29FaduInsider ownership report
5/29KTInsider ownership report
5/29SimpacInsider ownership report
5/29BluemtecInsider ownership report
5/29SKNetworksCompanyInsider ownership report
5/29Namhwa IndustrialInsider ownership report
5/29Samsung Electronics Co,Insider ownership report
5/29Hana MaterialsInsider ownership report
5/29PintelInsider ownership report
5/29OyangInsider ownership report
5/29SKCInsider ownership report
5/29WISEnutInsider ownership report
5/29UnickInsider ownership report
5/29Optipharm.Insider ownership report
5/29Daesung Microbiological Labs.Insider ownership report
All insider trades →

5% holders 71

5/29New 5%Seoul Electronics & TelecomA major holder's stake rose from 0.00% to 14.90% (off-market buy).14.90%
5/29New 5%Seoul Electronics & TelecomA major holder's stake rose from 0.00% to 13.50% (off-market buy).13.50%
5/29New 5%Seoul Electronics & TelecomA major holder's stake rose from 0.00% to 13.50% (off-market buy).13.50%
5/29OptrontecA major holder's stake rose from 12.22% to 34.02% (conversion/exercise).34.02%
5/29AmendedNew 5%GeninusA major holder's stake rose from 0.00% to 7.38% (rights offering).7.38%
5/29New 5%EnplusA major holder's stake rose from 0.00% to 6.34% (conversion/exercise).6.34%
5/29Below 5%Satoshi HoldingsA major holder's stake fell from 16.31% to 3.75% (conversion/exercise).3.75%
5/29New 5%Hyundai Department StoreA major holder's stake rose from 4.99% to 5.23%.5.23%
5/29New 5%Seoul Broadcasting SystemA major holder's stake rose from 4.99% to 5.19% (new report).5.19%
5/29d'Alba GlobalA major holder's stake fell from 27.07% to 20.80% (related-party change).20.80%
5/29Genome&CompanyA major holder's stake fell from 15.67% to 9.65% (related-party change).9.65%
5/29PavonineA major holder's stake rose from 27.71% to 33.01% (share lending).33.01%
5/29Poongwon PrecisionA major holder's stake fell from 75.16% to 69.86% (pledge).69.86%
5/29BMTA major holder's stake fell from 60.43% to 55.56% (gift).55.56%
5/29NexusA major holder's stake fell from 10.46% to 6.02% (related-party change).6.02%
5/29SKCA major holder's stake fell from 47.34% to 43.76% (related-party change).43.76%
5/29Below 5%AproA major holder's stake fell from 6.56% to 3.35% (conversion/exercise).3.35%
5/29LTCA major holder's stake fell from 28.96% to 26.17% (share lending).26.17%
5/29RN2 TechnologiesA major holder's stake fell from 18.10% to 15.33% (related-party change).15.33%
5/29MedienceA major holder's stake rose from 34.77% to 37.06% (open-market buy).37.06%
5/29DYCA major holder's stake fell from 11.13% to 8.96%.8.96%
5/29AprogenA major holder's stake rose from 71.98% to 74.13% (conversion/exercise).74.13%
5/29Below 5%Dongjin SemichemA major holder's stake fell from 5.04% to 2.91%.2.91%
5/29Below 5%Park SystemsA major holder's stake fell from 5.00% to 2.89%.2.89%
5/29GaeasoftA major holder's stake rose from 7.14% to 8.91%.8.91%
5/29DAE Dong SteelA major holder's stake rose from 40.07% to 41.44% (open-market buy).41.44%
5/29Woosung MaterialsA major holder's stake rose from 17.53% to 18.69% (related-party change).18.69%
5/29Woosung MaterialsA major holder's stake rose from 17.53% to 18.69% (related-party change).18.69%
5/29Below 5%PemtronA major holder's stake fell from 5.22% to 4.09%.4.09%
5/29Korea Aerospace IndustriesA major holder's stake rose from 6.17% to 7.22%.7.22%
5/29Below 5%DaejooElectronicMaterialsA major holder's stake fell from 5.19% to 4.15%.4.15%
5/29BGF retailA major holder's stake fell from 50.28% to 49.24% (related-party change).49.24%
5/29Below 5%OscotecA major holder's stake fell from 5.14% to 4.11%.4.11%
5/29Below 5%Fine SemitechA major holder's stake fell from 5.06% to 4.04%.4.04%
5/29Below 5%PeptronA major holder's stake fell from 5.10% to 4.08%.4.08%
5/29Below 5%Hyundai BioscienceA major holder's stake fell from 5.01% to 4.00%.4.00%
5/29Below 5%SFA NexelA major holder's stake fell from 5.15% to 4.15%.4.15%
5/29Below 5%HLBA major holder's stake fell from 5.09% to 4.09%.4.09%
5/29GgumbiA major holder's stake fell from 37.87% to 37.16% (open-market sale).37.16%
5/29OCI Holdings CompanyA major holder's stake fell from 30.36% to 29.66% (open-market sale).29.66%
All 5% holders →

Buybacks 13

5/29BuybackGhost StudioPlans to buy back 1,756,192 sh of treasury stock, Jun 10 to Aug 28.₩12.6B
5/29DisposalDigital DaesungPlans to dispose of 551,204 sh of treasury stock, May 29 to May 29.₩4.4B
5/29AmendedBuybackBITComputerPlans to buy back 222,000 sh of treasury stock, Jun 1 to Aug 29.₩1B
5/29AmendedBuybackExemPlans to buy back 575,373 sh of treasury stock, May 30 to Aug 29.₩1B
5/29AmendedBuybackS-ChemPlans to buy back 120,481 sh of treasury stock, May 30 to Aug 29.₩500M
5/29Aligned GeneticsShare cancellation
5/29CP SystemShare cancellation
5/29MiraeING.Share cancellation
5/29AmendedKorchipTreasury stock disposal
5/29Aligned GeneticsTreasury stock disposal
5/29BITComputerTreasury stock acquisition
5/29S-ChemTreasury stock acquisition
5/29ExemTreasury stock acquisition

Share issues & bonds 22

5/29Bonus issueWooGeneB&GBonus issue of new shares equal to 20% of existing shares.1,155,124 sh
5/29AmendedCBARIBIO HoldingsConversion price ₩3,453; if all converted, equal to 14.7% of shares outstanding.₩25B
5/29CBILConversion price ₩8,467; if all converted, equal to 5.2% of shares outstanding.₩17.2B
5/29AmendedAluxRights offering
5/29UnisonConvertible bond issue
5/29AmendedKakao GamesConvertible bond issue
5/29AmendedKakao GamesRights offering
5/29Nexturn&rollkoreaRights offering
5/29Hansung CleantechConvertible bond issue
5/29AmendedXperixConvertible bond issue
5/29AmendedCellfie GlobalConvertible bond issue
5/29AmendedCellfie GlobalConvertible bond issue
5/29FutureChemBonus issue
5/29PonyLinkConvertible bond issue
5/29AmendedTera ScienceRights offering
5/29AmendedMoadataConvertible bond issue
5/29AmendedAribiolabRights offering
5/29AmendedDavolinkRights offering
5/29AmendedNRoboticsRights offering
5/29AmendedDavolinkRights offering
5/29AmendedTHE CodiRights offering
5/29ApactConvertible bond issue

M&A & spin-offs 8

5/29AmendedSK DiscoveryStake acquisition/disposal
5/29AmendedSaeronautomotive CorporrationMerger
5/29AmendedExion Group CompanyTangible asset deal
5/29AmendedNexturn&rollkoreaTangible asset deal
5/29AmendedQuantumRailStake acquisition/disposal
5/29AmendedSK GASStake acquisition/disposal
5/29AmendedAirraneTangible asset deal
5/29AmendedRN2 TechnologiesStake acquisition/disposal

Exchange actions 8

5/29CG InvitesUnfaithful disclosure
5/29JAS RoboticsUnfaithful disclosure
5/29OPTUS PharmaceuticalUnfaithful disclosure
5/29Telcon RF PharmaceuticalSpin-off / split
5/29FutureChemBonus issue
5/29EMnIExchange inquiry
5/29Dg-ItxExchange
5/29WooGeneB&GBonus issue