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Key filings, April 29, 2026

595 filings · 10 highlights
← April 28, 2026April 30, 2026 →
EarningsSwung to lossHybeKOSPI
Operating profit
-₩197B
Same quarter last year
₩21.6B

Operating profit: swung to loss (₩21.6B → -₩197B). Revenue ₩698B, up 39.5% YoY.

Q1 2026 · Separate
Company filings →Original (Korean) ↗

Supply contracts 25

4/29AmendedNexusWorth 348.7% of last year's revenue, over about 24 months.₩19B
4/29AmendedNexusWorth 276.8% of last year's revenue, over about 36 months.₩20.9B
4/29AmendedSamil EnterpriWorth 71.6% of last year's revenue, over about 121 months.₩46.5B
4/29AmendedHDC HoldingsWorth 50.8% of last year's revenue.₩1.42T
4/29AmendedIpark Hyundai Development CompanyWorth 50.8% of last year's revenue.₩1.42T
4/29AmendedCamus Engineering & ConstructionWorth 35.4% of last year's revenue, over about 23 months.₩98.6B
4/29HD-Hyundai Marine EngineWorth 26.5% of last year's revenue, over about 40 months.₩107B
4/29Doosan Fuel CellWorth 13.4% of last year's revenue, over about 15 months.₩60.8B
4/29AmendedHJ Shipbuilding & ConstructionWorth 13.2% of last year's revenue, over about 42 months.₩236B
4/29AmendedNauroboticsWorth 11.6% of last year's revenue, over about 16 months.₩1.4B
4/29AmendedSeAH Steel HoldingsWorth 11.5% of last year's revenue, over about 48 months.₩172B
4/29AmendedSeAH SteelWorth 11.5% of last year's revenue, over about 48 months.₩172B
4/29Doosan Fuel CellWorth 10.8% of last year's revenue, over about 253 months.₩49.1B
4/29AmendedDong-Ah Geological Engineering CompanyWorth 9% of last year's revenue, over about 93 months.₩28.3B
4/29MiraeWorth 7.5% of last year's revenue, over about 6 months.₩3.8B
4/29AmendedEdge FoundryWorth 7.2% of last year's revenue, over about 50 months.₩2.7B
4/29LSWorth 6.4% of last year's revenue, over about 11 months.₩319B
4/29LS ElectricWorth 6.4% of last year's revenue, over about 11 months.₩319B
4/29AmendedHyundai Engineering & ConstructionWorth 6.4% of last year's revenue.₩1.07T
4/29AmendedKorea Aerospace IndustriesWorth 4.5% of last year's revenue, over about 68 months.₩141B
4/29AmendedHyundai-RotemWorth 4.1% of last year's revenue, over about 63 months.₩114B
4/29Studio MirSingle sales/supply contract
4/29STXSupply contract terminated
4/29AmendedDL HoldingsSupply contract terminated
4/29AmendedDL E&CSupply contract terminated

Preliminary earnings 41

4/29Swung to lossHybeOperating profit: swung to loss (₩21.6B → -₩197B). Revenue ₩698B, up 39.5% YoY.-₩197B
4/29Swung to profitKorea Petro Chemical INDOperating profit: swung to profit (-₩9.9B → ₩73.6B). Revenue ₩847B, up 14.2% YoY.₩73.6B
4/29Swung to profitDaeduck ElectronicsOperating profit: swung to profit (-₩6.2B → ₩51.3B). Revenue ₩346B, up 60.8% YoY.₩51.3B
4/29Swung to profitHD Hyundai Energy SolutionsOperating profit: swung to profit (-₩3B → ₩29B). Revenue ₩160B, up 87.6% YoY.₩29B
4/29Swung to profitEcopro MaterialsOperating profit: swung to profit (-₩14.8B → ₩15.7B). Revenue ₩167B, up 22.4% YoY.₩15.7B
4/29Swung to profitByuksanOperating profit: swung to profit (-₩393M → ₩3.5B). Revenue ₩93.2B, down 0.4% YoY.₩3.5B
4/29Swung to lossSatrecInitiativeOperating profit: swung to loss (₩1.7B → -₩2B). Revenue ₩37.2B, down 7.1% YoY.-₩2B
4/29Swung to profitHanall BiopharmaOperating profit: swung to profit (-₩394M → ₩839M). Revenue ₩40B, up 10.7% YoY.₩839M
4/29Swung to lossPlayDOperating profit: swung to loss (₩46M → -₩98M). Revenue ₩9B, up 17.5% YoY.-₩98M
4/29PlayDOperating profit ₩822M, up 1687% YoY. Revenue ₩7.5B, down 1.8% YoY.₩822M
4/29EcoproOperating profit ₩60.2B, up 4279.5% YoY. Revenue ₩822B, up 1.9% YoY.₩60.2B
4/29Ecopro BMOperating profit ₩20.9B, up 822.6% YoY. Revenue ₩605B, down 3.9% YoY.₩20.9B
4/29BCnCOperating profit ₩841M, up 595% YoY. Revenue ₩23B, up 23.8% YoY.₩841M
4/29Kyongbo PharmaceuticalOperating profit ₩713M, up 489.3% YoY. Revenue ₩66.1B, up 9.1% YoY.₩713M
4/29Taihan Cable & SolutionOperating profit ₩60.4B, up 122.9% YoY. Revenue ₩1.08T, up 26.6% YoY.₩60.4B
4/29Daehan SteelOperating profit ₩64M, down 96.6% YoY. Revenue ₩306B, up 5.5% YoY.₩64M
4/29BolakOperating profit ₩557M, up 82.6% YoY. Revenue ₩11.2B, down 14.1% YoY.₩557M
4/29HCTOperating profit ₩405M, down 71.8% YoY. Revenue ₩24.7B, down 3.7% YoY.₩405M
4/29DoosanOperating profit ₩341B, up 71.7% YoY. Revenue ₩5.06T, up 17.7% YoY.₩341B
4/29SeAH Besteel HoldingsOperating profit ₩30.7B, up 69.8% YoY. Revenue ₩968B, up 7.5% YoY.₩30.7B
4/29KG DongbusteelOperating profit ₩21.5B, down 67% YoY. Revenue ₩805B, down 0.9% YoY.₩21.5B
4/29KG DongbusteelOperating profit ₩21.8B, down 64.6% YoY. Revenue ₩723B, down 4.1% YoY.₩21.8B
4/29Doosan EnerbilityOperating profit ₩234B, up 63.9% YoY. Revenue ₩4.26T, up 13.7% YoY.₩234B
4/29Agabang&companyOperating profit ₩2.1B, up 57.7% YoY. Revenue ₩48.5B, up 9.2% YoY.₩2.1B
4/29Hanwha VisionOperating profit ₩22.1B, down 55.3% YoY. Revenue ₩441B, down 2.3% YoY.₩22.1B
4/29Ecopro HNOperating profit ₩5B, up 47.7% YoY. Revenue ₩34.7B, up 0.7% YoY.₩5B
4/29Aurora WorldOperating profit ₩14.2B, up 45.9% YoY. Revenue ₩97.5B, up 22.2% YoY.₩14.2B
4/29Chong Kun Dang PharmaceuticalOperating profit ₩17.6B, up 36.9% YoY. Revenue ₩448B, up 12.2% YoY.₩17.6B
4/29Nexen TireOperating profit ₩54.2B, up 33.1% YoY. Revenue ₩838B, up 8.7% YoY.₩54.2B
4/29AmendedLG ElectronicsOperating profit ₩1.67T, up 32.9% YoY. Revenue ₩23.73T, up 4.3% YoY.₩1.67T
4/29HyundaiOperating profit ₩46.1B, up 24.9% YoY. Revenue ₩2.07T, up 11.6% YoY.₩46.1B
4/29Pond GroupOperating profit ₩17.2B, up 19.1% YoY. Revenue ₩117B, up 9.9% YoY.₩17.2B
4/29Daehan ShipbuildingOperating profit ₩82.6B, up 18.5% YoY. Revenue ₩308B, up 0.2% YoY.₩82.6B
4/29HL MandoOperating profit ₩93.6B, up 18.2% YoY. Revenue ₩2.31T, up 1.8% YoY.₩93.6B
4/29AmorepacificOperating profit ₩127B, up 7.6% YoY. Revenue ₩1.14T, up 6.4% YoY.₩127B
4/29AMOREPACIFIC HoldingsOperating profit ₩138B, up 6.9% YoY. Revenue ₩1.22T, up 5% YoY.₩138B
4/29LX InternationalOperating profit ₩109B, down 6.8% YoY. Revenue ₩4.21T, up 4% YoY.₩109B
4/29JVMOperating profit ₩9.3B, up 4.8% YoY. Revenue ₩45.5B, up 6.2% YoY.₩9.3B
4/29HS HyosungOperating profit ₩12.5B, up 3.8% YoY. Revenue ₩367B, down 0.7% YoY.₩12.5B
4/29Samsung C&TOperating profit ₩720B, down 0.6% YoY. Revenue ₩10.47T, up 7.5% YoY.₩720B
All preliminary earnings →

Insider trades 148

4/29Samsung SDSInsider ownership report
4/29Sungho ElectronicsInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Meritz Financial GroupInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29LaseroptekInsider ownership report
4/29S2wInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Creas F&CInsider ownership report
4/29Great Rich TechnologiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Creas F&CInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Hotel ShillaInsider ownership report
4/29Creas F&CInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Meritz Financial GroupInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Samsung SDSInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Korea SteelInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Korea SteelInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29AmogreentechInsider ownership report
4/29Korea SteelInsider ownership report
4/29Mirae Asset SecuritiesInsider ownership report
4/29Korea SteelInsider ownership report
4/29Korea SteelInsider ownership report
4/29Korea SteelInsider ownership report
All insider trades →

5% holders 38

4/29TKG AikangA major holder's stake rose from 47.53% to 68.96%.68.96%
4/29New 5%Nexa DynamicsA major holder's stake rose from 0.00% to 9.37% (conversion/exercise).9.37%
4/29New 5%GMI VentureA major holder's stake rose from 0.00% to 8.94%.8.94%
4/29New 5%Nexa DynamicsA major holder's stake rose from 0.00% to 8.29% (conversion/exercise).8.29%
4/29MegatouchA major holder's stake fell from 57.05% to 40.69% (rights offering).40.69%
4/29New 5%GlobalStandardTechnologyA major holder's stake rose from 0.00% to 5.26%.5.26%
4/29AmendedAce TechnologiesA major holder's stake fell from 64.44% to 50.05%.50.05%
4/29MegatouchA major holder's stake rose from 20.00% to 28.57% (rights offering).28.57%
4/29Hanjoo ARTA major holder's stake fell from 23.99% to 17.70%.17.70%
4/29Great Rich TechnologiesA major holder's stake fell from 51.01% to 45.74%.45.74%
4/29LaseroptekA major holder's stake fell from 14.46% to 10.64% (conversion/exercise).10.64%
4/29Below 5%Fasoo AIA major holder's stake fell from 6.29% to 2.96%.2.96%
4/29Iljin ElectricA major holder's stake fell from 48.60% to 46.07% (conversion/exercise).46.07%
4/29Daesung Hi-TechA major holder's stake fell from 11.25% to 9.50% (open-market sale).9.50%
4/29Jeongmoon InformationA major holder's stake rose from 42.88% to 44.23% (open-market buy).44.23%
4/29AmendedPIEA major holder's stake fell from 45.47% to 44.17% (related-party change).44.17%
4/29LK ChemA major holder's stake fell from 57.36% to 56.68% (stock option).56.68%
4/29Creas F&CA major holder's stake rose from 40.79% to 41.27% (related-party change).41.27%
4/29FSNA major holder's stake fell from 28.79% to 28.46% (pledge).28.46%
4/29ISU Specialty ChemicalA major holder's stake fell from 35.48% to 35.33% (conversion/exercise).35.33%
4/29Dongwon FisheriesA major holder's stake rose from 20.11% to 20.26%.20.26%
4/29Hy-LokA major holder's stake fell from 39.86% to 39.73% (related-party change).39.73%
4/29LskairobotA major holder's stake fell from 39.33% to 39.21% (related-party change).39.21%
4/29Fine M-TecA major holder's stake fell from 27.45% to 27.33% (pledge).27.33%
4/29SGA major holder's stake fell from 17.86% to 17.80%.17.80%
4/29FingerA major holder's stake rose from 29.41% to 29.47% (related-party change).29.47%
4/29NeoriginA major holder's stake fell from 52.75% to 52.72%.52.72%
4/29SeegeneA major holder's stake rose from 28.78% to 28.80% (related-party change).28.80%
4/29KolonGlobalA major holder's stake fell from 82.35% to 82.34% (related-party change).82.34%
4/29PIEA major holder's stake rose from 44.17% to 44.17% (related-party change).44.17%
4/29Woori Technology InvestmentA major holder's stake rose from 30.91% to 30.91% (pledge).30.91%
4/29B2EnA major holder's stake rose from 21.26% to 21.26% (related-party change).21.26%
4/29RemedA major holder's stake rose from 36.12% to 36.12% (pledge).36.12%
4/29AmendedSamryoongA major holder's stake rose from 79.97% to 79.97% (pledge).79.97%
4/29AmendedAce TechnologiesReport of 5%+ holding
4/29Finger StoryA major holder's stake rose from 44.40% to 44.40% (share consolidation/split).44.40%
4/29The LEADA major holder's stake rose from 40.72% to 40.72% (pledge).40.72%
4/29Ace TechnologiesReport of 5%+ holding

Buybacks 10

4/29DisposalHanall BiopharmaPlans to dispose of 66,004 sh of treasury stock, Apr 29 to May 15.₩1.8B
4/29DisposalAmorepacificPlans to dispose of 11,119 sh of treasury stock, May 4 to May 4.₩1.7B
4/29DisposalEugeneTechnologyPlans to dispose of 3,500 sh of treasury stock, Apr 30 to May 29.₩497M
4/29DisposalICHPlans to dispose of 351,283 sh of treasury stock, Apr 30 to Jun 30.₩417M
4/29DisposalSKNetworksCompanyPlans to dispose of 21,353 sh of treasury stock, Apr 29 to Apr 29.₩120.4M
4/29DisposalAMOREPACIFIC HoldingsPlans to dispose of 1,095 sh of treasury stock, May 4 to May 4.₩33.6M
4/29RaonSecureShare cancellation
4/29Hanyang SecuritiesShare cancellation
4/29AMOREPACIFIC HoldingsTreasury stock disposal
4/29Woojin I&STreasury stock disposal

Share issues & bonds 31

4/29AmendedCBCelemicsConversion price ₩8,324; if all converted, equal to 17.8% of shares outstanding.₩14.7B
4/29CBOrganoidsciencesConversion price ₩23,528; if all converted, equal to 13.4% of shares outstanding.₩24B
4/29AmendedCBTHE E&MConversion price ₩2,268; if all converted, equal to 10.8% of shares outstanding.₩10B
4/29AmendedCBSang-A FrontecConversion price ₩28,876; if all converted, equal to 9.1% of shares outstanding.₩45B
4/29Rights offeringCrowdWorksIssuing 297,265 sh of new shares, equal to 1.9% of existing shares.₩1000M
4/29AmendedRights offeringAptocromIssuing 4,092,770 sh of new shares, equal to 1.9% of existing shares.₩12B
4/29CBGemVax & KAELConversion price ₩26,178; if all converted, equal to 0.8% of shares outstanding.₩8.9B
4/29CBGemVax & KAELConversion price ₩26,178; if all converted, equal to 0.6% of shares outstanding.₩7.4B
4/29SecuLetterRights offering
4/29WOOREE E&L HaroutineCapital reduction
4/29Solus Advanced MaterialsRights offering
4/29AmendedAprogenRights offering
4/29SK ie technologyRights offering
4/29Hanwha VisionRights offering
4/29AmendedSamsung C&TCapital reduction
4/29AmendedExion Group CompanyRights offering
4/29AmendedCarryRights offering
4/29AmendedDongsung PharmaceuticalCapital reduction
4/29AmendedWoosung MaterialsBond with warrants issue
4/29AmendedMoadataConvertible bond issue
4/29AmendedWoosung MaterialsRights offering
4/29AmendedWoosung MaterialsRights offering
4/29AmendedWoosung MaterialsRights offering
4/29AmendedWoosung MaterialsRights offering
4/29AmendedU.i.displayRights offering
4/29AmendedKEM TechRights offering
4/29AmendedSecuLetterRights offering
4/29AmendedKoasConvertible bond issue
4/29AmendedGeneOne Life ScienceCapital reduction
4/29AmendedGeneOne Life ScienceConvertible bond issue
4/29AmendedKEM TechRights offering

M&A & spin-offs 12

4/29AmendedIMTA ₩9.1B deal, equal to 13.5% of total assets.₩9.1B
4/29CJ ENMMerger
4/29Studio DragonMerger
4/29NauroboticsMerger
4/29AmendedAirraneTangible asset deal
4/29MiMerger
4/29AmendediWINTangible asset deal
4/29AmendedCommaxMerger
4/29AmendedWoori Financial GroupShare exchange
4/29AmendedPNC TechnologiesMerger
4/29Daejin Advanced MaterialsMerger
4/29Sungho ElectronicsMerger

Exchange actions 21

4/29AmendedDH AutoleadExchange
4/29Nuin TEKCapital reduction
4/29Barunson Entertainment & ArtsCapital reduction
4/29Wing YIP Food Holdings GroupSpin-off / split
4/29TS NexgenTrading halt
4/29FantagioCapital reduction
4/29ImagisTrading halt
4/29HanWool & JejuCapital reduction
4/29KPM TechTrading halt
4/29Mgen SolutionsSpin-off / split
4/29ItcenentecTrading halt
4/29HC HomeCenterTrading halt
4/29ValofeTrading halt
4/29Inhwa PrecisionSpin-off / split
4/29HumaxTrading halt
4/29Panstar EnterpriTrading halt
4/29Joyworks&Spin-off / split
4/29Jaeyoung SolutecTrading halt
4/29TS NexgenExchange
4/29AmendedTS NexgenExchange
4/29AmendedTS NexgenExchange