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Key filings, February 26, 2026

981 filings · 11 highlights
← February 25, 2026February 27, 2026 →
EarningsSwung to profitPlateerKOSDAQ
Operating profit
₩1.6B
Same quarter last year
-₩1.2B

Operating profit: swung to profit (-₩1.2B → ₩1.6B). Revenue ₩12.1B, up 73.4% YoY.

Q4 2025 · Separate
Company filings →Original (Korean) ↗

Supply contracts 22

2/26AmendedCamus Engineering & ConstructionWorth 104.9% of last year's revenue, over about 29 months.₩293B
2/26VitzroSys.Worth 98.6% of last year's revenue, over about 20 months.₩25.3B
2/26AmendedSNT HoldingsWorth 33.7% of last year's revenue, over about 35 months.₩109B
2/26AmendedSNTEnergyWorth 33.7% of last year's revenue, over about 35 months.₩109B
2/26AmendedKangwon EnergyWorth 32.9% of last year's revenue, over about 28 months.₩23.5B
2/26AmendedKangwon EnergyWorth 31.3% of last year's revenue, over about 27 months.₩43.6B
2/26AmendedKorea Engineering ConsultantsWorth 25.2% of last year's revenue, over about 29 months.₩71.5B
2/26AmendedToptec CompanyWorth 22.1% of last year's revenue, over about 33 months.₩76.3B
2/26AmendedDkmeWorth 21.5% of last year's revenue.₩31.7B
2/26Woowon DevelopmentWorth 18.6% of last year's revenue, over about 47 months.₩56.3B
2/26AmendedHanWool SemiconductorWorth 15.5% of last year's revenue, over about 6 months.₩1.5B
2/26AmendedIljin ElectricWorth 14.5% of last year's revenue.₩169B
2/26AmendedKinxWorth 12.2% of last year's revenue, over about 39 months.₩16.9B
2/26AmendedGreen PlusWorth 11.8% of last year's revenue, over about 12 months.₩10.3B
2/26AmendedHyosungWorth 8.7% of last year's revenue, over about 91 months.₩372B
2/26AmendedHyosung Heavy IndustriesWorth 8.7% of last year's revenue, over about 91 months.₩372B
2/26Hansung CleantechWorth 7.7% of last year's revenue, over about 20 months.₩11.9B
2/26WoojinWorth 6.3% of last year's revenue, over about 13 months.₩8.8B
2/26HJ Shipbuilding & ConstructionWorth 4.9% of last year's revenue.₩92.2B
2/26AmendedHyundai Engineering & ConstructionWorth 2.9% of last year's revenue, over about 136 months.₩509B
2/26HD Korea Shipbuilding & Offshore EngineeringWorth 2.5% of last year's revenue, over about 31 months.₩368B
2/26HD Hyundai Heavy IndustriesWorth 2.5% of last year's revenue, over about 31 months.₩368B

Preliminary earnings 11

2/26Swung to profitPlateerOperating profit: swung to profit (-₩1.2B → ₩1.6B). Revenue ₩12.1B, up 73.4% YoY.₩1.6B
2/26Silicon 2Operating profit ₩42.5B, up 59.9% YoY. Revenue ₩309B, up 78.2% YoY.₩42.5B
2/26KoreaGasOperating profit ₩474B, down 59.7% YoY. Revenue ₩8.99T, down 9.9% YoY.₩474B
2/26KG ChemicalOperating profit ₩40.1B, down 47.1% YoY. Revenue ₩2.30T, up 5.9% YoY.₩40.1B
2/26WONIK MaterialsOperating profit ₩16.3B, up 29.2% YoY. Revenue ₩86.6B, up 8.9% YoY.₩16.3B
2/26InBodyOperating profit ₩9.5B, up 26.9% YoY. Revenue ₩62.4B, up 13.3% YoY.₩9.5B
2/26Korea Electric PowerOperating profit ₩1.98T, down 18% YoY. Revenue ₩23.69T, up 0.7% YoY.₩1.98T
2/26Cuckoo HomesysOperating profit ₩65.8B, down 16.3% YoY. Revenue ₩265B, down 10.9% YoY.₩65.8B
2/26Hankook Shell OILOperating profit ₩9.5B, up 10.2% YoY. Revenue ₩78.4B, up 2.8% YoY.₩9.5B
2/26Dongjin SemichemOperating profit ₩41.6B, up 0.6% YoY. Revenue ₩309B, up 6.9% YoY.₩41.6B
2/26Loss narrowedTrinity AirwaysOperating profit: loss narrowed (-₩60.9B → -₩56.2B). Revenue ₩524B, up 33.3% YoY.-₩56.2B

Insider trades 38

2/26DkmeInsider ownership report
2/26SmcgInsider ownership report
2/26TYMInsider ownership report
2/26TYMInsider ownership report
2/26Meritz Financial GroupInsider ownership report
2/26KolonGlobalInsider ownership report
2/26Meritz Financial GroupInsider ownership report
2/26KolonGlobalInsider ownership report
2/26Sg&gInsider ownership report
2/26FaduInsider ownership report
2/26HlscienceInsider ownership report
2/26Onconic TherapeuticsInsider ownership report
2/26SuNAMInsider ownership report
2/26OliX PharmaceuticalsInsider ownership report
2/26OliX PharmaceuticalsInsider ownership report
2/26PIEInsider ownership report
2/26PIEInsider ownership report
2/26YoungoneInsider ownership report
2/26PIEInsider ownership report
2/26OliX PharmaceuticalsInsider ownership report
2/26OliX PharmaceuticalsInsider ownership report
2/26DB HiTekInsider ownership report
2/26QurientInsider ownership report
2/26QurientInsider ownership report
2/26Celltrion PharmInsider ownership report
2/26QurientInsider ownership report
2/26Kumho ElectricInsider ownership report
2/26Camus Engineering & ConstructionInsider ownership report
2/26VictekInsider ownership report
2/26Iljin ElectricInsider ownership report
2/26VictekInsider ownership report
2/26DB SecuritiesInsider ownership report
2/26FinetekInsider ownership report
2/26KctechInsider ownership report
2/26SAMYANG NC ChemInsider ownership report
2/26HpspInsider ownership report
2/26Dreamus CompanyInsider ownership report
2/26HLB PanageneInsider ownership report

5% holders 47

2/26New 5%Dt&croA major holder's stake rose from 0.00% to 38.75% (conversion/exercise).38.75%
2/26New 5%GenolutionA major holder's stake rose from 0.00% to 26.21% (new report).26.21%
2/26New 5%DkmeA major holder's stake rose from 0.00% to 22.31%.22.31%
2/26Below 5%GenolutionA major holder's stake fell from 26.17% to 0.00%.0.00%
2/26New 5%Woori Technology, InA major holder's stake rose from 0.00% to 5.09% (new report).5.09%
2/26New 5%EugeneTechnologyA major holder's stake rose from 0.00% to 5.03% (new report).5.03%
2/26New 5%People & TechnologyA major holder's stake rose from 0.00% to 5.02% (new report).5.02%
2/26New 5%JB Financial GroupA major holder's stake rose from 4.97% to 5.17%.5.17%
2/26AmendedAlmacA major holder's stake rose from 27.38% to 36.77%.36.77%
2/26HpspA major holder's stake fell from 29.30% to 20.11%.20.11%
2/26ClassysA major holder's stake fell from 68.13% to 59.69% (open-market sale).59.69%
2/26AmendedClassysA major holder's stake fell from 74.27% to 68.13% (open-market sale).68.13%
2/26Below 5%CK SolutionA major holder's stake fell from 6.52% to 1.87% (open-market sale).1.87%
2/26Below 5%MitechA major holder's stake rose from 0.00% to 4.59%.4.59%
2/26AmendedPIEA major holder's stake fell from 49.25% to 45.30% (related-party change).45.30%
2/26TYMA major holder's stake fell from 34.78% to 30.91% (related-party change).30.91%
2/26AmendediAA major holder's stake rose from 33.80% to 37.52% (conversion/exercise).37.52%
2/26NBR MotionA major holder's stake fell from 9.03% to 5.93% (open-market sale).5.93%
2/26CarryA major holder's stake fell from 7.76% to 5.00% (open-market sale).5.00%
2/26HanmiGlobalA major holder's stake rose from 20.12% to 21.94%.21.94%
2/26BYCA major holder's stake fell from 7.13% to 5.35%.5.35%
2/26Iljin ElectricA major holder's stake fell from 50.15% to 48.60% (conversion/exercise).48.60%
2/26QurientA major holder's stake fell from 20.92% to 19.56%.19.56%
2/26AmendedPIEA major holder's stake fell from 50.26% to 49.25% (related-party change).49.25%
2/26Hana Financial GroupBlackRock's stake rose from 6.10% to 7.11%.7.11%
2/26ElensysA major holder's stake fell from 36.55% to 35.55% (related-party change).35.55%
2/26KctechA major holder's stake fell from 54.54% to 53.93% (pledge).53.93%
2/26WISE iTechA major holder's stake rose from 34.50% to 34.72% (related-party change).34.72%
2/26FinetekA major holder's stake rose from 8.19% to 8.35%.8.35%
2/26VictekA major holder's stake rose from 26.41% to 26.46% (open-market buy).26.46%
2/26KolonGlobalA major holder's stake rose from 82.32% to 82.35% (open-market buy).82.35%
2/26RemedA major holder's stake rose from 35.21% to 35.22% (open-market buy).35.22%
2/26SK biopharmaceuticalsA major holder's stake fell from 64.10% to 64.09% (related-party change).64.09%
2/26Victory ContentsA major holder's stake fell from 12.69% to 12.68% (off-market sale).12.68%
2/26AmendedI-RoboticsA major holder's stake rose from 5.00% to 5.01% (related-party change).5.01%
2/26Namsun AluminiumA major holder's stake rose from 30.00% to 30.00% (share lending).30.00%
2/26AmendedSg&gA major holder's stake rose from 50.54% to 50.54% (related-party change).50.54%
2/26SmcgA major holder's stake rose from 45.71% to 45.71% (stock option).45.71%
2/26CoAsiaA major holder's stake rose from 19.58% to 19.58% (pledge).19.58%
2/26UnitrontechA major holder's stake rose from 40.79% to 40.79% (share lending).40.79%
All 5% holders →

Buybacks 21

2/26DisposalShinpoong PharmaceuticalPlans to dispose of 2,437,310 sh of treasury stock, Feb 27 to Feb 27.₩29.6B
2/26DisposalFine SemitechPlans to dispose of 450,000 sh of treasury stock, Feb 26 to Feb 26.₩17.4B
2/26DisposalDAE HWA PharmPlans to dispose of 715,000 sh of treasury stock, Feb 27 to Feb 27.₩10.8B
2/26DisposalKyobo SecuritiesPlans to dispose of 273,876 sh of treasury stock, Mar 4 to Mar 23.₩2.7B
2/26DisposalCreas F&CPlans to dispose of 598,933 sh of treasury stock, Mar 31 to Apr 24.₩2.5B
2/26AmendedDisposalSungmoon ElectronicsPlans to dispose of 1,100,000 sh of treasury stock, Feb 27 to Feb 27.₩2.3B
2/26DisposalTplexPlans to dispose of 1,018,421 sh of treasury stock, Feb 27 to May 26.₩2.2B
2/26AmendedDisposalBridgetecPlans to dispose of 362,046 sh of treasury stock, Feb 26 to Feb 26.₩2.1B
2/26DisposalSamil PharmaceuticalPlans to dispose of 141,000 sh of treasury stock, Feb 27 to Feb 27.₩1.6B
2/26DisposalYoungLimWon SoftLab.Plans to dispose of 114,163 sh of treasury stock, Feb 27 to Feb 27.₩732.9M
2/26DisposalcooconPlans to dispose of 21,813 sh of treasury stock, Feb 27 to Feb 27.₩732.9M
2/26BuybackH.pioPlans to buy back 204,499 sh of treasury stock, Feb 27 to May 26.₩500M
2/26DisposalTplexPlans to dispose of 138,990 sh of treasury stock, Feb 27 to May 26.₩434.3M
2/26AmendedDisposalHyundai Autoever CorporationPlans to dispose of 866 sh of treasury stock, Feb 27 to Feb 27.₩374.5M
2/26DisposalInBodyPlans to dispose of 3,346 sh of treasury stock, Feb 27 to Mar 5.₩115.4M
2/26STIC InvestmentsShare cancellation
2/26Shinpoong PharmaceuticalShare cancellation
2/26DRB HoldingShare cancellation
2/26Sungmoon ElectronicsShare cancellation
2/26Hyundai PharmaceuticalTreasury stock disposal
2/26Sungmoon ElectronicsTreasury stock disposal

Share issues & bonds 27

2/26Capital reductionAgent AICapital reduction of 95%.95%
2/26AmendedCapital reductionEco VoltCapital reduction of 80%.80%
2/26AmendedCBDt&croConversion price ₩2,473; if all converted, equal to 30.7% of shares outstanding.₩14B
2/26Rights offeringRftechIssuing 8,860,011 sh of new shares, equal to 27.6% of existing shares.₩15B
2/26AmendedBWDt&croExercise price ₩2,473; if all exercised, equal to 15.9% of shares outstanding.₩6B
2/26Capital reductionTY HoldingsCapital reduction of 9.8%.9.8%
2/26Bonus issueHLB TherapeuticsBonus issue of new shares equal to 5% of existing shares.4,197,846 sh
2/26AmendedRights offeringRN2 TechnologiesIssuing 421,940 sh of new shares, equal to 4.5% of existing shares.₩1000M
2/26CBKoramco Life Infra ReitConversion price ₩4,925; if all converted, equal to 3.5% of shares outstanding.₩12B
2/26CBKoramco Life Infra ReitConversion price ₩4,925; if all converted, equal to 2.1% of shares outstanding.₩5B
2/26SeAH Steel HoldingsRights offering
2/26Charm EngineeringRights offering
2/26AmendedKEM TechConvertible bond issue
2/26AmendedDaiyang MetalConvertible bond issue
2/26AmendedNdfosRights offering
2/26AmendedSkonec EntertainmentConvertible bond issue
2/26AmendedMoadataRights offering
2/26AmendedAscendioConvertible bond issue
2/26AmendedAscendioConvertible bond issue
2/26AmendedCarryRights offering
2/26AmendedAscendioConvertible bond issue
2/26AmendedEco VoltCapital reduction
2/26SKCRights offering
2/26AmendedAlpha AIConvertible bond issue
2/26AmendedAlpha AIConvertible bond issue
2/26AmendedPhionxRights offering
2/26AmendedExion Group CompanyConvertible bond issue

M&A & spin-offs 2

2/26Osung Advanced MaterialsA ₩32B deal, equal to 10.8% of total assets.₩32B
2/26AmendedTera ScienceStake acquisition/disposal

Exchange actions 8

2/26Lemon CompanyAdministrative issue
2/26Lemon CompanyAdministrative issue
2/26Alpha AIUnfaithful disclosure
2/26Agent AITrading halt
2/26Samchuly BicycleTrading halt
2/26Alpha AIExchange inquiry
2/26Samchuly BicycleExchange
2/26Dongkuk HoldingsUnfaithful disclosure