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Key filings, May 11, 2026

452 filings · 10 highlights
← May 8, 2026May 12, 2026 →
EarningsSwung to profitS-OilKOSPI
Operating profit
₩1.23T
Same quarter last year
-₩21.5B

Operating profit: swung to profit (-₩21.5B → ₩1.23T). Revenue ₩8.94T, down 0.5% YoY.

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

Supply contracts 7

5/11CMES RoboticsWorth 52.9% of last year's revenue, over about 8 months.₩6.9B
5/11AmendedLS Marine SolutionWorth 13.4% of last year's revenue, over about 12 months.₩17.5B
5/11HyVISION SYSTEM.Worth 11.2% of last year's revenue, over about 10 months.₩19.2B
5/11AmendedNamkwang Engineering & ConstructionWorth 10.8% of last year's revenue, over about 79 months.₩25.8B
5/11AmendedPosco DX CompanyWorth 6.2% of last year's revenue, over about 30 months.₩70.9B
5/11IS DongseoWorth 5.2% of last year's revenue, over about 26 months.₩63.5B
5/11Hanwha OceanWorth 2.8% of last year's revenue, over about 37 months.₩363B

Preliminary earnings 27

5/11Swung to profitS-OilOperating profit: swung to profit (-₩21.5B → ₩1.23T). Revenue ₩8.94T, down 0.5% YoY.₩1.23T
5/11Swung to profitLotte ChemicalOperating profit: swung to profit (-₩127B → ₩73.5B). Revenue ₩4.99T, up 1.8% YoY.₩73.5B
5/11Swung to profitTrinity AirwaysOperating profit: swung to profit (-₩36.7B → ₩19.9B). Revenue ₩612B, up 37% YoY.₩19.9B
5/11Swung to lossDevsistersOperating profit: swung to loss (₩9.4B → -₩17.4B). Revenue ₩58.5B, down 34.4% YoY.-₩17.4B
5/11AmendedSwung to profitSeoul ViosysOperating profit: swung to profit (-₩13.1B → ₩10.4B). Revenue ₩188B, up 11.9% YoY.₩10.4B
5/11Swung to profitL&C BIOOperating profit: swung to profit (-₩433M → ₩6B). Revenue ₩30.3B, up 70.6% YoY.₩6B
5/11Swung to lossAekyung IndustrialOperating profit: swung to loss (₩6B → -₩1.6B). Revenue ₩159B, up 5.1% YoY.-₩1.6B
5/11L&C BIOOperating profit ₩6.5B, up 546.8% YoY. Revenue ₩23.8B, up 63.4% YoY.₩6.5B
5/11GC MediAIOperating profit ₩2.2B, up 421.2% YoY. Revenue ₩49.8B, up 10% YoY.₩2.2B
5/11CLIO CosmeticsOperating profit ₩5.8B, up 404.4% YoY. Revenue ₩78.3B, down 4.8% YoY.₩5.8B
5/11KEPCO Plant Service & EngineeringOperating profit ₩37B, up 374.6% YoY. Revenue ₩352B, up 22.4% YoY.₩37B
5/11Korea Petroleum Industries CompanyOperating profit ₩4.1B, up 335.2% YoY. Revenue ₩171B, up 7.6% YoY.₩4.1B
5/11TYMOperating profit ₩35B, up 131.5% YoY. Revenue ₩290B, up 28.3% YoY.₩35B
5/11Samsung SecuritiesOperating profit ₩610B, up 82.1% YoY. Revenue ₩7.12T, up 117.7% YoY.₩610B
5/11Lotte ShoppingOperating profit ₩253B, up 70.6% YoY. Revenue ₩3.58T, up 3.6% YoY.₩253B
5/11HanssemOperating profit ₩10.1B, up 56.4% YoY. Revenue ₩399B, down 9.9% YoY.₩10.1B
5/11Messe eSangOperating profit ₩5B, up 50.7% YoY. Revenue ₩16.6B, up 25.7% YoY.₩5B
5/11C&C InternationalOperating profit ₩3B, down 46.6% YoY. Revenue ₩70.8B, up 7.4% YoY.₩3B
5/11BMTOperating profit ₩1.8B, down 36.2% YoY. Revenue ₩35.6B, down 2.8% YoY.₩1.8B
5/11NeowizOperating profit ₩7B, down 32% YoY. Revenue ₩101B, up 13.9% YoY.₩7B
5/11SHIFT UP Corporation.Operating profit ₩21.5B, down 18.1% YoY. Revenue ₩47.3B, up 12% YoY.₩21.5B
5/11WONIK QnCOperating profit ₩21.9B, up 14.6% YoY. Revenue ₩256B, up 10.7% YoY.₩21.9B
5/11CmtxOperating profit ₩13.5B, up 7% YoY. Revenue ₩44.1B, up 19.4% YoY.₩13.5B
5/11Loss widenediCRAFTOperating profit: loss widened (-₩1.6B → -₩2.5B). Revenue ₩16.3B, down 59.4% YoY.-₩2.5B
5/11Loss widenediCRAFTOperating profit: loss widened (-₩1.6B → -₩2.3B). Revenue ₩11.3B, down 69.6% YoY.-₩2.3B
5/11Loss narrowedW-Scope Chungju PlantOperating profit: loss narrowed (-₩30.4B → -₩20.5B). Revenue ₩42.9B, up 162.8% YoY.-₩20.5B
5/11Loss narrowedLotte Energy MaterialsOperating profit: loss narrowed (-₩46B → -₩5B). Revenue ₩160B, up 1.1% YoY.-₩5B

Insider trades 69

5/11Samsung C&TInsider ownership report
5/11KTInsider ownership report
5/11KTInsider ownership report
5/11KTInsider ownership report
5/11KTInsider ownership report
5/11SphereInsider ownership report
5/11EcoGlowInsider ownership report
5/11KTInsider ownership report
5/11HC HomeCenterInsider ownership report
5/11HC HomeCenterInsider ownership report
5/11DB HiTekInsider ownership report
5/11HC HomeCenterInsider ownership report
5/11E8Insider ownership report
5/11HC HomeCenterInsider ownership report
5/11FaduInsider ownership report
5/11SungEel HiTechInsider ownership report
5/11AtecInsider ownership report
5/11AprogenInsider ownership report
5/11SungEel HiTechInsider ownership report
5/11WooGeneB&GInsider ownership report
5/11WooGeneB&GInsider ownership report
5/11Mirae Asset SecuritiesInsider ownership report
5/11WooGeneB&GInsider ownership report
5/11SK InnovationInsider ownership report
5/11Mirae Asset SecuritiesInsider ownership report
5/11HLB innoVationInsider ownership report
5/11Park SystemsInsider ownership report
5/11Mirae Asset SecuritiesInsider ownership report
5/11Hyundai MotorInsider ownership report
5/11TInsider ownership report
5/11BellockInsider ownership report
5/11SAMBO IndustrialInsider ownership report
5/11KMInsider ownership report
5/11SSRInsider ownership report
5/11KMInsider ownership report
5/11HLB innoVationInsider ownership report
5/11KMInsider ownership report
5/11HLB innoVationInsider ownership report
5/11KMInsider ownership report
5/11KMInsider ownership report
All insider trades →

5% holders 61

5/11Below 5%KEM TechA major holder's stake fell from 30.04% to 0.00% (conversion/exercise).0.00%
5/11Below 5%FingerA major holder's stake fell from 29.47% to 0.00%.0.00%
5/11New 5%SecuLetterA major holder's stake rose from 0.00% to 13.10% (new report).13.10%
5/11New 5%Taewoong LogisticsA major holder's stake rose from 0.00% to 8.99% (new report).8.99%
5/11New 5%QuantumRailA major holder's stake rose from 0.00% to 8.10% (rights offering).8.10%
5/11New 5%ItcenpnsA major holder's stake rose from 0.00% to 7.67%.7.67%
5/11New 5%Dreamus CompanyA major holder's stake rose from 0.00% to 6.12% (new report).6.12%
5/11New 5%YuhanA major holder's stake rose from 0.00% to 5.03%.5.03%
5/11New 5%Dawon CableA major holder's stake rose from 0.00% to 5.01% (new report).5.01%
5/11New 5%Aurora WorldA major holder's stake rose from 4.67% to 5.47%.5.47%
5/11Below 5%AribiolabA major holder's stake fell from 8.75% to 0.00% (open-market sale).0.00%
5/11Below 5%MoadataA major holder's stake fell from 9.78% to 1.85% (conversion/exercise).1.85%
5/11Below 5%RN2 TechnologiesA major holder's stake fell from 7.78% to 0.00% (off-market sale).0.00%
5/11Dreamus CompanyA major holder's stake fell from 28.29% to 22.17%.22.17%
5/11Below 5%Sungshin CementA major holder's stake fell from 6.05% to 0.72%.0.72%
5/11QuantumRailA major holder's stake rose from 12.70% to 17.65% (rights offering).17.65%
5/11SAMBO IndustrialA major holder's stake rose from 25.15% to 29.81% (rights offering).29.81%
5/11GlobalStandardTechnologyA major holder's stake rose from 5.26% to 9.10%.9.10%
5/11W-Scope Chungju PlantA major holder's stake rose from 6.55% to 10.20% (conversion/exercise).10.20%
5/11KB Star ReitA major holder's stake fell from 9.94% to 6.90% (rights offering).6.90%
5/11SphereA major holder's stake fell from 36.48% to 33.50% (open-market sale).33.50%
5/11Below 5%Daesung Hi-TechA major holder's stake fell from 5.28% to 2.63% (open-market sale).2.63%
5/11KB Balhae Infrastructure FundA major holder's stake fell from 13.53% to 11.76%.11.76%
5/11NHNA major holder's stake rose from 55.73% to 57.25% (stock option).57.25%
5/11LMSA major holder's stake rose from 50.04% to 51.47% (related-party change).51.47%
5/11LFA major holder's stake rose from 5.49% to 6.86%.6.86%
5/11TovisA major holder's stake rose from 5.02% to 6.25%.6.25%
5/11BoosterA major holder's stake rose from 23.33% to 24.46%.24.46%
5/11Below 5%SK InnovationA major holder's stake fell from 5.96% to 4.89%.4.89%
5/11Michang OIL INDA major holder's stake fell from 10.00% to 8.98%.8.98%
5/11BellockA major holder's stake fell from 52.03% to 51.11% (open-market sale).51.11%
5/11SungEel HiTechA major holder's stake fell from 32.63% to 32.11% (off-market sale).32.11%
5/11Below 5%Atlas LinkA major holder's stake rose from 0.28% to 0.65% (related-party change).0.65%
5/11SmecA major holder's stake rose from 12.40% to 12.71% (pledge).12.71%
5/11SSRA major holder's stake rose from 49.03% to 49.25% (open-market buy).49.25%
5/11HLB innoVationA major holder's stake fell from 35.88% to 35.68% (share consolidation/split).35.68%
5/11V-One TechA major holder's stake rose from 47.21% to 47.33% (open-market buy).47.33%
5/11Woorim Power Train SolutionA major holder's stake rose from 55.44% to 55.55% (open-market buy).55.55%
5/11Koramco the ONE ReitA major holder's stake fell from 6.07% to 5.96%.5.96%
5/11KMA major holder's stake rose from 32.19% to 32.29% (open-market buy).32.29%
All 5% holders →

Buybacks 2

5/11BuybackNHNPlans to buy back 431,525 sh of treasury stock, May 12 to Aug 11.₩16.7B
5/11NHNShare cancellation

Share issues & bonds 25

5/11AmendedRights offeringGreat New wave ComingIssuing 1,230,226 sh of new shares, equal to 25.8% of existing shares.₩3.5B
5/11BWICDExercise price ₩6,246; if all exercised, equal to 19.7% of shares outstanding.₩25B
5/11AmendedCBFNC EntertainmentConversion price ₩4,638; if all converted, equal to 16.8% of shares outstanding.₩12B
5/11AmendedCBW-Scope Chungju PlantConversion price ₩14,137; if all converted, equal to 7.5% of shares outstanding.₩36B
5/11CBDaesung Hi-TechConversion price ₩9,688; if all converted, equal to 5.5% of shares outstanding.₩10B
5/11AmendedCBEOFlowConversion price ₩3,000; if all converted, equal to 2.4% of shares outstanding.₩3B
5/11AmendedYuhanRights offering
5/11AmendedCelltrionRights offering
5/11AmendedBlue Industrial DevelopmentRights offering
5/11AmendedMsdiRights offering
5/11AmendedDynamic solutionConvertible bond issue
5/11AmendedBlue Industrial DevelopmentConvertible bond issue
5/11AmendedRF MaterialsRights offering
5/11AmendedBlue Industrial DevelopmentRights offering
5/11OptrontecConvertible bond issue
5/11AmendedDaiyang MetalRights offering
5/11AmendedBlue Industrial DevelopmentRights offering
5/11OptrontecConvertible bond issue
5/11AmendedImmuneOncia TherapeuticsRights offering
5/11AmendedJoongang Advanced MaterialsConvertible bond issue
5/11AmendedBlue Industrial DevelopmentRights offering
5/11AmendedBlue Industrial DevelopmentConvertible bond issue
5/11AmendedBlue Industrial DevelopmentRights offering
5/11Blue Industrial DevelopmentConvertible bond issue
5/11AmendedBlue Industrial DevelopmentConvertible bond issue

M&A & spin-offs 5

5/11AmendedDeokyang EnergenA ₩22.4B deal, equal to 22.2% of total assets.₩22.4B
5/11AmendedHanssemMerger
5/11AmendedLogenMerger
5/11AmendedModa-InnoChipsMerger
5/11AmendedKyobo 16 Special Purpose Acquisition CompanyMerger

Exchange actions 9

5/11Skonec EntertainmentTrading halt
5/11Dg-ItxTrading halt
5/11SaltwareTrading halt
5/11CreoSGTrading halt
5/11UdmtekTrading halt
5/11Kbio LabsTrading halt
5/11Sungwon Ener TechTrading halt
5/11Kolon IndustriesExchange inquiry
5/11Kolon IndustriesExchange inquiry