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Key filings, August 14, 2026

2,967 filings · 12 highlights
← August 13, 2026August 18, 2026 →
EarningsSwung to lossHCTKOSDAQ
Operating profit
-₩403M
Same quarter last year
₩5B

Operating profit: swung to loss (₩5B → -₩403M). Revenue ₩25.6B, down 12.2% YoY.

Q2 2026 · Separate
Company filings →Original (Korean) ↗

Supply contracts 14

8/14AmendedPentastone ElectronicsWorth 82% of last year's revenue, over about 3 months.₩103B
8/14AmendedSI ResourcesWorth 38.9% of last year's revenue, over about 6 months.₩8.1B
8/14FrtekWorth 22.1% of last year's revenue, over about 3 months.₩5.6B
8/14AmendedTSIWorth 21.6% of last year's revenue, over about 38 months.₩32.1B
8/14AmendedKolonWorth 19.9% of last year's revenue, over about 74 months.₩518B
8/14AmendedKolonGlobalWorth 19.9% of last year's revenue, over about 74 months.₩518B
8/14AmendedKUMHO Engineering & ConstructionWorth 17.9% of last year's revenue, over about 47 months.₩370B
8/14AmendedDong-Ah Geological Engineering CompanyWorth 16.8% of last year's revenue.₩44.7B
8/14Woojin I&SWorth 13.4% of last year's revenue, over about 33 months.₩22B
8/14EXA E&CWorth 10.7% of last year's revenue, over about 22 months.₩19B
8/14VAIV companyWorth 9.9% of last year's revenue, over about 9 months.₩1.9B
8/14SensorviewWorth 6.2% of last year's revenue, over about 28 months.₩1.2B
8/14AmendedSGC E&CWorth 6.1% of last year's revenue, over about 29 months.₩113B
8/14AmendedEcoSimplexSingle sales/supply contract

Preliminary earnings 10

8/14AmendedSwung to profitDS DansukOperating profit: swung to profit (-₩1.3B → ₩6.3B). Revenue ₩310B, up 39.8% YoY.₩6.3B
8/14Swung to lossHCTOperating profit: swung to loss (₩5B → -₩403M). Revenue ₩25.6B, down 12.2% YoY.-₩403M
8/14MIRAE ASSET Life InsuranceOperating profit ₩20.6B, down 68.1% YoY. Revenue ₩3.75T, up 138.5% YoY.₩20.6B
8/14MIRAE ASSET Life InsuranceOperating profit ₩23.6B, down 63.6% YoY. Revenue ₩3.78T, up 133.6% YoY.₩23.6B
8/14Ajin Electronic ComponentsOperating profit ₩1.1B, down 63% YoY. Revenue ₩38.1B, down 6.4% YoY.₩1.1B
8/14Hyundaimarine&fireinsuranceOperating profit ₩505B, up 46.9% YoY. Revenue ₩4.58T, down 6% YoY.₩505B
8/14SKNetworksCompanyOperating profit ₩24.8B, down 42.4% YoY. Revenue ₩1.44T, down 4.7% YoY.₩24.8B
8/14Korean Reinsurance CompanyOperating profit ₩181B, up 33.5% YoY. Revenue ₩1.95T, up 0.2% YoY.₩181B
8/14Seoul Guarantee Insurance CompanyOperating profit ₩86.7B, up 3% YoY. Revenue ₩682B, down 8.7% YoY.₩86.7B
8/14AmendedHL MandoOperating profit ₩107B, up 2.8% YoY. Revenue ₩2.50T, up 3.9% YoY.₩107B

Insider trades 96

8/14BuyKG Chemical10%+ shareholder bought 421,022 sh on the market at an average ₩4,625, Aug 10–11.₩1.9B
8/14BuyKbio LabsAn insider bought 359,096 sh on the market at an average ₩1,088, Aug 11–17.₩390.7M
8/14BuyHumasisAn insider bought 147,542 sh on the market at an average ₩2,621, Aug 12–18.₩386.7M
8/14BuyWise birdsCEO bought 200,000 sh on the market at an average ₩995, Aug 11–12.₩198.9M
8/14BuyUnickCEO bought 42,000 sh on the market at an average ₩3,877, Aug 12–13.₩162.8M
8/14BuyAutechCEO bought 63,765 sh on the market at an average ₩2,336, Aug 12–18.₩149M
8/14BuyDx & VxDirector bought 48,049 sh on the market at an average ₩2,685, Aug 10–14.₩129M
8/14SaleHyundai Motor SecuritiesExecutive sold 12,960 sh on the market at an average ₩8,200, Aug 13.₩106.3M
8/14BuyJoosungPresident bought 50,000 sh on the market at an average ₩1,628, Aug 12.₩81.4M
8/14BuyS-EnergyCEO bought 100,000 sh on the market at an average ₩770, Aug 12.₩77M
8/14BuyWise birdsExecutive bought 70,000 sh on the market at an average ₩998, Aug 11.₩69.9M
8/14BuyClean & ScienceAn insider bought 22,622 sh on the market at an average ₩3,023, Aug 12–13.₩68.4M
8/14BuySoosan INTCEO bought 7,593 sh on the market at an average ₩8,354, Aug 7–18.₩63.4M
8/14BuyKakaoBankAn insider bought 2,500 sh on the market at an average ₩21,750, Aug 11.₩54.4M
8/14SaleNaverAn insider sold 250 sh on the market at an average ₩210,000, Aug 12.₩52.5M
8/14BuyBookook Securities10%+ shareholder bought 800 sh on the market at an average ₩56,567, Aug 12.₩45.3M
8/14BuyWelcron HantecCEO bought 46,068 sh on the market at an average ₩967, Aug 7–19.₩44.6M
8/14BuyKakaoBankAn insider bought 2,000 sh on the market at an average ₩22,000, Aug 14.₩44M
8/14BuyKakaoBankExecutive bought 2,000 sh on the market at an average ₩21,850, Aug 11.₩43.7M
8/14BuyKakaoBankExecutive bought 2,000 sh on the market at an average ₩21,500, Aug 10.₩43M
8/14BuyClean & ScienceDirector bought 12,647 sh on the market at an average ₩3,033, Aug 13–14.₩38.4M
8/14BuySamyoung S&CDirector bought 8,277 sh on the market at an average ₩3,609, Aug 10–12.₩29.9M
8/14BuyKakaoBankExecutive bought 1,300 sh on the market at an average ₩22,100, Aug 14.₩28.7M
8/14BuyKakaoBankExecutive bought 1,300 sh on the market at an average ₩21,435, Aug 10–11.₩27.9M
8/14BuyKakaoBankExecutive bought 1,000 sh on the market at an average ₩22,450, Aug 13.₩22.4M
8/14BuyKakaoBankAn insider bought 1,000 sh on the market at an average ₩22,000, Aug 14.₩22M
8/14BuyKakaoBankExecutive bought 1,000 sh on the market at an average ₩21,900, Aug 14.₩21.9M
8/14BuyKakaoBankExecutive bought 1,000 sh on the market at an average ₩21,800, Aug 12.₩21.8M
8/14BuyKakaoBankAn insider bought 1,000 sh on the market at an average ₩21,410, Aug 10.₩21.4M
8/14BuyiADirector bought 4,425 sh on the market at an average ₩3,594, Aug 7–14.₩15.9M
8/14BuyezCaretechExecutive bought 1,999 sh on the market at an average ₩6,130, Jul 10–13.₩12.3M
8/14BuyWelcron CompanyChairman bought 11,737 sh on the market at an average ₩992, Aug 7–11.₩11.6M
8/14BuyPosco Future MExecutive bought 72 sh on the market at an average ₩148,172, Jun 26–Aug 13.₩10.7M
8/14BuyWise birdsDirector bought 11,000 sh on the market at an average ₩966, Aug 11–13.₩10.6M
8/14BuySFA EngineeringExecutive bought 450 sh on the market at an average ₩22,600, Aug 13.₩10.2M
8/14BuyHNK Machine ToolDirector bought 3,450 sh on the market at an average ₩2,788, Aug 14.₩9.6M
8/14BuyYoungWoo DSPDirector bought 7,945 sh on the market at an average ₩1,039, Aug 10–14.₩8.3M
8/14BuyYoungWoo DSPDirector bought 7,500 sh on the market at an average ₩1,040, Aug 13.₩7.8M
8/14BuyEnbioPresident bought 3,900 sh on the market at an average ₩1,986, Jul 30–Aug 13.₩7.7M
8/14BuyWise birdsDirector bought 4,500 sh on the market at an average ₩1,012, Aug 11.₩4.6M
All insider trades →

5% holders 52

8/14New 5%AscendioA major holder's stake rose from 0.00% to 70.20% (rights offering).70.20%
8/14Below 5%AscendioA major holder's stake fell from 46.30% to 0.00% (share consolidation/split).0.00%
8/14New 5%EMnIA major holder's stake rose from 0.00% to 26.66%.26.66%
8/14New 5%GMI VentureA major holder's stake rose from 0.00% to 6.60%.6.60%
8/14AmendedNew 5%Sungwon Ener TechA major holder's stake rose from 0.00% to 5.50%.5.50%
8/14New 5%KohYoungTechnologyA major holder's stake rose from 0.00% to 5.11% (new report).5.11%
8/14SoftcenA major holder's stake rose from 23.40% to 30.69% (rights offering).30.69%
8/14NGeneBioA major holder's stake rose from 23.48% to 29.66% (off-market sale).29.66%
8/14AmendedJiransecurityA major holder's stake rose from 52.22% to 56.85% (merger).56.85%
8/14GMI VentureA major holder's stake fell from 33.30% to 29.39% (related-party change).29.39%
8/14Below 5%MadupA major holder's stake fell from 7.37% to 4.18%.4.18%
8/14PavonineA major holder's stake fell from 13.02% to 10.61% (share lending).10.61%
8/14MakusA major holder's stake rose from 9.90% to 11.63%.11.63%
8/14KG ChemicalA major holder's stake rose from 54.67% to 56.33%.56.33%
8/14Kbio LabsA major holder's stake rose from 38.05% to 39.44% (open-market buy).39.44%
8/14UnisonA major holder's stake rose from 10.33% to 11.63% (conversion/exercise).11.63%
8/14BiodyneA major holder's stake fell from 43.37% to 42.21% (related-party change).42.21%
8/14AmendedSungwon Ener TechA major holder's stake rose from 5.50% to 6.58%.6.58%
8/14Below 5%Copus KoreaA major holder's stake fell from 5.20% to 4.13% (conversion/exercise).4.13%
8/14CHA AI HealthkareA major holder's stake rose from 70.24% to 71.23%.71.23%
8/14AmendedSungwon Ener TechA major holder's stake rose from 6.58% to 7.57%.7.57%
8/14AmendedJetemaA major holder's stake fell from 29.82% to 28.85% (share lending).28.85%
8/14SKAI worldwideA major holder's stake fell from 28.42% to 27.49%.27.49%
8/14FutureChemA major holder's stake rose from 13.55% to 14.33% (stock option).14.33%
8/14WON TechA major holder's stake rose from 52.27% to 52.91% (open-market buy).52.91%
8/14HumasisA major holder's stake rose from 19.31% to 19.91% (open-market buy).19.91%
8/14Clean & ScienceA major holder's stake rose from 33.44% to 33.98% (open-market buy).33.98%
8/14dotmillA major holder's stake rose from 35.75% to 36.17%.36.17%
8/14EMnIA major holder's stake fell from 27.29% to 27.05%.27.05%
8/14SeersA major holder's stake fell from 30.00% to 29.79% (stock option).29.79%
8/14M2nA major holder's stake rose from 38.11% to 38.29% (open-market buy).38.29%
8/14SigetronicsA major holder's stake fell from 25.49% to 25.38%.25.38%
8/14JetemaA major holder's stake rose from 28.85% to 28.94% (share lending).28.94%
8/14SK eternixA major holder's stake rose from 43.10% to 43.15% (related-party change).43.15%
8/14YoungWoo DSPA major holder's stake rose from 20.00% to 20.04% (open-market buy).20.04%
8/14Posco DX CompanyA major holder's stake fell from 65.39% to 65.38% (related-party change).65.38%
8/14J Steel Company HoldingsA major holder's stake rose from 6.71% to 6.71%.6.71%
8/14SAM Chun Dang PharmA major holder's stake rose from 37.61% to 37.61% (pledge).37.61%
8/14Kangwon EnergyA major holder's stake rose from 47.17% to 47.17% (pledge).47.17%
8/14OscotecA major holder's stake rose from 12.45% to 12.45% (pledge).12.45%
All 5% holders →

Buybacks 14

8/14BuybackSamchuly BicyclePlans to buy back 2,408,000 sh of treasury stock, Aug 18 to Sep 10.₩12B
8/14TrustAsia Paper ManufacturingEnded a share buyback trust contract.₩5B
8/14TrustBistosEnded a share buyback trust contract.₩2B
8/14TrustD&C MediaEnded a share buyback trust contract.₩2B
8/14TrustBistosSigned a ₩1B trust contract to buy back shares.₩1B
8/14DisposalKG ChemicalPlans to dispose of 200,996 sh of treasury stock, Aug 18 to Sep 17.₩906.5M
8/14BuybackYMTPlans to buy back 56,369 sh of treasury stock, Aug 14 to Oct 13.₩500M
8/14DisposalKorchipPlans to dispose of 12,000 sh of treasury stock, Aug 18 to Aug 31.₩245.4M
8/14AmendedBuybackPeople & TechnologyPlans to buy back 3,000 sh of treasury stock, Aug 18 to Nov 13.₩98M
8/14DisposalSKNetworksCompanyPlans to dispose of 4,330 sh of treasury stock, Aug 18 to Aug 21.₩35M
8/14Woori Technology InvestmentShare cancellation
8/14DMSShare cancellation
8/14IS DongseoShare cancellation
8/14People & TechnologyTreasury stock acquisition

Share issues & bonds 12

8/14Rights offeringFinger StoryIssuing 1,405,674 sh of new shares, equal to 32.6% of existing shares.₩5B
8/14AmendedCBSungho ElectronicsConversion price ₩19,114; if all converted, equal to 6% of shares outstanding.₩89.5B
8/14CBVina TechConversion price ₩78,818; if all converted, equal to 3.7% of shares outstanding.₩22B
8/14Rights offeringPoongwon PrecisionIssuing 785,340 sh of new shares, equal to 3.4% of existing shares.₩3B
8/14Rights offeringJi-TechIssuing 1,060,883 sh of new shares, equal to 3.2% of existing shares.₩4.3B
8/14NH All-One REITCapital reduction
8/14AmendedIcure Pharmaceutical InRights offering
8/14AmendedEOFlowRights offering
8/14AmendedKS IndustryCapital reduction
8/14AmendedHanWool & JejuRights offering
8/14AscendioRights offering
8/14MoadataRights offering

M&A & spin-offs 7

8/14Hankuk CarbonMerger
8/14Hankuk CarbonMerger
8/14AmendedArtist CompanyBusiness transfer
8/14Hankuk CarbonMerger
8/14Hankuk CarbonMerger
8/14AmendedCape IndustriesMerger
8/14AmendedPeopleBioTangible asset deal

Exchange actions 25

8/14Kainos MedicineInvestment caution
8/14PclExchange
8/14OlipassExchange
8/14CarryExchange
8/14CarryTrading halt
8/14DawonsysExchange
8/14ItoxiExchange
8/14HiDeepSpin-off / split
8/14AbionExchange
8/14CelestraExchange
8/14AbionExchange
8/14DrtechSpin-off / split
8/14Nice Information & TelecommunicationSpin-off / split
8/14NoulSpin-off / split
8/14Wise birdsSpin-off / split
8/14EOFlowExchange
8/14VesselTrading halt
8/14iWINTrading halt
8/14BellockExchange inquiry
8/14AbionTrading halt
8/14Jeil M&SExchange
8/14STXExchange
8/14Bumyang ConstructionExchange
8/14Kumho ElectricExchange inquiry
8/14Kwang Myung ElectricExchange