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Key filings, October 23, 2026

408 filings · 12 highlights
← October 22, 2026October 26, 2026 →

Supply contracts 18

10/23GigaVisWorth 89.5% of last year's revenue, over about 14 months.₩46.9B
10/23Samil EnterpriWorth 72.3% of last year's revenue, over about 31 months.₩61.6B
10/23AmendedKSS LineWorth 57% of last year's revenue, over about 120 months.₩132B
10/23AmendedKEPCO Plant Service & EngineeringWorth 44.9% of last year's revenue, over about 160 months.₩452B
10/23AmendedTuksuConstructionWorth 31.7% of last year's revenue, over about 78 months.₩63B
10/23AmendedCnt85Worth 16.6% of last year's revenue, over about 37 months.₩5.3B
10/23AmendedGreen ResourceWorth 16.2% of last year's revenue, over about 30 months.₩2.7B
10/23AmendedKumyang Green PowerWorth 13.5% of last year's revenue, over about 81 months.₩32.3B
10/23AmendedKumyang Green PowerWorth 13.2% of last year's revenue, over about 65 months.₩34.9B
10/23SenkoWorth 12.5% of last year's revenue, over about 20 months.₩4.6B
10/23AmendedHL D&I HallaWorth 9.6% of last year's revenue.₩127B
10/23AmendedSamsung C&TWorth 9.5% of last year's revenue.₩2.88T
10/23Daihan ScientificWorth 6.3% of last year's revenue, over about 4 months.₩5.1B
10/23AmendedDaechang SolutionWorth 5.1% of last year's revenue, over about 14 months.₩3.2B
10/23AmendedHJ Shipbuilding & ConstructionWorth 5% of last year's revenue, over about 41 months.₩89.5B
10/23AmendedWoojin I&SWorth 3.9% of last year's revenue, over about 12 months.₩5.4B
10/23KolonWorth 2.8% of last year's revenue, over about 36 months.₩74.2B
10/23KolonGlobalWorth 2.8% of last year's revenue, over about 36 months.₩74.2B

Preliminary earnings 9

10/23Bukwang Pharmaceutical INDOperating profit ₩2.2B, up 120.7% YoY. Revenue ₩58B, up 21.2% YoY.₩2.2B
10/23Hana Financial GroupOperating profit ₩21.1B, down 67.8% YoY. Revenue ₩4.70T, up 93.7% YoY.₩21.1B
10/23Woori Financial GroupOperating profit ₩1.42T, up 43.6% YoY. Revenue ₩13.30T, up 66.2% YoY.₩1.42T
10/23Woori Financial GroupOperating profit ₩1.36T, up 42.6% YoY. Revenue ₩10.93T, up 115.8% YoY.₩1.36T
10/23Hansol IONESOperating profit ₩12.4B, up 32% YoY. Revenue ₩65B, up 26.9% YoY.₩12.4B
10/23Hansol TechnicsOperating profit ₩14.8B, down 16% YoY. Revenue ₩346B, up 4.3% YoY.₩14.8B
10/23Hana Financial GroupOperating profit ₩1.54T, up 13.6% YoY. Revenue ₩13.69T, up 102.3% YoY.₩1.54T
10/23Hana Financial GroupOperating profit ₩1.63T, up 10.4% YoY. Revenue ₩20.00T, up 83.6% YoY.₩1.63T
10/23MecaroPreliminary operating results

Insider trades 62

10/23BuyAgabang&companyAn insider bought 783,234 sh on the market at an average ₩5,254, Oct 19–23.₩4.1B
10/23BuyGaeasoft10%+ shareholder bought 120,100 sh on the market at an average ₩14,092, Oct 16–23.₩1.7B
10/23BuyTplexCEO bought 155,510 sh on the market at an average ₩2,571, Oct 16–22.₩399.9M
10/23BuyHandsome10%+ shareholder bought 19,500 sh on the market at an average ₩20,036, Oct 21–26.₩390.7M
10/23BuySamsung Electronics Co,Executive bought 1,597 sh on the market at an average ₩207,647, Oct 23.₩331.6M
10/23BuyInzisoftCEO bought 14,000 sh on the market at an average ₩18,304, Oct 19–20.₩256.3M
10/23BuyIron DeviceCEO bought 125,000 sh on the market at an average ₩1,769, Oct 20–27.₩221.2M
10/23BuySeoulAuctionCo.Ltd..Director bought 33,000 sh on the market at an average ₩5,281, Oct 19–22.₩174.3M
10/23BuyMeatBox GlobalCEO bought 70,163 sh on the market at an average ₩2,429, Oct 16–23.₩170.5M
10/23BuyKt&gExecutive bought 700 sh on the market at an average ₩193,300, Oct 22.₩135.3M
10/23SaleDaeduck ElectronicsCEO sold 664 sh on the market at an average ₩133,000, Oct 23.₩88.3M
10/23BuyXcell TherapeuticsExecutive bought 60,382 sh on the market at an average ₩1,130, Oct 20.₩68.2M
10/23BuyClean & ScienceDirector bought 20,000 sh on the market at an average ₩3,190, Oct 19.₩63.8M
10/23BuyNBTExecutive bought 15,375 sh on the market at an average ₩1,503, Oct 14–19.₩23.1M
10/23BuyRznomicsDirector bought 1,000 sh on the market at an average ₩20,600, Oct 19.₩20.6M
10/23BuyRznomicsPresident bought 1,000 sh on the market at an average ₩20,400, Oct 19.₩20.4M
10/23SaleMirae Asset Venture Investment10%+ shareholder sold 1,500 sh on the market at an average ₩13,400, Oct 19.₩20.1M
10/23BuySC EngineeringDirector bought 13,133 sh on the market at an average ₩997, Oct 21.₩13.1M
10/23BuynTelsCEO bought 5,000 sh on the market at an average ₩2,251, Oct 7–21.₩11.3M
10/23BuyPosco Future MExecutive bought 58 sh on the market at an average ₩183,240, Sep 7–Oct 22.₩10.6M
10/23BuyDaehanPharmaceuticalChairman bought 414 sh on the market at an average ₩25,360, Oct 21–23.₩10.5M
10/23BuyUnickCEO bought 2,615 sh on the market at an average ₩3,896, Oct 19.₩10.2M
10/23BuynTelsAn insider bought 2,000 sh on the market at an average ₩2,419, Oct 1–22.₩4.8M
10/23BuyGFC Life ScienceCEO bought 744 sh on the market at an average ₩4,771, Oct 21–23.₩3.5M
10/23BuyiADirector bought 510 sh on the market at an average ₩3,559, Oct 19.₩1.8M
10/23BuyOntideAn insider bought 1,834,605 sh on the market, Oct 13–23.₩0
10/23Other changeSamsung Biologics10%+ shareholder's holding rose by 782,818 sh (other change).+782,818 sh
10/23Other changeSamsung Biologics10%+ shareholder's holding rose by 567,503 sh (other change).+567,503 sh
10/23Other changeFaduExecutive's holding rose by 3,200 sh (stock option).+3,200 sh
10/23Other changeHVMDirector's holding rose by 2,000 sh (stock option).+2,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 4,222 sh (other change).+4,222 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
10/23Other changeKG DongbusteelExecutive's holding rose by 5,000 sh (other change).+5,000 sh
All insider trades →

5% holders 43

10/23New 5%SangsinenergydisplayprecisionA major holder's stake rose from 0.00% to 5.13% (new report).5.13%
10/23New 5%HanJungNCS.A major holder's stake rose from 0.00% to 5.01% (new report).5.01%
10/23New 5%Hanyang DigitechA major holder's stake rose from 4.55% to 5.38%.5.38%
10/23New 5%TFEA major holder's stake rose from 4.88% to 5.07%.5.07%
10/23Below 5%SSRA major holder's stake fell from 6.61% to 0.95%.0.95%
10/23OntideA major holder's stake rose from 51.68% to 56.46%.56.46%
10/23Agabang&companyA major holder's stake rose from 33.73% to 37.00% (open-market buy).37.00%
10/23Dongil MetalA major holder's stake rose from 59.81% to 62.56% (gift).62.56%
10/23JindoA major holder's stake rose from 50.61% to 52.28% (open-market buy).52.28%
10/23KoreaAlcoholIndustrialA major holder's stake rose from 14.19% to 15.74%.15.74%
10/23The Pinkfong CompanyA major holder's stake rose from 36.35% to 37.48%.37.48%
10/23RingNetA major holder's stake rose from 31.08% to 32.11%.32.11%
10/23Samik PharmA major holder's stake fell from 60.27% to 59.44% (stock option).59.44%
10/23TplexA major holder's stake rose from 31.10% to 31.74% (open-market buy).31.74%
10/23AprogenA major holder's stake rose from 84.98% to 85.61% (conversion/exercise).85.61%
10/23Nexturn&rollkoreaA major holder's stake rose from 20.26% to 20.76%.20.76%
10/23TiumBioA major holder's stake rose from 30.91% to 31.17% (pledge).31.17%
10/23Polaris AIA major holder's stake fell from 41.57% to 41.45%.41.45%
10/23KG DongbusteelA major holder's stake rose from 45.26% to 45.36% (related-party change).45.36%
10/23HandsomeA major holder's stake rose from 43.19% to 43.28% (open-market buy).43.28%
10/23AJ NetworksA major holder's stake rose from 55.95% to 56.00% (open-market buy).56.00%
10/23Bookook SecuritiesA major holder's stake rose from 35.41% to 35.43% (related-party change).35.43%
10/23GFC Life ScienceA major holder's stake rose from 37.64% to 37.66%.37.66%
10/23Samsung Electronics Co,A major holder's stake rose from 19.69% to 19.69%.19.69%
10/23Polaris UNOA major holder's stake rose from 51.84% to 51.84% (conversion/exercise).51.84%
10/23Samsung Life InsuranceA major holder's stake rose from 43.56% to 43.56%.43.56%
10/23Lotte Tour DevelopmentA major holder's stake rose from 50.80% to 50.80% (pledge).50.80%
10/23AmendedAstaA major holder's stake rose from 31.97% to 31.97%.31.97%
10/23SKA major holder's stake rose from 25.65% to 25.65%.25.65%
10/23Wooshin SystemsA major holder's stake rose from 36.69% to 36.69% (pledge).36.69%
10/23N2techA major holder's stake rose from 46.02% to 46.02% (share lending).46.02%
10/23The LEADA major holder's stake rose from 42.58% to 42.58% (pledge).42.58%
10/23Daeduck ElectronicsA major holder's stake rose from 30.81% to 30.81% (related-party change).30.81%
10/23Keeps BiopharmaA major holder's stake rose from 22.81% to 22.81% (pledge).22.81%
10/23SYA major holder's stake rose from 35.05% to 35.05% (share lending).35.05%
10/23Shinsung E&GA major holder's stake rose from 21.07% to 21.07% (pledge).21.07%
10/23LVMC Holdings CO,.A major holder's stake rose from 46.79% to 46.79% (pledge).46.79%
10/23Intellian TechnologiesA major holder's stake rose from 22.90% to 22.90% (pledge).22.90%
10/23Kyochon Food&beverageA major holder's stake rose from 69.52% to 69.52% (related-party change).69.52%
10/23Seah HoldingsA major holder's stake rose from 77.69% to 77.69% (share lending).77.69%
All 5% holders →

Buybacks 9

10/23BuybackHana Financial GroupPlans to buy back 2,085,070 sh of treasury stock, Oct 26 to Jan 25.₩250B
10/23BuybackLabGenomics.Plans to buy back 613,496 sh of treasury stock, Oct 26 to Jan 22.₩1B
10/23TrustPanentertainmentEnded a share buyback trust contract.₩1B
10/23CyberOneShare cancellation
10/23Industrial Bank of KoreaShare cancellation
10/23Woori Financial GroupShare cancellation
10/23Hana Financial GroupShare cancellation
10/23CitechShare cancellation
10/23AmendedHandsomeShare cancellation

Share issues & bonds 9

10/23AmendedRights offeringKS IndustryIssuing 4,170,141 sh of new shares, equal to 27.8% of existing shares.₩5B
10/23Rights offeringHansol IONESIssuing 6,579,000 sh of new shares, equal to 23.4% of existing shares.₩60B
10/23Rights offeringNoulIssuing 1,100,000 sh of new shares, equal to 10.7% of existing shares.₩2.8B
10/23CBKukjeonConversion price ₩2,696; if all converted, equal to 10.5% of shares outstanding.₩17B
10/23AmendedCBVina TechConversion price ₩83,102; if all converted, equal to 4.6% of shares outstanding.₩29B
10/23Hansol HoldingsRights offering
10/23Hansol TechnicsRights offering
10/23AmendedMoadataRights offering
10/23AmendedGeneOne Life ScienceRights offering

M&A & spin-offs 10

10/23Day1 CompanyA ₩14.2B deal, equal to 17.4% of total assets.₩14.2B
10/23AmendedSenkoTangible asset deal
10/23AscendioMerger
10/23AmendedSTrafficBusiness transfer
10/23AmendedPiece Peace StudioMerger
10/23AmendedPiece Peace StudioMerger
10/23AmendedJoosungMerger
10/23AmendedJoosungMerger
10/23AmendedWoosungMerger
10/23AmendedWoosungMerger

Exchange actions 14

10/23QuantumRailTrading halt
10/23Barunson Entertainment & ArtsTrading halt
10/23Barunson Entertainment & ArtsExchange
10/23SLSBio(Specialty Lab Solution Bio)Trading halt
10/23Hydro LithiumExchange
10/23SLSBio(Specialty Lab Solution Bio)Exchange
10/23i-Scream EduTrading halt
10/23TKG AikangTrading halt
10/23Nuin TEKTrading halt
10/23Hyungji GlobalTrading halt
10/23Nuin TEKExchange
10/23Hyungji GlobalExchange
10/23KTExchange inquiry
10/23Hansung EnterpriAdministrative issue