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Key filings, August 28, 2026

718 filings · 11 highlights
← August 27, 2026August 31, 2026 →

Supply contracts 31

8/28AmendedNaintech.Worth 69.2% of last year's revenue, over about 42 months.₩61.5B
8/28AmendedInnoxWorth 42% of last year's revenue, over about 8 months.₩11.8B
8/28AmendedAltonWorth 42% of last year's revenue, over about 8 months.₩11.8B
8/28AmendedKangwon EnergyWorth 32.9% of last year's revenue, over about 32 months.₩23.5B
8/28AmendedKangwon EnergyWorth 31.3% of last year's revenue, over about 31 months.₩43.6B
8/28AmendedSK D&DWorth 27% of last year's revenue, over about 40 months.₩123B
8/28AmendedSK DiscoveryWorth 21.1% of last year's revenue, over about 45 months.₩46.2B
8/28Xi S&DWorth 20.3% of last year's revenue.₩282B
8/28AmendedXi S&DWorth 14.8% of last year's revenue.₩234B
8/28Amendedi3systemWorth 13.6% of last year's revenue, over about 20 months.₩16.4B
8/28AmendedNeosemWorth 13.3% of last year's revenue, over about 8 months.₩8.5B
8/28Dong-A PharmaceuticalWorth 13.2% of last year's revenue, over about 10 months.₩13.7B
8/28AmendedParatech CompanyWorth 12.3% of last year's revenue, over about 18 months.₩21.3B
8/28Seoho ElectricWorth 11.8% of last year's revenue, over about 13 months.₩13.7B
8/28AmendedHansung CleantechWorth 11.4% of last year's revenue, over about 13 months.₩22.8B
8/28AmendedDaea TIWorth 11% of last year's revenue, over about 30 months.₩11.6B
8/28AmendedUdmtekWorth 10.7% of last year's revenue, over about 11 months.₩652M
8/28AmendedWoniltniWorth 10.5% of last year's revenue, over about 12 months.₩4.4B
8/28AmendedDong-Ah Geological Engineering CompanyWorth 10.4% of last year's revenue, over about 43 months.₩27.6B
8/28AmendedDong-Ah Geological Engineering CompanyWorth 9.4% of last year's revenue.₩25.1B
8/28Hanwha EngineWorth 9.4% of last year's revenue, over about 37 months.₩129B
8/28AmendedHanshin ConstructionWorth 8% of last year's revenue, over about 60 months.₩125B
8/28AmendedHanshin ConstructionWorth 6.9% of last year's revenue.₩84.6B
8/28AmendedChinhung InternationalWorth 6.8% of last year's revenue, over about 104 months.₩39B
8/28AmendedNeosemWorth 6.3% of last year's revenue, over about 11 months.₩6.7B
8/28AmendedSamil C&SWorth 6.2% of last year's revenue, over about 69 months.₩12.1B
8/28AmendedMiraeWorth 5.3% of last year's revenue, over about 5 months.₩2.7B
8/28AmendedDevelopment Advance SolutionWorth 4.4% of last year's revenue.₩16.5B
8/28AmendedTaeyoung Engineering & ConstructionWorth 3.3% of last year's revenue, over about 40 months.₩129B
8/28Daewoo Engineering & ConstructionWorth 2.6% of last year's revenue, over about 38 months.₩210B
8/28AmendedDevelopment Advance SolutionWorth 1.6% of last year's revenue.₩6B

Insider trades 91

8/28BuyKumho HT10%+ shareholder bought 221,766 sh on the market at an average ₩7,555, Aug 21–27.₩1.7B
8/28BuyDasan Solueta10%+ shareholder bought 289,070 sh on the market at an average ₩1,040, Aug 21–28.₩300.8M
8/28BuyDasan Solueta10%+ shareholder bought 253,292 sh on the market at an average ₩1,039, Aug 21–28.₩263.1M
8/28BuySolumCEO bought 20,000 sh on the market at an average ₩12,822, Aug 25.₩256.4M
8/28BuyKbio LabsAn insider bought 229,123 sh on the market at an average ₩1,002, Aug 25–28.₩229.5M
8/28BuyHumasisAn insider bought 63,789 sh on the market at an average ₩3,124, Aug 26–31.₩199.3M
8/28BuySamsung Electronics Co,President bought 530 sh on the market at an average ₩338,800, Jun 30.₩179.6M
8/28BuyAnapassCEO bought 12,063 sh on the market at an average ₩13,528, Aug 24–28.₩163.2M
8/28BuyDongwon FisheriesCEO bought 23,750 sh on the market at an average ₩6,002, Aug 21.₩142.5M
8/28BuyJooyontechAn insider bought 141,670 sh on the market at an average ₩850, Aug 25–Sep 1.₩120.4M
8/28BuySeAH Steel HoldingsCEO bought 886 sh on the market at an average ₩98,213, Aug 25–26.₩87M
8/28BuySeoulAuctionCo.Ltd..Director bought 8,875 sh on the market at an average ₩5,498, Aug 21–27.₩48.8M
8/28BuyWelcron CompanyAuditor bought 30,000 sh on the market at an average ₩1,031, Aug 25.₩30.9M
8/28BuyStarflexChairman bought 9,384 sh on the market at an average ₩2,461, Aug 25–27.₩23.1M
8/28BuyCuriosisPresident bought 2,000 sh on the market at an average ₩9,700, Aug 25.₩19.4M
8/28BuyiADirector bought 3,175 sh on the market at an average ₩3,305, Aug 24–27.₩10.5M
8/28BuyUnickDirector bought 2,721 sh on the market at an average ₩3,809, Aug 27.₩10.4M
8/28BuyBookook Securities10%+ shareholder bought 136 sh on the market at an average ₩53,800, Aug 25.₩7.3M
8/28BuyHanwha SolutionsAn insider bought 225 sh on the market at an average ₩30,950, Aug 27.₩7M
8/28BuyWISE iTechCEO bought 2,144 sh on the market at an average ₩2,650, Aug 26–28.₩5.7M
8/28BuyObigoCEO bought 1,400 sh on the market at an average ₩3,620, Aug 27.₩5.1M
8/28BuyGenorayExecutive bought 1,400 sh on the market at an average ₩3,185, Aug 25–26.₩4.5M
8/28BuyMeritz Financial GroupPresident bought 16 sh on the market at an average ₩116,662, Aug 25.₩1.9M
8/28BuyMeritz Financial GroupExecutive bought 12 sh on the market at an average ₩116,662, Aug 25.₩1.4M
8/28BuySensorviewAuditor bought 752 sh on the market at an average ₩1,330, Aug 14.₩1M
8/28AmendedOther changeNearthlabCEO's holding rose by 720,000 sh (new report).+720,000 sh
8/28Other changeLotte Tour DevelopmentDirector's holding fell by 1,408,147 sh (other change).-1,408,147 sh
8/28Other changeHanwha Machinery & Service HoldingsCEO's holding rose by 271 sh (new report).+271 sh
8/28Other changeYoosung EnterpriCEO's holding rose by 1,200,000 sh (other change).+1,200,000 sh
8/28Other changeHanwha Machinery & Service HoldingsPresident's holding rose by 4,908,642 sh (new report).+4,908,642 sh
8/28Other changeHanwha Machinery & Service HoldingsAn insider's holding rose by 4,908,642 sh (new report).+4,908,642 sh
8/28Other changeHanwha Machinery & Service HoldingsAn insider's holding rose by 9,968,409 sh (new report).+9,968,409 sh
8/28BuyMuhakOutside director bought 2,000 sh on the market, Aug 27.₩0
8/28Other changeYoosung Enterpri10%+ shareholder's holding fell by 1,200,000 sh (gift).-1,200,000 sh
8/28Other changeHanwha Machinery & Service HoldingsAn insider's holding rose by 12,132,361 sh (new report).+12,132,361 sh
8/28Other changeHanwha Machinery & Service Holdings10%+ shareholder's holding rose by 21,658,239 sh (new report).+21,658,239 sh
8/28Other changeNearthlabPresident's holding rose by 248,940 sh (new report).+248,940 sh
8/28Other changeSeobu T&DAn insider's holding rose by 19,588 sh (other change).+19,588 sh
8/28Other changeNearthlabCEO's holding rose by 720,000 sh (new report).+720,000 sh
8/28Other changeAprilBioDirector's holding fell by 14,000 sh (gift).-14,000 sh
All insider trades →

5% holders 64

8/28New 5%HaechitechA major holder's stake rose from 0.00% to 44.90% (new report).44.90%
8/28AmendedNew 5%NearthlabA major holder's stake rose from 0.00% to 29.71%.29.71%
8/28New 5%FingerA major holder's stake rose from 0.00% to 17.79% (conversion/exercise).17.79%
8/28AptnA major holder's stake fell from 74.45% to 55.17% (conversion/exercise).55.17%
8/28New 5%Hankook Cosmetics ManufacturingA major holder's stake rose from 4.53% to 5.16% (new report).5.16%
8/28Below 5%DentisA major holder's stake fell from 10.09% to 0.00% (conversion/exercise).0.00%
8/28SensorviewA major holder's stake fell from 13.76% to 10.05% (rights offering).10.05%
8/28DBA major holder's stake rose from 43.82% to 47.05% (related-party change).47.05%
8/28ClobotA major holder's stake fell from 16.38% to 13.86% (rights offering).13.86%
8/28Dasan SoluetaA major holder's stake rose from 60.24% to 62.75% (related-party change).62.75%
8/28M eighty-threeA major holder's stake fell from 35.08% to 32.86% (gift).32.86%
8/28Kumho HTA major holder's stake rose from 45.66% to 47.78% (open-market buy).47.78%
8/28LinkedA major holder's stake rose from 30.91% to 32.88% (open-market buy).32.88%
8/28Dasan DMCA major holder's stake rose from 64.13% to 65.96% (open-market buy).65.96%
8/28JooyontechA major holder's stake rose from 39.56% to 40.58% (open-market buy).40.58%
8/28Kbio LabsA major holder's stake rose from 40.11% to 40.99% (open-market buy).40.99%
8/28IteyesA major holder's stake rose from 50.23% to 51.11% (open-market buy).51.11%
8/28IS DongseoA major holder's stake rose from 55.89% to 56.76%.56.76%
8/28CoAsiaA major holder's stake rose from 19.58% to 20.13% (open-market buy).20.13%
8/28Dongwon FisheriesA major holder's stake rose from 21.76% to 22.27% (related-party change).22.27%
8/28Openedges TechnologyA major holder's stake fell from 14.16% to 13.80% (related-party change).13.80%
8/28SYA major holder's stake rose from 34.72% to 35.05% (pledge).35.05%
8/28Fashion PlatformA major holder's stake rose from 39.36% to 39.66% (open-market sale).39.66%
8/28HumasisA major holder's stake rose from 20.51% to 20.77% (open-market buy).20.77%
8/28EcoeyeA major holder's stake fell from 69.51% to 69.25% (gift).69.25%
8/28The BORN KoreaA major holder's stake fell from 74.53% to 74.28%.74.28%
8/28VoronoiA major holder's stake fell from 40.79% to 40.57% (gift).40.57%
8/28AmendedSmcgA major holder's stake rose from 46.51% to 46.71% (open-market buy).46.71%
8/28AmendedSmcgA major holder's stake rose from 46.38% to 46.51% (open-market buy).46.51%
8/28AprogenA major holder's stake fell from 84.21% to 84.08% (conversion/exercise).84.08%
8/28Medy-ToxA major holder's stake rose from 18.65% to 18.74% (pledge).18.74%
8/28HLB bioStepA major holder's stake rose from 19.83% to 19.91% (open-market buy).19.91%
8/28AmendedSmcgA major holder's stake rose from 46.71% to 46.76% (open-market buy).46.76%
8/28KUK Young G MA major holder's stake fell from 17.14% to 17.09% (open-market buy).17.09%
8/28SolumA major holder's stake rose from 32.98% to 33.02%.33.02%
8/28Sinjin SMA major holder's stake rose from 50.95% to 50.96% (open-market buy).50.96%
8/28CelltrionA major holder's stake fell from 33.13% to 33.12% (stock option).33.12%
8/28ObigoA major holder's stake rose from 34.27% to 34.28%.34.28%
8/28Com2usA major holder's stake rose from 31.44% to 31.44%.31.44%
8/28Outin FuturesA major holder's stake rose from 26.07% to 26.07%.26.07%
All 5% holders →

Buybacks 8

8/28TrustMeritz Financial GroupEnded a share buyback trust contract.₩700B
8/28TrustMeritz Financial GroupSigned a ₩500B trust contract to buy back shares.₩500B
8/28DisposalTplexPlans to dispose of 231,656 sh of treasury stock, Aug 29 to Nov 28.₩640.5M
8/28KPX HoldingsShare cancellation
8/28KPX ChemicalShare cancellation
8/28KPX HoldingsShare cancellation
8/28MNC SolutionBuyback trust contract
8/28Ghost StudioTreasury stock acquisition

Share issues & bonds 24

8/28AmendedRights offeringDeep CommerceIssuing 7,374,852 sh of new shares, equal to 200% of existing shares.₩45.2B
8/28AmendedRights offeringNanocmsIssuing 887,000 sh of new shares, equal to 20.4% of existing shares.₩2B
8/28Rights offeringHLB innoVationIssuing 2,764,127 sh of new shares, equal to 8.7% of existing shares.₩36B
8/28Rights offeringFinoIssuing 2,691,066 sh of new shares, equal to 3.2% of existing shares.₩15B
8/28Rights offeringDaiyang MetalIssuing 1,689,189 sh of new shares, equal to 3% of existing shares.₩2B
8/28Wonik HoldingsRights offering
8/28Samsung C&TRights offering
8/28E-MartCapital reduction
8/28AmendedEdge FoundryConvertible bond issue
8/28AmendedRN2 TechnologiesRights offering
8/28AmendedFantagioRights offering
8/28Satoshi HoldingsRights offering
8/28AmendedSeoul Electronics & TelecomRights offering
8/28AmendedIremRights offering
8/28AmendedFreeTConvertible bond issue
8/28AmendedDavolinkConvertible bond issue
8/28VunoRights offering
8/28AmendedFreeTRights offering
8/28AmendedNexturn&rollkoreaRights offering
8/28Ilwoul GMLRights offering
8/28AmendedIcure Pharmaceutical InRights offering
8/28AmendedMsdiConvertible bond issue
8/28AmendedIcure Pharmaceutical InRights offering
8/28Samsung BiologicsRights offering

M&A & spin-offs 7

8/28CreverA ₩25B deal, equal to 13.9% of total assets.₩25B
8/28AmendedMetalabsMerger
8/28AmendedBitplanetTangible asset deal
8/28AmendedMetalabsMerger
8/28AmendedPNC TechnologiesStake acquisition/disposal
8/28AmendedYoungwireTangible asset deal
8/28AmendedSamsung BiologicsStake acquisition/disposal

Exchange actions 21

8/28SI ResourcesExchange
8/28SI ResourcesTrading halt
8/28InveniaUnfaithful disclosure
8/28SI ResourcesUnfaithful disclosure
8/28KS IndustryAdministrative issue
8/28KS IndustryAdministrative issue
8/28MediaZenAdministrative issue
8/28VesselAdministrative issue
8/28DgenxAdministrative issue
8/28NanoSilikhan Advanced MaterialsTrading halt
8/28Korea Advanced MaterialsTrading halt
8/28The LamyTrading halt
8/28MOA Life PlusTrading halt
8/28Dasan SoluetaSpin-off / split
8/28DukshinepcTrading halt
8/28Dasan DMCSpin-off / split
8/28PhionxExchange inquiry
8/28Blue Industrial DevelopmentInvestment caution
8/28KR MotorsInvestment caution
8/28JooyontechInvestment caution
8/28CJ CGVExchange inquiry