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Key filings, June 17, 2026

335 filings · 9 highlights
← June 16, 2026June 18, 2026 →

Supply contracts 13

6/17AmendedKorea Electronic Power Industrial DevelopmentWorth 24.1% of last year's revenue, over about 119 months.₩95.2B
6/17AmendedEnertorkWorth 22% of last year's revenue, over about 34 months.₩5.5B
6/17AmendedISU AbxisWorth 19.9% of last year's revenue, over about 204 months.₩695.8M
6/17AmendedSamsung BiologicsWorth 18.4% of last year's revenue, over about 80 months.₩836B
6/17AmendedDongbuWorth 18.2% of last year's revenue, over about 106 months.₩107B
6/17Yuilrobotics.Worth 14.1% of last year's revenue, over about 9 months.₩5.2B
6/17AmendedSTrafficWorth 11.6% of last year's revenue, over about 38 months.₩15.3B
6/17Hansung CleantechWorth 11.1% of last year's revenue, over about 13 months.₩22.2B
6/17WoojinWorth 7.3% of last year's revenue, over about 16 months.₩10.9B
6/17DIWorth 5.2% of last year's revenue, over about 7 months.₩22.3B
6/17KolonWorth 3.9% of last year's revenue.₩103B
6/17KolonGlobalWorth 3.9% of last year's revenue.₩103B
6/17Taihan Cable & SolutionWorth 3.7% of last year's revenue, over about 21 months.₩133B

Insider trades 49

6/17OntideInsider ownership report
6/17Episode CompanyInsider ownership report
6/17Hanil HoldingsInsider ownership report
6/17Samjin PharmaceuticalInsider ownership report
6/17T ScientificInsider ownership report
6/17CXI Healthcare Technology GroupInsider ownership report
6/17GigaVisInsider ownership report
6/17AJU IB InvestmentInsider ownership report
6/17Samsung Electronics Co,Insider ownership report
6/17Air BusanInsider ownership report
6/17SimmtechInsider ownership report
6/17Welcron CompanyInsider ownership report
6/17AutechInsider ownership report
6/17AutechInsider ownership report
6/17Welcron CompanyInsider ownership report
6/17Welcron CompanyInsider ownership report
6/17NeowizInsider ownership report
6/17JNK GlobalInsider ownership report
6/17Bohae BreweryInsider ownership report
6/17INNOX Advanced MaterialsInsider ownership report
6/17Spigen KoreaInsider ownership report
6/17Daehan ShipbuildingInsider ownership report
6/17HCTInsider ownership report
6/17SH Energy & ChemicalInsider ownership report
6/17C&R ResearchInsider ownership report
6/17ThinkwareSystemsInsider ownership report
6/17C&R ResearchInsider ownership report
6/17C&R ResearchInsider ownership report
6/17C&R ResearchInsider ownership report
6/17C&R ResearchInsider ownership report
6/17C&R ResearchInsider ownership report
6/17C&R ResearchInsider ownership report
6/17Shinyoung WacoalInsider ownership report
6/17Pulmuone CorporateInsider ownership report
6/17DAE Dong SteelInsider ownership report
6/17DAE Dong SteelInsider ownership report
6/17HLB GenexInsider ownership report
6/17SPSoftInsider ownership report
6/17Daelim TradingInsider ownership report
6/17Y-BiologicsInsider ownership report
All insider trades →

5% holders 44

6/17New 5%SEMI Total SolutionA major holder's stake rose from 0.00% to 54.83% (new report).54.83%
6/17New 5%DAE Dong SteelA major holder's stake rose from 0.00% to 41.44% (new report).41.44%
6/17Below 5%DAE Dong SteelA major holder's stake fell from 41.44% to 0.00%.0.00%
6/17New 5%HanWool & JejuA major holder's stake rose from 0.00% to 14.64% (new report).14.64%
6/17CXI Healthcare Technology GroupA major holder's stake rose from 22.17% to 46.03% (rights offering).46.03%
6/17AmendedNew 5%SEMI Total SolutionA major holder's stake rose from 0.00% to 7.65%.7.65%
6/17New 5%RS AutomationA major holder's stake rose from 0.00% to 5.77%.5.77%
6/17New 5%EverybotA major holder's stake rose from 0.00% to 5.42%.5.42%
6/17New 5%HanWool & JejuA major holder's stake rose from 0.00% to 5.41% (new report).5.41%
6/17ChunboA major holder's stake fell from 64.04% to 54.20% (conversion/exercise).54.20%
6/17T ScientificA major holder's stake rose from 32.87% to 39.51% (rights offering).39.51%
6/17Below 5%RollingStoneA major holder's stake fell from 5.30% to 0.00% (conversion/exercise).0.00%
6/17AJU IB InvestmentA major holder's stake fell from 54.38% to 51.38%.51.38%
6/17Korea Advanced MaterialsA major holder's stake rose from 12.64% to 15.00% (related-party change).15.00%
6/17OntideA major holder's stake rose from 43.53% to 45.03%.45.03%
6/17DAE Dong SteelA major holder's stake rose from 41.44% to 42.59%.42.59%
6/17Global SM TechA major holder's stake rose from 49.72% to 50.84% (related-party change).50.84%
6/17BGFA major holder's stake fell from 69.72% to 68.65% (related-party change).68.65%
6/17iWINA major holder's stake rose from 29.69% to 30.67% (open-market buy).30.67%
6/17C&R ResearchA major holder's stake fell from 64.10% to 63.27% (share consolidation/split).63.27%
6/17Welcron CompanyA major holder's stake rose from 20.60% to 21.23% (related-party change).21.23%
6/17THE Nature HoldingsA major holder's stake rose from 6.69% to 7.15%.7.15%
6/17AutechA major holder's stake rose from 32.76% to 33.19% (conversion/exercise).33.19%
6/17NH Investment & SecuritiesNational Pension Service's stake fell from 8.36% to 7.94%.7.94%
6/17KB Financial GroupNational Pension Service's stake rose from 8.94% to 9.33%.9.33%
6/17GemVax & KAELA major holder's stake rose from 25.90% to 26.03% (related-party change).26.03%
6/17Daelim TradingA major holder's stake rose from 65.52% to 65.61% (open-market buy).65.61%
6/17JetemaA major holder's stake rose from 29.70% to 29.78% (open-market buy).29.78%
6/17Episode CompanyA major holder's stake rose from 9.91% to 9.96% (open-market buy).9.96%
6/17JNK GlobalA major holder's stake rose from 16.97% to 17.00% (open-market buy).17.00%
6/17Hanil HoldingsA major holder's stake rose from 69.65% to 69.66% (open-market buy).69.66%
6/17EM-Tech.A major holder's stake rose from 14.74% to 14.74% (share lending).14.74%
6/17SK DiscoveryA major holder's stake rose from 56.46% to 56.46% (pledge).56.46%
6/17TOP RUN Total SolutionA major holder's stake rose from 74.13% to 74.13% (pledge).74.13%
6/17Misto HoldingsA major holder's stake rose from 40.69% to 40.69% (pledge).40.69%
6/17ITM SemiconductorA major holder's stake rose from 61.44% to 61.44% (pledge).61.44%
6/17AJ NetworksA major holder's stake rose from 55.89% to 55.89%.55.89%
6/17Hankook & CompanyA major holder's stake rose from 47.25% to 47.25%.47.25%
6/17Kumkang KindA major holder's stake rose from 39.58% to 39.58% (pledge).39.58%
6/17LogenA major holder's stake rose from 67.75% to 67.75% (share lending).67.75%
All 5% holders →

Buybacks 9

6/17AmendedBuybackMirae Asset SecuritiesPlans to buy back 10,989,571 sh of treasury stock, Jun 18 to Sep 17.₩300B
6/17BuybackWISEnutPlans to buy back 1,742,200 sh of treasury stock, Jun 18 to Sep 17.₩10B
6/17BuybackSimmtechPlans to buy back 60,000 sh of treasury stock, Jun 19 to Jul 19.₩7.6B
6/17TrustWooyang HCSigned a ₩3B trust contract to buy back shares.₩3B
6/17BuybackExemPlans to buy back 1,305,483 sh of treasury stock, Jun 18 to Jul 17.₩2B
6/17BuybackShinil ElectronicsPlans to buy back 1,651,000 sh of treasury stock, Jun 18 to Sep 17.₩2B
6/17TrustSamhwa NetworksEnded a share buyback trust contract.₩1.5B
6/17Shinil ElectronicsShare cancellation
6/17Mirae Asset SecuritiesTreasury stock acquisition

Share issues & bonds 12

6/17CBNdfosConversion price ₩2,633; if all converted, equal to 20.4% of shares outstanding.₩20B
6/17CBKBI MetalConversion price ₩5,140; if all converted, equal to 15.8% of shares outstanding.₩40B
6/17AmendedRights offeringKwangjinIndIssuing 502,512 sh of new shares, equal to 7.8% of existing shares.₩1000M
6/17AmendedNexa DynamicsConvertible bond issue
6/17AmendedNexa DynamicsConvertible bond issue
6/17AmendedWoosung MaterialsRights offering
6/17AmendedJS LinkConvertible bond issue
6/17AmendedBitplanetConvertible bond issue
6/17AmendedMOA Life PlusConvertible bond issue
6/17AmendedJS LinkConvertible bond issue
6/17AmendedProtec Mems TechnologyRights offering
6/17AmendedLB SemiconRights offering

M&A & spin-offs 3

6/17KX InnovationMerger
6/17AmendedWooyang P&LMerger
6/17KX InnovationMerger

Exchange actions 6

6/17PintelExchange inquiry
6/17InsanSpin-off / split
6/17CaregenUnfaithful disclosure
6/17AmendedCheongboExchange inquiry
6/17GeneOne Life ScienceExchange inquiry
6/17Mirae Asset Global REITUnfaithful disclosure