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Key filings, June 5, 2026

491 filings · 11 highlights
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Supply contracts 20

6/5ARIBIO HoldingsWorth 33.3% of last year's revenue, over about 45 months.₩12.7B
6/5CatisWorth 20.8% of last year's revenue, over about 17 months.₩5.8B
6/5AmendedHantechWorth 18.5% of last year's revenue, over about 23 months.₩28.8B
6/5Beno TNRWorth 14.4% of last year's revenue, over about 15 months.₩686.8M
6/5AmendedBHIWorth 13.6% of last year's revenue, over about 33 months.₩44.9B
6/5AmendedChinhung InternationalWorth 12.5% of last year's revenue, over about 90 months.₩68.5B
6/5AmendedIteyesWorth 10.5% of last year's revenue, over about 23 months.₩7.8B
6/5EuBiologicsWorth 8.9% of last year's revenue, over about 2 months.₩13.3B
6/5AmendedIljin ElectricWorth 7% of last year's revenue, over about 25 months.₩110B
6/5DL HoldingsWorth 6.8% of last year's revenue, over about 47 months.₩500B
6/5DL E&CWorth 6.8% of last year's revenue, over about 47 months.₩500B
6/5TESWorth 6% of last year's revenue, over about 7 months.₩21.2B
6/5TY HoldingsWorth 5.6% of last year's revenue, over about 44 months.₩121B
6/5Taeyoung Engineering & ConstructionWorth 5.6% of last year's revenue, over about 44 months.₩121B
6/5Huneed TechnologiesWorth 5.5% of last year's revenue, over about 28 months.₩7.5B
6/5Kye-Ryong Construction IndustrialWorth 5.2% of last year's revenue, over about 65 months.₩151B
6/5Shinsung E&GWorth 1.8% of last year's revenue, over about 6 months.₩10.1B
6/5AmendedLS ElectricWorth 1.7% of last year's revenue, over about 25 months.₩76.4B
6/5AmendedLS ElectricWorth 1.1% of last year's revenue, over about 276 months.₩49.4B
6/5ARIBIO HoldingsSingle sales/supply contract

Insider trades 91

6/5RobotisInsider ownership report
6/5JIN Yang PharmaceuticalInsider ownership report
6/5SimpacInsider ownership report
6/5Woongjin ThinkbigInsider ownership report
6/5Woongjin ThinkbigInsider ownership report
6/5Hanyang SecuritiesInsider ownership report
6/5Woongjin ThinkbigInsider ownership report
6/5Woongjin ThinkbigInsider ownership report
6/5G2gbioInsider ownership report
6/5Woongjin ThinkbigInsider ownership report
6/5Daelim TradingInsider ownership report
6/5Yujin RobotInsider ownership report
6/5Samsung Electronics Co,Insider ownership report
6/5HojeonInsider ownership report
6/5GencurixInsider ownership report
6/5Inventage LabInsider ownership report
6/5DB SecuritiesInsider ownership report
6/5Yuanta Securities KoreaInsider ownership report
6/5Korea SteelInsider ownership report
6/5IntoCellInsider ownership report
6/5HS Hyosung Advanced MaterialsInsider ownership report
6/5IntoCellInsider ownership report
6/5AdbiotechInsider ownership report
6/5HumasisInsider ownership report
6/5Aprogen BiologicsInsider ownership report
6/5PhilenergyInsider ownership report
6/5AptocromInsider ownership report
6/5PhilenergyInsider ownership report
6/5KakaoBankInsider ownership report
6/5Kukje PharmaInsider ownership report
6/5L&C BIOInsider ownership report
6/5CowayInsider ownership report
6/5Kye-Ryong Construction IndustrialInsider ownership report
6/5DaehanPharmaceuticalInsider ownership report
6/5DYInsider ownership report
6/5CowayInsider ownership report
6/5DAE Dong SteelInsider ownership report
6/5DAE Dong SteelInsider ownership report
6/5Pan OceanInsider ownership report
6/5Samil PharmaceuticalInsider ownership report
All insider trades →

5% holders 91

6/5AmendedNew 5%G2gbioA major holder's stake rose from 0.00% to 27.99% (new report).27.99%
6/5FantagioA major holder's stake fell from 42.20% to 16.12% (conversion/exercise).16.12%
6/5AmendedNew 5%Enzychem LifesciencesA major holder's stake rose from 0.00% to 5.98%.5.98%
6/5AmendedNew 5%Enzychem LifesciencesA major holder's stake rose from 0.00% to 5.95%.5.95%
6/5New 5%OSPA major holder's stake rose from 0.00% to 5.94% (new report).5.94%
6/5AmendedNew 5%Daeho ALA major holder's stake rose from 0.00% to 5.78%.5.78%
6/5New 5%DYCA major holder's stake rose from 0.00% to 5.63% (new report).5.63%
6/5New 5%Mirae Asset Vision Special Purpose Acquisition 10 CompanyA major holder's stake rose from 0.00% to 5.43%.5.43%
6/5New 5%Mirae Asset Vision Special Purpose Acquisition 11 CompanyA major holder's stake rose from 0.00% to 5.28%.5.28%
6/5New 5%GnBS eA major holder's stake rose from 0.00% to 5.25% (new report).5.25%
6/5New 5%Hana Thirty-six Special Purpose Acquisition CompanyA major holder's stake rose from 0.00% to 5.23%.5.23%
6/5GigaVisA major holder's stake fell from 61.56% to 48.42% (open-market buy).48.42%
6/5New 5%NanoA major holder's stake rose from 4.81% to 5.36%.5.36%
6/5New 5%Hans BiomedA major holder's stake rose from 4.81% to 5.12% (new report).5.12%
6/5New 5%RobostarA major holder's stake rose from 4.98% to 5.01%.5.01%
6/5MobirixA major holder's stake fell from 54.04% to 47.79% (open-market buy).47.79%
6/5Below 5%OptrontecA major holder's stake fell from 6.02% to 0.00% (conversion/exercise).0.00%
6/5Below 5%OptrontecA major holder's stake fell from 5.10% to 0.00% (conversion/exercise).0.00%
6/5J.estinaA major holder's stake rose from 6.39% to 10.00% (open-market buy).10.00%
6/5Outin FuturesA major holder's stake fell from 28.69% to 26.07% (conversion/exercise).26.07%
6/5WotA major holder's stake fell from 57.64% to 55.04%.55.04%
6/5SK oceanplantA major holder's stake fell from 37.60% to 35.62% (pledge).35.62%
6/5AmendedG2gbioA major holder's stake fell from 27.99% to 26.28% (open-market sale).26.28%
6/5PavonineA major holder's stake fell from 8.84% to 7.13%.7.13%
6/5AmendedG2gbioA major holder's stake fell from 26.28% to 24.64% (open-market sale).24.64%
6/5Digital DaesungA major holder's stake rose from 56.97% to 58.44% (related-party change).58.44%
6/5JIN Yang PharmaceuticalA major holder's stake fell from 27.56% to 26.15% (related-party change).26.15%
6/5GriteeA major holder's stake rose from 41.23% to 42.44% (open-market buy).42.44%
6/5Namyang Dairy ProductsA major holder's stake fell from 61.97% to 60.76% (open-market sale).60.76%
6/5IDPA major holder's stake rose from 58.92% to 60.06% (related-party change).60.06%
6/5WONIK MaterialsA major holder's stake fell from 8.32% to 7.19%.7.19%
6/5HL HoldingsA major holder's stake fell from 7.43% to 6.36%.6.36%
6/5Intelligent Digital Integrated SecurityA major holder's stake rose from 55.44% to 56.47% (open-market buy).56.47%
6/5Aprogen BiologicsA major holder's stake rose from 82.79% to 83.79% (conversion/exercise).83.79%
6/5CQVA major holder's stake rose from 49.84% to 50.73% (open-market buy).50.73%
6/5G2gbioA major holder's stake rose from 24.64% to 25.34% (related-party change).25.34%
6/5JeonjinbioA major holder's stake rose from 6.84% to 7.53% (open-market buy).7.53%
6/5AdbiotechA major holder's stake rose from 34.18% to 34.86% (rights offering).34.86%
6/5HL HoldingsA major holder's stake rose from 37.25% to 37.81% (open-market buy).37.81%
6/5NeoImmuneTechA major holder's stake rose from 17.02% to 17.56% (related-party change).17.56%
All 5% holders →

Buybacks 11

6/5AmendedTrustd'Alba GlobalSigned a ₩17B trust contract to buy back shares.₩17B
6/5AmendedBuybackKona IPlans to buy back 100,000 sh of treasury stock, Jun 6 to Sep 5.₩5B
6/5TrustHytcSigned a ₩5B trust contract to buy back shares.₩5B
6/5TrustMobirixSigned a ₩4B trust contract to buy back shares.₩4B
6/5TrustALTSigned a ₩3B trust contract to buy back shares.₩3B
6/5BuybackShinhungPlans to buy back 100,000 sh of treasury stock, Jun 8 to Sep 7.₩1.4B
6/5RevuShare cancellation
6/5Amendedd'Alba GlobalBuyback trust ended
6/5Amendedd'Alba GlobalBuyback trust ended
6/5Kona ITreasury stock acquisition
6/5Amendedd'Alba GlobalBuyback trust contract

Share issues & bonds 17

6/5AmendedRights offeringFingerIssuing 2,609,149 sh of new shares, equal to 27.7% of existing shares.₩30B
6/5AmendedCBYulChonConversion price ₩1,499; if all converted, equal to 21.7% of shares outstanding.₩10B
6/5Rights offeringSoftcenIssuing 2,200,000 sh of new shares, equal to 10.5% of existing shares.₩2.2B
6/5AmendedCBBitplanetConversion price ₩3,615; if all converted, equal to 5.5% of shares outstanding.₩5B
6/5AmendedHansol HoldingsRights offering
6/5AmendedBitplanetConvertible bond issue
6/5AmendedNaintech.Convertible bond issue
6/5AmendedAribiolabConvertible bond issue
6/5AmendedBlue Industrial DevelopmentConvertible bond issue
6/5AmendedJoyworks&Bonus issue
6/5AmendedIremRights offering
6/5AmendedSangji ConstructionRights offering
6/5AmendedKorea Cable T.v Chung-Buk SystemCapital reduction
6/5AmendedHansol TechnicsRights offering
6/5AmendedKorea Cable T.v Chung-Buk SystemCapital reduction
6/5AmendedMgen SolutionsConvertible bond issue
6/5InnospaceBonus issue

M&A & spin-offs 8

6/5LinkedA ₩14.7B deal, equal to 20.4% of total assets.₩14.7B
6/5Dynamic solutionA ₩10.8B deal, equal to 13.9% of total assets.₩10.8B
6/5Cosmecca KoreaA ₩64B deal, equal to 10.1% of total assets.₩64B
6/5BitplanetTangible asset deal
6/5AmendedLightron Fiber-Optic DevicesMerger
6/5AmendedCosmecca KoreaTangible asset deal
6/5AmendedRN2 TechnologiesStake acquisition/disposal
6/5AmendedOASpin-off / split

Exchange actions 11

6/5PintelUnfaithful disclosure
6/5DawonsysUnfaithful disclosure
6/5DawonsysTrading halt
6/5iASpin-off / split
6/5DawonsysExchange
6/5Victory ContentsSpin-off / split
6/5SEJONG MEDICAL Co.Ltd.Unfaithful disclosure
6/5GigalaneSpin-off / split
6/5TBCSpin-off / split
6/5TobesoftTrading halt
6/5TobesoftExchange