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Key filings, November 21, 2025

345 filings · 10 highlights
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Supply contracts 17

11/21AmendedSungwon Ener TechWorth 27.6% of last year's revenue, over about 23 months.₩13.1B
11/21AmendedSOS LABWorth 24.4% of last year's revenue, over about 11 months.₩1B
11/21AmendedSamsung BiologicsWorth 21.6% of last year's revenue.₩63.6B
11/21AmendedHVMWorth 18.5% of last year's revenue, over about 8 months.₩8.3B
11/21AmendedSOS LABWorth 17.2% of last year's revenue, over about 5 months.₩851.1M
11/21AmendedSK DiscoveryWorth 17.1% of last year's revenue, over about 59 months.₩18.4B
11/21Prestige BiologicsWorth 16.7% of last year's revenue, over about 13 months.₩2.1B
11/21HD HyundaiWorth 10.9% of last year's revenue, over about 45 months.₩763B
11/21HD Korea Shipbuilding & Offshore EngineeringWorth 10.9% of last year's revenue, over about 45 months.₩763B
11/21AmendedDaewoo Engineering & ConstructionWorth 8.2% of last year's revenue, over about 90 months.₩708B
11/21ContecWorth 6.6% of last year's revenue, over about 25 months.₩4.5B
11/21AmendedHD HyundaiWorth 5.4% of last year's revenue, over about 76 months.₩141B
11/21AmendedHD Korea Shipbuilding & Offshore EngineeringWorth 5.4% of last year's revenue, over about 76 months.₩141B
11/21AmendedSamsung C&TWorth 3.9% of last year's revenue, over about 131 months.₩1.20T
11/21HDC HoldingsWorth 3.6% of last year's revenue.₩151B
11/21Ipark Hyundai Development CompanyWorth 3.6% of last year's revenue.₩151B
11/21AmendedLSWorth 3.3% of last year's revenue, over about 34 months.₩216B

Insider trades 64

11/21LasersselInsider ownership report
11/21LasersselInsider ownership report
11/21HumedixInsider ownership report
11/21HD Hyundai ElectricInsider ownership report
11/21LasersselInsider ownership report
11/21HumedixInsider ownership report
11/21Green OpticsInsider ownership report
11/21LasersselInsider ownership report
11/21LasersselInsider ownership report
11/21NoulInsider ownership report
11/21Miwon HoldingsInsider ownership report
11/21LasersselInsider ownership report
11/21InveniInsider ownership report
11/21NaverInsider ownership report
11/21Kyongbo PharmaceuticalInsider ownership report
11/21SuNAMInsider ownership report
11/21RobotisInsider ownership report
11/21Korean AIR LinesInsider ownership report
11/21RobotisInsider ownership report
11/21JetemaInsider ownership report
11/21RobotisInsider ownership report
11/21Kolmar HoldingsInsider ownership report
11/21JetemaInsider ownership report
11/21FNS TechInsider ownership report
11/21CelltrionInsider ownership report
11/21CelltrionInsider ownership report
11/21Kangdong C&LInsider ownership report
11/21CelltrionInsider ownership report
11/21AnapassInsider ownership report
11/21Dongbang Transport & LogisticsInsider ownership report
11/21JetemaInsider ownership report
11/21FantagioInsider ownership report
11/21DS DansukInsider ownership report
11/21KyungbangInsider ownership report
11/21Konan Technology INInsider ownership report
11/21KSS LineInsider ownership report
11/21Konan Technology INInsider ownership report
11/21JS LinkInsider ownership report
11/21E8Insider ownership report
11/21E8Insider ownership report
All insider trades →

5% holders 51

11/21New 5%HanWool & JejuA major holder's stake rose from 0.00% to 23.28% (new report).23.28%
11/21New 5%CHA AI HealthkareA major holder's stake rose from 0.00% to 9.61% (new report).9.61%
11/21New 5%SuheungA major holder's stake rose from 0.00% to 5.09% (new report).5.09%
11/21New 5%ALTA major holder's stake rose from 0.00% to 5.09% (new report).5.09%
11/21CHA AI HealthkareA major holder's stake fell from 48.86% to 38.23%.38.23%
11/21Below 5%TLBA major holder's stake rose from 0.00% to 4.69% (new report).4.69%
11/21CorentecA major holder's stake fell from 25.06% to 21.14% (conversion/exercise).21.14%
11/21NoulA major holder's stake fell from 28.99% to 25.38% (rights offering).25.38%
11/21Below 5%KwangmuA major holder's stake fell from 5.72% to 2.82% (open-market buy).2.82%
11/21DrtechA major holder's stake fell from 8.72% to 6.13%.6.13%
11/21Below 5%mPlusA major holder's stake fell from 5.54% to 3.13% (conversion/exercise).3.13%
11/21SocarA major holder's stake rose from 44.95% to 47.26% (pledge).47.26%
11/21RobotisA major holder's stake fell from 26.22% to 24.21% (rights offering).24.21%
11/21Orum TherapeuticsA major holder's stake fell from 46.67% to 44.75%.44.75%
11/21FantagioA major holder's stake fell from 51.03% to 49.65% (conversion/exercise).49.65%
11/21H.pioA major holder's stake rose from 71.77% to 73.15% (pledge).73.15%
11/21UbionA major holder's stake fell from 36.36% to 35.00% (related-party change).35.00%
11/21DYAA major holder's stake rose from 17.99% to 19.35% (conversion/exercise).19.35%
11/21SillaTextileA major holder's stake rose from 14.70% to 16.03%.16.03%
11/21HanWool Materials ScienceA major holder's stake fell from 16.44% to 15.13% (pledge).15.13%
11/21Hanwha REITA major holder's stake rose from 20.84% to 21.87%.21.87%
11/21HybeA major holder's stake fell from 47.91% to 46.89% (conversion/exercise).46.89%
11/21Polaris AIA major holder's stake fell from 42.08% to 41.07% (related-party change).41.07%
11/21BYCA major holder's stake fell from 8.13% to 7.13%.7.13%
11/21New Power PlasmaA major holder's stake fell from 34.52% to 34.03% (pledge).34.03%
11/21HanWool & JejuA major holder's stake rose from 42.23% to 42.50% (conversion/exercise).42.50%
11/21CSA CosmicA major holder's stake fell from 9.14% to 8.91% (pledge).8.91%
11/21SynapsoftA major holder's stake rose from 42.59% to 42.76%.42.76%
11/21KSS LineA major holder's stake rose from 29.95% to 30.09% (open-market buy).30.09%
11/21FNS TechA major holder's stake fell from 33.03% to 32.91%.32.91%
11/21Huons GlobalA major holder's stake fell from 57.25% to 57.14% (share lending).57.14%
11/21AmendedHybeA major holder's stake fell from 48.02% to 47.91% (open-market sale).47.91%
11/21Miwon HoldingsA major holder's stake rose from 76.24% to 76.34% (pledge).76.34%
11/21SolidA major holder's stake rose from 10.44% to 10.52% (pledge).10.52%
11/21H&SHigh TechA major holder's stake rose from 27.86% to 27.93% (open-market buy).27.93%
11/21HumedixA major holder's stake fell from 37.50% to 37.45% (open-market sale).37.45%
11/21EnchemA major holder's stake fell from 21.27% to 21.23% (pledge).21.23%
11/21InveniA major holder's stake fell from 42.39% to 42.36% (related-party change).42.36%
11/21Kolmar HoldingsA major holder's stake fell from 48.45% to 48.43%.48.43%
11/21Kyongbo PharmaceuticalA major holder's stake rose from 60.55% to 60.56% (open-market buy).60.56%
All 5% holders →

Buybacks 6

11/21CancellationNICE HoldingsCancels 371,285 sh, 1.00% of shares issued, on Nov 28.371,285 sh
11/21BuybackPangrimPlans to buy back 952,381 sh of treasury stock, Nov 24 to Dec 30.₩5B
11/21BuybackT3 EntertainmentPlans to buy back 2,194,185 sh of treasury stock, Nov 22 to Feb 21.₩4B
11/21DisposalJLKPlans to dispose of 170,133 sh of treasury stock, Nov 24 to Dec 5.₩744.3M
11/21Haesung IndustrialTreasury stock disposal
11/21DaechangTreasury stock disposal

Share issues & bonds 16

11/21Rights offeringLDTIssuing 1,669,599 sh of new shares, equal to 25% of existing shares.₩4B
11/21AmendedCBHyunwooindustrialConversion price ₩3,587; if all converted, equal to 13% of shares outstanding.₩10B
11/21CBChai CommunicationConversion price ₩4,853; if all converted, equal to 9.2% of shares outstanding.₩5.5B
11/21Rights offeringDaishin SecuritiesIssuing 1,382,713 sh of new shares, equal to 1.5% of existing shares.₩112B
11/21AmendedFSNRights offering
11/21ICHRights offering
11/21AmendedKDRights offering
11/21AmendedBeno TNRConvertible bond issue
11/21AmendedHyperRights offering
11/21AmendedChabiotechRights offering
11/21Haesung IndustrialExchangeable bond issue
11/21LaonPeopleBonus issue
11/21AmendedGeneOne Life ScienceRights offering
11/21AmendedRN2 TechnologiesConvertible bond issue
11/21DaechangExchangeable bond issue
11/21Blue Industrial DevelopmentRights offering

M&A & spin-offs 6

11/21Seoul Electronics & TelecomA ₩12.8B deal, equal to 18.4% of total assets.₩12.8B
11/21Cosmax NBTA ₩32.5B deal, equal to 10.3% of total assets.₩32.5B
11/21AmendedHyperMerger
11/21AmendedHyperStake acquisition/disposal
11/21AmendedLskairobotStake acquisition/disposal
11/21AmendedBillionsMerger

Exchange actions 4

11/21SLSBio(Specialty Lab Solution Bio)Unfaithful disclosure
11/21Kainos MedicineTrading halt
11/21LaonPeopleBonus issue
11/21Exicure HitronExchange