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Key filings, December 31, 2025

438 filings · 7 highlights

← December 30, 2025 January 2, 2026 →

ContractSphereKOSDAQ

Contract value

₩8B

Of revenue

313.7%

Worth 313.7% of last year's revenue, over about 11 months.

2025-12-31 – 2026-11-16

Company filings →Original (Korean) ↗

ContractSphereKOSDAQ

Contract value

₩1.4B

Of revenue

55.9%

Worth 55.9% of last year's revenue, over about 12 months.

2025-12-30 – 2026-12-29

Company filings →Original (Korean) ↗

ContractDAE HWA PharmKOSDAQ

Contract value

₩45.2B

Of revenue

30.2%

Worth 30.2% of last year's revenue, over about 24 months.

2026-01-01 – 2027-12-31

Company filings →Original (Korean) ↗

5% holderNew 5%Kangnam JevisKOSPI

Stake

50.64%

Change

+50.64pp

A major holder's stake rose from 0.00% to 50.64% (inheritance).

Company filings →Original (Korean) ↗

5% holderBelow 5%Kangnam JevisKOSPI

Stake

0.00%

Change

-50.64pp

A major holder's stake fell from 50.64% to 0.00% (inheritance).

Company filings →Original (Korean) ↗

5% holderBelow 5%HanWool & JejuKOSDAQ

Stake

0.00%

Change

-29.22pp

A major holder's stake fell from 29.22% to 0.00% (related-party change).

Company filings →Original (Korean) ↗

M&AHanWool SemiconductorKOSDAQ

Deal value

₩12B

Of total assets

23.3%

A ₩12B deal, equal to 23.3% of total assets.

Company filings →Original (Korean) ↗

Supply contracts 88

12/31Sphere Worth 313.7% of last year's revenue, over about 11 months.₩8B

12/31AmendedTOP Material Worth 217.1% of last year's revenue, over about 40 months.₩69.3B

12/31AmendedNamkwang Engineering & Construction Worth 210.9% of last year's revenue.₩244B

12/31AmendedPrestige Biologics Worth 180.3% of last year's revenue, over about 12 months.₩3.9B

12/31AmendedVitzro Tech Worth 163.1% of last year's revenue, over about 72 months.₩184B

12/31AmendedVitzrocell Worth 163.1% of last year's revenue, over about 72 months.₩184B

12/31AmendedPosco Future M Worth 141.3% of last year's revenue, over about 36 months.₩2.81T

12/31AmendedGaonchips Worth 128.5% of last year's revenue, over about 31 months.₩55.7B

12/31AmendedTOP Material Worth 110.4% of last year's revenue, over about 36 months.₩69.6B

12/31AmendedKorea Electronic Power Industrial Development Worth 83.3% of last year's revenue.₩306B

12/31AmendedCaregen Worth 82.3% of last year's revenue, over about 121 months.₩23.5B

12/31AmendedExicure Hitron Worth 62.1% of last year's revenue, over about 32 months.₩3.4B

12/31AmendedKorea Electronic Power Industrial Development Worth 62.1% of last year's revenue.₩228B

12/31AmendedKorea Electronic Power Industrial Development Worth 61% of last year's revenue.₩224B

12/31Sphere Worth 55.9% of last year's revenue, over about 12 months.₩1.4B

12/31AmendedKEPCO Plant Service & Engineering Worth 46.4% of last year's revenue.₩467B

12/31AmendedDoosan Fuel Cell Worth 44.4% of last year's revenue, over about 33 months.₩139B

12/31AmendedGeumhwa PSC Worth 44.4% of last year's revenue, over about 134 months.₩84.1B

12/31AmendedChoolip & Sciences Worth 38.5% of last year's revenue, over about 3 months.₩417M

12/31AmendedArtist Company Worth 37.6% of last year's revenue, over about 8 months.₩8B

12/31AmendedSambu Construction Worth 34.2% of last year's revenue.₩96B

12/31AmendedKorea Electronic Power Industrial Development Worth 31.7% of last year's revenue.₩116B

12/31AmendedKangwon Energy Worth 31.3% of last year's revenue, over about 24 months.₩43.6B

12/31AmendedTSI Worth 30.4% of last year's revenue, over about 41 months.₩20.5B

12/31DAE HWA Pharm Worth 30.2% of last year's revenue, over about 24 months.₩45.2B

12/31AmendedPeople & Technology Worth 29.9% of last year's revenue, over about 38 months.₩113B

12/31AmendedSamho Development Worth 28.9% of last year's revenue.₩76.7B

12/31AmendedWoowon Development Worth 27.4% of last year's revenue, over about 81 months.₩79.4B

12/31AmendedWoojin I&S Worth 23.6% of last year's revenue.₩19.8B

12/31AmendedHJ Shipbuilding & Construction Worth 23.5% of last year's revenue, over about 64 months.₩382B

12/31AmendedKorea Electronic Power Industrial Development Worth 22.5% of last year's revenue, over about 107 months.₩82.8B

12/31Acryl Worth 21.8% of last year's revenue, over about 1 month.₩2.9B

12/31AmendedMX Robotics Worth 20.5% of last year's revenue, over about 30 months.₩35.6B

12/31Seohan Worth 19.9% of last year's revenue, over about 47 months.₩149B

12/31AmendedVitzro Tech Worth 19.5% of last year's revenue, over about 36 months.₩22B

12/31AmendedVitzrocell Worth 19.5% of last year's revenue, over about 36 months.₩22B

12/31AmendedKorea Electronic Power Industrial Development Worth 19.3% of last year's revenue.₩71B

12/31AmendedTSI Worth 18.1% of last year's revenue, over about 37 months.₩27B

12/31AmendedPeople & Technology Worth 18.1% of last year's revenue, over about 40 months.₩68.5B

12/31AmendedSamho Development Worth 17.9% of last year's revenue, over about 59 months.₩55.1B

All supply contracts →

Insider trades 56

12/31Mirae Asset Venture Investment Insider ownership report

12/31GC MediAI Insider ownership report

12/31Mirae Asset Venture Investment Insider ownership report

12/31Polaris UNO Insider ownership report

12/31Samsung Electronics Co,Insider ownership report

12/31OE Solutions Insider ownership report

12/31HS Hwasung Insider ownership report

12/31CSA Cosmic Insider ownership report

12/31HS Hwasung Insider ownership report

12/31ZGOO Holdings Insider ownership report

12/31Celltrion Insider ownership report

12/31Kangnam Jevis Insider ownership report

12/31Eco Volt Insider ownership report

12/31Kangnam Jevis Insider ownership report

12/31Hanwha REIT Insider ownership report

12/31Koramco Life Infra Reit Insider ownership report

12/31Koramco the ONE Reit Insider ownership report

12/31E Kocref Cr-Reit Insider ownership report

12/31Shinhan Alpha REIT Co,.Insider ownership report

12/31D&D Platform REIT Insider ownership report

12/31SK Reit Insider ownership report

12/31ESR Kendall Square REIT Insider ownership report

12/31Naver Insider ownership report

12/31Kespion Insider ownership report

All insider trades →

5% holders 57

12/31New 5%Kangnam Jevis A major holder's stake rose from 0.00% to 50.64% (inheritance).50.64%

12/31Below 5%Kangnam Jevis A major holder's stake fell from 50.64% to 0.00% (inheritance).0.00%

12/31Below 5%HanWool & Jeju A major holder's stake fell from 29.22% to 0.00% (related-party change).0.00%

12/31HanWool & Jeju A major holder's stake rose from 18.11% to 46.98% (related-party change).46.98%

12/31New 5%HanWool Semiconductor A major holder's stake rose from 0.00% to 12.96% (new report).12.96%

12/31New 5%Lightron Fiber-Optic Devices A major holder's stake rose from 0.00% to 8.47%.8.47%

12/31NRobotics A major holder's stake rose from 24.80% to 43.00% (rights offering).43.00%

12/31New 5%Globon A major holder's stake rose from 0.00% to 8.02% (conversion/exercise).8.02%

12/31ZGOO Holdings A major holder's stake rose from 44.11% to 59.05% (related-party change).59.05%

12/31ZGOO Holdings A major holder's stake fell from 25.11% to 12.56%.12.56%

12/31Eco Volt A major holder's stake fell from 39.81% to 28.03% (open-market sale).28.03%

12/31E8 A major holder's stake fell from 34.05% to 22.36% (rights offering).22.36%

12/31Aptn A major holder's stake fell from 41.23% to 31.60% (conversion/exercise).31.60%

12/31Below 5%Globon A major holder's stake fell from 8.02% to 0.00% (conversion/exercise).0.00%

12/31Dae Myoung Energy A major holder's stake fell from 75.67% to 71.76% (pledge).71.76%

12/31Innocean Worldwide A major holder's stake fell from 12.50% to 10.00%.10.00%

12/31Device A major holder's stake rose from 34.39% to 36.61% (related-party change).36.61%

12/31Xperix A major holder's stake fell from 19.80% to 17.65% (share lending).17.65%

12/31HanWool Semiconductor A major holder's stake rose from 34.47% to 36.36% (conversion/exercise).36.36%

12/31DigiCAP A major holder's stake rose from 45.37% to 47.21% (open-market buy).47.21%

12/31DB Insurance A major holder's stake rose from 24.60% to 25.96% (related-party change).25.96%

12/31OE Solutions A major holder's stake fell from 26.74% to 25.42% (open-market sale).25.42%

12/31MDS Tech A major holder's stake fell from 29.78% to 28.65% (conversion/exercise).28.65%

12/31KCC Glass A major holder's stake rose from 43.67% to 44.75% (related-party change).44.75%

12/31Mgen Solutions A major holder's stake fell from 20.43% to 19.45% (pledge).19.45%

12/31Daesung Industrial A major holder's stake fell from 41.36% to 40.41%.40.41%

12/31d'Alba Global A major holder's stake fell from 34.80% to 33.86% (stock option).33.86%

12/31DI Dong IL A major holder's stake rose from 24.75% to 25.42% (open-market sale).25.42%

12/31Aprogen Biologics A major holder's stake rose from 78.25% to 78.79% (conversion/exercise).78.79%

12/31Aprogen A major holder's stake fell from 58.47% to 58.17% (conversion/exercise).58.17%

12/31Kespion A major holder's stake rose from 19.21% to 19.47% (related-party change).19.47%

12/31ViGenCell A major holder's stake rose from 21.36% to 21.56% (open-market buy).21.56%

12/31GC MediAI A major holder's stake rose from 52.66% to 52.78% (pledge).52.78%

12/31Autech A major holder's stake rose from 5.11% to 5.19%.5.19%

12/31Krafton A major holder's stake fell from 37.21% to 37.18% (open-market sale).37.18%

12/31Sun&l A major holder's stake rose from 46.86% to 46.87% (related-party change).46.87%

12/31Kwangdong Pharmaceutical A major holder's stake rose from 18.37% to 18.37%.18.37%

12/31CSA Cosmic Report of 5%+ holding

12/31FSN A major holder's stake rose from 28.97% to 28.97% (share lending).28.97%

12/31Orion A major holder's stake rose from 43.81% to 43.81%.43.81%

All 5% holders →

Buybacks 2

12/31DisposalCSA Cosmic Plans to dispose of 2,004,687 sh of treasury stock, Dec 31 to Dec 31.₩874M

12/31DisposalInzisoft Plans to dispose of 3,750 sh of treasury stock, Dec 31 to Jan 5.₩74.9M

Share issues & bonds 22

12/31AmendedBonus issueBeautyskin Bonus issue of new shares equal to 300% of existing shares.10,602,117 sh

12/31AmendedRights offeringGencurix Issuing 5,994,550 sh of new shares, equal to 37.2% of existing shares.₩8.8B

12/31AmendedRights offeringSensorview Issuing 938,965 sh of new shares, equal to 2.1% of existing shares.₩1000M

12/31AmendedCBItoxi Conversion price ₩801; if all converted, equal to 1.6% of shares outstanding.₩700M

12/31Atum Rights offering

12/31Itoxi Convertible bond issue

12/31AmendedCBItoxi Convertible bond issue

12/31AmendedKEM Tech Convertible bond issue

12/31Fine Technix Rights offering

12/31AmendedL&C BIO Rights offering

12/31AmendedParataxis Ethereum Rights offering

12/31AmendedHanWool Semiconductor Convertible bond issue

12/31AmendedKorea Z Rights offering

12/31AmendedItoxi Convertible bond issue

12/31Itoxi Convertible bond issue

12/31AmendedItoxi Convertible bond issue

12/31AmendedSensorview Rights offering

12/31Itoxi Convertible bond issue

12/31AmendedItoxi Rights offering

M&A & spin-offs 4

12/31HanWool Semiconductor A ₩12B deal, equal to 23.3% of total assets.₩12B

12/31AmendedSKC Business transfer

12/31AmendedARIBIO Holdings Tangible asset deal

12/31AmendedHLB Merger

Exchange actions 2

12/31ARIBIO Holdings Unfaithful disclosure

12/31POSCO Holdings Exchange inquiry