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Key filings, December 26, 2025

454 filings · 8 highlights

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ContractSamil C&SKOSPI

Contract value

₩77B

Of revenue

34.8%

Worth 34.8% of last year's revenue, over about 14 months.

2025-12-25 – 2027-02-24

Company filings →Original (Korean) ↗

ContractSphereKOSDAQ

Contract value

₩535.5M

Of revenue

20.9%

Worth 20.9% of last year's revenue, over about 4 months.

2025-12-26 – 2026-05-04

Company filings →Original (Korean) ↗

ContractVitzro TechKOSDAQ

Contract value

₩6.3B

Of revenue

20.8%

Worth 20.8% of last year's revenue, over about 27 months.

2025-12-26 – 2028-03-31

Company filings →Original (Korean) ↗

5% holderNew 5%Finger StoryKOSDAQ

Stake

43.46%

Change

+43.46pp

A major holder's stake rose from 0.00% to 43.46% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%Episode CompanyKOSDAQ

Stake

14.09%

Change

+14.09pp

A major holder's stake rose from 0.00% to 14.09% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%Mirae Asset Vision Special Purpose Acquisition 10 CompanyKOSDAQ

Stake

6.77%

Change

+6.77pp

A major holder's stake rose from 0.00% to 6.77%.

Company filings →Original (Korean) ↗

M&ANarae NanotechKOSDAQ

Deal value

₩85.4B

Of total assets

49.2%

A ₩85.4B deal, equal to 49.2% of total assets.

Company filings →Original (Korean) ↗

M&AKoasKOSPI

Deal value

₩17.5B

Of total assets

21.3%

A ₩17.5B deal, equal to 21.3% of total assets.

Company filings →Original (Korean) ↗

Supply contracts 37

12/26AmendedSELVAS Healthcare Worth 76.2% of last year's revenue, over about 43 months.₩21.1B

12/26AmendedNoul Worth 68.6% of last year's revenue, over about 7 months.₩1.1B

12/26AmendedPosco Future M Worth 38.8% of last year's revenue.₩1.85T

12/26Samil C&S Worth 34.8% of last year's revenue, over about 14 months.₩77B

12/26AmendedWoojin I&S Worth 33.4% of last year's revenue, over about 28 months.₩33.5B

12/26AmendedPanstar Enterpri Worth 33.4% of last year's revenue, over about 106 months.₩9.5B

12/26AmendedDongsung Finetec Worth 26.2% of last year's revenue, over about 95 months.₩66.3B

12/26AmendedWoowon Development Worth 25.9% of last year's revenue, over about 61 months.₩50.8B

12/26Sphere Worth 20.9% of last year's revenue, over about 4 months.₩535.5M

12/26Vitzro Tech Worth 20.8% of last year's revenue, over about 27 months.₩6.3B

12/26Vitzro Nextech Worth 20.8% of last year's revenue, over about 27 months.₩6.3B

12/26dotmill Worth 19.8% of last year's revenue, over about 12 months.₩4.7B

12/26Gaonchips Worth 18.5% of last year's revenue, over about 9 months.₩17.9B

12/26dotmill Worth 15.4% of last year's revenue, over about 7 months.₩3.6B

12/26AmendedSamsung E&A Worth 15.1% of last year's revenue, over about 21 months.₩1.60T

12/26AmendedKorea Aerospace Industries Worth 14.9% of last year's revenue, over about 36 months.₩382B

12/26AmendedDong-Ah Geological Engineering Company Worth 12.5% of last year's revenue, over about 74 months.₩33.3B

12/26AmendedLG Energy Solution Worth 12.1% of last year's revenue, over about 93 months.₩4.08T

12/26AmendedHanshin Construction Worth 11.7% of last year's revenue, over about 124 months.₩127B

12/26AmendedHS Hwasung Worth 10.9% of last year's revenue, over about 133 months.₩46B

12/26AmendedTY Holdings Worth 7.2% of last year's revenue, over about 100 months.₩188B

12/26AmendedTaeyoung Engineering & Construction Worth 7.2% of last year's revenue, over about 100 months.₩188B

12/26AmendedSamsung Heavy Industries Worth 6.9% of last year's revenue, over about 18 months.₩554B

12/26TY Holdings Worth 6.8% of last year's revenue, over about 55 months.₩182B

12/26Taeyoung Engineering & Construction Worth 6.8% of last year's revenue, over about 55 months.₩182B

12/26HD Korea Shipbuilding & Offshore Engineering Worth 5.8% of last year's revenue, over about 48 months.₩845B

12/26HD Hyundai Heavy Industries Worth 5.8% of last year's revenue, over about 48 months.₩845B

12/26AmendedSamsung C&T Worth 5.6% of last year's revenue, over about 21 months.₩2.33T

12/26AmendedMobiis Worth 5.3% of last year's revenue, over about 14 months.₩1B

12/26AmendedDL Holdings Worth 5.2% of last year's revenue, over about 100 months.₩392B

12/26AmendedDL E&C Worth 5.2% of last year's revenue, over about 100 months.₩392B

12/26AmendedCS Bearing Worth 5% of last year's revenue, over about 29 months.₩2.4B

12/26Korea Aerospace Industries Worth 4.6% of last year's revenue, over about 96 months.₩166B

12/26AmendedKolon Worth 3.8% of last year's revenue, over about 112 months.₩121B

12/26AmendedKolonGlobal Worth 3.8% of last year's revenue, over about 112 months.₩121B

12/26Korea Aerospace Industries Worth 2.5% of last year's revenue, over about 41 months.₩92.6B

12/26LG Energy Solution Supply contract terminated

Insider trades 79

12/26Rznomics Insider ownership report

12/26AmendedKye-Ryong Construction Industrial Insider ownership report

12/26Seojin Automotive Insider ownership report

12/26AmendedKye-Ryong Construction Industrial Insider ownership report

12/26Naturecell Insider ownership report

12/26AmendedKye-Ryong Construction Industrial Insider ownership report

12/26Kye-Ryong Construction Industrial Insider ownership report

12/26Exem Insider ownership report

12/26Kye-Ryong Construction Industrial Insider ownership report

12/26Hecto Financial Insider ownership report

12/26Kye-Ryong Construction Industrial Insider ownership report

12/26Bellock Insider ownership report

12/26Hecto Innovation Insider ownership report

12/26Kye-Ryong Construction Industrial Insider ownership report

12/26Trinity Airways Insider ownership report

12/26Episode Company Insider ownership report

12/26Kye-Ryong Construction Industrial Insider ownership report

12/26i3system Insider ownership report

12/26Kye-Ryong Construction Industrial Insider ownership report

12/26T3 Entertainment Insider ownership report

12/26Kye-Ryong Construction Industrial Insider ownership report

All insider trades →

5% holders 45

12/26New 5%Finger Story A major holder's stake rose from 0.00% to 43.46% (new report).43.46%

12/26New 5%Episode Company A major holder's stake rose from 0.00% to 14.09% (new report).14.09%

12/26New 5%Mirae Asset Vision Special Purpose Acquisition 10 Company A major holder's stake rose from 0.00% to 6.77%.6.77%

12/26New 5%Mirae Asset Vision Special Purpose Acquisition 10 Company A major holder's stake rose from 0.00% to 6.58% (new report).6.58%

12/26New 5%Enchem A major holder's stake rose from 0.00% to 5.06% (new report).5.06%

12/26Below 5%HLB Genex A major holder's stake fell from 10.78% to 0.11% (conversion/exercise).0.11%

12/26Below 5%Lskairobot A major holder's stake fell from 10.12% to 0.00% (share lending).0.00%

12/26Trinity Airways A major holder's stake rose from 64.23% to 71.02% (rights offering).71.02%

12/26Below 5%Davolink A major holder's stake fell from 5.37% to 0.00% (share lending).0.00%

12/26Below 5%Rznomics A major holder's stake rose from 0.00% to 4.85% (open-market sale).4.85%

12/26Obzen A major holder's stake rose from 40.03% to 41.67% (rights offering).41.67%

12/26Bellock A major holder's stake fell from 53.64% to 52.03% (open-market sale).52.03%

12/26T-Robotics A major holder's stake rose from 18.80% to 20.33% (stock option).20.33%

12/26DongilTechnology A major holder's stake fell from 71.32% to 69.91%.69.91%

12/26Cubic Korea A major holder's stake rose from 45.81% to 47.22%.47.22%

12/26Gabia A major holder's stake rose from 12.32% to 13.30% (open-market buy).13.30%

12/26Fantagio A major holder's stake rose from 49.65% to 50.61% (conversion/exercise).50.61%

12/26Aiji net A major holder's stake rose from 26.00% to 26.91%.26.91%

12/26Hecto Financial A major holder's stake rose from 39.98% to 40.62% (bonus issue).40.62%

12/26Bookook Securities A major holder's stake rose from 33.91% to 34.50% (related-party change).34.50%

12/26Dream Security A major holder's stake rose from 40.65% to 41.17% (pledge).41.17%

12/26SC Engineering A major holder's stake fell from 6.53% to 6.02% (related-party change).6.02%

12/26AmendedERCOHS Agricultural A major holder's stake fell from 75.89% to 75.51% (open-market sale).75.51%

12/26HEM Pharma A major holder's stake fell from 28.25% to 27.98% (open-market sale).27.98%

12/26GemVax & KAEL A major holder's stake fell from 27.38% to 27.13% (share lending).27.13%

12/26Inveni A major holder's stake rose from 42.78% to 42.85% (related-party change).42.85%

12/26Hecto Innovation A major holder's stake rose from 39.32% to 39.38% (related-party change).39.38%

12/26Neotechnicalsystem A major holder's stake rose from 43.82% to 43.88% (open-market buy).43.88%

12/26A Plus Asset Advisor A major holder's stake rose from 12.14% to 12.14%.12.14%

12/26Initech Report of 5%+ holding

12/26Solum Report of 5%+ holding

12/26STIC Investments A major holder's stake rose from 7.63% to 7.63%.7.63%

12/26Dentium Report of 5%+ holding

12/26Kumyang Green Power A major holder's stake rose from 59.46% to 59.46% (pledge).59.46%

12/26Logen A major holder's stake rose from 68.70% to 68.70% (pledge).68.70%

12/26Exem A major holder's stake rose from 40.63% to 40.63% (gift).40.63%

12/26Aprogen A major holder's stake rose from 58.47% to 58.47% (pledge).58.47%

12/26Innodep A major holder's stake rose from 32.53% to 32.53% (pledge).32.53%

12/26Kolmar Holdings A major holder's stake rose from 48.43% to 48.43% (pledge).48.43%

12/26Seojin System A major holder's stake rose from 48.19% to 48.19% (share lending).48.19%

All 5% holders →

Buybacks 8

12/26TrustCoway Ended a share buyback trust contract.₩110B

12/26DisposalSmec Plans to dispose of 1,000,000 sh of treasury stock, Dec 29 to Dec 29.₩6.8B

12/26DisposalSmec Plans to dispose of 770,000 sh of treasury stock, Dec 29 to Dec 29.₩5B

12/26TrustViatron Technologies Ended a share buyback trust contract.₩5B

12/26DisposalSmec Plans to dispose of 907,031 sh of treasury stock, Dec 29 to Dec 29.₩4.7B

12/26DisposalSeAH Steel Plans to dispose of 36,200 sh of treasury stock, Dec 29 to Dec 29.₩4.4B

12/26DisposalMFC Plans to dispose of 63,235 sh of treasury stock, Dec 26 to Dec 31.₩214.7M

12/26SeAH Steel Holdings Treasury stock disposal

Share issues & bonds 11

12/26AmendedCBBeautyskin Conversion price ₩13,046; if all converted, equal to 14.4% of shares outstanding.₩7.5B

12/26AmendedCBEnchem Conversion price ₩72,686; if all converted, equal to 1.2% of shares outstanding.₩18.7B

12/26Socar Rights offering

12/26AmendedLotte Rights offering

12/26Foosung Rights offering

12/26AmendedBlue Industrial Development Rights offering

12/26Enchem Convertible bond issue

12/26AmendedHanWool Semiconductor Convertible bond issue

12/26AmendedABL Bio Rights offering

M&A & spin-offs 10

12/26AmendedAdbiotech A ₩14.7B deal, equal to 63.6% of total assets.₩14.7B

12/26Narae Nanotech A ₩85.4B deal, equal to 49.2% of total assets.₩85.4B

12/26AmendedEpisode Company A ₩8B deal, equal to 43.6% of total assets.₩8B

12/26Koas A ₩17.5B deal, equal to 21.3% of total assets.₩17.5B

12/26AmendedLskairobot Stake acquisition/disposal

12/26AmendedMetacare Stake acquisition/disposal

12/26Hanla IMS Tangible asset deal

12/26Narae Nanotech Tangible asset deal

12/26AmendedLskairobot Stake acquisition/disposal

12/26Exicure Hitron Stake acquisition/disposal

Exchange actions 5

12/26Bucket Studio Exchange

12/26EehwaConstruction Capital reduction

12/26Victory Contents Exchange inquiry

12/26Hyundai Mobis Exchange inquiry