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Key filings, December 12, 2025

934 filings · 8 highlights

← December 11, 2025 December 15, 2025 →

ContractKEPCO Engineering & Construction CompanyKOSPI

Contract value

₩1.25T

Of revenue

226%

Worth 226% of last year's revenue, over about 148 months.

2025-12-12 – 2038-04-18

Company filings →Original (Korean) ↗

ContractSamyang ComtechKOSDAQ

Contract value

₩86.8B

Of revenue

61.3%

Worth 61.3% of last year's revenue, over about 27 months.

2025-12-09 – 2028-02-29

Company filings →Original (Korean) ↗

ContractCamus Engineering & ConstructionKOSPI

Contract value

₩82B

Of revenue

31.5%

Worth 31.5% of last year's revenue, over about 35 months.

2025-12-31 – 2028-12-15

Company filings →Original (Korean) ↗

5% holderBelow 5%Dilli Illustrate Inc.,KOSDAQ

Stake

0.00%

Change

-36.76pp

A major holder's stake fell from 36.76% to 0.00%.

Company filings →Original (Korean) ↗

5% holderNew 5%Kiwoom Hero No.1 Special Purpose Acquisition CompanyKOSDAQ

Stake

9.81%

Change

+9.81pp

A major holder's stake rose from 0.00% to 9.81% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%Moonbae SteelKOSPI

Stake

9.44%

Change

+9.44pp

A major holder's stake rose from 0.00% to 9.44%.

Company filings →Original (Korean) ↗

BuybackCancellationTokai Carbon KoreaKOSDAQ

Shares cancelled

495,584 sh

Of shares issued

4.24%

Cancels 495,584 sh, 4.24% of shares issued, on Dec 19.

Company filings →Original (Korean) ↗

BuybackCancellationSangsanginKOSDAQ

Shares cancelled

1,200,048 sh

Of shares issued

2.12%

Cancels 1,200,048 sh, 2.12% of shares issued, on Dec 29.

Company filings →Original (Korean) ↗

Supply contracts 19

12/12KEPCO Engineering & Construction Company Worth 226% of last year's revenue, over about 148 months.₩1.25T

12/12AmendedBHI Worth 62.3% of last year's revenue, over about 67 months.₩252B

12/12Samyang Comtech Worth 61.3% of last year's revenue, over about 27 months.₩86.8B

12/12AmendedSeojeon Electric Machinery Worth 38.3% of last year's revenue, over about 16 months.₩16.8B

12/12AmendedSamsung E&A Worth 35.6% of last year's revenue, over about 36 months.₩2.67T

12/12Camus Engineering & Construction Worth 31.5% of last year's revenue, over about 35 months.₩82B

12/12Chinhung International Worth 22.3% of last year's revenue, over about 38 months.₩162B

12/12AmendedDaea TI Worth 18.1% of last year's revenue, over about 44 months.₩21.1B

12/12AmendedHyundai-Rotem Worth 16.5% of last year's revenue, over about 76 months.₩592B

12/12Victek Worth 15.6% of last year's revenue, over about 35 months.₩11.1B

12/12AmendedEco&Dream Worth 15.1% of last year's revenue, over about 1 month.₩15.9B

12/12AmendedOpenedges Technology Worth 11.6% of last year's revenue, over about 36 months.₩600M

12/12AmendedDongsung Pharmaceutical Worth 8.8% of last year's revenue, over about 24 months.₩7.8B

12/12AmendedSamsung C&T Worth 8.6% of last year's revenue, over about 34 months.₩2.96T

12/12AmendedKCC Engineering & Construction Worth 7.7% of last year's revenue, over about 90 months.₩146B

12/12AmendedSamsung Biologics Worth 7.5% of last year's revenue.₩40.3B

12/12AmendedSamsung Heavy Industries Worth 5.9% of last year's revenue, over about 36 months.₩392B

12/12Dongbu Worth 5.9% of last year's revenue, over about 29 months.₩98.9B

12/12Samsung C&T Worth 3.7% of last year's revenue, over about 54 months.₩1.54T

Insider trades 42

12/12Penetrium Bioscience Insider ownership report

12/12Harim Holdings Insider ownership report

12/12Ajusteel Insider ownership report

12/12Dilli Illustrate Inc.,Insider ownership report

12/12A Plus Asset Advisor Insider ownership report

12/12Simpac Insider ownership report

12/12Dilli Illustrate Inc.,Insider ownership report

12/12Softcen Insider ownership report

12/12Macromill Embrain Insider ownership report

12/12Sungwon Ener Tech Insider ownership report

12/12Secern AI Insider ownership report

12/12KakaoBank Insider ownership report

12/12BCnC Insider ownership report

12/12Sungwon Ener Tech Insider ownership report

12/12KakaoBank Insider ownership report

12/12Sungwon Ener Tech Insider ownership report

12/12Korean AIR Lines Insider ownership report

12/12Fescaro Insider ownership report

12/12KakaoBank Insider ownership report

12/12Korean AIR Lines Insider ownership report

12/12Ictk Insider ownership report

12/12Sungwon Ener Tech Insider ownership report

12/12Ictk Insider ownership report

12/12Fescaro Insider ownership report

12/12Unick Insider ownership report

12/12Curexo Insider ownership report

12/12Kyochon Food&beverage Insider ownership report

12/12Joyworks&Insider ownership report

12/12SJM Holdings Insider ownership report

12/12Corestemchemon Insider ownership report

12/12Joyworks&Insider ownership report

12/12Nuriplan Insider ownership report

12/12Global SM Tech Insider ownership report

12/12Kinx Insider ownership report

12/12Taesung Insider ownership report

All insider trades →

5% holders 38

12/12Below 5%Dilli Illustrate Inc.,A major holder's stake fell from 36.76% to 0.00%.0.00%

12/12New 5%Kiwoom Hero No.1 Special Purpose Acquisition Company A major holder's stake rose from 0.00% to 9.81% (new report).9.81%

12/12New 5%Moonbae Steel A major holder's stake rose from 0.00% to 9.44%.9.44%

12/12New 5%Isupetasys A major holder's stake rose from 0.00% to 5.38% (new report).5.38%

12/12BCnC A major holder's stake fell from 57.65% to 52.65% (pledge).52.65%

12/12HD Construction Equipment A major holder's stake rose from 36.18% to 41.06% (pledge).41.06%

12/12Woongjin Thinkbig A major holder's stake rose from 62.86% to 66.83% (related-party change).66.83%

12/12TAIHAN Fiberoptics A major holder's stake fell from 21.81% to 18.10% (pledge).18.10%

12/12Nuriplan A major holder's stake rose from 26.64% to 30.27% (conversion/exercise).30.27%

12/12AmendedSungwon Ener Tech A major holder's stake rose from 44.28% to 47.48% (rights offering).47.48%

12/12QuantaMatrix Incorporated A major holder's stake fell from 33.05% to 30.52%.30.52%

12/12Joyworks&A major holder's stake rose from 13.03% to 14.69% (open-market buy).14.69%

12/12Hans Biomed A major holder's stake fell from 25.18% to 23.95%.23.95%

12/12Unick A major holder's stake rose from 38.63% to 39.72%.39.72%

12/12SJM Holdings A major holder's stake rose from 61.70% to 62.67% (gift).62.67%

12/12Softcen A major holder's stake fell from 16.93% to 15.99% (open-market buy).15.99%

12/12Samg Entertainment A major holder's stake fell from 23.70% to 22.86% (open-market buy).22.86%

12/12Dilli Illustrate Inc.,A major holder's stake fell from 37.49% to 36.76% (open-market sale).36.76%

12/12Ilwoul GML A major holder's stake rose from 43.71% to 44.36%.44.36%

12/12N Citron A major holder's stake fell from 11.21% to 10.68%.10.68%

12/12Taesung A major holder's stake rose from 30.70% to 30.99% (open-market buy).30.99%

12/12Inveni A major holder's stake fell from 42.84% to 42.78% (related-party change).42.78%

12/12Kyochon Food&beverage A major holder's stake rose from 69.42% to 69.43% (related-party change).69.43%

12/12JS Link A major holder's stake rose from 29.34% to 29.35% (open-market buy).29.35%

12/12Dilli Illustrate Inc.,Report of 5%+ holding

12/12Sungwon Ener Tech Report of 5%+ holding

12/12Anapass A major holder's stake rose from 15.16% to 15.16%.15.16%

12/12Ictk A major holder's stake rose from 21.50% to 21.50% (stock option).21.50%

12/12Korea Pharma A major holder's stake rose from 64.09% to 64.09% (pledge).64.09%

12/12Ahn-Gook Pharmaceutical A major holder's stake rose from 48.22% to 48.22%.48.22%

12/12HD Hyundai A major holder's stake rose from 37.19% to 37.19% (pledge).37.19%

12/12SNT Dynamics A major holder's stake rose from 45.28% to 45.28% (conversion/exercise).45.28%

12/12SNTEnergy A major holder's stake rose from 59.13% to 59.13% (conversion/exercise).59.13%

12/12B2En A major holder's stake rose from 37.56% to 37.56%.37.56%

12/12Samyoung M-Tek C0 A major holder's stake rose from 12.18% to 12.18% (pledge).12.18%

12/12DongwonDevelopment A major holder's stake rose from 65.78% to 65.78% (pledge).65.78%

12/12Korea Line A major holder's stake rose from 48.81% to 48.81% (related-party change).48.81%

12/12Samick Musical Instruments A major holder's stake rose from 45.05% to 45.05% (pledge).45.05%

Buybacks 11

12/12TrustTokai Carbon Korea Ended a share buyback trust contract.₩50B

12/12CancellationTokai Carbon Korea Cancels 495,584 sh, 4.24% of shares issued, on Dec 19.495,584 sh

12/12DisposalHyundai Mobis Plans to dispose of 46,898 sh of treasury stock, Dec 24 to Dec 24.₩16.9B

12/12CancellationSangsangin Cancels 1,200,048 sh, 2.12% of shares issued, on Dec 29.1,200,048 sh

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

12/12DisposalNara Cellar Plans to dispose of 400,000 sh of treasury stock, Dec 15 to Dec 15.₩932M

12/12DisposalPangrim Plans to dispose of 120,008 sh of treasury stock, Jan 5 to Jan 6.₩706.8M

12/12DisposalSuheung Plans to dispose of 17,000 sh of treasury stock, Dec 15 to Dec 17.₩368.1M

12/12DisposalGC MediAI Plans to dispose of 39,459 sh of treasury stock, Dec 13 to Dec 31.₩154.3M

12/12UNID btplus Treasury stock disposal

12/12Cell Bio Human Tech Treasury stock disposal

Share issues & bonds 13

12/12CJ CGV Capital reduction

12/12KB Star Reit Rights offering

12/12AmendedARIBIO Holdings Convertible bond issue

12/12Korea Advanced Materials Bonus issue

12/12AmendedEcoGlow Convertible bond issue

12/12Autech Bond with warrants issue

12/12AmendedKainos Medicine Rights offering

12/12AmendedInvenia Rights offering

12/12Hydro Lithium Rights offering

12/12Cell Bio Human Tech Exchangeable bond issue

M&A & spin-offs 4

12/12AmendedTera Science Stake acquisition/disposal

12/12AmendedEcoGlow Business transfer

12/12AmendedDaekyo Merger

12/12AmendedFocus AI Stake acquisition/disposal

Exchange actions 5

12/12AmendedKainos Medicine Exchange

12/12Korea Advanced Materials Bonus issue

12/12Kainos Medicine Exchange

12/12HiDeep Spin-off / split

12/12Daegu Department Store Exchange inquiry