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Key filings, March 12, 2026

1,788 filings · 12 highlights

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ContractFaduKOSDAQ

Contract value

₩22.7B

Of revenue

52.1%

Worth 52.1% of last year's revenue, over about 6 months.

2026-03-11 – 2026-09-11

Company filings →Original (Korean) ↗

ContractHankuk CarbonKOSPI

Contract value

₩185B

Of revenue

24.9%

Worth 24.9% of last year's revenue, over about 37 months.

2026-03-12 – 2029-03-31

Company filings →Original (Korean) ↗

ContractMiraeKOSPI

Contract value

₩6.2B

Of revenue

22.9%

Worth 22.9% of last year's revenue, over about 4 months.

2026-03-12 – 2026-07-25

Company filings →Original (Korean) ↗

5% holderNew 5%ESteemKOSDAQ

Stake

47.34%

Change

+47.34pp

A major holder's stake rose from 0.00% to 47.34% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%KbankKOSPI

Stake

9.22%

Change

+9.22pp

A major holder's stake rose from 0.00% to 9.22% (open-market sale).

Company filings →Original (Korean) ↗

5% holderNew 5%KbankKOSPI

Stake

5.36%

Change

+5.36pp

A major holder's stake rose from 0.00% to 5.36% (new report).

Company filings →Original (Korean) ↗

BuybackCancellationKorean Reinsurance CompanyKOSPI

Shares cancelled

18,100,000 sh

Of shares issued

9.29%

Cancels 18,100,000 sh, 9.29% of shares issued, on Mar 31.

Company filings →Original (Korean) ↗

BuybackTrustNamyang Dairy ProductsKOSPI

Trust size

₩20B

Signed a ₩20B trust contract to buy back shares.

Company filings →Original (Korean) ↗

BuybackCancellationWiSoLKOSDAQ

Shares cancelled

952,380 sh

Of shares issued

3.58%

Cancels 952,380 sh, 3.58% of shares issued.

Company filings →Original (Korean) ↗

IssuanceCapital reductionIokenmKOSDAQ

Reduction

90%

Capital reduction of 90%.

Company filings →Original (Korean) ↗

IssuanceCapital reductionArootKOSDAQ

Reduction

83.3%

Capital reduction of 83.3%.

Company filings →Original (Korean) ↗

IssuanceCapital reductionFantagioKOSDAQ

Reduction

80%

Capital reduction of 80%.

Company filings →Original (Korean) ↗

Supply contracts 17

3/12AmendedDypnf Worth 75.3% of last year's revenue, over about 19 months.₩108B

3/12Fadu Worth 52.1% of last year's revenue, over about 6 months.₩22.7B

3/12AmendedSamil C&S Worth 37.2% of last year's revenue.₩83.4B

3/12Hankuk Carbon Worth 24.9% of last year's revenue, over about 37 months.₩185B

3/12Mirae Worth 22.9% of last year's revenue, over about 4 months.₩6.2B

3/12AmendedNamkwang Engineering & Construction Worth 19.2% of last year's revenue, over about 64 months.₩45.3B

3/12AmendedSphere Worth 15.4% of last year's revenue, over about 3 months.₩394.4M

3/12AmendedSoosan Industries Worth 15% of last year's revenue, over about 120 months.₩45.4B

3/12AmendedCOTS Technology Worth 14% of last year's revenue, over about 14 months.₩7.2B

3/12AmendedTotal Soft Bank Worth 13.3% of last year's revenue, over about 23 months.₩2.8B

3/12Nsys Worth 11.6% of last year's revenue, over about 9 months.₩7.3B

3/12Dukshinepc Worth 10.6% of last year's revenue, over about 34 months.₩15.6B

3/12HD-Hyundai Marine Engine Worth 10.6% of last year's revenue, over about 26 months.₩33.5B

3/12Yjlink Worth 8.5% of last year's revenue, over about 16 months.₩4.1B

3/12Hankuk Carbon Worth 5.8% of last year's revenue, over about 28 months.₩43B

3/12Orbitech Worth 5% of last year's revenue, over about 36 months.₩3.3B

3/12Samsung C&T Worth 3.3% of last year's revenue, over about 54 months.₩1.38T

Preliminary earnings 2

3/12AmendedSilicon 2 Operating profit ₩42.4B, up 59.4% YoY. Revenue ₩306B, up 76.3% YoY.₩42.4B

3/12AmendedISU Chemical Preliminary operating results

Insider trades 60

3/12Hankook & Company Insider ownership report

3/12Kbank Insider ownership report

3/12Pims Insider ownership report

3/12Welkeeps Hitech Insider ownership report

3/12Pims Insider ownership report

3/12Vivozon Pharmaceutical Insider ownership report

3/12Samsung C&T Insider ownership report

3/12Pims Insider ownership report

3/12Daesung Industrial Insider ownership report

3/12Coway Insider ownership report

3/12ESteem Insider ownership report

3/12CXI Healthcare Technology Group Insider ownership report

3/12Fadu Insider ownership report

3/12ESteem Insider ownership report

3/12IL Insider ownership report

3/12ESteem Insider ownership report

3/12Hybe Insider ownership report

3/12Jeongmoon Information Insider ownership report

3/12Hybe Insider ownership report

3/12Vivozon Pharmaceutical Insider ownership report

3/12Woori Technology Investment Insider ownership report

3/12GemVax & KAEL Insider ownership report

3/12Hyundai Glovis Insider ownership report

3/12Nobland International Insider ownership report

3/12Samhyun Insider ownership report

3/12Shinsung E&G Insider ownership report

3/12SM Entertainment Insider ownership report

3/12Acryl Insider ownership report

3/12SM Entertainment Insider ownership report

3/12Amendeddotmill Insider ownership report

3/12AmendedAcryl Insider ownership report

3/12SM Entertainment Insider ownership report

3/12dotmill Insider ownership report

3/12AmendedAcryl Insider ownership report

3/12Daejin Advanced Materials Insider ownership report

3/12Egis Insider ownership report

All insider trades →

5% holders 49

3/12New 5%ESteem A major holder's stake rose from 0.00% to 47.34% (new report).47.34%

3/12New 5%Kbank A major holder's stake rose from 0.00% to 9.22% (open-market sale).9.22%

3/12New 5%Kbank A major holder's stake rose from 0.00% to 5.36% (new report).5.36%

3/12New 5%DaejooElectronicMaterials A major holder's stake rose from 0.00% to 5.19% (new report).5.19%

3/12New 5%Neowiz A major holder's stake rose from 0.00% to 5.19% (new report).5.19%

3/12New 5%SFA Nexel A major holder's stake rose from 0.00% to 5.15% (new report).5.15%

3/12New 5%Oscotec A major holder's stake rose from 0.00% to 5.14% (new report).5.14%

3/12New 5%Kbank A major holder's stake rose from 0.00% to 5.13% (open-market sale).5.13%

3/12New 5%HLB A major holder's stake rose from 0.00% to 5.09% (new report).5.09%

3/12New 5%Fine Semitech A major holder's stake rose from 0.00% to 5.06% (new report).5.06%

3/12New 5%Tokai Carbon Korea A major holder's stake rose from 0.00% to 5.04% (new report).5.04%

3/12New 5%Hyundai Bioscience A major holder's stake rose from 0.00% to 5.01% (new report).5.01%

3/12CXI Healthcare Technology Group A major holder's stake rose from 7.68% to 22.17% (stock option).22.17%

3/12Moadata A major holder's stake rose from 5.57% to 13.96% (conversion/exercise).13.96%

3/12Vivozon Pharmaceutical A major holder's stake fell from 38.36% to 32.22% (rights offering).32.22%

3/12Russell A major holder's stake fell from 47.11% to 41.95% (open-market buy).41.95%

3/12Egis A major holder's stake fell from 65.12% to 62.11% (stock option).62.11%

3/12DMS A major holder's stake rose from 30.67% to 33.12% (related-party change).33.12%

3/12Irem A major holder's stake fell from 16.12% to 13.92%.13.92%

3/12Milae Bioresources A major holder's stake fell from 52.00% to 50.69% (open-market buy).50.69%

3/12Gaeasoft A major holder's stake rose from 5.13% to 6.14%.6.14%

3/12Innotena A major holder's stake rose from 44.99% to 45.81% (related-party change).45.81%

3/12Mgen Solutions A major holder's stake fell from 19.45% to 18.71% (pledge).18.71%

3/12Billions A major holder's stake rose from 58.68% to 59.38% (conversion/exercise).59.38%

3/12Remed A major holder's stake rose from 35.22% to 35.89% (pledge).35.89%

3/12AmendedTaekwang Industrial A major holder's stake fell from 5.69% to 5.04%.5.04%

3/12Makus A major holder's stake fell from 9.71% to 9.07%.9.07%

3/12Pims A major holder's stake rose from 42.61% to 43.04% (related-party change).43.04%

3/12Daejin Advanced Materials A major holder's stake fell from 23.52% to 23.21% (related-party change).23.21%

3/12MKElectron A major holder's stake fell from 36.15% to 35.95%.35.95%

3/12Acryl A major holder's stake fell from 25.03% to 24.89% (open-market buy).24.89%

3/12IL A major holder's stake fell from 22.76% to 22.67% (conversion/exercise).22.67%

3/12GemVax & KAEL A major holder's stake fell from 25.76% to 25.69% (open-market sale).25.69%

3/12Coway Report of 5%+ holding

3/12Kolmar Holdings A major holder's stake rose from 48.43% to 48.43% (pledge).48.43%

3/12Namyang Dairy Products A major holder's stake rose from 63.16% to 63.16%.63.16%

3/12CXI Healthcare Technology Group Report of 5%+ holding

3/12DY Power A major holder's stake rose from 38.52% to 38.52% (related-party change).38.52%

3/12Penetrium Bioscience A major holder's stake rose from 37.17% to 37.17% (pledge).37.17%

3/12DY A major holder's stake rose from 43.63% to 43.63% (related-party change).43.63%

All 5% holders →

Buybacks 15

3/12CancellationKorean Reinsurance Company Cancels 18,100,000 sh, 9.29% of shares issued, on Mar 31.18,100,000 sh

3/12TrustNamyang Dairy Products Signed a ₩20B trust contract to buy back shares.₩20B

3/12DisposalDaesung Industrial Plans to dispose of 1,248,687 sh of treasury stock, Mar 31 to Apr 27.₩10.6B

3/12CancellationWiSoL Cancels 952,380 sh, 3.58% of shares issued.952,380 sh

3/12TrustWiSoL Signed a ₩7B trust contract to buy back shares.₩7B

3/12AmendedTrustChosun Welding Pohang Ended a share buyback trust contract.₩5B

3/12TrustSilicon 2 Ended a share buyback trust contract.₩5B

3/12CancellationSuprema HQ Cancels 523,591 sh, 5.07% of shares issued, on Mar 25.523,591 sh

3/12TrustHitejinro Holdings Ended a share buyback trust contract.₩1.5B

3/12AmendedSuprema HQ Buyback

3/12Daeduck Share cancellation

3/12Daeduck Buyback trust contract

3/12AmendedCS Holdings Buyback trust ended

3/12AmendedThe LEAD Treasury stock disposal

3/12AmendedSuprema HQ Treasury stock disposal

Share issues & bonds 17

3/12Capital reductionIokenm Capital reduction of 90%.90%

3/12Capital reductionAroot Capital reduction of 83.3%.83.3%

3/12Capital reductionFantagio Capital reduction of 80%.80%

3/12Rights offeringKoas Issuing 538,788 sh of new shares, equal to 4.6% of existing shares.₩1000M

3/12Rights offeringLaserssel Issuing 312,849 sh of new shares, equal to 2.4% of existing shares.₩1.4B

3/12AmendedMOA Life Plus Rights offering

3/12Vina Tech Convertible bond issue

3/12NanoSilikhan Advanced Materials Convertible bond issue

3/12JOL Capital reduction

3/12AmendedDmoa Rights offering

3/12THE Codi Rights offering

3/12AmendedTera Science Rights offering

3/12AmendedARIBIO Holdings Convertible bond issue

3/12AmendedChinyang Poly Urethane Rights offering

3/12KR Motors Convertible bond issue

3/12Hyulim A-Tech Rights offering

M&A & spin-offs 2

3/12AmendedOA A ₩22.5B deal, equal to 33.1% of total assets.₩22.5B

3/12AmendedTovis Spin-off / split

Exchange actions 7

3/12SLSBio(Specialty Lab Solution Bio)Exchange

3/12JOL Trading halt

3/12Fantagio Trading halt

3/12Aroot Trading halt

3/12Iokenm Trading halt

3/12DYP Unfaithful disclosure

3/12Lotte Non-Life Insurance Exchange inquiry