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Key filings, May 27, 2026

386 filings · 8 highlights

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ContractDeviceKOSDAQ

Contract value

₩26.4B

Of revenue

31.4%

Worth 31.4% of last year's revenue, over about 7 months.

2026-05-20 – 2026-12-20

Company filings →Original (Korean) ↗

ContractEcoeyeKOSDAQ

Contract value

₩8.4B

Of revenue

27.1%

Worth 27.1% of last year's revenue, over about 2 months.

2026-05-26 – 2026-07-15

Company filings →Original (Korean) ↗

ContractLasersselKOSDAQ

Contract value

₩895M

Of revenue

19.1%

Worth 19.1% of last year's revenue, over about 9 months.

2026-05-26 – 2027-02-23

Company filings →Original (Korean) ↗

5% holderNew 5%MakinaRocksKOSDAQ

Stake

33.56%

Change

+33.56pp

A major holder's stake rose from 0.00% to 33.56%.

Company filings →Original (Korean) ↗

5% holderNew 5%SocarKOSPI

Stake

13.52%

Change

+13.52pp

A major holder's stake rose from 0.00% to 13.52% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%Woosung MaterialsKOSPI

Stake

7.66%

Change

+7.66pp

A major holder's stake rose from 0.00% to 7.66% (new report).

Company filings →Original (Korean) ↗

IssuanceRights offeringFocus AIKOSDAQ

Raising

₩8B

Dilution

12.8%

Issuing 4,149,377 sh of new shares, equal to 12.8% of existing shares.

Company filings →Original (Korean) ↗

M&AADforusKOSDAQ

Deal value

₩5.5B

Of total assets

11.5%

A ₩5.5B deal, equal to 11.5% of total assets.

Company filings →Original (Korean) ↗

Supply contracts 23

5/27AmendedSapien Semiconductors Worth 84% of last year's revenue, over about 26 months.₩14.5B

5/27AmendedWoowon Development Worth 44.7% of last year's revenue, over about 49 months.₩87.7B

5/27AmendedUnison Worth 42.2% of last year's revenue, over about 133 months.₩17.2B

5/27Device Worth 31.4% of last year's revenue, over about 7 months.₩26.4B

5/27Ecoeye Worth 27.1% of last year's revenue, over about 2 months.₩8.4B

5/27AmendedWoowon Development Worth 26.7% of last year's revenue, over about 61 months.₩52.4B

5/27AmendedWoowon Development Worth 25.5% of last year's revenue, over about 64 months.₩80.7B

5/27AmendedOpenedges Technology Worth 23.5% of last year's revenue, over about 36 months.₩2.4B

5/27AmendedWavus Worth 20.5% of last year's revenue, over about 24 months.₩14.4B

5/27Laserssel Worth 19.1% of last year's revenue, over about 9 months.₩895M

5/27Neosem Worth 18.1% of last year's revenue, over about 5 months.₩11.5B

5/27AmendedCaelum Worth 16.1% of last year's revenue, over about 30 months.₩13.9B

5/27AmendedHansung Cleantech Worth 10.8% of last year's revenue, over about 14 months.₩16.7B

5/27AmendedBHI Worth 10.4% of last year's revenue, over about 57 months.₩42B

5/27Wavus Worth 10.2% of last year's revenue, over about 24 months.₩7.2B

5/27Itcenentec Worth 8.4% of last year's revenue, over about 24 months.₩47.9B

5/27Mirae Worth 7% of last year's revenue, over about 13 months.₩3.6B

5/27Pharmicell Worth 6.1% of last year's revenue, over about 2 months.₩7B

5/27SK biopharmaceuticals Worth 5.9% of last year's revenue, over about 1 month.₩41.6B

5/27AmendedSeondo Electric Worth 5.4% of last year's revenue, over about 20 months.₩2.3B

5/27Samsung Heavy Industries Worth 3.6% of last year's revenue, over about 29 months.₩381B

5/27Samsung Heavy Industries Worth 3.2% of last year's revenue, over about 42 months.₩342B

5/27Samsung Heavy Industries Worth 2.6% of last year's revenue, over about 22 months.₩278B

Insider trades 70

5/27Haesung DS Insider ownership report

5/27MakinaRocks Insider ownership report

5/27Socar Insider ownership report

5/27Gigalane Insider ownership report

5/27HB Technology Insider ownership report

5/27Krafton Insider ownership report

5/27MakinaRocks Insider ownership report

5/27Youngpoong Insider ownership report

5/27Justem.Insider ownership report

5/27AmendedLabGenomics.Insider ownership report

5/27Youngpoong Insider ownership report

5/27Justem.Insider ownership report

5/27Woojin Insider ownership report

5/27iFamilySC Co,.Insider ownership report

5/27Spigen Korea Insider ownership report

5/27Justem.Insider ownership report

5/27Simpac Insider ownership report

5/27Justem.Insider ownership report

5/27Yuanta Securities Korea Insider ownership report

5/27Raon Robotics Insider ownership report

5/27Wonik Cube Insider ownership report

5/27HCT Insider ownership report

5/27MFC Insider ownership report

5/27Welcron Hantec Insider ownership report

5/27SCL Science Insider ownership report

5/27Welcron Hantec Insider ownership report

5/27Aroot Insider ownership report

5/27HL Holdings Insider ownership report

5/27MeatBox Global Insider ownership report

5/27ImmuneOncia Therapeutics Insider ownership report

5/27Gradiant Insider ownership report

5/27Hanbit Soft Insider ownership report

5/27Dongkuk Industries Company Insider ownership report

5/27EOFlow Insider ownership report

5/27e-future.Insider ownership report

5/27Becu AI Insider ownership report

5/27LabGenomics.Insider ownership report

5/27MakinaRocks Insider ownership report

All insider trades →

5% holders 54

5/27New 5%MakinaRocks A major holder's stake rose from 0.00% to 33.56%.33.56%

5/27New 5%Socar A major holder's stake rose from 0.00% to 13.52% (new report).13.52%

5/27New 5%Woosung Materials A major holder's stake rose from 0.00% to 7.66% (new report).7.66%

5/27New 5%Global Tax Free A major holder's stake rose from 0.00% to 5.26% (new report).5.26%

5/27New 5%Protec Mems Technology A major holder's stake rose from 4.29% to 5.16%.5.16%

5/27Gigalane A major holder's stake fell from 27.52% to 17.09% (related-party change).17.09%

5/27New 5%Hotel Shilla A major holder's stake rose from 4.96% to 5.20% (new report).5.20%

5/27ImmuneOncia Therapeutics A major holder's stake fell from 67.37% to 57.23% (rights offering).57.23%

5/27New 5%Robostar A major holder's stake rose from 4.93% to 5.06%.5.06%

5/27Below 5%Genome&Company A major holder's stake fell from 6.81% to 2.91% (open-market sale).2.91%

5/27Daelim Trading A major holder's stake fell from 68.51% to 65.03% (pledge).65.03%

5/27Below 5%Genome&Company A major holder's stake fell from 6.53% to 4.30% (conversion/exercise).4.30%

5/27Justem.A major holder's stake fell from 30.90% to 28.92%.28.92%

5/27Kt&g A major holder's stake rose from 7.12% to 8.61%.8.61%

5/27IL A major holder's stake fell from 22.49% to 21.16%.21.16%

5/27DigitalChosun A major holder's stake rose from 29.40% to 30.41% (open-market buy).30.41%

5/27Castec Korea A major holder's stake rose from 34.75% to 35.62%.35.62%

5/27Youngpoong A major holder's stake rose from 55.64% to 56.29% (related-party change).56.29%

5/27Aroot A major holder's stake rose from 17.87% to 18.47% (open-market buy).18.47%

5/27YMT A major holder's stake rose from 35.33% to 35.86% (stock option).35.86%

5/27Becu AI A major holder's stake rose from 34.36% to 34.68% (open-market buy).34.68%

5/27MFC A major holder's stake rose from 40.70% to 40.97% (open-market buy).40.97%

5/27Point Mobile A major holder's stake rose from 58.10% to 58.36% (open-market buy).58.36%

5/27Harim Holdings A major holder's stake rose from 50.26% to 50.46% (pledge).50.46%

5/27Krafton A major holder's stake fell from 38.33% to 38.13% (open-market sale).38.13%

5/27Vina Tech A major holder's stake rose from 30.08% to 30.23% (stock option).30.23%

5/27AmendedISU Chemical A major holder's stake rose from 37.63% to 37.74%.37.74%

5/27L&F A major holder's stake fell from 22.29% to 22.22% (pledge).22.22%

5/27Welcron Hantec A major holder's stake rose from 34.68% to 34.75% (related-party change).34.75%

5/27Corentec A major holder's stake fell from 21.14% to 21.07% (pledge).21.07%

5/27e-future.A major holder's stake rose from 28.64% to 28.70% (open-market buy).28.70%

5/27HDC Holdings A major holder's stake rose from 42.49% to 42.53% (open-market buy).42.53%

5/27Intergis A major holder's stake rose from 55.23% to 55.27% (related-party change).55.27%

5/27DY A major holder's stake rose from 43.63% to 43.64%.43.64%

5/27Misto Holdings A major holder's stake rose from 40.68% to 40.69% (share lending).40.69%

5/27National Plastic Company A major holder's stake rose from 58.29% to 58.29% (pledge).58.29%

5/27Ecopro A major holder's stake rose from 25.54% to 25.54% (pledge).25.54%

5/27Hanchang Paper A major holder's stake rose from 40.11% to 40.11% (pledge).40.11%

5/27EcoGlow A major holder's stake rose from 25.11% to 25.11% (pledge).25.11%

5/27Doosan Enerbility A major holder's stake rose from 30.68% to 30.68%.30.68%

All 5% holders →

Buybacks 6

5/27TrustDaeryukCan Signed a ₩3B trust contract to buy back shares.₩3B

5/27TrustSecuve Signed a ₩2B trust contract to buy back shares.₩2B

5/27DisposalHB Technology Plans to dispose of 840,000 sh of treasury stock, May 27 to Mar 28.₩1.8B

5/27TrustNew Kids On Ended a share buyback trust contract.₩1B

5/27DisposalTplex Plans to dispose of 138,990 sh of treasury stock, May 28 to Aug 28.₩508M

5/27Mirae Asset Venture Investment Share cancellation

Share issues & bonds 11

5/27AmendedCBGMI Venture Conversion price ₩500; if all converted, equal to 29.8% of shares outstanding.₩20B

5/27Rights offeringFocus AI Issuing 4,149,377 sh of new shares, equal to 12.8% of existing shares.₩8B

5/27CBBitmax Conversion price ₩2,636; if all converted, equal to 5% of shares outstanding.₩1.5B

5/27Ilji Technology Rights offering

5/27AmendedDynamic solution Convertible bond issue

5/27Edge Foundry Convertible bond issue

5/27AmendedMoadata Convertible bond issue

5/27AmendedPenetrium Bioscience Rights offering

5/27AmendedAdbiotech Rights offering

5/27AmendedDmoa Rights offering

5/27AmendedXplus Rights offering

M&A & spin-offs 5

5/27ADforus A ₩5.5B deal, equal to 11.5% of total assets.₩5.5B

5/27AmendedHuons Global Merger

5/27AmendedHuons Merger

5/27AmendedEM-Tech.Merger

5/27GC Biopharma Stake acquisition/disposal

Key filings, May 27, 2026

Supply contracts 23

Insider trades 70

5% holders 54

Buybacks 6

Share issues & bonds 11

M&A & spin-offs 5

Exchange actions 11