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Key filings, May 26, 2026

385 filings · 9 highlights

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ContractSeohanKOSDAQ

Contract value

₩155B

Of revenue

24.1%

Worth 24.1% of last year's revenue, over about 40 months.

2026-05-26 – 2029-09-25

Company filings →Original (Korean) ↗

ContractKorea Information Engineering ServicesKOSDAQ

Contract value

₩34.8B

Of revenue

23.8%

Worth 23.8% of last year's revenue, over about 5 months.

2026-05-26 – 2026-10-30

Company filings →Original (Korean) ↗

ContractGlobonKOSDAQ

Contract value

₩2.7B

Of revenue

21%

Worth 21% of last year's revenue, over about 5 months.

2026-05-25 – 2026-10-15

Company filings →Original (Korean) ↗

5% holderNew 5%TJ MediaKOSDAQ

Stake

54.81%

Change

+54.81pp

A major holder's stake rose from 0.00% to 54.81% (gift).

Company filings →Original (Korean) ↗

5% holderNew 5%KP Aero IndustriesKOSDAQ

Stake

51.33%

Change

+51.33pp

A major holder's stake rose from 0.00% to 51.33% (new report).

Company filings →Original (Korean) ↗

5% holderBelow 5%LOTTE rentalKOSPI

Stake

0.00%

Change

-56.17pp

A major holder's stake fell from 56.17% to 0.00%.

Company filings →Original (Korean) ↗

BuybackTrustC&C InternationalKOSDAQ

Trust size

₩5B

Signed a ₩5B trust contract to buy back shares.

Company filings →Original (Korean) ↗

M&AIlsung ConstructionKOSPI

Deal value

₩59.2B

Of total assets

15.6%

A ₩59.2B deal, equal to 15.6% of total assets.

Company filings →Original (Korean) ↗

M&ADS DansukKOSPI

Deal value

₩116B

Of total assets

15.3%

A ₩116B deal, equal to 15.3% of total assets.

Company filings →Original (Korean) ↗

Supply contracts 20

5/26AmendedSphere Worth 977% of last year's revenue, over about 16 months.₩25B

5/26AmendedSghealthcare Worth 78% of last year's revenue, over about 14 months.₩12.6B

5/26AmendedVictek Worth 25.1% of last year's revenue, over about 37 months.₩17.9B

5/26Seohan Worth 24.1% of last year's revenue, over about 40 months.₩155B

5/26Korea Information Engineering Services Worth 23.8% of last year's revenue, over about 5 months.₩34.8B

5/26Globon Worth 21% of last year's revenue, over about 5 months.₩2.7B

5/26YAS Worth 19.6% of last year's revenue, over about 9 months.₩6.8B

5/26Sensorview Worth 16.6% of last year's revenue, over about 28 months.₩3.1B

5/26IVIM Technology Worth 14.1% of last year's revenue, over about 5 months.₩617.4M

5/26Cenotec Worth 11.6% of last year's revenue, over about 7 months.₩4.1B

5/26Kye-Ryong Construction Industrial Worth 11.2% of last year's revenue, over about 34 months.₩324B

5/26Korea Information Engineering Services Worth 11.1% of last year's revenue, over about 1 month.₩16.2B

5/26Hanyang ENG Worth 10.9% of last year's revenue, over about 24 months.₩121B

5/26Yest Worth 9.5% of last year's revenue, over about 7 months.₩8.3B

5/26Vitzrocell Worth 8.4% of last year's revenue, over about 17 months.₩20.5B

5/26BHI Worth 7.4% of last year's revenue, over about 33 months.₩57.5B

5/26Woojin I&S Worth 7.2% of last year's revenue, over about 13 months.₩11.9B

5/26Sunic System Single sales/supply contract

5/26HDC Holdings Supply contract terminated

5/26Ipark Hyundai Development Company Supply contract terminated

Insider trades 79

5/26TBC Insider ownership report

5/26Hpsp Insider ownership report

5/26Neuromeka Insider ownership report

5/26Atec Mobility Insider ownership report

5/263billion Insider ownership report

5/26DaishinInformation Insider ownership report

5/263billion Insider ownership report

5/26DaishinInformation Insider ownership report

5/26Pureun Savings Bank Insider ownership report

5/26DaishinInformation Insider ownership report

5/26Lskairobot Insider ownership report

5/26DaishinInformation Insider ownership report

5/263billion Insider ownership report

5/26Lskairobot Insider ownership report

5/26Vina Tech Insider ownership report

5/26Lskairobot Insider ownership report

5/26Finger Insider ownership report

5/26Aroot Insider ownership report

5/26TJ Media Insider ownership report

5/26Union Korea Pharm Insider ownership report

5/26TJ Media Insider ownership report

5/26The Pinkfong Company Insider ownership report

5/26Sungho Electronics Insider ownership report

5/26Vina Tech Insider ownership report

5/26SFA Semicon Insider ownership report

5/26Korea Arlico Pharm Insider ownership report

5/26Justem.Insider ownership report

5/26Advanced Nano Products Insider ownership report

5/26Dongil Steelux Insider ownership report

5/26Korea Arlico Pharm Insider ownership report

5/26Vina Tech Insider ownership report

5/26Dongil Steelux Insider ownership report

5/26Justem.Insider ownership report

5/26Dongil Steelux Insider ownership report

All insider trades →

5% holders 55

5/26New 5%TJ Media A major holder's stake rose from 0.00% to 54.81% (gift).54.81%

5/26New 5%KP Aero Industries A major holder's stake rose from 0.00% to 51.33% (new report).51.33%

5/26Below 5%LOTTE rental A major holder's stake fell from 56.17% to 0.00%.0.00%

5/26Below 5%TJ Media A major holder's stake fell from 54.81% to 0.00% (gift).0.00%

5/26AmendedNew 5%Finger A major holder's stake rose from 0.00% to 44.37% (new report).44.37%

5/26New 5%Union Korea Pharm A major holder's stake rose from 0.00% to 15.87% (conversion/exercise).15.87%

5/26New 5%KP Aero Industries A major holder's stake rose from 0.00% to 9.02%.9.02%

5/26New 5%KP Aero Industries A major holder's stake rose from 0.00% to 8.72%.8.72%

5/26New 5%Finger A major holder's stake rose from 0.00% to 7.80%.7.80%

5/26New 5%Blue Industrial Development A major holder's stake rose from 0.00% to 7.77%.7.77%

5/26New 5%Abion A major holder's stake rose from 0.00% to 6.69% (pledge).6.69%

5/26New 5%Enjet A major holder's stake rose from 0.00% to 5.89% (new report).5.89%

5/26New 5%Wavice A major holder's stake rose from 0.00% to 5.16% (new report).5.16%

5/26Blue Industrial Development A major holder's stake rose from 23.38% to 33.63%.33.63%

5/26New 5%Itek A major holder's stake rose from 4.90% to 5.02%.5.02%

5/26Finger A major holder's stake rose from 44.37% to 53.06% (related-party change).53.06%

5/26LabGenomics.A major holder's stake fell from 30.93% to 24.21% (related-party change).24.21%

5/26THE E&M A major holder's stake fell from 18.49% to 13.36% (conversion/exercise).13.36%

5/26Gritee A major holder's stake rose from 39.53% to 41.23% (open-market buy).41.23%

5/26Valofe A major holder's stake fell from 7.77% to 6.38%.6.38%

5/26HLB Genex A major holder's stake fell from 42.24% to 40.93% (open-market buy).40.93%

5/26DaishinInformation A major holder's stake rose from 20.04% to 21.32% (related-party change).21.32%

5/26DASAN Networks A major holder's stake rose from 27.80% to 29.03% (open-market buy).29.03%

5/26LOTTE rental A major holder's stake rose from 6.20% to 7.33%.7.33%

5/26Korea Aerospace Industries A major holder's stake rose from 5.09% to 6.17%.6.17%

5/263billion A major holder's stake fell from 25.02% to 23.98% (stock option).23.98%

5/26DongKookPharmaceutical A major holder's stake fell from 44.99% to 43.96%.43.96%

5/26Below 5%Fantagio A major holder's stake fell from 5.02% to 4.02% (rights offering).4.02%

5/26Below 5%Shinsung E&G A major holder's stake fell from 5.33% to 4.36%.4.36%

5/26Unichem A major holder's stake rose from 20.58% to 21.33% (share lending).21.33%

5/26Samick Musical Instruments A major holder's stake rose from 46.06% to 46.78% (related-party change).46.78%

5/26K Auction A major holder's stake rose from 51.00% to 51.62% (open-market buy).51.62%

5/26Bellock A major holder's stake fell from 51.11% to 50.56% (stock option).50.56%

5/26Point Engineering A major holder's stake rose from 49.53% to 50.00% (open-market buy).50.00%

5/26Korea Arlico Pharm A major holder's stake fell from 39.44% to 39.05% (gift).39.05%

5/26Dongil Steelux A major holder's stake fell from 31.75% to 31.39% (related-party change).31.39%

5/26Becu AI A major holder's stake rose from 34.03% to 34.36% (gift).34.36%

5/26Vivozon Pharmaceutical A major holder's stake fell from 32.02% to 31.72% (conversion/exercise).31.72%

5/26Ilwoul GML A major holder's stake rose from 45.46% to 45.69%.45.69%

5/26Wavus A major holder's stake rose from 45.70% to 45.89% (open-market buy).45.89%

All 5% holders →

Buybacks 7

5/26TrustC&C International Signed a ₩5B trust contract to buy back shares.₩5B

5/26TrustGIS Ended a share buyback trust contract.₩1B

5/26TrustWooDeumGee Farm Signed a ₩1B trust contract to buy back shares.₩1B

5/26TrusteSANGNetworks Ended a share buyback trust contract.₩1B

5/26BuybackWOOREE E&L Haroutine Plans to buy back 1,326,259 sh of treasury stock, May 27 to Aug 26.₩1B

5/26Austem Share cancellation

5/26AmendedEnzychem Lifesciences Buyback trust contract

Share issues & bonds 15

5/26Rights offeringDYC Issuing 1,235,331 sh of new shares, equal to 6% of existing shares.₩2B

5/26AmendedRights offeringFoodnamoo Issuing 337,609 sh of new shares, equal to 1% of existing shares.₩1000M

5/26Aprogen Convertible bond issue

5/26AmendedHanwha Rights offering

5/26Aprogen Biologics Convertible bond issue

5/26AmendedUTI Convertible bond issue

5/26Hyulim ROBOT Rights offering

5/26AmendedMsdi Rights offering

5/26AmendedGeneOne Life Science Capital reduction

5/26AmendedEone Diagnomics Genome Center Rights offering

5/26AmendedEone Diagnomics Genome Center Capital reduction

5/26AmendedEone Diagnomics Genome Center Rights offering

5/26AmendedHanwha Solutions Rights offering

5/26AmendedPhionx Convertible bond issue

5/26AmendedCS Convertible bond issue

M&A & spin-offs 5

5/26Ilsung Construction A ₩59.2B deal, equal to 15.6% of total assets.₩59.2B

5/26DS Dansuk A ₩116B deal, equal to 15.3% of total assets.₩116B

5/26AmendedAniplus Merger

5/26AmendedDB Finance No.12 Special Purpose Acquisition Merger

5/26AmendedEM-Tech.Merger

Key filings, May 26, 2026

Supply contracts 20

Insider trades 79

5% holders 55

Buybacks 7

Share issues & bonds 15

M&A & spin-offs 5

Exchange actions 15