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Key filings, April 9, 2026

447 filings · 6 highlights

← April 8, 2026 April 10, 2026 →

ContractDavolinkKOSDAQ

Contract value

₩25.7B

Of revenue

40.6%

Worth 40.6% of last year's revenue, over about 15 months.

2026-04-08 – 2027-06-30

Company filings →Original (Korean) ↗

ContractDong-Ah Geological Engineering CompanyKOSPI

Contract value

₩67.6B

Of revenue

14.5%

Worth 14.5% of last year's revenue, over about 25 months.

2026-04-01 – 2028-04-20

Company filings →Original (Korean) ↗

ContractWotKOSDAQ

Contract value

₩2B

Of revenue

13.2%

Worth 13.2% of last year's revenue, over about 8 months.

2026-04-08 – 2026-12-02

Company filings →Original (Korean) ↗

5% holderNew 5%Bowon ChemicalKOSDAQ

Stake

54.36%

Change

+54.36pp

A major holder's stake rose from 0.00% to 54.36%.

Company filings →Original (Korean) ↗

5% holderNew 5%InventeraKOSDAQ

Stake

41.61%

Change

+41.61pp

A major holder's stake rose from 0.00% to 41.61% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%Wemade PlayKOSDAQ

Stake

36.96%

Change

+36.96pp

A major holder's stake rose from 0.00% to 36.96%.

Company filings →Original (Korean) ↗

Supply contracts 12

4/9Davolink Worth 40.6% of last year's revenue, over about 15 months.₩25.7B

4/9AmendedSTraffic Worth 15.3% of last year's revenue, over about 60 months.₩21B

4/9Dong-Ah Geological Engineering Company Worth 14.5% of last year's revenue, over about 25 months.₩67.6B

4/9Wot Worth 13.2% of last year's revenue, over about 8 months.₩2B

4/9Mercury Worth 12.1% of last year's revenue, over about 15 months.₩14.9B

4/9Amendeddotmill Worth 9.6% of last year's revenue, over about 6 months.₩2.3B

4/93billion Worth 8.2% of last year's revenue, over about 8 months.₩954.5M

4/9AmendedHanshin Construction Worth 6.3% of last year's revenue, over about 79 months.₩82.9B

4/9Sebo Manufacturing Engineering Worth 5.8% of last year's revenue, over about 12 months.₩41.5B

4/9Hanshin Construction Worth 4.4% of last year's revenue.₩51.1B

4/9Hanwha Ocean Worth 3.1% of last year's revenue, over about 45 months.₩393B

4/9AmendedDawonsys Supply contract terminated

Preliminary earnings 4

4/9T&R Biofab Preliminary operating results

4/9GwangjuShinsegae.Preliminary operating results

4/9Shinsegae Preliminary operating results

4/9E-Mart Preliminary operating results

Insider trades 94

4/9Hyundaimarine&fireinsurance Insider ownership report

4/9DSR Insider ownership report

4/9Hyundaimarine&fireinsurance Insider ownership report

4/9STX Green Logis Insider ownership report

4/9Hyundaimarine&fireinsurance Insider ownership report

4/9Egtronics Insider ownership report

4/9MIRAE ASSET Life Insurance Insider ownership report

4/9Sungho Electronics Insider ownership report

4/9Sejong Telecom Insider ownership report

4/9Seoyon Insider ownership report

4/9Mirae Insider ownership report

4/9MIRAE ASSET Life Insurance Insider ownership report

4/9DSR Wire Insider ownership report

4/9Robotis Insider ownership report

4/9Inventera Insider ownership report

4/9Intellian Technologies Insider ownership report

4/9iM Financial Group Insider ownership report

4/9YM Insider ownership report

4/9KB Balhae Infrastructure Fund Insider ownership report

4/9LS Electric Insider ownership report

4/9Dongsung Chemical Insider ownership report

4/9Dongkuk Coated Metal Insider ownership report

4/9Dongsung Chemical Insider ownership report

4/9Kmpharmaceutical Insider ownership report

4/9Dongsung Chemical Insider ownership report

4/9SK Securities Insider ownership report

4/9Dongsung Chemical Insider ownership report

4/9Dongkuk Steel Mill Insider ownership report

4/9SK Securities Insider ownership report

4/9Bowon Chemical Insider ownership report

4/9Dongsung Chemical Insider ownership report

All insider trades →

5% holders 92

4/9New 5%Bowon Chemical A major holder's stake rose from 0.00% to 54.36%.54.36%

4/9New 5%Inventera A major holder's stake rose from 0.00% to 41.61% (new report).41.61%

4/9New 5%Wemade Play A major holder's stake rose from 0.00% to 36.96%.36.96%

4/9Below 5%Wemade Play A major holder's stake fell from 38.28% to 0.00%.0.00%

4/9Below 5%Rftech A major holder's stake fell from 17.77% to 0.00% (conversion/exercise).0.00%

4/9New 5%Bowon Chemical A major holder's stake rose from 0.00% to 6.21% (open-market sale).6.21%

4/9New 5%Inventera A major holder's stake rose from 0.00% to 5.91%.5.91%

4/9MIRAE ASSET Life Insurance A major holder's stake rose from 65.53% to 81.43% (related-party change).81.43%

4/9New 5%Lunit A major holder's stake rose from 0.00% to 5.48% (new report).5.48%

4/9New 5%Bowon Chemical A major holder's stake rose from 0.00% to 5.41%.5.41%

4/9New 5%Mgen Solutions A major holder's stake rose from 0.00% to 5.16% (conversion/exercise).5.16%

4/9New 5%LX Semicon A major holder's stake rose from 0.00% to 5.06% (new report).5.06%

4/9New 5%DB HiTek A major holder's stake rose from 0.00% to 5.05% (new report).5.05%

4/9New 5%BioSmart A major holder's stake rose from 4.64% to 5.07% (pledge).5.07%

4/9New 5%SELVAS Healthcare A major holder's stake rose from 4.70% to 5.12% (pledge).5.12%

4/9New 5%Itek A major holder's stake rose from 4.66% to 5.01% (pledge).5.01%

4/9New 5%SY Steel Tech A major holder's stake rose from 4.72% to 5.00% (pledge).5.00%

4/9STX Green Logis A major holder's stake fell from 46.05% to 37.18%.37.18%

4/9Mirae A major holder's stake rose from 32.32% to 40.40% (rights offering).40.40%

4/9Asicland A major holder's stake fell from 35.92% to 28.02% (pledge).28.02%

4/9Below 5%Mgen Solutions A major holder's stake fell from 5.16% to 0.00% (conversion/exercise).0.00%

4/9Below 5%Dae Myoung Energy A major holder's stake fell from 9.22% to 4.61% (conversion/exercise).4.61%

4/9Below 5%KEC Holdings A major holder's stake fell from 6.30% to 1.72% (conversion/exercise).1.72%

4/9Daol Investment & Securities A major holder's stake rose from 25.25% to 29.00%.29.00%

4/9Dongkuk Coated Metal A major holder's stake rose from 33.64% to 37.35% (related-party change).37.35%

4/9Dongkuk Steel Mill A major holder's stake rose from 33.71% to 37.41% (related-party change).37.41%

4/9Sejong Telecom A major holder's stake rose from 65.00% to 68.40%.68.40%

4/9Below 5%HeunguOil A major holder's stake fell from 4.94% to 1.75% (pledge).1.75%

4/9Koramco Life Infra Reit A major holder's stake rose from 6.39% to 9.19%.9.19%

4/9Hanshin Construction A major holder's stake rose from 5.65% to 8.31%.8.31%

4/9UIL A major holder's stake rose from 50.85% to 53.26% (related-party change).53.26%

4/9KB Star Reit A major holder's stake rose from 5.52% to 7.87% (rights offering).7.87%

4/9Below 5%DL E&C A major holder's stake fell from 6.72% to 4.67% (open-market sale).4.67%

4/9Rznomics A major holder's stake fell from 9.45% to 7.51%.7.51%

4/9Knowmerce A major holder's stake rose from 6.06% to 7.88%.7.88%

4/9Below 5%MKElectron A major holder's stake fell from 6.10% to 4.43%.4.43%

4/9Below 5%Oscotec A major holder's stake fell from 5.74% to 4.20%.4.20%

4/9MOA Life Plus A major holder's stake fell from 19.18% to 17.89% (pledge).17.89%

4/9Below 5%SEC A major holder's stake fell from 5.06% to 3.77% (pledge).3.77%

4/9Below 5%Jeju Semiconductor A major holder's stake fell from 5.01% to 3.86% (pledge).3.86%

All 5% holders →

Buybacks 8

4/9TrustHaein Ended a share buyback trust contract.₩5B

4/9TrustKorea Export Packaging Industrial Ended a share buyback trust contract.₩4B

4/9DisposalIntellian Technologies Plans to dispose of 5,703 sh of treasury stock, Apr 10 to Apr 13.₩468M

4/9DisposalAekyung Chemical Plans to dispose of 5,972 sh of treasury stock, Apr 9 to May 8.₩55.9M

4/9AmendedNuvotec Share cancellation

4/9Moatech Share cancellation

4/9AK Holdings Treasury stock disposal

4/9AmendedKB Financial Group Share cancellation

Share issues & bonds 13

4/9Rights offeringSAMBO Industrial Issuing 1,086,957 sh of new shares, equal to 6.6% of existing shares.₩1B

4/9Osung Advanced Materials Rights offering

4/9THE E&M Convertible bond issue

4/9AmendedAstory Convertible bond issue

4/9AmendedMirae Rights offering

4/9AmendedTera Science Rights offering

4/9AmendedDHX Company Convertible bond issue

4/9AmendedBillions Convertible bond issue

4/9AmendedBillions Rights offering

4/9Protec Mems Technology Rights offering

4/9AmendedDongsung Pharmaceutical Capital reduction

4/9AmendedDongsung Pharmaceutical Rights offering

4/9Com2uS N Capital reduction

M&A & spin-offs 9

4/9AmendedOsung Advanced Materials Business transfer

4/9AmendedParataxis Korea Merger

4/9Bifido Tangible asset deal

4/9IMT Tangible asset deal

4/9AmendedTera Science Stake acquisition/disposal

4/9AmendedTera Science Tangible asset deal

4/9AmendedAekyung Industrial Merger

4/9Aekyung Industrial Merger

4/9Com2uS N Merger

Key filings, April 9, 2026

Supply contracts 12

Preliminary earnings 4

Insider trades 94

5% holders 92

Buybacks 8

Share issues & bonds 13

M&A & spin-offs 9

Exchange actions 21