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Key filings, August 21, 2026

498 filings · 3 highlights

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ContractDaechang SolutionKOSDAQ

Contract value

₩82.6B

Of revenue

138%

Worth 138% of last year's revenue, over about 67 months.

2026-08-21 – 2032-03-31

Company filings →Original (Korean) ↗

ContractInzi ControlsKOSPI

Contract value

₩476B

Of revenue

66.3%

Worth 66.3% of last year's revenue, over about 88 months.

2028-09-01 – 2035-12-31

Company filings →Original (Korean) ↗

ContractVirnectKOSDAQ

Contract value

₩899.4M

Of revenue

29%

Worth 29% of last year's revenue, over about 9 months.

2026-08-21 – 2027-05-31

Company filings →Original (Korean) ↗

Supply contracts 24

8/21Daechang Solution Worth 138% of last year's revenue, over about 67 months.₩82.6B

8/21Inzi Controls Worth 66.3% of last year's revenue, over about 88 months.₩476B

8/21AmendedSamho Development Worth 66.2% of last year's revenue, over about 53 months.₩210B

8/21Virnect Worth 29% of last year's revenue, over about 9 months.₩899.4M

8/21AmendedKorea Electronic Power Industrial Development Worth 23.8% of last year's revenue, over about 66 months.₩94B

8/21AmendedDx & Vx Worth 22.1% of last year's revenue, over about 36 months.₩10.3B

8/21AmendedTSI Worth 21.9% of last year's revenue, over about 38 months.₩32.5B

8/21AmendedHantech Worth 18.5% of last year's revenue, over about 23 months.₩28.8B

8/21AmendedDongshinEngineering&Construction Worth 18.4% of last year's revenue, over about 34 months.₩9.2B

8/21AmendedWoori Technology, In Worth 17.4% of last year's revenue, over about 60 months.₩8.6B

8/21AmendedWoojin I&S Worth 11.6% of last year's revenue, over about 16 months.₩16B

8/21AmendedHDC Holdings Worth 11% of last year's revenue.₩463B

8/21AmendedIpark Hyundai Development Company Worth 11% of last year's revenue.₩463B

8/21Sung Kwang Bend Worth 10.4% of last year's revenue, over about 8 months.₩25.5B

8/21HD-Hyundai Marine Engine Worth 10.1% of last year's revenue, over about 34 months.₩40.5B

8/21AmendedKUMHO Engineering & Construction Worth 9% of last year's revenue, over about 36 months.₩185B

8/21AmendedHDC Holdings Worth 7.8% of last year's revenue, over about 35 months.₩259B

8/21AmendedIpark Hyundai Development Company Worth 7.8% of last year's revenue, over about 35 months.₩259B

8/21AmendedDaewoo Engineering & Construction Worth 6.3% of last year's revenue, over about 48 months.₩736B

8/21Doosan Enerbility Worth 5.4% of last year's revenue, over about 31 months.₩928B

8/21CS Worth 5.4% of last year's revenue, over about 4 months.₩1.3B

8/21AmendedKC Cottrell Worth 2.8% of last year's revenue, over about 89 months.₩9.8B

8/21MNC Solution Worth 2% of last year's revenue, over about 23 months.₩8.3B

8/21AmendedPosco Future M Supply contract terminated

Insider trades 54

8/21Copus Korea Insider ownership report

8/21Raontech Insider ownership report

8/21Bookook Securities Insider ownership report

8/21AmendedSK hynix Insider ownership report

8/21Hugel Insider ownership report

8/21Dx & Vx Insider ownership report

8/21AmendedDx & Vx Insider ownership report

8/21YeSUN Tech Insider ownership report

8/21AmendedFocus AI Insider ownership report

8/21SK hynix Insider ownership report

8/21SK hynix Insider ownership report

8/21SK hynix Insider ownership report

8/21kakaopay Insider ownership report

8/21SK hynix Insider ownership report

8/21SK hynix Insider ownership report

8/21Spigen Korea Insider ownership report

8/21Cosmecca Korea Insider ownership report

8/21SK hynix Insider ownership report

8/21Nexus Insider ownership report

8/21YoungWoo DSP Insider ownership report

8/21SK hynix Insider ownership report

8/21Dreaminsight Insider ownership report

8/21Kumho HT Insider ownership report

8/21Celltrion Insider ownership report

8/21Jeonjinbio Insider ownership report

8/21YoungWoo DSP Insider ownership report

8/21Sensorview Insider ownership report

8/21Welcron Hantec Insider ownership report

8/21KSS Line Insider ownership report

8/21YeSUN Tech Insider ownership report

8/21Kbio Labs Insider ownership report

8/21iA Insider ownership report

8/21B2En Insider ownership report

8/21kt alpha Insider ownership report

8/21Vivien Insider ownership report

8/21Vivien Insider ownership report

8/21Vivien Insider ownership report

8/21Daewoong Pharma Insider ownership report

8/21K Auction Insider ownership report

8/21Agent AI Insider ownership report

All insider trades →

5% holders 46

8/21WebCash Report of 5%+ holding

8/21Raontech Report of 5%+ holding

8/21Bookook Securities Report of 5%+ holding

8/21G2gbio Report of 5%+ holding

8/21Mirae Report of 5%+ holding

8/21Insun Environmental NEW Technology Report of 5%+ holding

8/21Dentis Report of 5%+ holding

8/21Dx & Vx Report of 5%+ holding

8/21SG Report of 5%+ holding

8/21OE Solutions Report of 5%+ holding

8/21Genome&Company Report of 5%+ holding

8/21Shinwon Report of 5%+ holding

8/21YoungWoo DSP Report of 5%+ holding

8/21Dreaminsight Report of 5%+ holding

8/21Nexus Report of 5%+ holding

8/21INNOX Advanced Materials Report of 5%+ holding

8/21Cosmochemical Report of 5%+ holding

8/21Spigen Korea Report of 5%+ holding

8/21DB Finance No.13 Special Purpose Acquisition Report of 5%+ holding

8/21B2En Report of 5%+ holding

8/21Jeonjinbio Report of 5%+ holding

8/21MKElectron Report of 5%+ holding

8/21Aprogen Report of 5%+ holding

8/21Sanigen Report of 5%+ holding

8/21Aprogen Biologics Report of 5%+ holding

8/21Winpac Report of 5%+ holding

8/21Aptn Report of 5%+ holding

8/21Kbio Labs Report of 5%+ holding

8/21Aptn Report of 5%+ holding

8/21B2En Report of 5%+ holding

8/21KNS Space and Defence Report of 5%+ holding

8/21Great New wave Coming Report of 5%+ holding

8/21Camus Engineering & Construction Report of 5%+ holding

8/21Kumho HT Report of 5%+ holding

8/21CS Wind Report of 5%+ holding

8/21Virnect Report of 5%+ holding

8/21Booster Report of 5%+ holding

8/21Moda-InnoChips Report of 5%+ holding

8/21Agent AI Report of 5%+ holding

8/21Ecopro BM Report of 5%+ holding

All 5% holders →

Buybacks 5

8/21EuBiologics Share cancellation

8/21Coreline Soft Share cancellation

8/21Nobland International Treasury stock disposal

8/21Samsung Electronics Co,Treasury stock acquisition

8/21EuBiologics Buyback trust ended

Share issues & bonds 17

8/21CrowdWorks Rights offering

8/21SKC Rights offering

8/21AmendedSeoul Electronics & Telecom Rights offering

8/21Finger Convertible bond issue

8/21AmendedAdbiotech Convertible bond issue

8/21AmendedAdbiotech Convertible bond issue

8/21AmendedCSA Cosmic Rights offering

8/21AmendedCrowdWorks Rights offering

8/21AmendedHyulim A-Tech Rights offering

8/21AmendedNexturn&rollkorea Rights offering

8/21AmendedDavolink Convertible bond issue

8/21AmendedKespion Rights offering

8/21AmendedHLB Therapeutics Rights offering

8/21AmendedHLB Therapeutics Convertible bond issue

8/21AmendedHLB Therapeutics Convertible bond issue

8/21N2tech Convertible bond issue

8/21N2tech Convertible bond issue

M&A & spin-offs 12

8/21AmendedKX Innovation Merger

8/21Asiana Airlines Merger

8/21Hyundai Engineering & Construction Merger

8/21AmendedHanwha Galleria Tangible asset deal

8/21Finger Stake acquisition/disposal

8/21AmendedKX Innovation Merger

8/21Air Busan Merger

8/21JIN AIR Co,Merger

8/21AmendedRevu Stake acquisition/disposal

8/21Samsung SDI Stake acquisition/disposal

8/21Kakao Merger

8/21Kakao Spin-off / split

Exchange actions 12