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Key filings, September 18, 2026

439 filings · 3 highlights

← September 17, 2026 September 21, 2026 →

ContractLS Marine SolutionKOSDAQ

Contract value

₩157B

Of revenue

64.2%

Worth 64.2% of last year's revenue, over about 24 months.

2026-09-17 – 2028-09-06

Company filings →Original (Korean) ↗

ContractST PharmKOSDAQ

Contract value

₩91.3B

Of revenue

27.5%

Worth 27.5% of last year's revenue, over about 14 months.

2026-09-18 – 2027-11-22

Company filings →Original (Korean) ↗

ContractDong-A PharmaceuticalKOSPI

Contract value

₩91.3B

Of revenue

27.5%

Worth 27.5% of last year's revenue, over about 14 months.

2026-09-18 – 2027-11-22

Company filings →Original (Korean) ↗

Supply contracts 22

9/18LS Marine Solution Worth 64.2% of last year's revenue, over about 24 months.₩157B

9/18AmendedEcoSimplex Worth 49.7% of last year's revenue, over about 9 months.₩9B

9/18ST Pharm Worth 27.5% of last year's revenue, over about 14 months.₩91.3B

9/18Dong-A Pharmaceutical Worth 27.5% of last year's revenue, over about 14 months.₩91.3B

9/18AmendedHD-Hyundai Marine Engine Worth 19.2% of last year's revenue, over about 36 months.₩34.4B

9/18AmendedHyosung Itx Worth 18.4% of last year's revenue, over about 39 months.₩94B

9/18AmendedNamkwang Engineering & Construction Worth 16.5% of last year's revenue.₩58.8B

9/18AmendedTuksuConstruction Worth 13.8% of last year's revenue, over about 24 months.₩32.1B

9/18AmendedDexter studios Worth 12.8% of last year's revenue, over about 18 months.₩6.9B

9/18Nexa Dynamics Worth 12.2% of last year's revenue, over about 12 months.₩1.6B

9/18AmendedDohwa Engineering Worth 8.1% of last year's revenue, over about 91 months.₩44.9B

9/18AmendedNaurobotics Worth 6.4% of last year's revenue, over about 6 months.₩800M

9/18HDC Holdings Worth 5.6% of last year's revenue.₩232B

9/18Ipark Hyundai Development Company Worth 5.6% of last year's revenue.₩232B

9/18Dhautonex Worth 5.5% of last year's revenue, over about 3 months.₩2.2B

9/18AmendedGS Engineering & Construction Worth 5.1% of last year's revenue, over about 51 months.₩658B

9/18AmendedGS Engineering & Construction Worth 5.1% of last year's revenue, over about 51 months.₩658B

9/18AmendedSamsung C&T Worth 4.3% of last year's revenue, over about 141 months.₩1.33T

9/18Daewoo Engineering & Construction Worth 3.6% of last year's revenue.₩291B

9/18AmendedHJ Shipbuilding & Construction Worth 3.4% of last year's revenue.₩60.1B

9/18AmendedDAE HWA Pharm Supply contract terminated

9/18Studio Dragon Single sales/supply contract

Insider trades 74

9/18Bookook Securities Insider ownership report

9/18Mirae Asset Venture Investment Insider ownership report

9/18Mirae Asset Securities Insider ownership report

9/18Gencurix Insider ownership report

9/18Hyungji Elite Insider ownership report

9/18Welkeeps Hitech Insider ownership report

9/18Jooyontech Insider ownership report

9/18SK D&D Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Gencurix Insider ownership report

9/18Genolution Insider ownership report

9/18HLB Global Insider ownership report

9/18Ecopro BM Insider ownership report

9/18KX Hitech Insider ownership report

9/18EugeneTechnology Insider ownership report

9/18Genolution Insider ownership report

9/18Lithium-for-earth Insider ownership report

9/18FSN Insider ownership report

9/18WiSoL Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18From Bio Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18DAE Dong Steel Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18DAE Dong Steel Insider ownership report

9/18kakaopay Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18Ecopro BM Insider ownership report

9/18GemVax & KAEL Insider ownership report

9/18Ecopro BM Insider ownership report

All insider trades →

5% holders 43

9/18Kolon TissueGene Report of 5%+ holding

9/18Sinjin SM Report of 5%+ holding

9/18Jooyontech Report of 5%+ holding

9/18Hanwha Systems Report of 5%+ holding

9/18Miwon Holdings Report of 5%+ holding

9/18Seobu T&D Report of 5%+ holding

9/18Lotte Tour Development Report of 5%+ holding

9/18Bookook Securities Report of 5%+ holding

9/18National Plastic Company Report of 5%+ holding

9/18LF Report of 5%+ holding

9/18Kolon Report of 5%+ holding

9/18Finger Report of 5%+ holding

9/18Dongil Industries Report of 5%+ holding

9/18WiSoL Report of 5%+ holding

9/18FSN Report of 5%+ holding

9/18From Bio Report of 5%+ holding

9/18Aroot Report of 5%+ holding

9/18DAE Dong Steel Report of 5%+ holding

9/18Hwail Pharm Report of 5%+ holding

9/18Binex Report of 5%+ holding

9/18AmendedOscotec Report of 5%+ holding

9/18Kukjeon Report of 5%+ holding

9/18Mobidays Report of 5%+ holding

9/18Daegu Department Store Report of 5%+ holding

9/18Doosan Report of 5%+ holding

9/18Almac Report of 5%+ holding

9/18L&C BIO Report of 5%+ holding

9/18Dowooinsys Report of 5%+ holding

9/18Miwon Chemicals Report of 5%+ holding

9/18Kanaph Therapeutics Report of 5%+ holding

9/18Unick Report of 5%+ holding

9/18Hwail Pharm Report of 5%+ holding

9/18BK Holdings Report of 5%+ holding

9/18Satoshi Holdings Report of 5%+ holding

9/18Camus Engineering & Construction Report of 5%+ holding

9/18Hecto Innovation Report of 5%+ holding

9/18Korea No.16 Special Purpose Acquisition Report of 5%+ holding

9/18Fine M-Tec Report of 5%+ holding

9/18Silicon 2 Report of 5%+ holding

9/18Remed Report of 5%+ holding

All 5% holders →

Buybacks 9

9/18CU Tech Share cancellation

9/18INFOvine Share cancellation

9/18Handsome Share cancellation

9/18Advanced Nano Products Treasury stock disposal

9/18Exem Treasury stock acquisition

9/18Shinhung Treasury stock acquisition

9/18Samjin LND Company Buyback trust ended

9/18Hytc Treasury stock disposal

9/18Handsome Treasury stock acquisition

Share issues & bonds 13

9/18CJ CGV Capital reduction

9/18AmendedWoosung Materials Rights offering

9/18AmendedTHE Codi Rights offering

9/18AmendedTHE Codi Rights offering

9/18AmendedWoosung Materials Rights offering

9/18AmendedWoosung Materials Rights offering

9/18AmendedKyung NAM Pharm Rights offering

9/18AmendedNC&Rights offering

9/18AmendedKespion Rights offering

9/18AmendedSatoshi Holdings Rights offering

9/18AmendedMsdi Rights offering

9/18AmendedInsan Rights offering

9/18AmendedSAMBO Industrial Rights offering

M&A & spin-offs 8

9/18AmendedKeyang Electric Machinery Tangible asset deal

9/18Episode Company Stake acquisition/disposal

9/18Keyang Electric Machinery Tangible asset deal

9/18Kyobo 16 Special Purpose Acquisition Company Merger

9/18SM Kukil Merger

9/18AmendedCosmecca Korea Merger

9/18Kornic Automation Tangible asset deal

9/18AmendedKumyang Spin-off / split

Exchange actions 18