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Key filings, March 23, 2026

1,602 filings · 8 highlights

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ContractSNT HoldingsKOSPI

Contract value

₩510B

Of revenue

83.1%

Worth 83.1% of last year's revenue, over about 33 months.

2026-03-23 – 2028-12-31

Company filings →Original (Korean) ↗

ContractSNT DynamicsKOSPI

Contract value

₩510B

Of revenue

83.1%

Worth 83.1% of last year's revenue, over about 33 months.

2026-03-23 – 2028-12-31

Company filings →Original (Korean) ↗

ContractE8KOSDAQ

Contract value

₩880M

Of revenue

38.5%

Worth 38.5% of last year's revenue, over about 10 months.

2026-03-16 – 2026-12-31

Company filings →Original (Korean) ↗

5% holderNew 5%Kanaph TherapeuticsKOSDAQ

Stake

5.81%

Change

+5.81pp

A major holder's stake rose from 0.00% to 5.81% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%CosmaxKOSPI

Stake

5.01%

Change

+5.01pp

A major holder's stake rose from 0.00% to 5.01% (new report).

Company filings →Original (Korean) ↗

5% holderAmosenKOSDAQ

Stake

59.53%

Change

-4.09pp

A major holder's stake fell from 63.62% to 59.53% (related-party change).

Company filings →Original (Korean) ↗

BuybackTrustSena TechnologiesKOSDAQ

Trust size

₩5B

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

Company filings →Original (Korean) ↗

M&AYounghwa TechKOSDAQ

Deal value

₩12.4B

Of total assets

10.5%

A ₩12.4B deal, equal to 10.5% of total assets.

Company filings →Original (Korean) ↗

Supply contracts 16

3/23AmendedSG Worth 84.1% of last year's revenue, over about 27 months.₩75.6B

3/23SNT Holdings Worth 83.1% of last year's revenue, over about 33 months.₩510B

3/23SNT Dynamics Worth 83.1% of last year's revenue, over about 33 months.₩510B

3/23E8 Worth 38.5% of last year's revenue, over about 10 months.₩880M

3/23AmendedRaontech Worth 35.2% of last year's revenue, over about 38 months.₩3.8B

3/23AmendedPolaris AI Handy Worth 34.9% of last year's revenue, over about 21 months.₩9.1B

3/23AmendedSD system Worth 25.8% of last year's revenue, over about 16 months.₩5.5B

3/23AmendedSphere Worth 16.5% of last year's revenue, over about 3 months.₩421.1M

3/23AmendedSFA Nexel Worth 13.8% of last year's revenue, over about 35 months.₩22B

3/23Asta Worth 13.1% of last year's revenue, over about 5 months.₩440.8M

3/23Daehan Shipbuilding Worth 12.4% of last year's revenue, over about 39 months.₩134B

3/23AmendedSamho Development Worth 9.8% of last year's revenue, over about 58 months.₩35.7B

3/23Samsung Heavy Industries Worth 7.8% of last year's revenue, over about 30 months.₩770B

3/23AmendedKCC Engineering & Construction Worth 6.5% of last year's revenue, over about 98 months.₩69.2B

3/23AmendedIlsung Construction Worth 6% of last year's revenue, over about 61 months.₩22.7B

3/23Neosem Worth 5.3% of last year's revenue, over about 6 months.₩5.6B

Insider trades 44

3/23Cheongbo Insider ownership report

3/23AmendedHyundai Motor Insider ownership report

3/23Seojin System Insider ownership report

3/23Chong Kun Dang Pharmaceutical Insider ownership report

3/23Seojin System Insider ownership report

3/23WISE iTech Insider ownership report

3/23KNW Insider ownership report

3/23Hecto Financial Insider ownership report

3/23Enbio Insider ownership report

3/23Hecto Financial Insider ownership report

3/23BCnC Insider ownership report

3/23Hecto Financial Insider ownership report

3/23Mintech Insider ownership report

3/23Hecto Financial Insider ownership report

3/23AmendedMekics Insider ownership report

3/23Hecto Financial Insider ownership report

3/23AmendedMekics Insider ownership report

3/23Hanjoo Light Metal Insider ownership report

3/23KakaoBank Insider ownership report

3/23Amosen Insider ownership report

3/23Hecto Financial Insider ownership report

3/23Amosen Insider ownership report

3/23Mekics Insider ownership report

3/23iWIN Insider ownership report

3/23Amosen Insider ownership report

3/23Hanjoo Light Metal Insider ownership report

3/23Kanaph Therapeutics Insider ownership report

3/23KSS Line Insider ownership report

3/23Kanaph Therapeutics Insider ownership report

3/23Mhethanol Insider ownership report

3/23Hwail Pharm Insider ownership report

3/23THE Nature Holdings Insider ownership report

3/23Samsung C&T Insider ownership report

3/23Shinwha Intertek Insider ownership report

3/23SSR Insider ownership report

3/23H&SHigh Tech Insider ownership report

All insider trades →

5% holders 33

3/23AmendedOncocross A major holder's stake fell from 61.02% to 32.75% (open-market buy).32.75%

3/23AmendedNew 5%Cheongbo A major holder's stake rose from 0.00% to 8.74% (open-market buy).8.74%

3/23New 5%Kanaph Therapeutics A major holder's stake rose from 0.00% to 5.81% (new report).5.81%

3/23New 5%Cosmax A major holder's stake rose from 0.00% to 5.01% (new report).5.01%

3/23Amosen A major holder's stake fell from 63.62% to 59.53% (related-party change).59.53%

3/23SSR A major holder's stake rose from 40.78% to 44.63% (open-market buy).44.63%

3/23BL Pharmtech A major holder's stake fell from 9.21% to 6.60% (conversion/exercise).6.60%

3/23Lskairobot A major holder's stake rose from 6.56% to 8.59% (open-market buy).8.59%

3/23KNW A major holder's stake rose from 67.83% to 69.03% (conversion/exercise).69.03%

3/23MeatBox Global A major holder's stake fell from 22.56% to 21.48% (related-party change).21.48%

3/23Nobland International A major holder's stake rose from 50.65% to 51.51% (related-party change).51.51%

3/23KMW A major holder's stake fell from 31.51% to 31.08% (pledge).31.08%

3/23Hecto Financial A major holder's stake rose from 40.62% to 41.03% (related-party change).41.03%

3/23Seojin System A major holder's stake fell from 36.66% to 36.28% (pledge).36.28%

3/23Miwon Specialty Chemical A major holder's stake fell from 73.84% to 73.58% (related-party change).73.58%

3/23Chong Kun Dang Pharmaceutical A major holder's stake rose from 39.93% to 40.15% (open-market buy).40.15%

3/23Miwon Commercial A major holder's stake fell from 61.28% to 61.16% (related-party change).61.16%

3/23Osangjaiel A major holder's stake rose from 37.71% to 37.82%.37.82%

3/23Hanjoo Light Metal A major holder's stake rose from 12.41% to 12.48% (open-market buy).12.48%

3/23AbClon A major holder's stake rose from 13.19% to 13.24% (gift).13.24%

3/23Miwon Chemicals A major holder's stake fell from 55.62% to 55.59% (related-party change).55.59%

3/23Nepes A major holder's stake rose from 27.30% to 27.30% (pledge).27.30%

3/23Chongkundang Holdings A major holder's stake rose from 47.97% to 47.97% (pledge).47.97%

3/23Hanmi Science A major holder's stake rose from 18.97% to 18.97% (pledge).18.97%

3/23Wemade A major holder's stake rose from 39.34% to 39.34% (pledge).39.34%

3/23ERCOHS Agricultural A major holder's stake rose from 75.45% to 75.45% (related-party change).75.45%

3/23Kolmar Holdings A major holder's stake rose from 48.43% to 48.43% (pledge).48.43%

3/23Samyoung M-Tek C0 A major holder's stake rose from 12.18% to 12.18% (pledge).12.18%

3/23Vivozon Pharmaceutical A major holder's stake rose from 32.22% to 32.22% (rights offering).32.22%

3/23Below 5%Cellumed A major holder's stake rose from 0.00% to 0.00% (pledge).0.00%

3/23Below 5%FreeT A major holder's stake rose from 0.00% to 0.00% (pledge).0.00%

3/23Almac A major holder's stake rose from 36.77% to 36.77% (pledge).36.77%

Buybacks 15

3/23TrustNamhae Chemical Ended a share buyback trust contract.₩7.6B

3/23TrustSena Technologies Signed a ₩5B trust contract to buy back shares.₩5B

3/23TrustJiransecurity Signed a ₩2B trust contract to buy back shares.₩2B

3/23TrustSSR Signed a ₩2B trust contract to buy back shares.₩2B

3/23Cafe24 Share cancellation

3/23Jiransecurity Share cancellation

3/23SSR Share cancellation

3/23PS Tec.Share cancellation

3/23Samyang Holdings Share cancellation

3/23Daechang Forging Share cancellation

3/23Korea Steel Share cancellation

3/23AmendedNaver Treasury stock disposal

Share issues & bonds 15

3/23AmendedCapital reductionCell Bio Human Tech Capital reduction of 0%.0%

3/23Ocean In W Capital reduction

3/23AmendedCarry Rights offering

3/23CXI Healthcare Technology Group Capital reduction

3/23AmendedEone Diagnomics Genome Center Rights offering

3/23AmendedEone Diagnomics Genome Center Capital reduction

3/23AmendedEone Diagnomics Genome Center Rights offering

3/23AmendedEco Volt Capital reduction

3/23AmendedMoadata Rights offering

3/23AmendedCheongbo Convertible bond issue

3/23Eone Diagnomics Genome Center Rights offering

3/23Eone Diagnomics Genome Center Capital reduction

3/23Lightron Fiber-Optic Devices Convertible bond issue

3/23AmendedSungwon Ener Tech Rights offering

M&A & spin-offs 6

3/23Younghwa Tech A ₩12.4B deal, equal to 10.5% of total assets.₩12.4B

3/23AmendedAniplus Merger

3/23AmendedTPC Stake acquisition/disposal

3/23AmendedDHX Company Tangible asset deal

3/23AmendedLogen Merger

3/23AmendedModa-InnoChips Merger

Exchange actions 61

3/23Hironic Trading halt

3/23Medicox Trading halt

3/23Medicox Exchange

3/23Enzychem Lifesciences Trading halt

3/23Enzychem Lifesciences Exchange

3/23J Steel Company Holdings Trading halt

3/23Dawonsys Exchange

3/23RollingStone Trading halt

3/23Dawonsys Trading halt

3/23J Steel Company Holdings Exchange

3/23Samyung ENC Exchange

3/23Tobesoft Exchange

3/23Tobesoft Trading halt

3/23Samyung ENC Trading halt

3/23RollingStone Exchange

3/23OptiCore Trading halt

3/23Jeil M&S Trading halt

3/23Jeil M&S Exchange

3/23Itoxi Exchange

3/23Itoxi Trading halt

3/23KD Exchange

3/23Kainos Medicine Exchange

3/23KD Trading halt

3/23Dragonfly GF Trading halt

3/23NKGen Biotech Korea Administrative issue

3/23OptiCore Exchange

3/23Carry Unfaithful disclosure

3/23Itoxi Trading halt

3/23Itoxi Exchange inquiry

3/23J Steel Company Holdings Trading halt

3/23J Steel Company Holdings Exchange inquiry

3/23OptiCore Trading halt

3/23OptiCore Exchange inquiry

3/23Enzychem Lifesciences Trading halt

3/23AmendedRollingStone Trading halt

3/23Enzychem Lifesciences Exchange inquiry

3/23RollingStone Exchange inquiry

3/23RollingStone Trading halt

All exchange actions →