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Key filings, March 17, 2026

762 filings · 8 highlights

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ContractGreen LifescienceKOSDAQ

Contract value

₩14B

Of revenue

56.4%

Worth 56.4% of last year's revenue, over about 9 months.

2026-03-17 – 2026-12-31

Company filings →Original (Korean) ↗

ContractSeojin SystemKOSDAQ

Contract value

₩270B

Of revenue

22.3%

Worth 22.3% of last year's revenue, over about 21 months.

2026-03-17 – 2027-12-31

Company filings →Original (Korean) ↗

ContractHanla IMSKOSDAQ

Contract value

₩18.3B

Of revenue

17.5%

Worth 17.5% of last year's revenue, over about 36 months.

2026-03-17 – 2029-03-30

Company filings →Original (Korean) ↗

5% holderNew 5%Kanaph TherapeuticsKOSDAQ

Stake

38.69%

Change

+38.69pp

A major holder's stake rose from 0.00% to 38.69%.

Company filings →Original (Korean) ↗

5% holderNew 5%MiraeING.KOSPI

Stake

31.40%

Change

+31.40pp

A major holder's stake rose from 0.00% to 31.40%.

Company filings →Original (Korean) ↗

5% holderNew 5%Skonec EntertainmentKOSDAQ

Stake

22.90%

Change

+22.90pp

A major holder's stake rose from 0.00% to 22.90% (conversion/exercise).

Company filings →Original (Korean) ↗

BuybackTrustDong-Ah Geological Engineering CompanyKOSPI

Trust size

₩7.5B

Signed a ₩7.5B trust contract to buy back shares.

Company filings →Original (Korean) ↗

IssuanceCBSmart Radar SystemKOSDAQ

Issue size

₩25B

If all converted

18.3%

Conversion price ₩6,795; if all converted, equal to 18.3% of shares outstanding.

Company filings →Original (Korean) ↗

Supply contracts 18

3/17Green Lifescience Worth 56.4% of last year's revenue, over about 9 months.₩14B

3/17AmendedSphere Worth 51.3% of last year's revenue, over about 10 months.₩1.3B

3/17AmendedFadu Worth 24.1% of last year's revenue, over about 6 months.₩10.5B

3/17Seojin System Worth 22.3% of last year's revenue, over about 21 months.₩270B

3/17Hanla IMS Worth 17.5% of last year's revenue, over about 36 months.₩18.3B

3/17AmendedKorea Line Worth 14% of last year's revenue, over about 180 months.₩276B

3/17Atec Worth 12.7% of last year's revenue, over about 10 months.₩5.9B

3/17Daehan Shipbuilding Worth 12.4% of last year's revenue, over about 43 months.₩133B

3/17Celltrion Worth 8.3% of last year's revenue, over about 46 months.₩295B

3/17Mirae Worth 8.3% of last year's revenue, over about 1 month.₩2.2B

3/17AmendedHanshin Construction Worth 7.6% of last year's revenue, over about 60 months.₩118B

3/17TES Worth 7.5% of last year's revenue, over about 5 months.₩26.5B

3/17AmendedHansung Cleantech Worth 4.1% of last year's revenue, over about 18 months.₩15B

3/17AmendedHJ Shipbuilding & Construction Worth 3.5% of last year's revenue, over about 120 months.₩57.5B

3/17AmendedDL Holdings Worth 3% of last year's revenue, over about 38 months.₩228B

3/17AmendedDL E&C Worth 3% of last year's revenue, over about 38 months.₩228B

3/17Shinsung E&G Worth 1.6% of last year's revenue, over about 11 months.₩9.5B

3/17AmendedPenetrium Bioscience Single sales/supply contract

Insider trades 56

3/17Aimed Bio Insider ownership report

3/17JNK Global Insider ownership report

3/17Davolink Insider ownership report

3/17Daelim Trading Insider ownership report

3/17e-future.Insider ownership report

3/17Kanaph Therapeutics Insider ownership report

3/17Hanmi Pharm.Insider ownership report

3/17Hannong Chemicals Insider ownership report

3/17Korea Refractories Insider ownership report

3/17Opticis Insider ownership report

3/17Hanwha Insider ownership report

3/17MIRAE ASSET Life Insurance Insider ownership report

3/17Kanaph Therapeutics Insider ownership report

3/17T3 Entertainment Insider ownership report

3/17Kanaph Therapeutics Insider ownership report

3/17HanaMicron Insider ownership report

3/17Phionx Insider ownership report

3/17SM Life Design Group Insider ownership report

3/17Hanwha Vision Insider ownership report

3/17Hyundai Elevator Insider ownership report

3/17Hankuk Carbon Insider ownership report

3/17KEM Tech Insider ownership report

3/17Soosan Industries Insider ownership report

3/17Gaon Cable Insider ownership report

3/17LG CNS Insider ownership report

3/17iM Financial Group Insider ownership report

3/17Lotte Innovate Insider ownership report

3/17Valofe Insider ownership report

3/17Lotte Innovate Insider ownership report

All insider trades →

5% holders 35

3/17New 5%Kanaph Therapeutics A major holder's stake rose from 0.00% to 38.69%.38.69%

3/17New 5%MiraeING.A major holder's stake rose from 0.00% to 31.40%.31.40%

3/17New 5%Skonec Entertainment A major holder's stake rose from 0.00% to 22.90% (conversion/exercise).22.90%

3/17New 5%Phionx A major holder's stake rose from 0.00% to 10.00% (rights offering).10.00%

3/17New 5%BL Pharmtech A major holder's stake rose from 0.00% to 9.21% (conversion/exercise).9.21%

3/17Daelim Trading A major holder's stake fell from 72.73% to 68.52%.68.52%

3/17Below 5%GnBS e A major holder's stake fell from 5.98% to 2.71%.2.71%

3/17Aimed Bio A major holder's stake fell from 13.29% to 10.59% (open-market sale).10.59%

3/17CU Medical Systems A major holder's stake rose from 28.39% to 30.93%.30.93%

3/17T3 Entertainment A major holder's stake rose from 34.13% to 36.58% (open-market buy).36.58%

3/17K-Top Reits A major holder's stake rose from 10.78% to 12.18%.12.18%

3/17KEM Tech A major holder's stake fell from 22.26% to 20.96% (pledge).20.96%

3/17Ecocab A major holder's stake rose from 32.11% to 32.71% (pledge).32.71%

3/17Chobi A major holder's stake fell from 55.13% to 54.56% (related-party change).54.56%

3/17HLB innoVation A major holder's stake fell from 38.03% to 37.49% (open-market buy).37.49%

3/17VitzroSys.A major holder's stake fell from 15.66% to 15.15%.15.15%

3/17HanWool Materials Science A major holder's stake fell from 15.07% to 14.72% (share lending).14.72%

3/17Hotel Shilla National Pension Service's stake fell from 7.02% to 6.75%.6.75%

3/17Amorepacific National Pension Service's stake fell from 8.47% to 8.42%.8.42%

3/17VC A major holder's stake rose from 36.10% to 36.15% (open-market buy).36.15%

3/17HLB Panagene A major holder's stake rose from 20.34% to 20.38% (related-party change).20.38%

3/17Seojin System A major holder's stake fell from 36.69% to 36.66% (related-party change).36.66%

3/17HLB Therapeutics A major holder's stake rose from 15.90% to 15.93% (open-market buy).15.93%

3/17e-future.A major holder's stake rose from 28.62% to 28.64% (open-market buy).28.64%

3/17Toptec Company A major holder's stake rose from 42.55% to 42.57% (open-market buy).42.57%

3/17CR Holdings A major holder's stake rose from 71.35% to 71.35% (pledge).71.35%

3/17Chosun Refractories A major holder's stake rose from 80.17% to 80.17% (pledge).80.17%

3/17KoMi A major holder's stake rose from 41.10% to 41.10% (pledge).41.10%

3/17Daou Technology A major holder's stake rose from 47.28% to 47.28% (pledge).47.28%

3/17Hannong Chemicals A major holder's stake rose from 48.21% to 48.21% (related-party change).48.21%

3/17Huneed Technologies A major holder's stake rose from 22.83% to 22.83%.22.83%

3/17Macrogen A major holder's stake rose from 20.17% to 20.17%.20.17%

3/17HanWool Semiconductor A major holder's stake rose from 35.95% to 35.95% (share lending).35.95%

3/17Hanon Systems A major holder's stake rose from 65.38% to 65.38% (open-market buy).65.38%

3/17Asterasys A major holder's stake rose from 46.12% to 46.12% (pledge).46.12%

Buybacks 10

3/17TrustDong-Ah Geological Engineering Company Signed a ₩7.5B trust contract to buy back shares.₩7.5B

3/17TrustDong-Ah Geological Engineering Company Ended a share buyback trust contract.₩7.5B

3/17BuybackSamhyun Plans to buy back 62,434 sh of treasury stock, Mar 18 to Jun 17.₩3B

3/17TrustHojeon Ended a share buyback trust contract.₩2.5B

3/17DisposalVessel Plans to dispose of 39,542 sh of treasury stock, Mar 17 to Jun 16.₩43.2M

3/17PJ Electronics Share cancellation

3/17Asia Holdings Share cancellation

3/17Asia Cement Share cancellation

3/17Asia Paper Manufacturing Share cancellation

3/17AmendedDisposalThe LEAD Treasury stock disposal

Share issues & bonds 19

3/17CBSmart Radar System Conversion price ₩6,795; if all converted, equal to 18.3% of shares outstanding.₩25B

3/17AmendedRights offeringInventage Lab Issuing 579,150 sh of new shares, equal to 4.4% of existing shares.₩52.7B

3/17AmendedCBKR Motors Conversion price ₩500; if all converted, equal to 3.7% of shares outstanding.₩2.5B

3/17AmendedCBKR Motors Conversion price ₩500; if all converted, equal to 1.5% of shares outstanding.₩1B

3/17AmendedKEM Tech Convertible bond issue

3/17AmendedDaiyang Metal Convertible bond issue

3/17AmendedSecuLetter Rights offering

3/17AmendedSungwon Ener Tech Rights offering

3/17AmendedTHE Codi Rights offering

3/17AmendedSecuLetter Rights offering

3/17AmendedDaejin Advanced Materials Convertible bond issue

3/17AmendedDavolink Rights offering

3/17AmendedLunit Bonus issue

3/17N Citron Capital reduction

3/17AmendedARIBIO Holdings Convertible bond issue

3/17AmendedMsdi Rights offering

3/17AmendedMsdi Convertible bond issue

3/17AmendedMsdi Rights offering

3/17AmendedBlue Industrial Development Capital reduction

M&A & spin-offs 3

3/17AmendedShinhan 12th Special Purpose Acquisition Company Merger

3/17Nexturn&rollkorea Tangible asset deal

3/17AmendedHyper Merger

Exchange actions 9

3/17KD Unfaithful disclosure

3/17EcoGlow Unfaithful disclosure

3/17Shinhan 12th Special Purpose Acquisition Company Merger

3/17AmendedDHX Company Administrative issue

3/17LabGenomics.Exchange inquiry

3/17N Citron Trading halt

3/17Dongkuk Holdings Unfaithful disclosure

3/17Woori Financial Group Exchange inquiry