Key filings, March 31, 2026

ContractDaehan ShipbuildingKOSPI

Contract value

₩276B

Of revenue

25.7%

Worth 25.7% of last year's revenue, over about 42 months.

2026-03-30 – 2029-09-30

ContractPlasmappKOSDAQ

Contract value

₩2.5B

Of revenue

24.7%

Worth 24.7% of last year's revenue, over about 12 months.

2026-03-30 – 2027-03-29

5% holderCSA CosmicKOSDAQ

Stake

41.08%

Change

+27.92pp

A major holder's stake rose from 13.16% to 41.08% (rights offering).

5% holderNew 5%NH Special Purpose Acquisition 33 CompanyKOSDAQ

Stake

11.56%

Change

+11.56pp

A major holder's stake rose from 0.00% to 11.56% (new report).

5% holderBelow 5%RftechKOSDAQ

Stake

0.00%

Change

-18.59pp

A major holder's stake fell from 18.59% to 0.00% (off-market sale).

BuybackBuybackFreeMsKOSDAQ

Planned buyback

₩5B

701,262 sh

Plans to buy back 701,262 sh of treasury stock, Apr 1 to Jun 30.

IssuanceRights offeringFreeTKOSPI

Raising

₩10B

Dilution

15.9%

Issuing 20,000,000 sh of new shares, equal to 15.9% of existing shares.

3/31W-Scope Chungju Plant Insider ownership report

Supply contracts 43

3/31AmendedSemyungElectricMachinery Worth 66.3% of last year's revenue, over about 11 months.₩9.6B

3/31AmendedSphere Worth 53.6% of last year's revenue, over about 11 months.₩1.4B

3/31AmendedLaserssel Worth 32.9% of last year's revenue, over about 10 months.₩1.3B

3/31AmendedTuksuConstruction Worth 32% of last year's revenue, over about 87 months.₩63.6B

3/31AmendedBosung Power Technology Worth 30.4% of last year's revenue, over about 8 months.₩23.5B

3/31HD Hyundai Energy Solutions Worth 30.3% of last year's revenue, over about 12 months.₩128B

3/31AmendedPeople & Technology Worth 29.9% of last year's revenue, over about 38 months.₩113B

3/31AmendedT-Robotics Worth 29.4% of last year's revenue, over about 44 months.₩16.7B

3/31Daehan Shipbuilding Worth 25.7% of last year's revenue, over about 42 months.₩276B

3/31Plasmapp Worth 24.7% of last year's revenue, over about 12 months.₩2.5B

3/31Telcoware Worth 21% of last year's revenue, over about 12 months.₩9.4B

3/31AmendedMX Robotics Worth 20.3% of last year's revenue, over about 93 months.₩14.7B

3/31SolDefen Worth 19.6% of last year's revenue, over about 45 months.₩4.3B

3/31AmendedT-Robotics Worth 18.4% of last year's revenue, over about 30 months.₩12.3B

3/31AmendedSamsung E&A Worth 16.7% of last year's revenue.₩1.77T

3/31AmendedSmart Radar System Worth 15.2% of last year's revenue, over about 11 months.₩720M

3/31AmendedNaintech.Worth 14.3% of last year's revenue, over about 34 months.₩12.7B

3/31Sammi Metal Products Worth 14.2% of last year's revenue, over about 24 months.₩10.8B

3/31IVIM Technology Worth 13.2% of last year's revenue, over about 2 months.₩470.5M

3/31AmendedHJ Shipbuilding & Construction Worth 12.9% of last year's revenue, over about 39 months.₩231B

3/31AmendedMaum.ai Worth 12.2% of last year's revenue, over about 8 months.₩950M

3/31AmendedSBB Tech Worth 12.1% of last year's revenue, over about 7 months.₩665.4M

3/31AmendedHanwha Ocean Worth 12% of last year's revenue.₩1.16T

3/31AmendedSkonec Entertainment Worth 11.8% of last year's revenue, over about 8 months.₩524M

3/31Kye-Ryong Construction Industrial Worth 11.8% of last year's revenue.₩369B

3/31Sensorview Worth 11.4% of last year's revenue, over about 35 months.₩1.8B

3/31AmendedNaintech.Worth 9.6% of last year's revenue, over about 34 months.₩8.5B

3/31AmendedSamil C&S Worth 7.6% of last year's revenue.₩16.9B

3/31Samhyun Worth 7.1% of last year's revenue, over about 38 months.₩7.1B

3/31Hanwha Systems Worth 6.5% of last year's revenue, over about 60 months.₩182B

3/31Telcoware Worth 6% of last year's revenue, over about 12 months.₩2.7B

3/31AmendedKolon Worth 5.8% of last year's revenue.₩276B

3/31AmendedKolonGlobal Worth 5.8% of last year's revenue.₩276B

3/31Amended4by4 Worth 5.4% of last year's revenue, over about 4 months.₩1.8B

3/31AmendedKorea Refractories Worth 5.3% of last year's revenue, over about 29 months.₩22B

3/31AmendedDevelopment Advance Solution Worth 5% of last year's revenue, over about 22 months.₩19.1B

3/31AmendedCS Bearing Worth 5% of last year's revenue, over about 38 months.₩2.4B

3/31AmendedDaewoo Engineering & Construction Worth 4% of last year's revenue.₩428B

3/31Shinsung E&G Worth 2.6% of last year's revenue, over about 12 months.₩15.2B

3/31AmendedSK ie technology Worth 0.9% of last year's revenue, over about 19 months.₩2.4B

All supply contracts →

Insider trades 97

3/31TS Insider ownership report

3/31Kt&g Insider ownership report

3/31TS Insider ownership report

3/31TS Insider ownership report

3/314by4 Insider ownership report

3/31Sewon Insider ownership report

3/31CSA Cosmic Insider ownership report

3/31Orbitech Insider ownership report

3/31Simpac Insider ownership report

3/31Posco Steeleon Insider ownership report

3/31Qurient Insider ownership report

3/31Orum Therapeutics Insider ownership report

3/31Qurient Insider ownership report