Key filings, March 5, 2026

ContractHD Korea Shipbuilding & Offshore EngineeringKOSPI

Contract value

₩1.49T

Of revenue

10.3%

Worth 10.3% of last year's revenue, over about 45 months.

2026-03-04 – 2029-11-30

ContractHD Hyundai Heavy IndustriesKOSPI

Contract value

₩1.49T

Of revenue

10.3%

Worth 10.3% of last year's revenue, over about 45 months.

2026-03-04 – 2029-11-30

EarningsSwung to profitWONIK QnCKOSDAQ

Operating profit

₩18.4B

Same quarter last year

-₩8.1B

Operating profit: swung to profit (-₩8.1B → ₩18.4B). Revenue ₩249B, up 14.7% YoY.

Q4 2025 · Separate

EarningsSung Kwang BendKOSDAQ

Operating profit

₩8.7B

YoY

+122.1%

Operating profit ₩8.7B, up 122.1% YoY. Revenue ₩59.3B, up 1.8% YoY.

Q4 2025 · Separate

5% holderBelow 5%ISCKOSDAQ

Stake

3.47%

Change

-48.49pp

A major holder's stake fell from 51.96% to 3.47% (related-party change).

5% holderNew 5%AtumKOSDAQ

Stake

11.31%

Change

+11.31pp

A major holder's stake rose from 0.00% to 11.31% (new report).

5% holderLaonPeopleKOSDAQ

Stake

31.47%

Change

-17.64pp

A major holder's stake fell from 49.11% to 31.47% (rights offering).

BuybackBuybackNeowizKOSDAQ

Planned buyback

₩6B

260,870 sh

Plans to buy back 260,870 sh of treasury stock, Mar 6 to Jun 5.

IssuanceCapital reductionProtecKOSDAQ

Reduction

18.2%

Capital reduction of 18.2%.

Supply contracts 19

3/5AmendedSphere Worth 271.5% of last year's revenue, over about 7 months.₩6.9B

3/5AmendedSemyungElectricMachinery Worth 141% of last year's revenue, over about 16 months.₩16.7B

3/5AmendedCuriosis Worth 44.4% of last year's revenue, over about 4 months.₩2.1B

3/5AmendedTSI Worth 43.4% of last year's revenue, over about 35 months.₩64.6B

3/5AmendedWoowon Development Worth 21.5% of last year's revenue, over about 48 months.₩54.3B

3/5AmendedSamho Development Worth 16.6% of last year's revenue, over about 104 months.₩45.6B

3/5AmendedDongshinEngineering&Construction Worth 16.5% of last year's revenue, over about 34 months.₩8.3B

3/5AmendedHantech Worth 15.9% of last year's revenue, over about 19 months.₩24.7B

3/5MemRAY BT Worth 14.3% of last year's revenue, over about 9 months.₩18.6B

3/5HD Korea Shipbuilding & Offshore Engineering Worth 10.3% of last year's revenue, over about 45 months.₩1.49T

3/5HD Hyundai Heavy Industries Worth 10.3% of last year's revenue, over about 45 months.₩1.49T

3/5Atec Mobility Worth 8.8% of last year's revenue, over about 10 months.₩9.2B

3/5Sensorview Worth 7.8% of last year's revenue, over about 52 months.₩1.2B

3/5Sensorview Worth 7.4% of last year's revenue, over about 52 months.₩1.2B

3/5Namkwang Engineering & Construction Worth 7.1% of last year's revenue, over about 59 months.₩35.9B

3/5AmendedKye-Ryong Construction Industrial Worth 6.7% of last year's revenue, over about 114 months.₩152B

3/5AmendedHyundai Engineering & Construction Worth 5.2% of last year's revenue.₩969B

3/5HS Hwasung Worth 5.1% of last year's revenue.₩31.4B

3/5AmendedKorea Aerospace Industries Worth 3.6% of last year's revenue, over about 61 months.₩99.7B

Preliminary earnings 3

3/5Swung to profitWONIK QnC Operating profit: swung to profit (-₩8.1B → ₩18.4B). Revenue ₩249B, up 14.7% YoY.₩18.4B

3/5Sung Kwang Bend Operating profit ₩8.7B, up 122.1% YoY. Revenue ₩59.3B, up 1.8% YoY.₩8.7B

3/5AmendedKorean Reinsurance Company Operating profit ₩65.1B, down 26.9% YoY. Revenue ₩1.64T, down 15.5% YoY.₩65.1B

Insider trades 182

3/5Samsung Electronics Co,Insider ownership report

3/5Ankey AX Insider ownership report

3/5AmendedMirae Asset Securities Insider ownership report

3/5Gencurix Insider ownership report

3/5SKAI worldwide Insider ownership report

3/5ISU Specialty Chemical Insider ownership report