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Key filings, March 11, 2026

1,914 filings · 11 highlights

← March 10, 2026 March 12, 2026 →

ContractWoowon DevelopmentKOSDAQ

Contract value

₩63.5B

Of revenue

20.9%

Worth 20.9% of last year's revenue, over about 32 months.

2026-03-11 – 2028-10-26

Company filings →Original (Korean) ↗

ContractBHIKOSDAQ

Contract value

₩56.6B

Of revenue

14%

Worth 14% of last year's revenue, over about 35 months.

2026-03-11 – 2029-02-13

Company filings →Original (Korean) ↗

5% holderNew 5%OntideKOSPI

Stake

40.21%

Change

+40.21pp

A major holder's stake rose from 0.00% to 40.21% (new report).

Company filings →Original (Korean) ↗

5% holderNew 5%KbankKOSPI

Stake

31.23%

Change

+31.23pp

A major holder's stake rose from 0.00% to 31.23%.

Company filings →Original (Korean) ↗

5% holderNew 5%iM Financial GroupKOSPI

Stake

9.99%

Change

+9.99pp

A major holder's stake rose from 0.00% to 9.99% (new report).

Company filings →Original (Korean) ↗

BuybackCancellationHanwhaKOSPI

Shares cancelled

4,450,816 sh

Of shares issued

4.71%

Cancels 4,450,816 sh, 4.71% of shares issued, on Apr 9.

Company filings →Original (Korean) ↗

BuybackCancellationKumho Petro ChemicalKOSPI

Shares cancelled

874,417 sh

Of shares issued

3.01%

Cancels 874,417 sh, 3.01% of shares issued, on Mar 20.

Company filings →Original (Korean) ↗

BuybackTrustKumho Petro ChemicalKOSPI

Trust size

₩30B

Signed a ₩30B trust contract to buy back shares.

Company filings →Original (Korean) ↗

IssuanceCapital reductionHanWool & JejuKOSDAQ

Reduction

90%

Capital reduction of 90%.

Company filings →Original (Korean) ↗

IssuanceCapital reductionNuin TEKKOSDAQ

Reduction

80%

Capital reduction of 80%.

Company filings →Original (Korean) ↗

IssuanceCapital reductionCharm EngineeringKOSPI

Reduction

80%

Capital reduction of 80%.

Company filings →Original (Korean) ↗

Supply contracts 9

3/11AmendedKCC Engineering & Construction Worth 49% of last year's revenue, over about 40 months.₩928B

3/11AmendedSoosan Industries Worth 28.8% of last year's revenue, over about 41 months.₩87.4B

3/11AmendedKorea Electronic Power Industrial Development Worth 23.1% of last year's revenue, over about 147 months.₩85B

3/11AmendedKorea Electronic Power Industrial Development Worth 22.4% of last year's revenue, over about 60 months.₩82.5B

3/11Woowon Development Worth 20.9% of last year's revenue, over about 32 months.₩63.5B

3/11BHI Worth 14% of last year's revenue, over about 35 months.₩56.6B

3/11Amended4by4 Worth 6.3% of last year's revenue, over about 10 months.₩2.1B

3/11Hyosung Worth 2.9% of last year's revenue, over about 22 months.₩143B

3/11Hyosung Heavy Industries Worth 2.9% of last year's revenue, over about 22 months.₩143B

Preliminary earnings 3

3/11AmendedSwung to profitCom2uS Holdings Operating profit: swung to profit (-₩43.7B → ₩1.8B). Revenue ₩27.3B, up 34.3% YoY.₩1.8B

3/11AmendedHankook Tire & Technology Operating profit ₩547B, up 15.5% YoY. Revenue ₩5.46T, up 115.5% YoY.₩547B

3/11E-Mart Preliminary operating results

Insider trades 100

3/11Ontide Insider ownership report

3/11JB Financial Group Insider ownership report

3/11Atec Insider ownership report

3/11JB Financial Group Insider ownership report

3/11Kbank Insider ownership report

3/11JB Financial Group Insider ownership report

3/11Alphachips Insider ownership report

3/11Episode Company Insider ownership report

3/11KB Financial Group Insider ownership report

3/11RollingStone Insider ownership report

3/11HD Hyundai Electric Insider ownership report

3/11MIRAE ASSET Life Insurance Insider ownership report

3/11ENCell Insider ownership report

3/11Koramco Life Infra Reit Insider ownership report

3/11IGIS Value Plus REIT Insider ownership report

3/11E Kocref Cr-Reit Insider ownership report

3/11Shinhan Alpha REIT Co,.Insider ownership report

3/11Miraeasset Maps REIT 1 Insider ownership report

3/11Lotte Reit Insider ownership report

3/11ESR Kendall Square REIT Insider ownership report

3/11D&D Platform REIT Insider ownership report

3/11SK Reit Insider ownership report

3/11Shinhan Seobu T&D REIT Insider ownership report

3/11Koramco the ONE Reit Insider ownership report

3/11SamsungFN REIT Insider ownership report

3/11Hanwha REIT Insider ownership report

3/11MIRAE ASSET Life Insurance Insider ownership report

3/11Yuanta Securities Korea Insider ownership report

3/11MIRAE ASSET Life Insurance Insider ownership report

3/11ENCell Insider ownership report

3/11Hlscience Insider ownership report

3/11MIRAE ASSET Life Insurance Insider ownership report

3/11OE Solutions Insider ownership report

3/11MIRAE ASSET Life Insurance Insider ownership report

All insider trades →

5% holders 40

3/11New 5%Ontide A major holder's stake rose from 0.00% to 40.21% (new report).40.21%

3/11New 5%Kbank A major holder's stake rose from 0.00% to 31.23%.31.23%

3/11New 5%iM Financial Group A major holder's stake rose from 0.00% to 9.99% (new report).9.99%

3/11New 5%KB Star Reit A major holder's stake rose from 0.00% to 5.87% (new report).5.87%

3/11New 5%Moadata A major holder's stake rose from 0.00% to 5.57% (conversion/exercise).5.57%

3/11New 5%Kbank A major holder's stake rose from 0.00% to 5.11% (new report).5.11%

3/11New 5%F&F A major holder's stake rose from 0.00% to 5.04% (new report).5.04%

3/11New 5%Suprema A major holder's stake rose from 0.00% to 5.03%.5.03%

3/11New 5%Hantech A major holder's stake rose from 0.00% to 5.02%.5.02%

3/11Below 5%iM Financial Group A major holder's stake fell from 9.99% to 0.00%.0.00%

3/11IL A major holder's stake fell from 25.57% to 22.76%.22.76%

3/11AmendedBelow 5%Sunic System A major holder's stake fell from 5.86% to 3.07% (open-market sale).3.07%

3/11Curocell A major holder's stake fell from 32.32% to 30.89% (open-market buy).30.89%

3/11MeatBox Global A major holder's stake rose from 7.03% to 8.22%.8.22%

3/11KB Financial Group BlackRock's stake rose from 6.02% to 7.05% (related-party change).7.05%

3/11Hlscience A major holder's stake rose from 63.27% to 64.27% (open-market buy).64.27%

3/11TPC A major holder's stake rose from 38.59% to 39.47%.39.47%

3/11Atec A major holder's stake rose from 25.29% to 26.15%.26.15%

3/11Atec Mobility A major holder's stake rose from 30.72% to 31.24% (related-party change).31.24%

3/11HanWool Semiconductor A major holder's stake fell from 36.43% to 35.95% (related-party change).35.95%

3/11Ilwoul GML A major holder's stake rose from 44.88% to 45.17%.45.17%

3/11ENCell A major holder's stake fell from 33.03% to 32.82% (stock option).32.82%

3/11Kmpharmaceutical A major holder's stake rose from 38.94% to 39.08% (open-market buy).39.08%

3/11OE Solutions A major holder's stake fell from 24.37% to 24.27% (open-market sale).24.27%

3/11Chabiotech A major holder's stake fell from 25.29% to 25.22% (related-party change).25.22%

3/11Wot A major holder's stake rose from 57.58% to 57.64% (open-market buy).57.64%

3/11SD Biosensor A major holder's stake rose from 71.65% to 71.66% (related-party change).71.66%

3/11AmendedMecaro A major holder's stake fell from 54.19% to 54.18% (open-market sale).54.18%

3/11Hallacast A major holder's stake rose from 39.72% to 39.73% (related-party change).39.73%

3/11Ecopro BM A major holder's stake fell from 45.59% to 45.58% (share lending).45.58%

3/11AmendedHyungkuk F&B A major holder's stake rose from 50.67% to 50.68% (open-market buy).50.68%

3/11NICE Holdings A major holder's stake rose from 51.86% to 51.86% (pledge).51.86%

3/11Hyulim ROBOT A major holder's stake rose from 5.25% to 5.25%.5.25%

3/11Enzychem Lifesciences A major holder's stake rose from 20.14% to 20.14% (related-party change).20.14%

3/11DongwonDevelopment A major holder's stake rose from 65.78% to 65.78% (pledge).65.78%

3/11NBT A major holder's stake rose from 23.32% to 23.32% (pledge).23.32%

3/11Seah Holdings A major holder's stake rose from 74.83% to 74.83% (pledge).74.83%

3/11Great New wave Coming A major holder's stake rose from 56.03% to 56.03% (related-party change).56.03%

3/11CreoSG A major holder's stake rose from 44.71% to 44.71%.44.71%

3/11KBI Metal A major holder's stake rose from 31.11% to 31.11% (pledge).31.11%

Buybacks 14

3/11AmendedCancellationHanwha Cancels 2 sh, 64.52% of shares issued.2 sh

3/11CancellationHanwha Cancels 4,450,816 sh, 4.71% of shares issued, on Apr 9.4,450,816 sh

3/11CancellationKumho Petro Chemical Cancels 874,417 sh, 3.01% of shares issued, on Mar 20.874,417 sh

3/11TrustSeegene Ended a share buyback trust contract.₩30B

3/11TrustKumho Petro Chemical Signed a ₩30B trust contract to buy back shares.₩30B

3/11DisposalPearlAbyss Plans to dispose of 320,000 sh of treasury stock, Mar 11 to Jun 13.₩15.6B

3/11CancellationWoongjin Thinkbig Cancels 1,851,814 sh, 1.60% of shares issued, on Mar 26.1,851,814 sh

3/11CancellationMotonic Cancels 6,316,906 sh, 22.52% of shares issued, on Mar 18.6,316,906 sh

3/11TrustKomelon Signed a ₩10B trust contract to buy back shares.₩10B

3/11CancellationBinggrae Cancels 286,672 sh, 3.00% of shares issued, on Mar 26.286,672 sh

3/11CancellationShinsung E&G Cancels 2,282,152 sh, 1.11% of shares issued, on May 29.2,282,152 sh

3/11TrustDaea TI Signed a ₩1B trust contract to buy back shares.₩1B

3/11DisposalJustem.Plans to dispose of 141,227 sh of treasury stock, Mar 31 to Mar 31.₩824.8M

3/11DisposalSeegene Plans to dispose of 2,747 sh of treasury stock, Mar 12 to Apr 10.₩61.4M

Share issues & bonds 16

3/11Capital reductionHanWool & Jeju Capital reduction of 90%.90%

3/11Capital reductionNuin TEK Capital reduction of 80%.80%

3/11Capital reductionCharm Engineering Capital reduction of 80%.80%

3/11Capital reductionKorea Information Certificate Authority, Incorporated Capital reduction of 4.4%.4.4%

3/11AmendedCapital reductionDongwon Industries Capital reduction of 0%.0%

3/11AmendedKoas Rights offering

3/11Q Capital Partners Capital reduction

3/11Nuin TEK Rights offering

3/11Hyulim A-Tech Capital reduction

3/11AmendedB2En Rights offering

3/11Hanjoo ART Convertible bond issue

3/11AmendedSatoshi Holdings Convertible bond issue

3/11AmendedDaiyang Metal Rights offering

3/11AmendedEOFlow Rights offering

3/11AmendedKoas Rights offering

3/11AmendedHanwha Capital reduction

M&A & spin-offs 2

3/11AmendedE-Mart Share exchange

3/11AmendedHanwha Spin-off / split

Key filings, March 11, 2026

Supply contracts 9

Preliminary earnings 3

Insider trades 100

5% holders 40

Buybacks 14

Share issues & bonds 16

M&A & spin-offs 2

Exchange actions 10