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Key filings, September 23, 2026

410 filings · 8 highlights

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ContractEco&DreamKOSDAQ

Contract value

₩17.8B

Of revenue

12.5%

Worth 12.5% of last year's revenue, over about 3 months.

2026-09-23 – 2027-01-03

Company filings →Original (Korean) ↗

ContractSphereKOSDAQ

Contract value

₩11.6B

Of revenue

12.1%

Worth 12.1% of last year's revenue, over about 10 months.

2026-09-22 – 2027-08-02

Company filings →Original (Korean) ↗

InsiderBuyShinhan Alpha REIT Co,.KOSPI

Bought

₩218.9M

40,000 sh

10%+ shareholder bought 40,000 sh on the market at an average ₩5,472, Sep 17–22.

Company filings →Original (Korean) ↗

InsiderBuyAmorepacificKOSPI

Bought

₩167.9M

1,169 sh

An insider bought 1,169 sh on the market at an average ₩143,599, Sep 22.

Company filings →Original (Korean) ↗

InsiderBuyLotte ReitKOSPI

Bought

₩139.6M

35,000 sh

10%+ shareholder bought 35,000 sh on the market at an average ₩3,989, Sep 17–22.

Company filings →Original (Korean) ↗

5% holderBelow 5%RevuKOSDAQ

Stake

0.00%

Change

-58.55pp

A major holder's stake fell from 58.55% to 0.00%.

Company filings →Original (Korean) ↗

5% holderNew 5%Ilyang PharmaceuticalKOSPI

Stake

27.04%

Change

+27.04pp

A major holder's stake rose from 0.00% to 27.04% (gift).

Company filings →Original (Korean) ↗

5% holderNew 5%N2techKOSDAQ

Stake

17.02%

Change

+17.02pp

A major holder's stake rose from 0.00% to 17.02% (conversion/exercise).

Company filings →Original (Korean) ↗

Supply contracts 13

9/23AmendedBHI Worth 67.8% of last year's revenue, over about 51 months.₩249B

9/23AmendedSamhwa Networks Worth 22.6% of last year's revenue, over about 120 months.₩6.6B

9/23AmendedNam Hwa Construction Company Worth 13.6% of last year's revenue, over about 15 months.₩7.7B

9/23Eco&Dream Worth 12.5% of last year's revenue, over about 3 months.₩17.8B

9/23Sphere Worth 12.1% of last year's revenue, over about 10 months.₩11.6B

9/23AmendedCMES Robotics Worth 10.3% of last year's revenue, over about 7 months.₩712.8M

9/23SK biopharmaceuticals Worth 9% of last year's revenue, over about 1 month.₩63.3B

9/23Hyundai-Rotem Worth 5.9% of last year's revenue, over about 98 months.₩345B

9/23Samil C&S Worth 5.7% of last year's revenue, over about 26 months.₩12.8B

9/23HL Holdings Worth 5.2% of last year's revenue.₩90B

9/23HL D&I Halla Worth 5.2% of last year's revenue.₩90B

9/23Hyundai Engineering & Construction Worth 2.8% of last year's revenue.₩883B

9/23Hanwha Systems Single sales/supply contract

Insider trades 72

9/23SaleDoosan President sold 1,500 sh on the market at an average ₩1,448,941, Sep 22.₩2.2B

9/23SaleSamsungFN REIT 10%+ shareholder sold 182,554 sh on the market at an average ₩5,403, Sep 16–22.₩986.3M

9/23SaleSamik Pharm An insider sold 20,000 sh on the market at an average ₩11,000, Sep 17.₩220M

9/23BuyShinhan Alpha REIT Co,.10%+ shareholder bought 40,000 sh on the market at an average ₩5,472, Sep 17–22.₩218.9M

9/23Net saleSK Reit 10%+ shareholder bought 20,000 sh and sold 58,000 sh, Sep 17–21: net sale of 38,000 sh.₩104.7M

9/23BuyAmorepacific An insider bought 1,169 sh on the market at an average ₩143,599, Sep 22.₩167.9M

9/23BuyLotte Reit 10%+ shareholder bought 35,000 sh on the market at an average ₩3,989, Sep 17–22.₩139.6M

9/23BuyUnick CEO bought 30,000 sh on the market at an average ₩3,792, Sep 23–29.₩113.8M

9/23BuyAmorepacific An insider bought 800 sh on the market at an average ₩141,850, Sep 22.₩113.5M

9/23SaleMirae Asset Global REIT 10%+ shareholder sold 71,508 sh on the market at an average ₩1,411, Sep 17–22.₩100.9M

9/23SaleKoramco the ONE Reit 10%+ shareholder sold 20,000 sh on the market at an average ₩2,375, Sep 17–22.₩47.5M

9/23BuyAmorepacific An insider bought 327 sh on the market at an average ₩142,900, Sep 21.₩46.7M

9/23BuyAmorepacific An insider bought 294 sh on the market at an average ₩142,800, Sep 22.₩42M

9/23BuyHNK Machine Tool CEO bought 12,630 sh on the market at an average ₩2,962, Sep 21–23.₩37.4M

9/23BuyAmorepacific An insider bought 254 sh on the market at an average ₩143,168, Sep 17–22.₩36.4M

9/23SaleMiraeasset Maps REIT 1 10%+ shareholder sold 19,803 sh on the market at an average ₩1,802, Sep 17–18.₩35.7M

9/23BuyAmorepacific An insider bought 250 sh on the market at an average ₩142,633, Sep 22.₩35.7M

9/23BuyAmorepacific An insider bought 220 sh on the market at an average ₩145,182, Sep 16–22.₩31.9M

9/23BuyESR Kendall Square REIT 10%+ shareholder bought 10,000 sh on the market at an average ₩3,182, Sep 17.₩31.8M

9/23BuyAmorepacific An insider bought 212 sh on the market at an average ₩145,600, Sep 16.₩30.9M

9/23BuyAmorepacific An insider bought 200 sh on the market at an average ₩143,600, Sep 21–22.₩28.7M

9/23SaleIncar Financial Service Executive sold 2,630 sh on the market at an average ₩10,500, Sep 21.₩27.6M

9/23BuyClean & Science Director bought 6,783 sh on the market at an average ₩3,203, Sep 22–23.₩21.7M

9/23BuyAmorepacific An insider bought 98 sh on the market at an average ₩145,863, Sep 16–18.₩14.3M

9/23BuyIncar Financial Service President bought 1,000 sh on the market at an average ₩10,082, Sep 23.₩10.1M

9/23BuyBookook Securities 10%+ shareholder bought 200 sh on the market at an average ₩50,300, Sep 23.₩10.1M

9/23BuyAmorepacific An insider bought 69 sh on the market at an average ₩144,136, Sep 18.₩9.9M

9/23BuyHyungkuk F&B CEO bought 7,498 sh on the market at an average ₩1,171, Sep 17–22.₩8.8M

9/23SaleDual CEO sold 1,972 sh on the market at an average ₩4,025, Sep 21.₩7.9M

9/23BuyBiotoxtech CEO bought 2,700 sh on the market at an average ₩2,303, Sep 18–23.₩6.2M

9/23BuyCoreline Soft Director bought 845 sh on the market at an average ₩2,526, Aug 18–Sep 7.₩2.1M

9/23BuyiA Director bought 245 sh on the market at an average ₩3,239, Sep 22–23.₩793,545

9/23BuySinjin SM CEO bought 500 sh on the market at an average ₩1,500, Sep 17.₩750,000

9/23BuyAmorepacific An insider bought 5 sh on the market at an average ₩144,200, Sep 16.₩721,000

9/23BuyAmorepacific An insider bought 2 sh on the market at an average ₩144,600, Sep 18.₩289,200

9/23Other changeYujin Robot 10%+ shareholder's holding fell by 820,000 sh (other change).-820,000 sh

9/23Other changeHpsp President's holding rose by 15,907 sh (other change).+15,907 sh

9/23Other changeHpsp President's holding rose by 8,400 sh (other change).+8,400 sh

9/23Other changeHpsp Director's holding rose by 1,250 sh (other change).+1,250 sh

9/23Other changeKoramco Life Infra Reit 10%+ shareholder's holding rose by 125,244 sh (share lending, other change).+125,244 sh

All insider trades →

5% holders 55

9/23Below 5%Revu A major holder's stake fell from 58.55% to 0.00%.0.00%

9/23New 5%Ilyang Pharmaceutical A major holder's stake rose from 0.00% to 27.04% (gift).27.04%

9/23New 5%N2tech A major holder's stake rose from 0.00% to 17.02% (conversion/exercise).17.02%

9/23Below 5%Ilyang Pharmaceutical A major holder's stake fell from 26.99% to 0.00% (gift).0.00%

9/23Below 5%Gabia A major holder's stake fell from 24.37% to 0.00%.0.00%

9/23New 5%Fine DNC A major holder's stake rose from 0.00% to 12.98%.12.98%

9/23New 5%Adbiotech A major holder's stake rose from 0.00% to 7.15% (new report).7.15%

9/23Kumho Electric A major holder's stake rose from 29.83% to 44.81% (open-market sale).44.81%

9/23New 5%Xi S&D A major holder's stake rose from 4.96% to 5.46% (new report).5.46%

9/23New 5%KIWOOM Securities A major holder's stake rose from 4.99% to 5.02%.5.02%

9/23HB Solution A major holder's stake fell from 34.59% to 27.51% (conversion/exercise).27.51%

9/23AmendedCastec Korea A major holder's stake rose from 22.48% to 28.47%.28.47%

9/23AmendedCastec Korea A major holder's stake rose from 7.08% to 12.07%.12.07%

9/23Below 5%Nepes Ark A major holder's stake rose from 0.00% to 4.88% (new report).4.88%

9/23AmendedCastec Korea A major holder's stake rose from 16.57% to 20.74%.20.74%

9/23Below 5%Sung Kwang Bend A major holder's stake rose from 0.00% to 3.69% (new report).3.69%

9/23Kukil Metal A major holder's stake rose from 46.21% to 48.37%.48.37%

9/23Coreline Soft A major holder's stake fell from 22.13% to 20.13% (stock option).20.13%

9/23AmendedCastec Korea A major holder's stake rose from 14.71% to 16.57%.16.57%

9/23VenueG A major holder's stake rose from 51.05% to 52.82%.52.82%

9/23AmendedCastec Korea A major holder's stake rose from 20.74% to 22.48%.22.48%

9/23Namsun Aluminium A major holder's stake rose from 30.90% to 32.40% (pledge).32.40%

9/23AmendedCastec Korea A major holder's stake rose from 13.42% to 14.71%.14.71%

9/23AmendedCastec Korea A major holder's stake rose from 29.27% to 30.29%.30.29%

9/23Globon A major holder's stake rose from 8.01% to 9.02%.9.02%

9/23Aprogen A major holder's stake rose from 84.08% to 84.98% (conversion/exercise).84.98%

9/23AmendedCastec Korea A major holder's stake rose from 33.04% to 33.47%.33.47%

9/23Below 5%Poongwon Precision A major holder's stake fell from 5.29% to 4.95% (open-market sale).4.95%

9/23GC A major holder's stake fell from 45.64% to 45.34% (pledge).45.34%

9/23Krafton A major holder's stake rose from 38.46% to 38.66% (related-party change).38.66%

9/23SG A major holder's stake rose from 21.77% to 21.85% (stock option).21.85%

9/23Seojin System A major holder's stake rose from 20.43% to 20.51% (related-party change).20.51%

9/23Hanwha Aerospace A major holder's stake fell from 35.74% to 35.71% (related-party change).35.71%

9/23Ubion A major holder's stake rose from 35.50% to 35.53% (open-market buy).35.53%

9/23Sinjin SM A major holder's stake rose from 51.00% to 51.02% (open-market buy).51.02%

9/23Bookook Securities A major holder's stake rose from 35.29% to 35.30% (related-party change).35.30%

9/23Caregen A major holder's stake rose from 64.47% to 64.48%.64.48%

9/23Biotoxtech A major holder's stake rose from 24.29% to 24.30% (open-market buy).24.30%

9/23Hanmi Science A major holder's stake rose from 69.13% to 69.13% (pledge).69.13%

9/23Gabia A major holder's stake rose from 26.91% to 26.91%.26.91%

All 5% holders →

Buybacks 3

9/23TrustSSR Ended a share buyback trust contract.₩2B

9/23Interm Share cancellation

9/23ktis Share cancellation

Share issues & bonds 15

9/23AmendedRights offeringAprogen Biologics Issuing 12,706,481 sh of new shares, equal to 78.1% of existing shares.₩20B

9/23AmendedCBTuksuConstruction Conversion price ₩4,139; if all converted, equal to 13.8% of shares outstanding.₩10B

9/23AmendedRights offeringLumens Bios Issuing 1,785,714 sh of new shares, equal to 7.4% of existing shares.₩2.5B

9/23AmendedRights offeringGMI Venture Issuing 196,000 sh of new shares, equal to 2.1% of existing shares.₩490M

9/23Rights offeringHyulim ROBOT Issuing 386,102 sh of new shares, equal to 0.3% of existing shares.₩2B

9/23The Asia Business Daily Capital reduction

9/23AmendedAprogen Rights offering

9/23K3i Rights offering

9/23K3i Convertible bond issue

9/23AmendedBK Holdings Rights offering

9/23AmendedIrem Rights offering

9/23AmendedIncon Convertible bond issue

9/23AmendedTHE Codi Rights offering

M&A & spin-offs 5

9/23Handok Clean Tech Tangible asset deal

9/23AmendedTOP RUN Total Solution Business transfer

9/23AmendedLG Display Business transfer

9/23AmendedHandok Clean Tech Tangible asset deal

9/23AmendedGencurix Merger

Key filings, September 23, 2026

Supply contracts 13

Insider trades 72

5% holders 55

Buybacks 3

Share issues & bonds 15

M&A & spin-offs 5

Exchange actions 14