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Key filings, August 18, 2026

329 filings · 11 highlights

← August 14, 2026 August 19, 2026 →

ContractKP Aero IndustriesKOSDAQ

Contract value

₩96.5B

Of revenue

179%

Worth 179% of last year's revenue, over about 94 months.

2026-08-14 – 2034-06-22

Company filings →Original (Korean) ↗

ContractWinhitechKOSDAQ

Contract value

₩38B

Of revenue

50.6%

Worth 50.6% of last year's revenue, over about 25 months.

2026-08-18 – 2028-09-30

Company filings →Original (Korean) ↗

ContractWoniltniKOSDAQ

Contract value

₩6.8B

Of revenue

22.9%

Worth 22.9% of last year's revenue, over about 32 months.

2026-08-18 – 2029-04-21

Company filings →Original (Korean) ↗

InsiderBuyAgabang&companyKOSDAQ

Bought

₩2.1B

421,359 sh

An insider bought 421,359 sh on the market at an average ₩4,928, Aug 10–18.

Company filings →Original (Korean) ↗

InsiderBuyOmnisystemKOSDAQ

Bought

₩1.2B

1,210,003 sh

10%+ shareholder bought 1,210,003 sh on the market at an average ₩978, Aug 13.

Company filings →Original (Korean) ↗

InsiderBuyIncar Financial ServiceKOSDAQ

Bought

₩611.7M

57,686 sh

CEO bought 57,686 sh on the market at an average ₩10,605, Aug 11–14.

Company filings →Original (Korean) ↗

5% holderNew 5%LOTTE rentalKOSPI

Stake

61.17%

Change

+61.17pp

A major holder's stake rose from 0.00% to 61.17%.

Company filings →Original (Korean) ↗

5% holderNew 5%RayKOSDAQ

Stake

26.14%

Change

+26.14pp

A major holder's stake rose from 0.00% to 26.14%.

Company filings →Original (Korean) ↗

5% holderNew 5%S-1KOSPI

Stake

5.12%

Change

+5.12pp

A major holder's stake rose from 0.00% to 5.12%.

Company filings →Original (Korean) ↗

IssuanceRights offeringSilicon 2KOSDAQ

Raising

₩300B

Dilution

10.2%

Issuing 6,666,666 sh of new shares, equal to 10.2% of existing shares.

Company filings →Original (Korean) ↗

M&AMercuryKOSDAQ

Deal value

₩56B

Of total assets

31.8%

A ₩56B deal, equal to 31.8% of total assets.

Company filings →Original (Korean) ↗

Supply contracts 15

8/18AmendedNamkwang Engineering & Construction Worth 207.5% of last year's revenue, over about 89 months.₩240B

8/18KP Aero Industries Worth 179% of last year's revenue, over about 94 months.₩96.5B

8/18Winhitech Worth 50.6% of last year's revenue, over about 25 months.₩38B

8/18AmendedSamho Development Worth 38.9% of last year's revenue, over about 30 months.₩141B

8/18AmendedAsicland Worth 27.3% of last year's revenue, over about 12 months.₩25.7B

8/18Woniltni Worth 22.9% of last year's revenue, over about 32 months.₩6.8B

8/18SK biopharmaceuticals Worth 14.1% of last year's revenue, over about 1 month.₩99.4B

8/18AmendedWaveElectronics Worth 13.5% of last year's revenue, over about 34 months.₩8B

8/18Teraview Holdings Worth 12.5% of last year's revenue, over about 6 months.₩949.2M

8/18Sebo Manufacturing Engineering Worth 6.1% of last year's revenue, over about 14 months.₩43.5B

8/18HJ Shipbuilding & Construction Worth 5.2% of last year's revenue, over about 84 months.₩104B

8/18AmendedTY Holdings Worth 5% of last year's revenue, over about 79 months.₩113B

8/18AmendedTaeyoung Engineering & Construction Worth 5% of last year's revenue, over about 79 months.₩113B

8/18Kolon Worth 3.9% of last year's revenue, over about 57 months.₩105B

8/18KolonGlobal Worth 3.9% of last year's revenue, over about 57 months.₩105B

Insider trades 47

8/18BuyAgabang&company An insider bought 421,359 sh on the market at an average ₩4,928, Aug 10–18.₩2.1B

8/18BuyOmnisystem 10%+ shareholder bought 1,210,003 sh on the market at an average ₩978, Aug 13.₩1.2B

8/18SaleGemVax & KAEL CEO sold 86,500 sh on the market at an average ₩12,642, Aug 10–13.₩1.1B

8/18BuyIncar Financial Service CEO bought 57,686 sh on the market at an average ₩10,605, Aug 11–14.₩611.7M

8/18BuyPyung HWA Industrial An insider bought 544,254 sh on the market at an average ₩1,025, Aug 11–18.₩557.8M

8/18SaleHyundai Motor Executive sold 700 sh on the market at an average ₩410,357, Aug 14.₩287.3M

8/18BuyYuanta Securities Korea 10%+ shareholder bought 52,500 sh on the market at an average ₩4,661, Aug 11–18.₩244.7M

8/18BuyJoyCity 10%+ shareholder bought 198,817 sh on the market at an average ₩1,201, Aug 10–18.₩238.8M

8/18BuyCuroholdings An insider bought 67,169 sh on the market at an average ₩2,967, Aug 10.₩199.3M

8/18BuyChonbang An insider bought 5,006 sh on the market at an average ₩32,126, Aug 12–18.₩160.8M

8/18BuyEnex CEO bought 75,791 sh on the market at an average ₩1,978, Aug 18.₩149.9M

8/18BuyEco&Dream CEO bought 10,550 sh on the market at an average ₩8,025, Aug 11.₩84.7M

8/18BuyDaishin Value REIT 10%+ shareholder bought 19,538 sh on the market at an average ₩3,940, Aug 10–18.₩77M

8/18BuyEco&Dream President bought 9,000 sh on the market at an average ₩8,072, Aug 10–13.₩72.6M

8/18SaleHanwha Aerospace An insider sold 60 sh on the market at an average ₩1,198,000, Aug 18.₩71.9M

8/18BuyCenotec CEO bought 65,000 sh on the market at an average ₩983, Aug 12–14.₩63.9M

8/18BuyAutech President bought 25,326 sh on the market at an average ₩2,303, Aug 12.₩58.3M

8/18BuyPlaywith Korea 10%+ shareholder bought 23,536 sh on the market at an average ₩2,385, Aug 11–19.₩56.1M

8/18BuyUTI Director bought 19,086 sh on the market at an average ₩2,178, Aug 14.₩41.6M

8/18BuyEco&Dream President bought 3,100 sh on the market at an average ₩8,157, Aug 14.₩25.3M

8/18BuyCuriosis Executive bought 2,000 sh on the market at an average ₩11,703, Aug 11–18.₩23.4M

8/18BuyKBG Chairman bought 7,500 sh on the market at an average ₩3,021, Aug 13–18.₩22.7M

8/18BuyHansaemk Director bought 14,300 sh on the market at an average ₩1,475, Aug 14–19.₩21.1M

8/18BuyCenotec Executive bought 19,000 sh on the market at an average ₩1,013, Aug 12.₩19.2M

8/18BuyHansaemk CEO bought 9,600 sh on the market at an average ₩1,483, Aug 14–19.₩14.2M

8/18BuyKyungdongPharm CEO bought 2,442 sh on the market at an average ₩5,146, Aug 13–14.₩12.6M

8/18BuyChinyang Chemical CEO bought 9,500 sh on the market at an average ₩1,058, Aug 18.₩10.1M

8/18BuyHNK Machine Tool Director bought 3,500 sh on the market at an average ₩2,690, Aug 18.₩9.4M

8/18BuyCenotec Director bought 8,805 sh on the market at an average ₩964, Aug 12–18.₩8.5M

8/18BuyHansaemk An insider bought 5,150 sh on the market at an average ₩1,423, Aug 14–18.₩7.3M

8/18BuyDaesung Hi-Tech Director bought 1,000 sh on the market at an average ₩6,482, Aug 12.₩6.5M

8/18BuyBubang Chairman bought 5,000 sh on the market at an average ₩996, Aug 11–14.₩5M

8/18BuyCammSys President bought 4,726 sh on the market at an average ₩1,024, Aug 11–14.₩4.8M

8/18BuyAbion President bought 3,596 sh on the market at an average ₩949, Aug 11.₩3.4M

8/18BuyEnbio Chairman bought 1,532 sh on the market at an average ₩1,989, Mar 10–Aug 18.₩3M

8/18BuyPlaywith Korea Director bought 924 sh on the market at an average ₩2,389, Aug 13–19.₩2.2M

8/18Other changeJK Synap An insider's holding fell by 998,501 sh (conversion/exercise, off-market sale, other change).-998,501 sh

8/18Other changeSKNetworksCompany Director's holding rose by 1,237 sh (other change).+1,237 sh

8/18Other changeSKNetworksCompany Director's holding rose by 1,856 sh (other change).+1,856 sh

All insider trades →

5% holders 37

8/18AmendedNew 5%Wooyang P&L A major holder's stake rose from 0.00% to 91.46% (new report).91.46%

8/18New 5%LOTTE rental A major holder's stake rose from 0.00% to 61.17%.61.17%

8/18New 5%Ray A major holder's stake rose from 0.00% to 26.14%.26.14%

8/18New 5%S-1 A major holder's stake rose from 0.00% to 5.12%.5.12%

8/18JK Synap A major holder's stake fell from 42.33% to 35.25% (conversion/exercise).35.25%

8/18Omnisystem A major holder's stake rose from 32.97% to 37.17% (related-party change).37.17%

8/18Amotech A major holder's stake fell from 30.52% to 27.42% (rights offering).27.42%

8/18Unison A major holder's stake rose from 19.37% to 22.09% (open-market buy).22.09%

8/18Curoholdings A major holder's stake rose from 51.77% to 54.08%.54.08%

8/18Agabang&company A major holder's stake rose from 29.85% to 31.86% (open-market buy).31.86%

8/18Below 5%MKElectron A major holder's stake fell from 5.15% to 3.44%.3.44%

8/18Pyung HWA Industrial A major holder's stake rose from 61.24% to 62.37% (open-market buy).62.37%

8/18ESTaid A major holder's stake rose from 52.70% to 53.78% (open-market buy).53.78%

8/18AmendedAsflow A major holder's stake rose from 55.01% to 55.79%.55.79%

8/18Enex A major holder's stake rose from 28.90% to 29.54% (open-market buy).29.54%

8/18Macromill Embrain A major holder's stake fell from 59.61% to 58.99% (pledge).58.99%

8/18Below 5%SCL Science A major holder's stake fell from 5.38% to 4.85% (open-market buy).4.85%

8/18AmendedAsflow A major holder's stake rose from 54.54% to 55.01% (gift).55.01%

8/18Coreana Cosmetics A major holder's stake rose from 15.72% to 16.08% (open-market buy).16.08%

8/18Playwith Korea A major holder's stake rose from 37.40% to 37.67% (related-party change).37.67%

8/18Seoyon Topmetal A major holder's stake rose from 54.43% to 54.69% (open-market buy).54.69%

8/18Youngwire A major holder's stake rose from 33.38% to 33.64% (open-market buy).33.64%

8/18Eco&Dream A major holder's stake rose from 15.31% to 15.40% (open-market buy).15.40%

8/18Below 5%KGA A major holder's stake fell from 5.04% to 4.99% (open-market sale).4.99%

8/18Daesung Hi-Tech A major holder's stake rose from 39.53% to 39.54% (related-party change).39.54%

8/18Hy-Lok A major holder's stake fell from 9.97% to 9.96%.9.96%

8/18Pentastone Electronics A major holder's stake rose from 27.87% to 27.87% (share lending).27.87%

8/18SV Investment A major holder's stake rose from 24.78% to 24.78%.24.78%

8/18Wooyang P&L Report of 5%+ holding

8/18VenueG A major holder's stake rose from 9.47% to 9.47%.9.47%

8/18Wemade A major holder's stake rose from 39.51% to 39.51% (pledge).39.51%

8/18Fine M-Tec A major holder's stake rose from 27.12% to 27.12% (pledge).27.12%

8/18Woori-Net A major holder's stake rose from 26.31% to 26.31% (share lending).26.31%

8/18Enchem Report of 5%+ holding

8/18Asflow Report of 5%+ holding

8/18HanilForgingIndustrial A major holder's stake rose from 32.42% to 32.42% (pledge).32.42%

8/18Jetema A major holder's stake rose from 28.94% to 28.94% (share lending).28.94%

Buybacks 4

8/18Pentastone Electronics Share cancellation

8/18D&C Media Share cancellation

8/18Seah Holdings Share cancellation

8/18AmendedKEC Holdings Treasury stock disposal

Share issues & bonds 14

8/18Rights offeringSilicon 2 Issuing 6,666,666 sh of new shares, equal to 10.2% of existing shares.₩300B

8/18AmendedAlux Rights offering

8/18D&D Platform REIT Capital reduction

8/18AmendedE8 Rights offering

8/18AmendedSecern AI Rights offering

8/18Exion Group Company Rights offering

8/18Korea Advanced Materials Rights offering

8/18AmendedMOA Life Plus Convertible bond issue

8/18AmendedMoadata Rights offering

8/18EOFlow Convertible bond issue

8/18AmendedIcure Pharmaceutical In Rights offering

8/18iA Rights offering

8/18AmendedXperix Convertible bond issue

8/18Kespion Rights offering

M&A & spin-offs 8

8/18Mercury A ₩56B deal, equal to 31.8% of total assets.₩56B

8/18AmendedAPS Innovation A ₩23.5B deal, equal to 10.7% of total assets.₩23.5B

8/18AmendedPeopleBio Tangible asset deal

8/18AmendedHankuk Carbon Merger

8/18AmendedDhautonex Stake acquisition/disposal

Key filings, August 18, 2026

Supply contracts 15

Insider trades 47

5% holders 37

Buybacks 4

Share issues & bonds 14

M&A & spin-offs 8

Exchange actions 17