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Woosung Materials 011300

Company
우성머티리얼스Woosung Materials
Insiders
1
Buys
41
Total Value
₩594M ($413K)
Avg Return
+6.51%
Last Filing
2026-05-07

Woosung Materials (011300) has 41 disclosed insider purchases and 6 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩594M ($413K) in reported transaction value. The earliest filing StockDrifts holds for Woosung Materials is dated 2024-12-27; the most recent is 2026-05-07. Across these filings the average return since disclosure is +6.51%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-08-19SELL기타
상상인플러스저축은행
Sangsangin Plus Savings Bank
--1.6M₩3,270+26.6%₩5.4B ($3.7M)
2026-08-19SELL장외매도
상상인플러스저축은행
Sangsangin Plus Savings Bank
--333.3K₩3,270+26.6%₩1000M ($694K)
2026-05-07BUYMarket Buy
임종찬
Jongchan Lim
CEO2.1K₩2,900-8.1%₩6M ($4K)
2026-05-07SELLMarket Sell
상상인플러스저축은행
Sangsangin Plus Savings Bank
--1.8K₩2,900+17.2%₩6M ($4K)
2026-05-06SELLMarket Sell
상상인플러스저축은행
Sangsangin Plus Savings Bank
--15.0K₩2,850+15.8%₩49M ($34K)
2026-04-15SELL주식병합
상상인플러스저축은행
Sangsangin Plus Savings Bank
--18.0M₩354-578.0%₩6.4B ($4.4M)
2026-03-03SELL기타
상상인플러스저축은행
Sangsangin Plus Savings Bank
--16.8M₩361+1.9%₩6.1B ($4.2M)
2026-01-23BUYMarket Buy
임종찬
Jongchan Lim
CEO32.0K₩386+12.9%₩12M ($9K)
2026-01-22BUYMarket Buy
임종찬
Jongchan Lim
CEO111.5K₩375+16.3%₩42M ($29K)
2026-01-21BUYMarket Buy
임종찬
Jongchan Lim
CEO124.5K₩374+16.6%₩47M ($32K)
2026-01-20BUYMarket Buy
임종찬
Jongchan Lim
CEO147.5K₩375+16.3%₩55M ($38K)
2026-01-16BUYMarket Buy
임종찬
Jongchan Lim
CEO10.0K₩360+21.1%₩4M ($3K)
2026-01-15BUYMarket Buy
임종찬
Jongchan Lim
CEO184.5K₩365+19.4%₩67M ($47K)
2026-01-14BUYMarket Buy
임종찬
Jongchan Lim
CEO45.0K₩363+20.1%₩16M ($11K)
2026-01-13BUYMarket Buy
임종찬
Jongchan Lim
CEO85.0K₩370+17.8%₩31M ($22K)
2026-01-12BUYMarket Buy
임종찬
Jongchan Lim
CEO110.0K₩365+19.4%₩40M ($28K)
2026-01-09BUYMarket Buy
임종찬
Jongchan Lim
CEO88.9K₩371+17.5%₩33M ($23K)
2026-01-08BUYMarket Buy
임종찬
Jongchan Lim
CEO58.0K₩360+21.1%₩21M ($15K)
2026-01-02BUYMarket Buy
임종찬
Jongchan Lim
CEO700₩354+23.2%₩248K ($172)
2025-12-22BUYMarket Buy
임종찬
Jongchan Lim
CEO400₩363+20.1%₩145K ($101)
2025-12-17BUYMarket Buy
임종찬
Jongchan Lim
CEO500₩374+16.6%₩187K ($130)
2025-12-12BUYMarket Buy
임종찬
Jongchan Lim
CEO500₩372+17.2%₩186K ($129)
2025-12-03BUY행사가액조정
상상인플러스저축은행
Sangsangin Plus Savings Bank
-2.6M---
2025-11-27BUYMarket Buy
임종찬
Jongchan Lim
CEO500₩391+11.5%₩196K ($136)
2025-11-11BUYMarket Buy
임종찬
Jongchan Lim
CEO200₩363+20.1%₩73K ($50)
2025-11-06BUYMarket Buy
임종찬
Jongchan Lim
CEO300₩364+19.8%₩109K ($76)
2025-11-05BUYMarket Buy
임종찬
Jongchan Lim
CEO65.4K₩369+18.2%₩24M ($17K)
2025-11-04BUYMarket Buy
임종찬
Jongchan Lim
CEO376.0K₩379+15.0%₩142M ($99K)
2025-10-30BUYMarket Buy
임종찬
Jongchan Lim
CEO900₩378+15.3%₩340K ($236)
2025-09-10BUYMarket Buy
임종찬
Jongchan Lim
CEO100₩423+3.1%₩42K ($29)
2025-09-08BUYMarket Buy
임종찬
Jongchan Lim
CEO500₩444-1.8%₩222K ($154)
2025-09-04BUYMarket Buy
임종찬
Jongchan Lim
CEO500₩459-5.0%₩230K ($159)
2025-08-20BUYMarket Buy
임종찬
Jongchan Lim
CEO900₩406+7.4%₩365K ($254)
2025-08-04BUY행사가액조정
상상인플러스저축은행
Sangsangin Plus Savings Bank
-1.8M---
2025-06-30BUYMarket Buy
임종찬
Jongchan Lim
CEO100₩464-6.0%₩46K ($32)
2025-06-30BUYMarket Buy
임종찬
Jongchan Lim
CEO657₩464-6.0%₩305K ($212)
2025-06-30BUYMarket Buy
임종찬
Jongchan Lim
CEO600₩464-6.0%₩278K ($193)
2025-06-30BUYMarket Buy
임종찬
Jongchan Lim
CEO501₩464-6.0%₩232K ($161)
2025-06-30BUYMarket Buy
임종찬
Jongchan Lim
CEO142₩464-6.0%₩66K ($46)
2025-06-24BUYMarket Buy
임종찬
Jongchan Lim
CEO8.7K₩476-8.4%₩4M ($3K)
2025-06-23BUYMarket Buy
임종찬
Jongchan Lim
CEO12.9K₩462-5.6%₩6M ($4K)
2025-06-11BUYMarket Buy
임종찬
Jongchan Lim
CEO16.4K₩498-12.4%₩8M ($6K)
2025-06-09BUYMarket Buy
임종찬
Jongchan Lim
CEO15.7K₩500-12.8%₩8M ($5K)
2025-06-05SELLMarket Sell
임종찬
Jongchan Lim
CEO-3.0K₩519+16.0%₩2M ($1K)
2025-06-04BUYMarket Buy
임종찬
Jongchan Lim
CEO3.0K₩492-11.4%₩1M ($1K)
2025-05-20SELLMarket Sell
임종찬
Jongchan Lim
CEO-3.0K₩484+9.9%₩1M ($1K)
2025-05-19BUYMarket Buy
임종찬
Jongchan Lim
CEO3.0K₩499-12.6%₩1M ($1K)
2025-03-31BUY제3자배정유상증자
상상인플러스저축은행
Sangsangin Plus Savings Bank
-20.0M₩613-28.9%₩12.3B ($8.5M)
2025-03-31BUY기타
상상인플러스저축은행
Sangsangin Plus Savings Bank
-12.5M₩613-28.9%₩7.6B ($5.3M)
2025-03-28BUY제3자배정유상증자
임종찬
Jongchan Lim
CEO50.0K₩646-32.5%₩32M ($22K)

Showing the 50 most recent of 62 filings.

Frequently asked questions

Who has been buying Woosung Materials stock?
1 distinct insiders have filed 41 disclosed insider purchases in Woosung Materials (011300), most recently on 2026-05-07. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Woosung Materials have?
Woosung Materials has 41 buy-side and 6 sell-side disclosures on record, covering ₩594M ($413K) in total reported value, spanning 2024-12-27 to 2026-05-07.
Do insider buys in Korean stocks predict returns?
Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.