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Haesung Optics 076610

Company
해성옵틱스Haesung Optics
Insiders
1
Buys
0
Total Value
₩606M ($421K)
Avg Return
-52.62%
Last Filing
2025-06-14

Haesung Optics (076610) has 0 disclosed insider purchases and 3 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩606M ($421K) in reported transaction value. The earliest filing StockDrifts holds for Haesung Optics is dated 2023-12-19; the most recent is 2025-06-14. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea). Across these filings the average return since disclosure is -52.62%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2025-06-14BUY유상신주취득
오영현
Younghyun Oh
president447.7K₩689+61.1%₩308M ($214K)
2025-05-23SELLMarket Sell
오에이치얼머스리스트럭처링투자조합1호
OH Realm Restructuring Investment Association No. 1
--197.1K₩723-53.5%₩143M ($99K)
2025-05-22SELLMarket Sell
오에이치얼머스리스트럭처링투자조합1호
OH Realm Restructuring Investment Association No. 1
--120.0K₩727-52.7%₩87M ($61K)
2025-05-21SELLMarket Sell
오에이치얼머스리스트럭처링투자조합1호
OH Realm Restructuring Investment Association No. 1
--514.6K₩732-51.6%₩377M ($262K)
2025-05-16SELL장외매도
오에이치얼머스리스트럭처링투자조합1호
OH Realm Restructuring Investment Association No. 1
--3.7M₩750-48.0%₩2.8B ($1.9M)
2025-05-12BUY기타
오에이치얼머스리스트럭처링투자조합1호
OH Realm Restructuring Investment Association No. 1
-4.5M₩785+41.4%₩3.6B ($2.5M)
2023-12-19SELL자본감소
오에이치얼머스리스트럭처링투자조합1호
OH Realm Restructuring Investment Association No. 1
--25.6M₩1,450+23.4%₩37.1B ($25.8M)

Frequently asked questions

Who has been buying Haesung Optics stock?
1 distinct insiders have filed 0 disclosed insider purchases in Haesung Optics (076610), most recently on 2025-06-14. 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 Haesung Optics have?
Haesung Optics has 0 buy-side and 3 sell-side disclosures on record, covering ₩606M ($421K) in total reported value, spanning 2023-12-19 to 2025-06-14.
Where does StockDrifts get Haesung Optics insider data?
From DART D001/D002 insider disclosures — the official filing system run by the Financial Supervisory Service (Korea). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from DART.
Do insider buys in Korean stocks predict returns?
Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean DART filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Source filings

Every trade listed above is disclosed in DART D001/D002 insider disclosures, filed with the Financial Supervisory Service (Korea). View the original DART filings for Haesung Optics. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.