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Shinsung ST 416180

Company
신성에스티Shinsung ST
Insiders
4
Buys
2
Total Value
₩1.0B ($695K)
Avg Return
+13.38%
Last Filing
2025-11-07

Shinsung ST (416180) has 2 disclosed insider purchases and 5 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩1.0B ($695K) in reported transaction value. The earliest filing StockDrifts holds for Shinsung ST is dated 2024-04-26; the most recent is 2025-11-07. 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 +13.38%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2025-11-07SELL시간외매매
안병두
Byeongdu Ahn
torture-284.0K₩40,200+5.5%₩11.4B ($7.9M)
2025-10-28BUY기타
정종교
Jeong Jong-gyo
Managing Director2.4K₩47,300-19.7%₩113M ($79K)
2025-10-22SELLMarket Sell
김찬식
Chansik Kim
Managing Director-5.3K₩44,800+15.2%₩238M ($165K)
2025-10-21SELLMarket Sell
김찬식
Chansik Kim
Managing Director-784₩43,700+13.0%₩34M ($24K)
2025-10-01SELL시간외매매
안병두
Byeongdu Ahn
torture-90.0K₩33,550-13.3%₩3.0B ($2.1M)
2025-08-04SELLMarket Sell
손태도
Son Tae-do
CEO-6.0K₩40,050+5.1%₩240M ($167K)
2025-08-01SELLMarket Sell
손태도
Son Tae-do
CEO-10.0K₩39,950+4.9%₩400M ($277K)
2025-07-30SELL시간외매매
구본상
Koo Bon-sang
Internal director-90.0K₩43,300+12.2%₩3.9B ($2.7M)
2025-07-18SELLMarket Sell
정재원
Jaewon Jeong
Managing Director-1.0K₩39,850+4.6%₩40M ($28K)
2025-07-16BUY기타
정재원
Jaewon Jeong
Managing Director1.0K₩46,000-17.4%₩46M ($32K)
2025-03-25BUY신규선임
손태도
Son Tae-do
Each CEO52.9K₩31,300+21.4%₩1.7B ($1.2M)
2024-10-22BUY기타
김찬식
Chansik Kim
Managing Director6.1K₩25,600+48.4%₩156M ($108K)
2024-05-07BUYMarket Buy
안병두
Byeongdu Ahn
CEO1.5K₩29,450+29.0%₩44M ($31K)
2024-04-26BUYMarket Buy
안병두
Byeongdu Ahn
CEO128₩31,200+21.8%₩4M ($3K)

Frequently asked questions

Who has been buying Shinsung ST stock?
4 distinct insiders have filed 2 disclosed insider purchases in Shinsung ST (416180), most recently on 2025-11-07. 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 Shinsung ST have?
Shinsung ST has 2 buy-side and 5 sell-side disclosures on record, covering ₩1.0B ($695K) in total reported value, spanning 2024-04-26 to 2025-11-07.
Where does StockDrifts get Shinsung ST 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 Shinsung ST. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.