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SJ Chem 217910

Company
에스제이켐SJ Chem
Insiders
1
Buys
1
Total Value
₩48M ($33K)
Avg Return
-19.83%
Last Filing
2025-09-08

SJ Chem (217910) has 1 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩48M ($33K) in reported transaction value. The earliest filing StockDrifts holds for SJ Chem is dated 2024-07-23; the most recent is 2025-09-08. 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 -19.83%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2025-09-08BUY장외매수
박상훈
Park Sang-hoon
Managing Director300.0K₩389-1.3%₩117M ($81K)
2024-08-05BUY제3자배정유상증자
배동수
Bae Dong-su
CEO800.0K₩449-14.5%₩359M ($249K)
2024-07-23BUYMarket Buy
한종선
Jong-seon Han
thanks100.0K₩479-19.8%₩48M ($33K)

Frequently asked questions

Who has been buying SJ Chem stock?
1 distinct insiders have filed 1 disclosed insider purchases in SJ Chem (217910), most recently on 2025-09-08. 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 SJ Chem have?
SJ Chem has 1 buy-side and 0 sell-side disclosures on record, covering ₩48M ($33K) in total reported value, spanning 2024-07-23 to 2025-09-08.
Where does StockDrifts get SJ Chem 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 SJ Chem. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.