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SD system 121890

Company
에스디시스템SD system
Insiders
0
Buys
0
Total Value
—
Avg Return
—
Last Filing
2026-05-01

SD system (121890) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for SD system is dated 2024-07-23; the most recent is 2026-05-01. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea).

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-05-01BUY신규선임
이창희
Changhee Lee
Managing Director6.1K₩2,325-0.9%₩14M ($10K)
2024-07-23BUY제3자배정유상증자
박봉용
Park Bong-yong
CEO60.5K₩1,778-18.4%₩108M ($75K)
2024-07-23BUY제3자배정유상증자
황태명
Hwang Tae-myeong
Managing Director60.5K₩1,778-18.4%₩108M ($75K)
2024-07-23BUY제3자배정유상증자
이진규
Jinkyu Lee
Managing Director60.5K₩1,778-18.4%₩108M ($75K)
2024-07-23BUY제3자배정유상증자
김수환
Soohwan Kim
Managing Director6.1K₩1,778-18.4%₩11M ($7K)

Frequently asked questions

Who has been buying SD system stock?
0 distinct insiders have filed 0 disclosed insider purchases in SD system (121890), most recently on 2026-05-01. 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 SD system have?
SD system has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-07-23 to 2026-05-01.
Where does StockDrifts get SD system 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 SD system. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.