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Jin System 363250

Company
진시스템Jin System
Insiders
1
Buys
1
Total Value
₩185M ($129K)
Avg Return
-11.81%
Last Filing
2026-04-01

Jin System (363250) has 1 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩185M ($129K) in reported transaction value. The earliest filing StockDrifts holds for Jin System is dated 2024-03-31; the most recent is 2026-04-01. 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 -11.81%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-04-01BUY제3자배정유상증자
에이치투자조합
H Investment Association
-715.1K₩6,980-14.0%₩5.0B ($3.5M)
2026-03-20BUY주식매수청구권 행사
박영원
Park Young-won
Managing Director15.0K---
2026-02-27BUY제3자배정유상증자
에이치투자조합
H Investment Association
-715.1K---
2025-07-02BUYMarket Buy
서유진
Seo Yujin
CEO30.0K₩6,180-11.8%₩185M ($129K)
2024-12-03BUY주식매수선택권
박영원
Park Young-won
Managing Director16.5K₩9,790-44.3%₩162M ($112K)
2024-12-03BUY주식매수선택권
홍사철
Hong Sa-cheol
vice president4.5K₩9,790-44.3%₩44M ($31K)
2024-03-31SELL임원퇴임
김태형
Taehyung Kim
moving-66.0K₩8,310+34.4%₩548M ($381K)

Frequently asked questions

Who has been buying Jin System stock?
1 distinct insiders have filed 1 disclosed insider purchases in Jin System (363250), most recently on 2026-04-01. 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 Jin System have?
Jin System has 1 buy-side and 0 sell-side disclosures on record, covering ₩185M ($129K) in total reported value, spanning 2024-03-31 to 2026-04-01.
Where does StockDrifts get Jin 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 Jin System. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.