StockDrifts LogoStockDrifts

beneficiation 003100

Company
선광beneficiation
Insiders
0
Buys
0
Total Value
—
Avg Return
—
Last Filing
2026-06-30

beneficiation (003100) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for beneficiation is dated 2024-06-21; the most recent is 2026-06-30. 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
2026-07-29BUY신규보고
선광홀딩스
Sunkwang Holdings
-701.0K₩18,570+3.9%₩13.0B ($9.0M)
2026-07-29BUY신규보고
화인파트너스
Fine Partners
-883.6K₩18,570+3.9%₩16.4B ($11.4M)
2026-07-29SELL시간외매매
심충식
Sim Chung-sik
vice president-620.9K₩18,570-3.9%₩12.6B ($8.8M)
2026-07-29BUY신규보고
차지에이
Charge A
-765.9K₩18,570+3.9%₩14.2B ($9.9M)
2026-07-27SELL증여
심장식
heart food
--551.0K₩20,350+5.2%₩11.2B ($7.8M)
2026-07-24SELL증여
심정구
Sim Jeong-gu
Honorary Chairman-46.1K₩20,400+5.4%₩941M ($653K)
2026-06-30BUY신규선임
심우겸
Shim Woo-gyeom
moving175.0K---
2026-06-16SELL증여
심정구
Sim Jeong-gu
Honorary Chairman-100.0K---
2024-06-21SELL시간외매매
심충식
Sim Chung-sik
vice president-262.0K₩17,270-38.1%₩4.5B ($3.1M)
2022-05-26SELL시간외매매
심장식
heart food
--30.2K---

Frequently asked questions

Who has been buying beneficiation stock?
0 distinct insiders have filed 0 disclosed insider purchases in beneficiation (003100), most recently on 2026-06-30. 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 beneficiation have?
beneficiation has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-06-21 to 2026-06-30.
Where does StockDrifts get beneficiation 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 beneficiation. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.