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YMC 155650

Company
와이엠씨YMC
Insiders
2
Buys
6
Total Value
₩352M ($245K)
Avg Return
-0.65%
Last Filing
2026-06-26

YMC (155650) has 6 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩352M ($245K) in reported transaction value. The earliest filing StockDrifts holds for YMC is dated 2024-09-04; the most recent is 2026-06-26. 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 -0.65%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-06-26BUYMarket Buy
이윤용
Yunyong Lee
CEO14.0K---
2026-06-25BUYMarket Buy
박정근
Park Jeong-geun
Managing Director4.0K---
2026-06-25BUYMarket Buy
이윤용
Yunyong Lee
CEO16.0K---
2024-09-11BUYMarket Buy
박정근
Park Jeong-geun
Managing Director11.0K₩4,010+0.3%₩44M ($31K)
2024-09-05BUYMarket Buy
이윤용
Yunyong Lee
CEO45.3K₩4,080-1.5%₩185M ($128K)
2024-09-04BUYMarket Buy
이윤용
Yunyong Lee
CEO30.4K₩4,050-0.7%₩123M ($86K)

Frequently asked questions

Who has been buying YMC stock?
2 distinct insiders have filed 6 disclosed insider purchases in YMC (155650), most recently on 2026-06-26. 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 YMC have?
YMC has 6 buy-side and 0 sell-side disclosures on record, covering ₩352M ($245K) in total reported value, spanning 2024-09-04 to 2026-06-26.
Where does StockDrifts get YMC 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 YMC. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.