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YMT 251370

Company
와이엠티YMT
Insiders
2
Buys
4
Total Value
₩627M ($436K)
Avg Return
+24.88%
Last Filing
2026-04-10

YMT (251370) has 4 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩627M ($436K) in reported transaction value. The earliest filing StockDrifts holds for YMT is dated 2018-01-19; the most recent is 2026-04-10. 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 +24.88%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-04-10BUY자사주상여금
김균록
Gyunrok Kim
CEO1.8K₩16,710+1.7%₩29M ($20K)
2026-04-10BUY자사주상여금
전성욱
Seongwook Jeon
CEO5.6K₩16,710+1.7%₩93M ($65K)
2025-04-04BUY신규보고
한영태
Youngtae Han
Part-time auditor23.5K₩8,550+58.1%₩201M ($140K)
2024-12-03BUYMarket Buy
백성규
Seonggyu Baek
CEO10.1K₩10,910+23.9%₩110M ($77K)
2024-12-03BUYMarket Buy
전성욱
Seongwook Jeon
CEO8.0K₩10,910+23.9%₩87M ($61K)
2024-11-29BUYMarket Buy
전성욱
Seongwook Jeon
CEO20.0K₩10,800+25.2%₩216M ($150K)
2024-11-28BUYMarket Buy
전성욱
Seongwook Jeon
CEO20.0K₩10,690+26.5%₩214M ($148K)
2024-03-20SELL시간외매매
전상욱
Jeon Sang-wook
Managing Director-250.0K₩11,810-14.5%₩3.0B ($2.1M)
2020-08-20BUY무상신주취득
전성욱
Seongwook Jeon
CEO2.6M₩18,500-26.9%₩47.4B ($32.9M)
2018-01-19BUY무상신주취득
전성욱
Seongwook Jeon
CEO1.3M₩17,025-20.6%₩21.8B ($15.1M)

Frequently asked questions

Who has been buying YMT stock?
2 distinct insiders have filed 4 disclosed insider purchases in YMT (251370), most recently on 2026-04-10. 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 YMT have?
YMT has 4 buy-side and 0 sell-side disclosures on record, covering ₩627M ($436K) in total reported value, spanning 2018-01-19 to 2026-04-10.
Where does StockDrifts get YMT 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 YMT. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.