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Keystron 475430

Company
키스트론Keystron
Insiders
0
Buys
0
Total Value
—
Avg Return
—
Last Filing
2026-01-19

Keystron (475430) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Keystron is dated 2026-01-19; the most recent is 2026-01-19. 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
2026-08-14BUY신규보고
신가윤
Shin Ga-yoon
-72.9K₩4,575+0.0%₩334M ($232K)
2026-08-14BUY신규보고
신재명
Jaemyung Shin
CEO315.5K₩4,575+0.0%₩1.4B ($1.0M)
2026-08-14BUY수증
신재명
Jaemyung Shin
CEO749.6K₩4,575+0.0%₩3.4B ($2.4M)
2026-08-14BUY수증
신가윤
Shin Ga-yoon
-92.3K₩4,575+0.0%₩422M ($293K)
2026-08-14SELL증여
홍영철
Youngcheol Hong
--842.0K₩4,575+0.0%₩3.9B ($2.7M)
2026-08-10BUY장외매수
키스트론홀딩스
Keystron Holdings
-1.1M₩4,535+0.1%₩4.8B ($3.4M)
2026-08-10BUY장외매수
키스트론홀딩스
Keystron Holdings
-455.8K₩4,535+0.1%₩2.1B ($1.4M)
2026-08-10SELL장외매도
키스와이어홀딩스
Kisswire Holdings
--940.5K₩4,535-0.1%₩4.3B ($3.0M)
2026-08-10BUY장외매수
홍희연
Hong Hee-yeon
-940.5K₩4,535+0.1%₩4.3B ($3.0M)
2026-08-10SELL장외매도
홍덕산업
Hongdeok Industry
--1.1M₩4,535-0.1%₩4.8B ($3.4M)
2026-08-10SELL장외매도
홍석표
Hong Seok-pyo
--455.8K₩4,535-0.1%₩2.1B ($1.4M)
2026-01-19BUY장외매수
키스트론홀딩스
Keystron Holdings
-960.3K₩4,485+11.0%₩4.3B ($3.0M)
2026-01-19SELL장외매도
홍석표
Hong Seok-pyo
--960.3K₩4,485-11.0%₩4.3B ($3.0M)
2026-01-19SELL증여
홍영철
Youngcheol Hong
--1.1M₩4,485-11.0%₩5.0B ($3.5M)
2026-01-19BUY수증
홍희연
Hong Hee-yeon
-1.1M₩4,485+11.0%₩5.0B ($3.5M)
2026-01-19BUY장외매수
키스트론홀딩스
Keystron Holdings
-1.1M₩4,485+11.0%₩4.8B ($3.3M)
2026-01-19SELL장외매도
홍덕산업
Hongdeok Industry
--1.1M₩4,485-11.0%₩4.8B ($3.3M)

Frequently asked questions

Who has been buying Keystron stock?
0 distinct insiders have filed 0 disclosed insider purchases in Keystron (475430), most recently on 2026-01-19. 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 Keystron have?
Keystron has 0 buy-side and 0 sell-side disclosures on record, spanning 2026-01-19 to 2026-01-19.
Where does StockDrifts get Keystron 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 Keystron. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.