StockDrifts LogoStockDrifts

RF Tech 061040

Company
알에프텍RF Tech
Insiders
2
Buys
10
Total Value
₩1.2B ($822K)
Avg Return
-45.83%
Last Filing
2026-05-07

RF Tech (061040) has 10 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩1.2B ($822K) in reported transaction value. The earliest filing StockDrifts holds for RF Tech is dated 2023-06-29; the most recent is 2026-05-07. 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 -45.83%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

DateTypeSourceInsiderPositionSharesPrice at filingReturnValue
2026-05-07SELL주식병합
오성첨단소재
Ohsung Advanced Materials
--11.0M₩9,690+24.1%₩106.8B ($74.2M)
2026-03-27BUY제3자배정유상증자
오성첨단소재
Ohsung Advanced Materials
-8.9M₩1,685+0.0%₩14.9B ($10.4M)
2026-03-27SELL장외매도
이진형
Jinhyung Lee
CEO-1.1M₩1,685+0.0%₩1.9B ($1.3M)
2026-03-27SELL장외매도
알에프스탠다드
RF Standard
--3.8M₩1,685+0.0%₩6.4B ($4.4M)
2024-12-10BUYMarket Buy
이진형
Jinhyung Lee
CEO20.0K₩3,785-46.6%₩76M ($53K)
2024-12-10BUYMarket Buy
차정운
Cha Jeong-woon
Internal director2.0K₩3,785-46.6%₩8M ($5K)
2024-12-09BUYMarket Buy
차정운
Cha Jeong-woon
Internal director1.0K₩3,490-42.1%₩3M ($2K)
2024-12-06BUYMarket Buy
차정운
Cha Jeong-woon
Internal director3.0K₩3,500-42.3%₩11M ($7K)
2024-12-05BUYMarket Buy
이진형
Jinhyung Lee
CEO20.0K₩3,725-45.8%₩75M ($52K)
2024-12-05BUYMarket Buy
차정운
Cha Jeong-woon
Internal director6.0K₩3,725-45.8%₩22M ($16K)
2024-12-04BUYMarket Buy
차정운
Cha Jeong-woon
Internal director2.0K₩3,890-48.1%₩8M ($5K)
2024-12-04BUYMarket Buy
이진형
Jinhyung Lee
CEO30.0K₩3,890-48.1%₩117M ($81K)
2024-12-03BUYMarket Buy
이진형
Jinhyung Lee
CEO100.0K₩3,880-47.9%₩388M ($269K)
2024-12-02BUYMarket Buy
이진형
Jinhyung Lee
CEO130.0K₩3,675-45.0%₩478M ($332K)
2023-06-29BUY콜옵션권리행사에따른주식취득
차정운
Cha Jeong-woon
Internal director40.1K₩4,560-55.7%₩183M ($127K)
2023-06-29BUY콜옵션권리행사에따른주식취득
이진형
Jinhyung Lee
CEO182.0K₩4,560-55.7%₩830M ($576K)

Frequently asked questions

Who has been buying RF Tech stock?
2 distinct insiders have filed 10 disclosed insider purchases in RF Tech (061040), most recently on 2026-05-07. 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 RF Tech have?
RF Tech has 10 buy-side and 0 sell-side disclosures on record, covering ₩1.2B ($822K) in total reported value, spanning 2023-06-29 to 2026-05-07.
Where does StockDrifts get RF Tech 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 RF Tech. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.