Who has been buying KC Tech stock?

2 distinct insiders have filed 0 disclosed insider purchases in KC Tech (281820), most recently on 2026-06-05. 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 KC Tech have?

KC Tech has 0 buy-side and 7 sell-side disclosures on record, covering ₩4.3B ($3.0M) in total reported value, spanning 2024-02-20 to 2026-06-05.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

KC Tech 281820

Company

케이씨텍KC Tech

Insiders

Buys

Total Value

₩4.3B ($3.0M)

Avg Return

-8.33%

Last Filing

2026-06-05

KC Tech (281820) has 0 disclosed insider purchases and 7 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩4.3B ($3.0M) in reported transaction value. The earliest filing StockDrifts holds for KC Tech is dated 2024-02-20; the most recent is 2026-06-05. Across these filings the average return since disclosure is -8.33%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-06-05	SELL	Market Sell	정의훈 Jeong Eui-hoon	vice president	-2.4K	₩65,300	+0.0%	₩158M ($110K)
2026-03-25	BUY	자사주상여금	양호근 Yang Ho-geun	CEO	3.1K	₩49,750	+9.8%	₩155M ($107K)
2026-03-25	BUY	자사주상여금	최동규 Choi Dong-gyu	CEO	2.3K	₩49,750	+9.8%	₩115M ($80K)
2026-02-27	SELL	Market Sell	고상걸 Go Sang-geol	Internal director	-27.2K	-	-	-
2026-02-26	SELL	Market Sell	고상걸 Go Sang-geol	Internal director	-41.6K	₩51,000	+0.0%	₩2.1B ($1.5M)
2026-02-25	SELL	Market Sell	고상걸 Go Sang-geol	Internal director	-15.4K	₩47,850	-6.6%	₩739M ($513K)
2025-05-14	BUY	공개매수	케이씨 KC	-	889.9K	₩28,850	+76.8%	₩25.7B ($17.8M)
2025-03-27	BUY	자사주상여금	최동규 Choi Dong-gyu	CEO	2.3K	₩34,550	+47.6%	₩80M ($55K)
2025-03-27	BUY	자사주상여금	양호근 Yang Ho-geun	CEO	3.1K	₩34,550	+47.6%	₩107M ($75K)
2024-07-19	SELL	Market Sell	고상걸 Go Sang-geol	Internal director	-1.3K	₩43,100	-18.3%	₩56M ($39K)
2024-07-18	SELL	Market Sell	고상걸 Go Sang-geol	Internal director	-10.0K	₩44,150	-15.5%	₩442M ($307K)
2024-07-17	SELL	Market Sell	고상걸 Go Sang-geol	Internal director	-17.5K	₩46,550	-9.6%	₩815M ($566K)
2024-02-20	SELL	시간외매매	고상걸 Go Sang-geol	Internal director	-175.0K	₩33,750	-51.1%	₩5.9B ($4.1M)

Frequently asked questions

Who has been buying KC Tech stock?: 2 distinct insiders have filed 0 disclosed insider purchases in KC Tech (281820), most recently on 2026-06-05. 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 KC Tech have?: KC Tech has 0 buy-side and 7 sell-side disclosures on record, covering ₩4.3B ($3.0M) in total reported value, spanning 2024-02-20 to 2026-06-05.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.