Who has been buying EMTECH stock?

3 distinct insiders have filed 4 disclosed insider purchases in EMTECH (091120), most recently on 2026-07-08. 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 EMTECH have?

EMTECH has 4 buy-side and 0 sell-side disclosures on record, covering ₩51M ($35K) in total reported value, spanning 2022-08-02 to 2026-07-08.

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.

EMTECH 091120

Company

이엠텍EMTECH

Insiders

Buys

Total Value

₩51M ($35K)

Avg Return

-0.35%

Last Filing

2026-07-08

EMTECH (091120) has 4 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩51M ($35K) in reported transaction value. The earliest filing StockDrifts holds for EMTECH is dated 2022-08-02; the most recent is 2026-07-08. Across these filings the average return since disclosure is -0.35%, 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
2026-09-08	BUY	Market Buy	이석근 Seokgeun Lee	CEO	2.4K	₩4,850	+3.0%	₩12M ($8K)
2026-08-26	BUY	Market Buy	정승규 Seunggyu Jeong	CEO	23.4K	₩4,850	+2.0%	₩97M ($68K)
2026-08-25	BUY	Market Buy	정승규 Seunggyu Jeong	CEO	9.0K	₩4,750	+4.1%	₩39M ($27K)
2026-08-24	BUY	Market Buy	정승규 Seunggyu Jeong	CEO	2.6K	₩4,345	+13.8%	₩11M ($8K)
2026-08-20	BUY	Market Buy	정승규 Seunggyu Jeong	CEO	25.0K	₩4,200	+17.7%	₩119M ($83K)
2026-08-18	BUY	Market Buy	이상용 Lee Sang-yong	Outside Director	1.2K	₩4,055	+8.3%	₩5M ($3K)
2026-07-30	BUY	Market Buy	이상용 Lee Sang-yong	Outside Director	60	-	-	-
2026-07-29	BUY	Market Buy	이상용 Lee Sang-yong	Outside Director	50	-	-	-
2026-07-20	BUY	Market Buy	이상용 Lee Sang-yong	Outside Director	2.7K	₩3,870	+3.9%	₩10M ($7K)
2026-07-08	BUY	Market Buy	이영희 Younghee Lee	Outside Director	3.3K	₩3,810	+1.2%	₩13M ($9K)
2026-06-26	BUY	Market Buy	이영희 Younghee Lee	Outside Director	2.0K	₩3,555	+8.4%	₩7M ($5K)
2026-06-04	BUY	Market Buy	이진우 Jinwoo Lee	Outside Director	2.5K	₩4,905	-10.3%	₩12M ($9K)
2026-06-01	BUY	Market Buy	최동규 Choi Dong-gyu	Full-time auditor	3.9K	₩4,795	-0.7%	₩19M ($13K)
2026-04-27	SELL	증여	정승규 Seunggyu Jeong	CEO	-171.3K	₩6,730	-8.6%	₩1.2B ($801K)
2025-03-10	BUY	Market Buy	이석근 Seokgeun Lee	CEO	1.8K	-	-	-
2024-02-15	BUY	기타	이석근 Seokgeun Lee	CEO	1.6K	-	-	-
2023-02-14	BUY	기타	이석근 Seokgeun Lee	CEO	1.6K	-	-	-
2022-08-02	BUY	유상신주취득	이석근 Seokgeun Lee	CEO	340	-	-	-
2022-08-02	BUY	유상신주취득	정승규 Seunggyu Jeong	CEO	198.6K	-	-	-
2022-02-17	BUY	기타	이석근 Seokgeun Lee	CEO	1.6K	-	-	-
2021-04-16	BUY	기타	이석근 Seokgeun Lee	CEO	100	-	-	-

Frequently asked questions

Who has been buying EMTECH stock?: 3 distinct insiders have filed 4 disclosed insider purchases in EMTECH (091120), most recently on 2026-07-08. 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 EMTECH have?: EMTECH has 4 buy-side and 0 sell-side disclosures on record, covering ₩51M ($35K) in total reported value, spanning 2022-08-02 to 2026-07-08.
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.