Who has been buying Humedics stock?

5 distinct insiders have filed 4 disclosed insider purchases in Humedics (200670), most recently on 2026-04-27. 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 Humedics have?

Humedics has 4 buy-side and 8 sell-side disclosures on record, covering ₩804M ($559K) in total reported value, spanning 2024-12-19 to 2026-04-27.

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.

Humedics 200670

Company

휴메딕스Humedics

Insiders

Buys

Total Value

₩804M ($559K)

Avg Return

+14.08%

Last Filing

2026-04-27

Humedics (200670) has 4 disclosed insider purchases and 8 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩804M ($559K) in reported transaction value. The earliest filing StockDrifts holds for Humedics is dated 2024-12-19; the most recent is 2026-04-27. Across these filings the average return since disclosure is +14.08%, 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
2026-04-27	BUY	Market Buy	윤연상 Yeonsang Yoon	moving	1.4K	₩36,200	+1.5%	₩52M ($36K)
2026-04-24	BUY	Market Buy	윤연상 Yeonsang Yoon	moving	1.4K	₩35,600	+3.2%	₩51M ($36K)
2026-04-23	BUY	Market Buy	윤연상 Yeonsang Yoon	moving	1.4K	₩34,750	+5.8%	₩49M ($34K)
2026-04-22	BUY	Market Buy	윤연상 Yeonsang Yoon	moving	1.4K	₩34,850	+5.5%	₩49M ($34K)
2025-11-14	BUY	수증	윤연상 Yeonsang Yoon	moving	41.0K	₩49,550	-11.2%	₩2.0B ($1.4M)
2025-11-14	SELL	증여	윤성태 Seongtae Yoon	Other non-executive directors	-41.0K	₩49,550	+11.2%	₩2.0B ($1.4M)
2025-09-08	SELL	Market Sell	장윤진 Yunjin Jang	moving	-1.9K	₩63,600	+30.8%	₩124M ($86K)
2025-09-03	BUY	주식매수선택권	장윤진 Yunjin Jang	moving	1.9K	₩54,000	-18.5%	₩105M ($73K)
2025-07-22	SELL	Market Sell	장윤진 Yunjin Jang	moving	-2.3K	₩73,000	+39.7%	₩170M ($118K)
2025-07-21	SELL	Market Sell	이은숙 Eunsuk Lee	moving	-417	₩57,900	+24.0%	₩24M ($17K)
2025-07-09	SELL	Market Sell	이은숙 Eunsuk Lee	moving	-417	₩55,700	+21.0%	₩23M ($16K)
2025-07-02	SELL	Market Sell	이은숙 Eunsuk Lee	moving	-417	₩54,300	+19.0%	₩23M ($16K)
2025-06-23	BUY	주식매수선택권	이은숙 Eunsuk Lee	moving	1.3K	₩58,400	-24.7%	₩73M ($51K)
2025-06-02	SELL	Market Sell	하재석 Ha Jae-seok	Managing Director	-1.9K	₩53,500	+17.8%	₩104M ($72K)
2025-05-26	BUY	주식매수선택권	하재석 Ha Jae-seok	Managing Director	1.9K	₩55,600	-20.9%	₩108M ($75K)
2025-03-26	BUY	신규선임	윤연상 Yeonsang Yoon	moving	87.4K	₩40,750	+8.0%	₩3.6B ($2.5M)
2025-01-02	SELL	Market Sell	배준규 Bae Jun-gyu	Managing Director	-333	₩42,550	-3.4%	₩14M ($10K)
2024-12-23	SELL	Market Sell	배준규 Bae Jun-gyu	Managing Director	-2.6K	₩45,900	+4.1%	₩120M ($83K)
2024-12-19	BUY	주식매수선택권	배준규 Bae Jun-gyu	Managing Director	1.9K	₩42,850	+2.7%	₩83M ($58K)

Frequently asked questions

Who has been buying Humedics stock?: 5 distinct insiders have filed 4 disclosed insider purchases in Humedics (200670), most recently on 2026-04-27. 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 Humedics have?: Humedics has 4 buy-side and 8 sell-side disclosures on record, covering ₩804M ($559K) in total reported value, spanning 2024-12-19 to 2026-04-27.
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.