Who has been buying HEM perm stock?

3 distinct insiders have filed 0 disclosed insider purchases in HEM perm (376270), most recently on 2026-07-06. 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 HEM perm have?

HEM perm has 0 buy-side and 8 sell-side disclosures on record, covering ₩1.7B ($1.2M) in total reported value, spanning 2017-12-19 to 2026-07-06.

Where does StockDrifts get HEM perm 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.

HEM perm 376270

Company

HEM파마HEM perm

Insiders

Buys

Total Value

₩1.7B ($1.2M)

Avg Return

-69.76%

Last Filing

2026-07-06

HEM perm (376270) has 0 disclosed insider purchases and 8 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩1.7B ($1.2M) in reported transaction value. The earliest filing StockDrifts holds for HEM perm is dated 2017-12-19; the most recent is 2026-07-06. 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 -69.76%, 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
2026-07-06	BUY	주식매수선택권	박소영 Park So-young	Senior Managing Director	10.0K	₩40,900	-2.1%	₩407M ($283K)
2026-06-15	BUY	주식매수선택권	김봉준 Bongjun Kim	vice president	6.0K	-	-	-
2026-03-31	SELL	임원퇴임	권순철 Sooncheol Kwon	Other non-executive directors	-36.6K	₩70,800	+20.2%	₩2.6B ($1.8M)
2026-01-02	SELL	Market Sell	이덕근 Deokgeun Lee	advisory	-7.0K	₩47,100	-70.9%	₩330M ($229K)
2025-12-23	SELL	Market Sell	박한은 Park Han-eun	moving	-14.3K	₩45,850	-75.6%	₩656M ($456K)
2025-12-22	SELL	Market Sell	박한은 Park Han-eun	moving	-3.4K	₩44,750	-79.9%	₩151M ($105K)
2025-12-18	SELL	Market Sell	박한은 Park Han-eun	moving	-417	₩46,150	-74.4%	₩19M ($13K)
2025-12-17	SELL	Market Sell	박한은 Park Han-eun	moving	-364	₩46,900	-71.6%	₩17M ($12K)
2025-12-03	SELL	Market Sell	김종국 Kim Jong-kook	Managing Director	-10.0K	₩55,100	-46.1%	₩551M ($383K)
2025-12-01	BUY	주식매수선택권	권순철 Sooncheol Kwon	Other non-executive directors	36.6K	₩49,500	+62.6%	₩1.8B ($1.3M)
2025-11-26	BUY	주식매수선택권	이덕근 Deokgeun Lee	advisory	7.0K	₩42,900	+87.7%	₩300M ($209K)
2025-11-10	BUY	주식매수청구권 행사	김종국 Kim Jong-kook	moving	10.0K	₩27,600	+191.7%	₩276M ($192K)
2025-06-19	BUY	주식매수청구권 행사	박한은 Park Han-eun	moving	33.2K	₩20,700	+288.9%	₩687M ($477K)
2025-06-12	BUY	주식매수청구권 행사	박소영 Park So-young	Senior Managing Director	33.2K	₩21,550	+273.6%	₩715M ($497K)
2024-11-05	BUY	무상신주취득	박한은 Park Han-eun	moving	4.5K	₩16,400	+390.9%	₩74M ($51K)
2024-11-05	BUY	무상신주취득	정은성 Eunseong Jeong	Managing Director	3.0K	₩16,400	+390.9%	₩49M ($34K)
2024-11-05	BUY	무상신주취득	김봉준 Bongjun Kim	vice president	13.0K	₩16,400	+390.9%	₩213M ($148K)
2024-11-05	BUY	무상신주취득	박소영 Park So-young	Managing Director	10.0K	₩16,400	+390.9%	₩164M ($114K)
2024-11-05	BUY	무상신주취득	빌헤름홀잡펠 Wilhelmholzappel	Director of Research Institute	821.1K	₩16,400	+390.9%	₩13.5B ($9.4M)
2024-11-05	BUY	무상신주취득	지요셉 Joseph	CEO	877.4K	₩16,400	+390.9%	₩14.4B ($10.0M)
2017-12-24	SELL	Market Sell	박한은 Park Han-eun	moving	-2.2K	-	-	-
2017-12-19	SELL	Market Sell	박한은 Park Han-eun	moving	-529	-	-	-

Frequently asked questions

Who has been buying HEM perm stock?: 3 distinct insiders have filed 0 disclosed insider purchases in HEM perm (376270), most recently on 2026-07-06. 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 HEM perm have?: HEM perm has 0 buy-side and 8 sell-side disclosures on record, covering ₩1.7B ($1.2M) in total reported value, spanning 2017-12-19 to 2026-07-06.
Where does StockDrifts get HEM perm 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 HEM perm. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.