Who has been buying Hanmi Pharmaceutical stock?

3 distinct insiders have filed 445 disclosed insider purchases in Hanmi Pharmaceutical (128940), most recently on 2026-06-30. 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 Hanmi Pharmaceutical have?

Hanmi Pharmaceutical has 445 buy-side and 468 sell-side disclosures on record, covering ₩1.48T ($1.0B) in total reported value, spanning 2024-01-02 to 2026-06-30.

Where does StockDrifts get Hanmi Pharmaceutical 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.

Hanmi Pharmaceutical 128940

Company

한미약품Hanmi Pharmaceutical

Insiders

Buys

445

Total Value

₩1.48T ($1.0B)

Avg Return

-0.08%

Last Filing

2026-06-30

Hanmi Pharmaceutical (128940) has 445 disclosed insider purchases and 468 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩1.48T ($1.0B) in reported transaction value. The earliest filing StockDrifts holds for Hanmi Pharmaceutical is dated 2024-01-02; the most recent is 2026-06-30. 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 -0.08%, 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
2026-08-04	BUY	PROGRAM	이상현 Sanghyun Lee	Managing Director	75	₩378,000	+5.0%	₩29M ($20K)
2026-08-04	BUY	PROGRAM	이문희 Moonhee Lee	Managing Director	57	₩378,000	+5.0%	₩22M ($15K)
2026-08-04	BUY	PROGRAM	이원택 Wontaek Lee	Assistant Managing Director	17	₩378,000	+5.0%	₩7M ($5K)
2026-08-04	BUY	PROGRAM	이승엽 Lee Seung-yeop	Managing Director	86	₩378,000	+5.0%	₩34M ($23K)
2026-08-04	BUY	PROGRAM	배성민 Seongmin Bae	Managing Director	188	₩378,000	+5.0%	₩73M ($51K)
2026-08-04	BUY	PROGRAM	전해민 Jeon Hae-min	Managing Director	336	₩378,000	+5.0%	₩131M ($91K)
2026-08-04	BUY	PROGRAM	황상연 Hwang Sang-yeon	CEO (President)	102	₩378,000	+5.0%	₩40M ($28K)
2026-08-04	BUY	PROGRAM	이동한 moved	Assistant Managing Director	35	₩378,000	+5.0%	₩14M ($9K)
2026-08-04	BUY	PROGRAM	최창주 Changju Choi	Managing Director	67	₩378,000	+5.0%	₩26M ($18K)
2026-08-04	BUY	PROGRAM	정민도 Jeong Min-do	Assistant Managing Director	31	₩378,000	+5.0%	₩12M ($8K)
2026-08-04	BUY	PROGRAM	손지원 Son Ji-won	Managing Director	60	₩378,000	+5.0%	₩23M ($16K)
2026-08-04	BUY	PROGRAM	신해곤 Shin Hae-gon	Managing Director	34	₩378,000	+5.0%	₩13M ($9K)
2026-08-04	BUY	PROGRAM	구인모 Guinmo	Assistant Managing Director	36	₩378,000	+5.0%	₩14M ($10K)
2026-08-04	BUY	PROGRAM	김대진 Daejin Kim	Managing Director	69	₩378,000	+5.0%	₩27M ($19K)
2026-08-04	BUY	PROGRAM	서상현 Sanghyun Seo	Assistant Managing Director	21	₩378,000	+5.0%	₩8M ($6K)
2026-08-04	BUY	PROGRAM	김상종 Sangjong Kim	Assistant Managing Director	22	₩378,000	+5.0%	₩9M ($6K)
2026-08-04	BUY	PROGRAM	최인영 Inyoung Choi	Executive Director (Vice President)	528	₩378,000	+5.0%	₩206M ($143K)
2026-08-04	BUY	PROGRAM	임호택 Lim Ho-taek	Managing Director	16	₩378,000	+5.0%	₩6M ($4K)
2026-08-04	BUY	PROGRAM	김나영 Nayoung Kim	Executive Director (Vice President)	82	₩378,000	+5.0%	₩32M ($22K)
2026-08-04	BUY	PROGRAM	두명국 Dumyeongguk	Managing Director	16	₩378,000	+5.0%	₩6M ($4K)
2026-08-04	BUY	PROGRAM	김세권 Se-kwon Kim	Managing Director	29	₩378,000	+5.0%	₩11M ($8K)
2026-08-04	BUY	PROGRAM	이정훈 Jeonghoon Lee	Managing Director	54	₩378,000	+5.0%	₩21M ($15K)
2026-07-31	SELL	Market Sell	국민연금공단 National Pension Service	-	-54.7K	₩333,500	-13.3%	₩17.2B ($11.9M)
2026-07-31	BUY	Market Buy	국민연금공단 National Pension Service	-	31	₩333,500	+13.3%	₩10M ($7K)
2026-07-30	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.3K	₩311,500	-21.4%	₩464M ($323K)
2026-07-28	SELL	Market Sell	국민연금공단 National Pension Service	-	-6.9K	₩374,500	-0.9%	₩2.7B ($1.9M)
2026-07-27	SELL	Market Sell	국민연금공단 National Pension Service	-	-5.8K	₩390,500	+3.2%	₩2.2B ($1.5M)
2026-07-24	SELL	Market Sell	국민연금공단 National Pension Service	-	-25.5K	₩392,000	+3.6%	₩9.4B ($6.5M)
2026-07-23	SELL	Market Sell	국민연금공단 National Pension Service	-	-12.2K	₩389,000	+2.8%	₩4.5B ($3.2M)
2026-07-23	BUY	Market Buy	국민연금공단 National Pension Service	-	1.8K	₩389,000	-2.8%	₩678M ($471K)
2026-07-22	SELL	Market Sell	국민연금공단 National Pension Service	-	-5.2K	₩369,000	-2.4%	₩1.9B ($1.3M)
2026-07-21	SELL	Market Sell	국민연금공단 National Pension Service	-	-849	₩372,500	-1.5%	₩322M ($224K)
2026-07-20	SELL	Market Sell	국민연금공단 National Pension Service	-	-1.3K	₩372,000	-1.6%	₩500M ($347K)
2026-07-20	BUY	Market Buy	국민연금공단 National Pension Service	-	2.1K	₩372,000	+1.6%	₩798M ($554K)
2026-07-16	SELL	Market Sell	국민연금공단 National Pension Service	-	-8.7K	₩386,000	+2.1%	₩3.1B ($2.1M)
2026-07-15	SELL	Market Sell	국민연금공단 National Pension Service	-	-4.8K	₩384,500	+1.7%	₩1.9B ($1.3M)
2026-07-14	SELL	Market Sell	국민연금공단 National Pension Service	-	-7.3K	₩356,500	-6.0%	₩2.9B ($2.0M)
2026-07-13	SELL	Market Sell	국민연금공단 National Pension Service	-	-2.5K	₩381,500	+0.9%	₩1.0B ($701K)
2026-07-13	BUY	Market Buy	국민연금공단 National Pension Service	-	7.1K	₩381,500	-0.9%	₩2.9B ($2.0M)
2026-07-10	BUY	Market Buy	국민연금공단 National Pension Service	-	13.6K	₩389,000	-2.8%	₩5.6B ($3.9M)
2026-07-10	SELL	Market Sell	국민연금공단 National Pension Service	-	-652	₩389,000	+2.8%	₩269M ($187K)
2026-07-09	BUY	Market Buy	국민연금공단 National Pension Service	-	11.8K	₩401,000	-5.7%	₩5.1B ($3.5M)
2026-07-09	SELL	Market Sell	국민연금공단 National Pension Service	-	-3.0K	₩401,000	+5.7%	₩1.3B ($871K)
2026-07-08	SELL	Market Sell	국민연금공단 National Pension Service	-	-2.7K	₩409,000	+7.6%	₩1.2B ($806K)
2026-07-08	BUY	Market Buy	국민연금공단 National Pension Service	-	1.1K	₩409,000	-7.6%	₩488M ($339K)
2026-07-07	SELL	Market Sell	국민연금공단 National Pension Service	-	-2.2K	₩430,000	+12.1%	₩1.0B ($709K)
2026-07-07	BUY	Market Buy	국민연금공단 National Pension Service	-	8.1K	₩430,000	-12.1%	₩3.7B ($2.6M)
2026-07-06	BUY	Market Buy	국민연금공단 National Pension Service	-	23.9K	₩423,000	-10.6%	₩10.6B ($7.4M)
2026-07-03	BUY	Market Buy	국민연금공단 National Pension Service	-	8.6K	₩423,000	-10.6%	₩3.6B ($2.5M)
2026-07-03	SELL	Market Sell	국민연금공단 National Pension Service	-	-549	₩423,000	+10.6%	₩230M ($160K)

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying Hanmi Pharmaceutical stock?: 3 distinct insiders have filed 445 disclosed insider purchases in Hanmi Pharmaceutical (128940), most recently on 2026-06-30. 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 Hanmi Pharmaceutical have?: Hanmi Pharmaceutical has 445 buy-side and 468 sell-side disclosures on record, covering ₩1.48T ($1.0B) in total reported value, spanning 2024-01-02 to 2026-06-30.
Where does StockDrifts get Hanmi Pharmaceutical 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 Hanmi Pharmaceutical. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.