Who has been buying Hanmi Science stock?

3 distinct insiders have filed 16 disclosed insider purchases in Hanmi Science (008930), most recently on 2026-07-01. 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 Science have?

Hanmi Science has 16 buy-side and 3 sell-side disclosures on record, covering ₩12.0B ($8.3M) in total reported value, spanning 2022-11-01 to 2026-07-01.

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.

Hanmi Science 008930

Company

한미사이언스Hanmi Science

Insiders

Buys

Total Value

₩12.0B ($8.3M)

Avg Return

+4.55%

Last Filing

2026-07-01

Hanmi Science (008930) has 16 disclosed insider purchases and 3 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩12.0B ($8.3M) in reported transaction value. The earliest filing StockDrifts holds for Hanmi Science is dated 2022-11-01; the most recent is 2026-07-01. Across these filings the average return since disclosure is +4.55%, 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
2026-09-09	SELL	Market Sell	이준원 Lee Jun-won	Assistant Managing Director	-40	₩56,000	+8.8%	₩2M ($2K)
2026-08-27	BUY	Market Buy	김재교 Jaekyo Kim	vice president	750	₩42,100	+8.8%	₩35M ($24K)
2026-08-07	BUY	장외매수	신동국 Shin Dong-guk	Other non-executive directors	3.6M	₩44,650	-1.1%	₩172.7B ($120.0M)
2026-08-05	SELL	장외매도	임종훈 Jong-Hoon Lim	Internal director	-1.7M	₩40,350	-12.0%	₩82.1B ($57.0M)
2026-08-04	BUY	PROGRAM	조정근 Jeonggeun Jo	Managing Director	540	₩39,200	+15.3%	₩19M ($13K)
2026-08-04	BUY	PROGRAM	정원화 garden flowers	Managing Director	286	₩39,200	+15.3%	₩10M ($7K)
2026-08-04	BUY	PROGRAM	권순기 Soonki Kwon	Managing Director	706	₩39,200	+15.3%	₩25M ($17K)
2026-08-04	BUY	PROGRAM	김한곤 Kim Han-gon	Assistant Managing Director	288	₩39,200	+15.3%	₩10M ($7K)
2026-08-04	BUY	PROGRAM	김성훈 Seonghun Kim	Managing Director	1.1K	₩39,200	+15.3%	₩40M ($28K)
2026-08-04	BUY	PROGRAM	나민수 Minsu Nam	Assistant Managing Director	137	₩39,200	+15.3%	₩5M ($3K)
2026-08-04	BUY	PROGRAM	맹지웅 Jiwoong Maeng	Managing Director	2.4K	₩39,200	+15.3%	₩85M ($59K)
2026-08-04	BUY	PROGRAM	한지연 Jiyeon Han	Managing Director	288	₩39,200	+15.3%	₩10M ($7K)
2026-08-04	BUY	PROGRAM	한승우 Seungwoo Han	Assistant Managing Director	311	₩39,200	+15.3%	₩11M ($8K)
2026-08-04	BUY	PROGRAM	신준섭 Shin Jun-seop	Managing Director	389	₩39,200	+15.3%	₩14M ($10K)
2026-08-04	BUY	PROGRAM	심병화 Shim Byeong-hwa	vice president	900	₩39,200	+15.3%	₩32M ($22K)
2026-08-04	BUY	PROGRAM	이준원 Lee Jun-won	Assistant Managing Director	259	₩39,200	+15.3%	₩9M ($6K)
2026-08-04	BUY	PROGRAM	김재교 Jaekyo Kim	vice president	3.5K	₩39,200	+15.3%	₩123M ($85K)
2026-07-31	SELL	기타	임주현 Joohyun Lim	vice president	-50.0K	₩35,850	-24.6%	₩1.8B ($1.2M)
2026-07-01	BUY	PROGRAM	이경우 In this case	Managing Director	175	₩30,650	+47.5%	₩5M ($4K)
2026-07-01	BUY	신규선임	이준원 Lee Jun-won	Assistant Managing Director	813	₩30,650	+3.8%	₩25M ($17K)
2026-06-24	BUY	차입	임주현 Joohyun Lim	vice president	500.0K	₩28,100	+13.2%	₩14.1B ($9.8M)
2026-06-09	BUY	Market Buy	김재교 Jaekyo Kim	vice president	1.0K	-	-	-
2026-03-27	BUY	장외매수	신동국 Shin Dong-guk	Other non-executive directors	4.4M	₩38,400	+2.9%	₩169.3B ($117.6M)
2026-03-18	BUY	Market Buy	김재교 Jaekyo Kim	vice president	744	₩38,400	+0.0%	₩29M ($20K)
2026-02-27	BUY	Market Buy	김재교 Jaekyo Kim	vice president	250	₩43,600	-11.9%	₩11M ($8K)
2026-02-13	BUY	Market Buy	김재교 Jaekyo Kim	vice president	456	₩41,550	-7.6%	₩19M ($13K)
2026-01-23	BUY	PROGRAM	권순기 Soonki Kwon	Managing Director	507	₩40,400	-5.0%	₩20M ($14K)
2026-01-23	BUY	PROGRAM	한지연 Jiyeon Han	Managing Director	320	₩40,400	-5.0%	₩13M ($9K)
2026-01-23	BUY	PROGRAM	정원화 garden flowers	Managing Director	244	₩40,400	-5.0%	₩10M ($7K)
2026-01-23	BUY	PROGRAM	정대수 Jeong Dae-su	Managing Director	145	₩40,400	-5.0%	₩6M ($4K)
2026-01-23	BUY	PROGRAM	한승우 Seungwoo Han	Assistant Managing Director	265	₩40,400	-5.0%	₩11M ($7K)
2026-01-23	BUY	PROGRAM	조정근 Jeonggeun Jo	Managing Director	487	₩40,400	-5.0%	₩20M ($14K)
2026-01-23	BUY	PROGRAM	심병화 Shim Byeong-hwa	vice president	811	₩40,400	-5.0%	₩33M ($23K)
2026-01-23	BUY	PROGRAM	배명호 Bae Myung-ho	Assistant Managing Director	365	₩40,400	-5.0%	₩15M ($10K)
2026-01-23	BUY	PROGRAM	이승엽 Lee Seung-yeop	Managing Director	676	₩40,400	-5.0%	₩27M ($19K)
2026-01-23	BUY	PROGRAM	맹지웅 Jiwoong Maeng	Assistant Managing Director	433	₩40,400	-5.0%	₩17M ($12K)
2026-01-23	BUY	PROGRAM	나민수 Minsu Nam	Assistant Managing Director	237	₩40,400	-5.0%	₩10M ($7K)
2026-01-23	BUY	PROGRAM	김성훈 Seonghun Kim	Managing Director	744	₩40,400	-5.0%	₩30M ($21K)
2026-01-23	BUY	PROGRAM	김한곤 Kim Han-gon	Assistant Managing Director	487	₩40,400	-5.0%	₩20M ($14K)
2026-01-23	BUY	PROGRAM	김재교 Jaekyo Kim	vice president	3.2K	₩40,400	-5.0%	₩131M ($91K)
2025-11-27	BUY	Market Buy	김재교 Jaekyo Kim	vice president	1.0K	₩38,000	+1.1%	₩38M ($26K)
2025-11-04	BUY	Market Buy	김재교 Jaekyo Kim	vice president	750	₩40,500	-5.2%	₩30M ($21K)
2025-10-10	BUY	Market Buy	김재교 Jaekyo Kim	vice president	700	₩37,350	+2.8%	₩26M ($18K)
2025-07-30	BUY	Market Buy	김재교 Jaekyo Kim	vice president	350	₩51,900	-26.0%	₩18M ($13K)
2025-06-30	BUY	Market Buy	김재교 Jaekyo Kim	vice president	340	₩44,800	-14.3%	₩15M ($11K)
2025-05-29	BUY	Market Buy	김재교 Jaekyo Kim	vice president	330	₩35,300	+8.8%	₩12M ($8K)
2025-05-07	BUY	Market Buy	김재교 Jaekyo Kim	vice president	330	₩28,500	+34.7%	₩9M ($7K)
2025-05-07	BUY	신규선임	배명호 Bae Myung-ho	Assistant Managing Director	60	₩28,500	+34.7%	₩2M ($1K)
2025-04-16	BUY	Market Buy	킬링턴 Killington	-	1.5K	₩28,000	+37.1%	₩42M ($29K)
2025-04-14	BUY	Market Buy	킬링턴 Killington	-	45.8K	₩28,100	+36.6%	₩1.3B ($894K)

Showing the 50 most recent of 98 filings.

Frequently asked questions

Who has been buying Hanmi Science stock?: 3 distinct insiders have filed 16 disclosed insider purchases in Hanmi Science (008930), most recently on 2026-07-01. 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 Science have?: Hanmi Science has 16 buy-side and 3 sell-side disclosures on record, covering ₩12.0B ($8.3M) in total reported value, spanning 2022-11-01 to 2026-07-01.
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.