Who has been buying Palmgen Science stock?

1 distinct insiders have filed 1 disclosed insider purchases in Palmgen Science (004720), most recently on 2026-05-11. 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 Palmgen Science have?

Palmgen Science has 1 buy-side and 1 sell-side disclosures on record, covering ₩12M ($8K) in total reported value, spanning 2024-04-01 to 2026-05-11.

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.

Palmgen Science 004720

Company

팜젠사이언스Palmgen Science

Insiders

Buys

Total Value

₩12M ($8K)

Avg Return

-2.90%

Last Filing

2026-05-11

Palmgen Science (004720) has 1 disclosed insider purchases and 1 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩12M ($8K) in reported transaction value. The earliest filing StockDrifts holds for Palmgen Science is dated 2024-04-01; the most recent is 2026-05-11. Across these filings the average return since disclosure is -2.90%, 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
2026-05-11	BUY	전환사채의권리행사	한대희 Daehee Han	management leader	269.2K	₩3,830	-2.1%	₩1.0B ($716K)
2026-05-11	BUY	콜옵션권리행사에따른주식취득	한대희 Daehee Han	management leader	269.2K	₩3,830	-2.1%	₩1.0B ($716K)
2026-05-11	SELL	전환등	한대희 Daehee Han	management leader	-269.2K	₩3,830	+2.1%	₩1.0B ($716K)
2025-12-11	SELL	전환등	유재만 Jaeman Yoo	Full-time auditor	-514.1K	₩4,345	+3.7%	₩2.2B ($1.6M)
2025-12-11	SELL	전환등	한의상 Korean clothing	Chairman	-2.1M	₩4,345	+3.7%	₩8.9B ($6.2M)
2025-12-11	BUY	전환사채의권리행사	배정익 Bae Jeong-ik	management leader	25.7K	₩4,345	-3.7%	₩112M ($78K)
2025-12-11	BUY	전환사채의권리행사	한의상 Korean clothing	Chairman	2.1M	₩4,345	-3.7%	₩8.9B ($6.2M)
2025-12-11	BUY	전환사채의권리행사	유재만 Jaeman Yoo	Full-time auditor	514.1K	₩4,345	-3.7%	₩2.2B ($1.6M)
2025-12-11	BUY	전환사채의권리행사	박상현 Sanghyun Park	management leader	51.4K	₩4,345	-3.7%	₩223M ($155K)
2025-12-11	SELL	전환등	박상현 Sanghyun Park	management leader	-51.4K	₩4,345	+3.7%	₩223M ($155K)
2025-12-11	SELL	전환등	배정익 Bae Jeong-ik	management leader	-25.7K	₩4,345	+3.7%	₩112M ($78K)
2025-06-11	BUY	기타	박상현 Sanghyun Park	management leader	25.7K	₩4,485	-6.7%	₩115M ($80K)
2025-04-11	BUY	행사가액조정	유재만 Jaeman Yoo	Full-time auditor	45.2K	₩3,995	+4.8%	₩181M ($125K)
2025-04-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	180.8K	₩3,995	+4.8%	₩722M ($502K)
2025-04-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	2.3K	₩3,995	+4.8%	₩9M ($6K)
2025-04-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	2.3K	₩3,995	+4.8%	₩9M ($6K)
2025-04-07	SELL	Market Sell	유재만 Jaeman Yoo	Full-time auditor	-5	₩3,745	-11.8%	₩19K ($13)
2025-04-02	BUY	Market Buy	유재만 Jaeman Yoo	Full-time auditor	3.0K	₩3,950	+6.0%	₩12M ($8K)
2025-03-31	BUY	신규보고	유재만 Jaeman Yoo	Full-time auditor	468.9K	₩3,970	+5.4%	₩1.9B ($1.3M)
2025-03-31	BUY	신규보고	유재만 Jaeman Yoo	Full-time auditor	36.0K	₩3,970	+5.4%	₩143M ($99K)
2025-03-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	36.7K	₩4,155	+0.7%	₩152M ($106K)
2025-03-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	458	₩4,155	+0.7%	₩2M ($1K)
2025-03-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	458	₩4,155	+0.7%	₩2M ($1K)
2025-02-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	209	₩4,300	-2.7%	₩899K ($624)
2025-02-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	16.8K	₩4,300	-2.7%	₩72M ($50K)
2025-02-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	209	₩4,300	-2.7%	₩899K ($624)
2024-12-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	2.3K	₩4,390	-4.7%	₩10M ($7K)
2024-12-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	186.3K	₩4,390	-4.7%	₩818M ($568K)
2024-12-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	2.3K	₩4,390	-4.7%	₩10M ($7K)
2024-12-11	BUY	행사가액조정	이해두 Lee Hae-du	management leader	4.7K	₩4,390	-4.7%	₩20M ($14K)
2024-11-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	124	₩4,865	-14.0%	₩603K ($419)
2024-11-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	124	₩4,865	-14.0%	₩603K ($419)
2024-11-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	10.0K	₩4,865	-14.0%	₩49M ($34K)
2024-11-11	BUY	행사가액조정	이해두 Lee Hae-du	management leader	249	₩4,865	-14.0%	₩1M ($841)
2024-10-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	35.6K	₩4,790	-12.6%	₩170M ($118K)
2024-10-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	445	₩4,790	-12.6%	₩2M ($1K)
2024-10-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	445	₩4,790	-12.6%	₩2M ($1K)
2024-10-11	BUY	행사가액조정	이해두 Lee Hae-du	management leader	889	₩4,790	-12.6%	₩4M ($3K)
2024-09-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	66.6K	₩4,690	-10.8%	₩313M ($217K)
2024-09-11	BUY	행사가액조정	이해두 Lee Hae-du	management leader	1.7K	₩4,690	-10.8%	₩8M ($5K)
2024-09-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	833	₩4,690	-10.8%	₩4M ($3K)
2024-09-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	833	₩4,690	-10.8%	₩4M ($3K)
2024-07-11	BUY	행사가액조정	이해두 Lee Hae-du	management leader	852	₩5,240	-20.1%	₩4M ($3K)
2024-07-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	34.1K	₩5,240	-20.1%	₩178M ($124K)
2024-07-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	426	₩5,240	-20.1%	₩2M ($2K)
2024-07-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	426	₩5,240	-20.1%	₩2M ($2K)
2024-06-11	BUY	행사가액조정	박상현 Sanghyun Park	management leader	205	₩5,350	-21.8%	₩1M ($762)
2024-06-11	BUY	행사가액조정	한의상 Korean clothing	Chairman	16.5K	₩5,350	-21.8%	₩88M ($61K)
2024-06-11	BUY	행사가액조정	배정익 Bae Jeong-ik	management leader	205	₩5,350	-21.8%	₩1M ($762)
2024-06-11	BUY	행사가액조정	이해두 Lee Hae-du	management leader	411	₩5,350	-21.8%	₩2M ($2K)

Showing the 50 most recent of 59 filings.

Frequently asked questions

Who has been buying Palmgen Science stock?: 1 distinct insiders have filed 1 disclosed insider purchases in Palmgen Science (004720), most recently on 2026-05-11. 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 Palmgen Science have?: Palmgen Science has 1 buy-side and 1 sell-side disclosures on record, covering ₩12M ($8K) in total reported value, spanning 2024-04-01 to 2026-05-11.
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.