Who has been buying Myeongmun Pharmaceutical stock?

7 distinct insiders have filed 58 disclosed insider purchases in Myeongmun Pharmaceutical (017180), 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 Myeongmun Pharmaceutical have?

Myeongmun Pharmaceutical has 58 buy-side and 0 sell-side disclosures on record, covering ₩884M ($614K) in total reported value, spanning 2023-07-13 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.

Myeongmun Pharmaceutical 017180

Company

명문제약Myeongmun Pharmaceutical

Insiders

Buys

Total Value

₩884M ($614K)

Avg Return

+10.11%

Last Filing

2026-07-01

Myeongmun Pharmaceutical (017180) has 58 disclosed insider purchases and 0 disclosed disposals on record, filed by 7 distinct insiders. Together those filings cover ₩884M ($614K) in reported transaction value. The earliest filing StockDrifts holds for Myeongmun Pharmaceutical is dated 2023-07-13; the most recent is 2026-07-01. Across these filings the average return since disclosure is +10.11%, 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
2026-11-06	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	1.0K	-	-	-
2026-11-05	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	5.0K	-	-	-
2026-11-04	BUY	Market Buy	임기섭 Lim Lim Seop	moving	1.4K	-	-	-
2026-11-03	BUY	Market Buy	임기섭 Lim Lim Seop	moving	1.8K	-	-	-
2026-10-29	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	5.0K	-	-	-
2026-10-28	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	18.0K	-	-	-
2026-10-27	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	10.0K	₩1,167	+0.0%	₩12M ($8K)
2026-10-27	BUY	Market Buy	임기섭 Lim Lim Seop	moving	1.2K	₩1,167	+1.5%	₩1M ($1K)
2026-10-26	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	5.0K	₩1,198	-1.1%	₩6M ($4K)
2026-10-26	BUY	Market Buy	임기섭 Lim Lim Seop	moving	2.1K	₩1,198	-1.1%	₩3M ($2K)
2026-10-23	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	2.0K	₩1,163	+1.9%	₩2M ($2K)
2026-10-19	BUY	Market Buy	임기섭 Lim Lim Seop	moving	1.4K	-	-	-
2026-10-16	BUY	Market Buy	임기섭 Lim Lim Seop	moving	3.5K	-	-	-
2026-10-14	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	7.0K	-	-	-
2026-10-07	BUY	Market Buy	임기섭 Lim Lim Seop	moving	3.8K	-	-	-
2026-10-06	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	3.0K	₩1,266	+0.0%	₩4M ($3K)
2026-09-28	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	13.0K	₩1,242	-0.1%	₩16M ($11K)
2026-09-22	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	7.0K	₩1,244	-0.9%	₩9M ($6K)
2026-09-14	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	5.0K	₩1,235	+5.8%	₩6M ($4K)
2026-09-11	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	9.0K	₩1,242	+5.2%	₩11M ($8K)
2026-09-10	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	5.0K	₩1,234	+5.9%	₩6M ($4K)
2026-09-08	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	1.0K	₩1,320	-1.0%	₩1M ($917)
2026-09-07	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	3.2K	₩1,245	+5.0%	₩4M ($3K)
2026-09-07	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	1.8K	-	-	-
2026-09-03	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	5.0K	-	-	-
2026-08-11	BUY	Market Buy	임기섭 Lim Lim Seop	moving	3.6K	₩1,253	+0.2%	₩5M ($3K)
2026-08-04	BUY	Market Buy	양환태 Hwantae Yang	Managing Director	44	₩1,136	+1.9%	₩50K ($35)
2026-08-03	BUY	Market Buy	권용진 Yongjin Kwon	moving	2.5K	₩1,083	+6.9%	₩3M ($2K)
2026-08-03	BUY	Market Buy	양환태 Hwantae Yang	Managing Director	2.7K	₩1,083	+6.9%	₩3M ($2K)
2026-07-01	BUY	Market Buy	임기섭 Lim Lim Seop	moving	3.5K	₩1,282	-1.0%	₩4M ($3K)
2026-07-01	SELL	증여	정준일 Jeong Jun-il	Managing Director	-119.0K	₩1,282	+1.0%	₩153M ($106K)
2026-06-30	BUY	Market Buy	임기섭 Lim Lim Seop	moving	1.4K	₩1,272	-0.2%	₩2M ($1K)
2026-06-29	BUY	Market Buy	임기섭 Lim Lim Seop	moving	3.6K	₩1,270	-0.1%	₩5M ($3K)
2026-06-11	BUY	Market Buy	양환태 Hwantae Yang	Managing Director	5.4K	-	-	-
2026-04-28	BUY	자사주상여금	유정권 Yoo Jeong-kwon	Managing Director	2.7K	₩1,756	+1.8%	₩5M ($3K)
2026-04-28	BUY	자사주상여금	장윤수 Jang Yunsu	Managing Director	7.4K	₩1,756	+1.8%	₩13M ($9K)
2026-04-28	BUY	자사주상여금	이장호 Jangho Lee	Managing Director	2.7K	₩1,756	+1.8%	₩5M ($3K)
2026-04-28	BUY	자사주상여금	임기섭 Lim Lim Seop	moving	2.5K	₩1,756	+1.8%	₩4M ($3K)
2026-04-28	BUY	자사주상여금	이경희 Kyunghee Lee	moving	2.5K	₩1,756	+1.8%	₩4M ($3K)
2026-04-28	BUY	자사주상여금	양환태 Hwantae Yang	moving	2.7K	₩1,756	+1.8%	₩5M ($3K)
2026-04-28	BUY	자사주상여금	권용진 Yongjin Kwon	moving	2.5K	₩1,756	+1.8%	₩4M ($3K)
2026-04-28	BUY	자사주상여금	이영미 Youngmi Lee	Managing Director	2.8K	₩1,756	+1.8%	₩5M ($3K)
2026-02-10	BUY	Market Buy	임기섭 Lim Lim Seop	moving	1.7K	₩1,817	+6.4%	₩3M ($2K)
2026-02-05	BUY	Market Buy	임기섭 Lim Lim Seop	moving	1.7K	₩1,791	+7.9%	₩3M ($2K)
2026-02-04	BUY	Market Buy	임기섭 Lim Lim Seop	moving	4.6K	₩1,761	+9.8%	₩8M ($6K)
2026-02-03	BUY	Market Buy	임기섭 Lim Lim Seop	moving	12.8K	₩1,777	+8.8%	₩23M ($16K)
2026-02-02	BUY	Market Buy	임기섭 Lim Lim Seop	moving	2.2K	₩1,731	+11.7%	₩4M ($3K)
2026-01-30	BUY	Market Buy	임기섭 Lim Lim Seop	moving	5.0K	₩1,790	+8.0%	₩9M ($6K)
2026-01-08	BUY	Market Buy	이경희 Kyunghee Lee	moving	10.0K	₩1,810	+6.8%	₩18M ($13K)
2026-01-06	BUY	Market Buy	정준일 Jeong Jun-il	Managing Director	9.0K	₩1,796	+7.6%	₩16M ($11K)

Showing the 50 most recent of 96 filings.

Frequently asked questions

Who has been buying Myeongmun Pharmaceutical stock?: 7 distinct insiders have filed 58 disclosed insider purchases in Myeongmun Pharmaceutical (017180), 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 Myeongmun Pharmaceutical have?: Myeongmun Pharmaceutical has 58 buy-side and 0 sell-side disclosures on record, covering ₩884M ($614K) in total reported value, spanning 2023-07-13 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.