Who has been buying Daehan Pharmaceutical stock?

3 distinct insiders have filed 160 disclosed insider purchases in Daehan Pharmaceutical (023910), most recently on 2026-07-16. 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 Daehan Pharmaceutical have?

Daehan Pharmaceutical has 160 buy-side and 8 sell-side disclosures on record, covering ₩2.3B ($1.6M) in total reported value, spanning 2024-04-09 to 2026-07-16.

Where does StockDrifts get Daehan 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.

Daehan Pharmaceutical 023910

Company

대한약품Daehan Pharmaceutical

Insiders

Buys

160

Total Value

₩2.3B ($1.6M)

Avg Return

+13.04%

Last Filing

2026-07-16

Daehan Pharmaceutical (023910) has 160 disclosed insider purchases and 8 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩2.3B ($1.6M) in reported transaction value. The earliest filing StockDrifts holds for Daehan Pharmaceutical is dated 2024-04-09; the most recent is 2026-07-16. 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 +13.04%, 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
2026-07-31	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	836	₩26,450	+2.1%	₩21M ($15K)
2026-07-22	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	400	₩25,750	-0.2%	₩10M ($7K)
2026-07-20	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	38	₩25,250	+1.8%	₩960K ($666)
2026-07-16	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	522	₩25,650	+0.0%	₩13M ($9K)
2026-07-15	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	400	₩25,400	+1.0%	₩10M ($7K)
2026-07-10	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	₩25,950	-1.2%	₩5M ($4K)
2026-07-08	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	45	₩25,900	-1.5%	₩1M ($809)
2026-07-06	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	600	₩25,850	-1.4%	₩16M ($11K)
2026-07-03	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	174	₩25,850	-1.4%	₩4M ($3K)
2026-07-02	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.2K	₩25,350	+0.6%	₩30M ($21K)
2026-06-30	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	801	₩25,100	+3.0%	₩20M ($14K)
2026-06-29	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	₩25,600	+1.0%	₩5M ($4K)
2026-06-26	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	₩24,350	+6.2%	₩5M ($3K)
2026-06-25	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.1K	₩24,950	+3.6%	₩27M ($19K)
2026-06-24	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.2K	₩24,700	+4.7%	₩30M ($21K)
2026-06-23	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.0K	₩24,700	+4.7%	₩25M ($17K)
2026-06-22	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	800	₩25,000	-2.6%	₩20M ($14K)
2026-06-19	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	192	₩25,500	-4.5%	₩5M ($3K)
2026-06-16	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	₩26,700	-8.8%	₩5M ($4K)
2026-06-11	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	112	-	-	-
2026-06-10	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.4K	-	-	-
2026-06-09	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	800	-	-	-
2026-06-08	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	400	-	-	-
2026-06-05	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	723	₩26,050	+0.0%	₩19M ($13K)
2026-06-04	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.0K	₩26,200	-0.6%	₩26M ($18K)
2026-06-02	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.2K	₩26,350	-1.1%	₩32M ($22K)
2026-06-01	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	800	₩26,350	-1.1%	₩21M ($15K)
2026-05-29	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	664	₩26,700	-2.4%	₩18M ($12K)
2026-05-28	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	600	₩27,050	-2.6%	₩16M ($11K)
2026-05-26	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	400	₩27,250	-3.3%	₩11M ($8K)
2026-05-22	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	600	-	-	-
2026-05-15	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	-	-	-
2026-01-23	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	600	₩28,550	+8.4%	₩17M ($12K)
2026-01-21	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.6K	₩27,700	+11.7%	₩44M ($31K)
2026-01-20	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.8K	₩27,850	+11.1%	₩50M ($35K)
2026-01-19	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	600	₩27,100	+14.2%	₩16M ($11K)
2026-01-16	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	₩27,600	+12.1%	₩6M ($4K)
2026-01-15	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	2.4K	₩28,000	+10.5%	₩67M ($47K)
2026-01-14	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.0K	₩28,050	+10.3%	₩28M ($19K)
2026-01-13	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	₩27,750	+11.5%	₩6M ($4K)
2026-01-12	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.2K	₩28,000	+10.5%	₩33M ($23K)
2026-01-09	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.8K	₩28,400	+9.0%	₩51M ($36K)
2026-01-08	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	600	₩28,000	+10.5%	₩17M ($12K)
2026-01-07	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	1.6K	₩28,200	+9.8%	₩45M ($31K)
2026-01-06	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	400	₩28,350	+9.2%	₩11M ($8K)
2026-01-02	BUY	Market Buy	이윤우 Yunwoo Lee	Chairman	200	₩28,750	+7.7%	₩6M ($4K)
2025-12-30	SELL	Market Sell	조영기 Jo Yeonggi	Director	-1.4K	₩29,250	-5.8%	₩41M ($28K)
2025-12-29	SELL	Market Sell	조영기 Jo Yeonggi	Director	-800	₩29,400	-5.3%	₩24M ($16K)
2025-12-26	SELL	Market Sell	조영기 Jo Yeonggi	Director	-2.8K	₩30,250	-2.3%	₩85M ($59K)
2025-12-24	SELL	Market Sell	조영기 Jo Yeonggi	Director	-660	₩30,550	-1.3%	₩20M ($14K)

Showing the 50 most recent of 171 filings.

Frequently asked questions

Who has been buying Daehan Pharmaceutical stock?: 3 distinct insiders have filed 160 disclosed insider purchases in Daehan Pharmaceutical (023910), most recently on 2026-07-16. 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 Daehan Pharmaceutical have?: Daehan Pharmaceutical has 160 buy-side and 8 sell-side disclosures on record, covering ₩2.3B ($1.6M) in total reported value, spanning 2024-04-09 to 2026-07-16.
Where does StockDrifts get Daehan 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 Daehan Pharmaceutical. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.