Who has been buying D&D Pharmatech stock?

2 distinct insiders have filed 61 disclosed insider purchases in D&D Pharmatech (347850), most recently on 2026-10-23. 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 D&D Pharmatech have?

D&D Pharmatech has 61 buy-side and 10 sell-side disclosures on record, covering ₩2.8B ($1.9M) in total reported value, spanning 2024-05-02 to 2026-10-23.

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.

D&D Pharmatech 347850

Company

디앤디파마텍D&D Pharmatech

Insiders

Buys

Total Value

₩2.8B ($1.9M)

Avg Return

-46.72%

Last Filing

2026-10-23

D&D Pharmatech (347850) has 61 disclosed insider purchases and 10 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩2.8B ($1.9M) in reported transaction value. The earliest filing StockDrifts holds for D&D Pharmatech is dated 2024-05-02; the most recent is 2026-10-23. Across these filings the average return since disclosure is -46.72%, 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
2026-10-23	BUY	Market Buy	한설희 Seolhee Han	Outside Director	5	-	-	-
2026-09-03	BUY	주식매수청구권 행사	박평아 Park Pyeong-ah	Managing Director	6.0K	-	-	-
2026-09-03	BUY	주식매수청구권 행사	홍성훈 Seonghun Hong	vice president	15.0K	-	-	-
2026-06-04	BUY	주식매수청구권 행사	박평아 Park Pyeong-ah	Managing Director	2.4K	₩94,000	-12.2%	₩226M ($157K)
2026-06-04	BUY	주식매수청구권 행사	신재희 Jaehee Shin	moving	56.0K	₩94,000	-12.2%	₩5.3B ($3.7M)
2026-06-04	BUY	주식매수청구권 행사	임성묵 Seongmuk Lim	Managing Director	38.0K	₩94,000	-12.2%	₩3.6B ($2.5M)
2026-05-13	BUY	Market Buy	한설희 Seolhee Han	Outside Director	300	₩68,200	-1.3%	₩20M ($14K)
2026-05-11	BUY	Market Buy	한설희 Seolhee Han	Outside Director	40	₩70,700	-4.8%	₩3M ($2K)
2026-05-08	BUY	Market Buy	한설희 Seolhee Han	Outside Director	60	₩70,800	-4.9%	₩4M ($3K)
2026-05-04	BUY	Market Buy	한설희 Seolhee Han	Outside Director	100	₩74,900	-10.2%	₩7M ($5K)
2026-04-30	BUY	Market Buy	한설희 Seolhee Han	Outside Director	500	₩74,200	-9.3%	₩37M ($26K)
2026-04-28	SELL	Market Sell	한설희 Seolhee Han	Outside Director	-125	₩78,700	+14.5%	₩10M ($7K)
2026-04-27	BUY	Market Buy	한설희 Seolhee Han	Outside Director	15	₩81,800	-17.7%	₩1M ($852)
2026-04-24	BUY	Market Buy	한설희 Seolhee Han	Outside Director	10	₩81,800	-17.7%	₩818K ($568)
2026-04-23	BUY	Market Buy	한설희 Seolhee Han	Outside Director	100	₩79,700	-15.6%	₩8M ($6K)
2026-04-20	SELL	Market Sell	한설희 Seolhee Han	Outside Director	-228	₩82,000	+17.9%	₩19M ($13K)
2026-04-17	BUY	Market Buy	한설희 Seolhee Han	Outside Director	12	₩78,900	-14.7%	₩947K ($658)
2026-04-16	BUY	Market Buy	한설희 Seolhee Han	Outside Director	486	₩81,600	-17.5%	₩40M ($28K)
2026-04-15	BUY	Market Buy	한설희 Seolhee Han	Outside Director	30	₩79,800	-15.7%	₩2M ($2K)
2026-04-13	BUY	Market Buy	한설희 Seolhee Han	Outside Director	50	₩76,400	-11.9%	₩4M ($3K)
2026-04-10	BUY	Market Buy	한설희 Seolhee Han	Outside Director	46	₩74,000	-9.1%	₩3M ($2K)
2026-04-09	BUY	Market Buy	한설희 Seolhee Han	Outside Director	44	₩68,700	-2.0%	₩3M ($2K)
2026-04-08	BUY	Market Buy	한설희 Seolhee Han	Outside Director	54	₩69,800	-3.6%	₩4M ($3K)
2026-04-07	BUY	Market Buy	한설희 Seolhee Han	Outside Director	6	₩67,600	-0.4%	₩406K ($282)
2026-04-06	BUY	Market Buy	한설희 Seolhee Han	Outside Director	200	₩66,300	+1.5%	₩13M ($9K)
2026-04-03	BUY	Market Buy	한설희 Seolhee Han	Outside Director	8	₩68,600	-1.9%	₩549K ($381)
2026-04-02	BUY	Market Buy	한설희 Seolhee Han	Outside Director	12	₩69,400	-3.0%	₩833K ($578)
2026-04-01	BUY	Market Buy	한설희 Seolhee Han	Outside Director	70	₩74,900	-10.2%	₩5M ($4K)
2026-03-26	BUY	Market Buy	한설희 Seolhee Han	Outside Director	10	₩78,500	-14.3%	₩785K ($545)
2026-03-25	BUY	Market Buy	한설희 Seolhee Han	Outside Director	100	₩79,100	-14.9%	₩8M ($5K)
2026-03-23	BUY	Market Buy	한설희 Seolhee Han	Outside Director	47	₩70,300	-4.3%	₩3M ($2K)
2026-03-20	BUY	Market Buy	한설희 Seolhee Han	Outside Director	138	₩78,100	-13.8%	₩11M ($7K)
2026-03-19	BUY	Market Buy	한설희 Seolhee Han	Outside Director	65	₩78,900	-14.7%	₩5M ($4K)
2026-03-17	BUY	Market Buy	한설희 Seolhee Han	Outside Director	50	₩83,500	-19.4%	₩4M ($3K)
2026-03-13	BUY	Market Buy	한설희 Seolhee Han	Outside Director	100	₩92,300	-27.1%	₩9M ($6K)
2026-03-11	BUY	Market Buy	한설희 Seolhee Han	Outside Director	100	₩80,200	-16.1%	₩8M ($6K)
2026-03-06	BUY	Market Buy	한설희 Seolhee Han	Outside Director	90	₩83,900	-19.8%	₩8M ($5K)
2026-03-05	BUY	Market Buy	한설희 Seolhee Han	Outside Director	360	₩82,200	-18.1%	₩30M ($21K)
2026-02-26	BUY	Market Buy	한설희 Seolhee Han	Outside Director	20	₩88,800	-24.2%	₩2M ($1K)
2026-02-25	BUY	Market Buy	한설희 Seolhee Han	Outside Director	30	₩88,700	-24.1%	₩3M ($2K)
2026-02-24	BUY	Market Buy	한설희 Seolhee Han	Outside Director	98	₩88,600	-24.0%	₩9M ($6K)
2026-02-23	BUY	Market Buy	한설희 Seolhee Han	Outside Director	202	₩86,500	-22.2%	₩17M ($12K)
2026-02-20	BUY	Market Buy	한설희 Seolhee Han	Outside Director	100	₩84,900	-20.7%	₩8M ($6K)
2026-02-10	BUY	Market Buy	한설희 Seolhee Han	Outside Director	200	₩79,200	-15.0%	₩16M ($11K)
2026-02-06	BUY	Market Buy	한설희 Seolhee Han	Outside Director	200	₩77,500	-13.2%	₩16M ($11K)
2026-02-03	BUY	Market Buy	한설희 Seolhee Han	Outside Director	299	₩90,300	-25.5%	₩27M ($19K)
2026-01-28	SELL	Market Sell	한설희 Seolhee Han	Outside Director	-2.0K	₩99,300	+32.2%	₩199M ($138K)
2026-01-26	BUY	Market Buy	한설희 Seolhee Han	Outside Director	500	₩96,700	-30.4%	₩48M ($34K)
2026-01-23	BUY	Market Buy	한설희 Seolhee Han	Outside Director	300	₩85,800	-21.6%	₩26M ($18K)
2026-01-22	BUY	Market Buy	한설희 Seolhee Han	Outside Director	300	₩79,300	-15.1%	₩24M ($17K)

Showing the 50 most recent of 99 filings.

Frequently asked questions

Who has been buying D&D Pharmatech stock?: 2 distinct insiders have filed 61 disclosed insider purchases in D&D Pharmatech (347850), most recently on 2026-10-23. 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 D&D Pharmatech have?: D&D Pharmatech has 61 buy-side and 10 sell-side disclosures on record, covering ₩2.8B ($1.9M) in total reported value, spanning 2024-05-02 to 2026-10-23.
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.