Who has been buying Deoksan Techopia stock?

9 distinct insiders have filed 11 disclosed insider purchases in Deoksan Techopia (317330), most recently on 2026-06-26. 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 Deoksan Techopia have?

Deoksan Techopia has 11 buy-side and 10 sell-side disclosures on record, covering ₩2.9B ($2.0M) in total reported value, spanning 2023-01-01 to 2026-06-26.

Where does StockDrifts get Deoksan Techopia 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.

Deoksan Techopia 317330

Company

덕산테코피아Deoksan Techopia

Insiders

Buys

Total Value

₩2.9B ($2.0M)

Avg Return

+30.28%

Last Filing

2026-06-26

Deoksan Techopia (317330) has 11 disclosed insider purchases and 10 disclosed disposals on record, filed by 9 distinct insiders. Together those filings cover ₩2.9B ($2.0M) in reported transaction value. The earliest filing StockDrifts holds for Deoksan Techopia is dated 2023-01-01; the most recent is 2026-06-26. 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 +30.28%, 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
2026-06-26	BUY	Market Buy	이수완 Suwan Lee	-	5.0K	-	-	-
2026-06-25	BUY	Market Buy	이수완 Suwan Lee	-	10.0K	-	-	-
2026-06-24	BUY	Market Buy	이수완 Suwan Lee	-	9.6K	-	-	-
2026-06-23	BUY	Market Buy	이수완 Suwan Lee	-	35.0K	-	-	-
2025-05-29	BUY	Market Buy	이수완 Suwan Lee	CEO	5.0K	₩18,310	+5.3%	₩92M ($64K)
2025-05-27	BUY	Market Buy	이수완 Suwan Lee	CEO	17.0K	₩16,870	+14.3%	₩287M ($199K)
2025-05-26	BUY	Market Buy	이수완 Suwan Lee	CEO	5.0K	₩17,460	+10.4%	₩87M ($61K)
2025-05-23	BUY	Market Buy	이수완 Suwan Lee	CEO	14.5K	₩16,880	+14.2%	₩245M ($170K)
2025-03-28	BUY	Market Buy	이수완 Suwan Lee	CEO	15.0K	₩21,550	-10.5%	₩323M ($224K)
2025-03-27	BUY	Market Buy	이수완 Suwan Lee	CEO	12.0K	₩21,550	-10.5%	₩259M ($180K)
2025-03-25	BUY	Market Buy	이수완 Suwan Lee	CEO	30.0K	₩22,100	-12.8%	₩663M ($460K)
2024-11-15	SELL	Market Sell	황용운 Hwang Yong-un	moving	-4.0K	₩29,950	+35.6%	₩120M ($83K)
2024-09-12	BUY	주식매수청구권 행사	김춘호 Kim Chun-ho	Managing Director	3.1K	₩40,650	-52.6%	₩127M ($88K)
2024-09-12	BUY	주식매수청구권 행사	김경원 Kim Kyung-won	Managing Director	3.1K	₩40,650	-52.6%	₩127M ($88K)
2024-09-12	BUY	주식매수청구권 행사	김병기 Kim Byeong-gi	vice president	4.2K	₩40,650	-52.6%	₩169M ($117K)
2024-08-20	SELL	시간외매매	이수완 Suwan Lee	CEO	-200.0K	₩40,400	+52.3%	₩8.1B ($5.6M)
2024-04-09	SELL	Market Sell	김형철 Kim Hyung-cheol	Managing Director	-4.0K	₩40,050	+51.9%	₩160M ($111K)
2024-04-08	SELL	Market Sell	김형철 Kim Hyung-cheol	Managing Director	-2.1K	₩37,450	+48.5%	₩79M ($55K)
2024-04-02	SELL	Market Sell	김춘호 Kim Chun-ho	Managing Director	-1.0K	₩38,900	+50.4%	₩39M ($27K)
2024-03-28	SELL	Market Sell	김경원 Kim Kyung-won	Managing Director	-2.0K	₩44,000	+56.2%	₩88M ($61K)
2024-03-28	SELL	Market Sell	김춘호 Kim Chun-ho	Managing Director	-4.0K	₩44,000	+56.2%	₩176M ($122K)
2024-03-27	SELL	Market Sell	유충열 larval fever	moving	-2.1K	₩40,000	+51.8%	₩83M ($58K)
2024-03-27	SELL	Market Sell	허선희 Seonhee Heo	moving	-1.5K	₩40,000	+51.8%	₩60M ($42K)
2024-03-27	SELL	Market Sell	양일두 Yang Il-du	moving	-2.1K	₩40,000	+51.8%	₩83M ($58K)
2024-03-06	BUY	PROGRAM	양일두 Yang Il-du	moving	2.1K	₩34,950	-44.8%	₩73M ($50K)
2024-03-06	BUY	PROGRAM	허선희 Seonhee Heo	moving	2.1K	₩34,950	-44.8%	₩73M ($50K)
2024-03-06	BUY	PROGRAM	유충열 larval fever	moving	2.1K	₩34,950	-44.8%	₩73M ($50K)
2024-03-06	BUY	PROGRAM	김형철 Kim Hyung-cheol	Managing Director	3.0K	₩34,950	-44.8%	₩105M ($73K)
2024-03-06	BUY	PROGRAM	김형철 Kim Hyung-cheol	Managing Director	3.1K	₩34,950	-44.8%	₩109M ($76K)
2024-03-06	BUY	PROGRAM	김방연 Bangyeon Kim	moving	2.1K	₩34,950	-44.8%	₩73M ($50K)
2024-03-06	BUY	PROGRAM	김춘호 Kim Chun-ho	Managing Director	5.0K	₩34,950	-44.8%	₩175M ($121K)
2024-03-06	BUY	PROGRAM	김병기 Kim Byeong-gi	vice president	7.0K	₩34,950	-44.8%	₩245M ($170K)
2024-03-06	BUY	PROGRAM	이상섭 Lee Sang-seop	Managing Director	2.1K	₩34,950	-44.8%	₩73M ($50K)
2024-03-06	BUY	PROGRAM	남승훈 Seunghoon Nam	moving	2.0K	₩34,950	-44.8%	₩70M ($49K)
2024-03-06	BUY	PROGRAM	김경원 Kim Kyung-won	Managing Director	5.0K	₩34,950	-44.8%	₩175M ($121K)
2024-03-06	BUY	PROGRAM	황용운 Hwang Yong-un	moving	2.1K	₩34,950	-44.8%	₩73M ($50K)
2024-03-04	SELL	Market Sell	이상섭 Lee Sang-seop	Managing Director	-1.5K	₩38,650	+50.1%	₩58M ($40K)
2023-01-01	BUY	PROGRAM	김방연 Bangyeon Kim	moving	2.2K	₩13,250	+45.5%	₩29M ($20K)
2023-01-01	BUY	PROGRAM	황용운 Hwang Yong-un	moving	6.8K	₩13,250	+45.5%	₩90M ($62K)

Frequently asked questions

Who has been buying Deoksan Techopia stock?: 9 distinct insiders have filed 11 disclosed insider purchases in Deoksan Techopia (317330), most recently on 2026-06-26. 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 Deoksan Techopia have?: Deoksan Techopia has 11 buy-side and 10 sell-side disclosures on record, covering ₩2.9B ($2.0M) in total reported value, spanning 2023-01-01 to 2026-06-26.
Where does StockDrifts get Deoksan Techopia 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 Deoksan Techopia. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.