Who has been buying DY stock?

2 distinct insiders have filed 3 disclosed insider purchases in DY (219550), most recently on 2026-04-01. 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 DY have?

DY has 3 buy-side and 6 sell-side disclosures on record, covering ₩20.3B ($14.1M) in total reported value, spanning 2024-02-26 to 2026-04-01.

Where does StockDrifts get DY 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.

DY 219550

Company

디와이디DY

Insiders

Buys

Total Value

₩20.3B ($14.1M)

Avg Return

+25.77%

Last Filing

2026-04-01

DY (219550) has 3 disclosed insider purchases and 6 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩20.3B ($14.1M) in reported transaction value. The earliest filing StockDrifts holds for DY is dated 2024-02-26; the most recent is 2026-04-01. 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 +25.77%, 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	신규보고	OULANGETRADELIMITED	-	2.7M	₩1,451	-4.9%	₩3.9B ($2.7M)
2026-04-01	BUY	신규보고	OULANGETRADELIMITED	-	1.4M	₩1,711	+10.8%	₩2.3B ($1.6M)
2026-03-31	BUY	신규보고	OULANGETRADELIMITED	-	4.3M	₩1,581	+19.9%	₩6.8B ($4.7M)
2026-02-05	BUY	제3자배정유상증자	OULANGETRADELIMITED	-	6.4M	₩2,075	-25.3%	₩13.4B ($9.3M)
2025-04-14	SELL	장외매도	상상인증권 Sangsang Certificate	-	-9.6M	₩3,640	+57.4%	₩35.0B ($24.3M)
2025-04-14	SELL	장외매도	상상인증권 Sangsang Certificate	-	-13.0M	₩3,640	+57.4%	₩47.3B ($32.9M)
2025-01-31	SELL	임원퇴임	김덕배 Deokbae Kim	Outside Director	-387.0K	₩3,370	+54.0%	₩1.3B ($906K)
2025-01-09	BUY	제3자배정유상증자	레그테크 leg tech	-	17.3M	₩3,310	-53.2%	₩57.2B ($39.7M)
2024-12-12	SELL	Market Sell	상상인증권 Sangsang Certificate	-	-500.0K	₩2,335	+33.6%	₩1.2B ($811K)
2024-11-19	SELL	Market Sell	상상인증권 Sangsang Certificate	-	-500.0K	₩3,150	+50.8%	₩1.6B ($1.1M)
2024-11-15	SELL	Market Sell	상상인증권 Sangsang Certificate	-	-650.0K	₩3,580	+56.7%	₩2.3B ($1.6M)
2024-11-14	SELL	Market Sell	상상인증권 Sangsang Certificate	-	-1.1M	₩3,130	+50.5%	₩3.5B ($2.5M)
2024-11-13	SELL	Market Sell	상상인증권 Sangsang Certificate	-	-2.2M	₩3,720	+58.3%	₩8.3B ($5.7M)
2024-11-13	BUY	Market Buy	김덕배 Deokbae Kim	Outside Director	87.0K	₩3,720	-58.3%	₩324M ($225K)
2024-11-11	BUY	기타	상상인증권 Sangsang Certificate	-	6.4M	₩4,920	-68.5%	₩31.3B ($21.7M)
2024-11-11	BUY	신주인수권증권의권리행사	상상인증권 Sangsang Certificate	-	13.0M	₩4,920	-68.5%	₩64.0B ($44.4M)
2024-11-11	SELL	전환등	상상인증권 Sangsang Certificate	-	-9.6M	₩4,920	+68.5%	₩47.3B ($32.9M)
2024-11-11	BUY	기타	상상인증권 Sangsang Certificate	-	19.2M	₩4,920	-68.5%	₩94.6B ($65.7M)
2024-11-11	SELL	Market Sell	상상인증권 Sangsang Certificate	-	-562.6K	₩4,920	+68.5%	₩2.8B ($1.9M)
2024-10-23	BUY	Market Buy	김덕배 Deokbae Kim	Outside Director	100.0K	₩2,535	-38.9%	₩254M ($176K)
2024-08-20	BUY	Market Buy	김덕배 Deokbae Kim	Outside Director	100.0K	₩1,400	+10.7%	₩140M ($97K)
2024-02-26	BUY	전환사채의권리행사	휴스토리 Hue Story	-	7.8M	₩3,625	-57.2%	₩28.2B ($19.6M)

Frequently asked questions

Who has been buying DY stock?: 2 distinct insiders have filed 3 disclosed insider purchases in DY (219550), most recently on 2026-04-01. 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 DY have?: DY has 3 buy-side and 6 sell-side disclosures on record, covering ₩20.3B ($14.1M) in total reported value, spanning 2024-02-26 to 2026-04-01.
Where does StockDrifts get DY 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 DY. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.