Who has been buying D.Y. stock?

3 distinct insiders have filed 20 disclosed insider purchases in D.Y. (013570), most recently on 2026-07-09. 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.Y. have?

D.Y. has 20 buy-side and 0 sell-side disclosures on record, covering ₩768M ($533K) in total reported value, spanning 2024-03-22 to 2026-07-09.

Where does StockDrifts get D.Y. 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.

D.Y. 013570

Company

디와이D.Y.

Insiders

Buys

Total Value

₩768M ($533K)

Avg Return

+2.60%

Last Filing

2026-07-09

D.Y. (013570) has 20 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩768M ($533K) in reported transaction value. The earliest filing StockDrifts holds for D.Y. is dated 2024-03-22; the most recent is 2026-07-09. 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 +2.60%, 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
2026-07-09	BUY	Market Buy	김진호 Jinho Kim	CEO	13.5K	₩4,010	-4.0%	₩56M ($39K)
2026-07-08	BUY	Market Buy	김진호 Jinho Kim	CEO	27.4K	₩4,010	-4.0%	₩111M ($77K)
2026-06-04	BUY	Market Buy	김진호 Jinho Kim	CEO	25.0K	-	-	-
2026-06-02	BUY	Market Buy	김진호 Jinho Kim	CEO	5.0K	-	-	-
2026-03-26	SELL	임원퇴임	박치웅 Park Chi-woong	Internal director	-3.1K	₩4,905	-0.9%	₩15M ($11K)
2026-03-26	BUY	신규선임	박현국 Park Hyeon-guk	Outside Director	160	₩4,905	+0.9%	₩785K ($545)
2026-03-25	SELL	증여	조병호 Jo Byeong-ho	Chairman	-900.0K	₩5,070	+2.4%	₩4.6B ($3.2M)
2025-04-14	BUY	Market Buy	박치웅 Park Chi-woong	Internal director	1.5K	₩3,695	+34.0%	₩5M ($4K)
2025-02-05	SELL	증여	조병호 Jo Byeong-ho	Chairman	-700.0K	₩3,925	-26.1%	₩2.7B ($1.9M)
2024-09-09	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	2.0K	₩4,560	+8.6%	₩9M ($6K)
2024-08-30	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	500	₩4,760	+4.0%	₩2M ($2K)
2024-08-29	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	1.0K	₩4,740	+4.4%	₩5M ($3K)
2024-08-28	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	1.0K	₩4,740	+4.4%	₩5M ($3K)
2024-08-26	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	2.0K	₩4,780	+3.6%	₩10M ($7K)
2024-08-23	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	1.0K	₩4,845	+2.2%	₩5M ($3K)
2024-08-22	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	3.0K	₩4,815	+2.8%	₩14M ($10K)
2024-08-21	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	3.0K	₩4,870	+1.6%	₩14M ($10K)
2024-08-07	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	49.5K	₩4,765	+3.9%	₩236M ($164K)
2024-08-06	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	13.1K	₩4,600	+7.6%	₩60M ($42K)
2024-08-02	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	2.7K	₩5,130	-3.5%	₩14M ($10K)
2024-08-01	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	16.3K	₩5,290	-6.4%	₩86M ($60K)
2024-07-29	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	11.0K	₩5,220	-5.2%	₩57M ($40K)
2024-07-25	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	6.8K	₩5,110	-3.1%	₩35M ($24K)
2024-07-24	BUY	Market Buy	조병호 Jo Byeong-ho	Chairman	8.2K	₩5,160	-4.1%	₩42M ($29K)
2024-03-22	BUY	신규선임	박치웅 Park Chi-woong	Internal director	1.6K	₩5,940	-16.7%	₩10M ($7K)

Frequently asked questions

Who has been buying D.Y. stock?: 3 distinct insiders have filed 20 disclosed insider purchases in D.Y. (013570), most recently on 2026-07-09. 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.Y. have?: D.Y. has 20 buy-side and 0 sell-side disclosures on record, covering ₩768M ($533K) in total reported value, spanning 2024-03-22 to 2026-07-09.
Where does StockDrifts get D.Y. 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 D.Y.. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.