Who has been buying DSR stock?

2 distinct insiders have filed 12 disclosed insider purchases in DSR (155660), most recently on 2026-04-13. 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 DSR have?

DSR has 12 buy-side and 0 sell-side disclosures on record, covering ₩231M ($161K) in total reported value, spanning 2024-07-19 to 2026-04-13.

Where does StockDrifts get DSR 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.

DSR 155660

Company

DSR

Insiders

Buys

Total Value

₩231M ($161K)

Avg Return

+7.41%

Last Filing

2026-04-13

DSR (155660) has 12 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩231M ($161K) in reported transaction value. The earliest filing StockDrifts holds for DSR is dated 2024-07-19; the most recent is 2026-04-13. 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 +7.41%, 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
2026-08-11	BUY	Market Buy	홍하종 Hongha species	president	10.6K	₩4,750	+0.8%	₩51M ($35K)
2026-04-13	BUY	Market Buy	홍하종 Hongha species	president	815	₩4,445	-0.5%	₩4M ($3K)
2026-04-10	BUY	Market Buy	홍하종 Hongha species	president	3.5K	₩4,405	+0.5%	₩15M ($11K)
2026-04-07	BUY	Market Buy	홍하종 Hongha species	president	3.8K	₩4,200	+5.4%	₩16M ($11K)
2026-04-06	BUY	Market Buy	홍하종 Hongha species	president	13.5K	₩4,250	+4.1%	₩57M ($40K)
2025-11-06	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	2.3K	₩3,785	+8.4%	₩9M ($6K)
2025-11-05	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	11.0K	₩3,715	+10.5%	₩41M ($28K)
2025-11-04	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	1.5K	₩3,670	+11.8%	₩6M ($4K)
2025-10-31	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	1.0K	₩3,775	+8.7%	₩4M ($3K)
2025-08-25	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	3.6K	₩3,690	+11.3%	₩13M ($9K)
2025-08-22	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	4.0K	₩3,690	+11.3%	₩15M ($10K)
2025-08-21	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	6.0K	₩3,730	+10.1%	₩22M ($16K)
2025-02-05	BUY	Market Buy	홍진우 Jinwoo Hong	general manager	7.7K	₩3,825	+7.3%	₩29M ($20K)
2025-01-01	BUY	신규선임	홍진우 Jinwoo Hong	general manager	180.3K	₩4,030	+1.9%	₩727M ($505K)
2024-12-30	BUY	수증	홍유경 Hong Yu-kyung	general manager	40.0K	₩3,815	+7.6%	₩153M ($106K)
2024-12-30	BUY	수증	홍승현 Seunghyun Hong	general manager	40.0K	₩3,815	+7.6%	₩153M ($106K)
2024-09-27	SELL	기타	DSR제강 DSR Steel	-	-480.0K	₩3,940	-4.2%	₩1.9B ($1.3M)
2024-09-27	SELL	기타	DSR제강 DSR Steel	-	-480.0K	₩3,940	-4.2%	₩1.9B ($1.3M)
2024-07-19	SELL	시간외매매	DSR제강 DSR Steel	-	-2.5M	₩4,400	+6.7%	₩11.1B ($7.7M)
2024-07-19	BUY	시간외매매	홍석빈 Seokbin Hong	CEO	2.5M	₩4,400	-6.7%	₩11.1B ($7.7M)

Frequently asked questions

Who has been buying DSR stock?: 2 distinct insiders have filed 12 disclosed insider purchases in DSR (155660), most recently on 2026-04-13. 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 DSR have?: DSR has 12 buy-side and 0 sell-side disclosures on record, covering ₩231M ($161K) in total reported value, spanning 2024-07-19 to 2026-04-13.
Where does StockDrifts get DSR 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 DSR. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.