Who has been buying DT&C stock?

2 distinct insiders have filed 14 disclosed insider purchases in DT&C (187220), most recently on 2026-05-22. 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 DT&C have?

DT&C has 14 buy-side and 0 sell-side disclosures on record, covering ₩513M ($356K) in total reported value, spanning 2025-09-12 to 2026-05-22.

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.

DT&C 187220

Company

디티앤씨DT&C

Insiders

Buys

Total Value

₩513M ($356K)

Avg Return

-12.97%

Last Filing

2026-05-22

DT&C (187220) has 14 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩513M ($356K) in reported transaction value. The earliest filing StockDrifts holds for DT&C is dated 2025-09-12; the most recent is 2026-05-22. Across these filings the average return since disclosure is -12.97%, 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
2026-08-26	BUY	Market Buy	김윤상 Yunsang Kim	vice president	500	₩2,020	-1.2%	₩1M ($714)
2026-08-25	BUY	Market Buy	김윤상 Yunsang Kim	vice president	579	₩2,160	-7.6%	₩1M ($809)
2026-05-22	BUY	Market Buy	김윤상 Yunsang Kim	vice president	840	₩2,820	+1.8%	₩2M ($2K)
2026-05-21	BUY	Market Buy	김윤상 Yunsang Kim	vice president	1.5K	₩2,800	+2.5%	₩4M ($3K)
2026-05-20	BUY	Market Buy	김윤상 Yunsang Kim	vice president	1.9K	₩2,840	+1.1%	₩5M ($4K)
2025-10-01	BUY	Market Buy	박채규 Park Chae-gyu	-	31.7K	₩2,990	-17.7%	₩95M ($66K)
2025-09-30	BUY	Market Buy	박채규 Park Chae-gyu	-	12.9K	₩2,980	-17.4%	₩38M ($27K)
2025-09-29	BUY	Market Buy	박채규 Park Chae-gyu	-	2.6K	₩2,920	-15.8%	₩8M ($5K)
2025-09-26	BUY	Market Buy	박채규 Park Chae-gyu	-	21.5K	₩2,905	-15.3%	₩63M ($43K)
2025-09-25	BUY	Market Buy	박채규 Park Chae-gyu	-	12.7K	₩2,900	-15.2%	₩37M ($26K)
2025-09-24	BUY	Market Buy	박채규 Park Chae-gyu	-	20.9K	₩2,910	-15.5%	₩61M ($42K)
2025-09-18	BUY	Market Buy	박채규 Park Chae-gyu	-	7.0K	₩2,995	-17.9%	₩21M ($15K)
2025-09-17	BUY	Market Buy	박채규 Park Chae-gyu	-	12.0K	₩3,030	-18.8%	₩36M ($25K)
2025-09-16	BUY	Market Buy	박채규 Park Chae-gyu	-	15.4K	₩3,005	-18.1%	₩46M ($32K)
2025-09-15	BUY	Market Buy	박채규 Park Chae-gyu	-	12.4K	₩2,990	-17.7%	₩37M ($26K)
2025-09-12	BUY	Market Buy	박채규 Park Chae-gyu	-	20.0K	₩2,980	-17.4%	₩60M ($41K)

Frequently asked questions

Who has been buying DT&C stock?: 2 distinct insiders have filed 14 disclosed insider purchases in DT&C (187220), most recently on 2026-05-22. 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 DT&C have?: DT&C has 14 buy-side and 0 sell-side disclosures on record, covering ₩513M ($356K) in total reported value, spanning 2025-09-12 to 2026-05-22.
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.