Who has been buying DT&CRO stock?

3 distinct insiders have filed 0 disclosed insider purchases in DT&CRO (383930), most recently on 2025-08-07. 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&CRO have?

DT&CRO has 0 buy-side and 19 sell-side disclosures on record, covering ₩619M ($430K) in total reported value, spanning 2024-04-01 to 2025-08-07.

Where does StockDrifts get DT&CRO 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.

DT&CRO 383930

Company

디티앤씨알오DT&CRO

Insiders

Buys

Total Value

₩619M ($430K)

Avg Return

+46.75%

Last Filing

2025-08-07

DT&CRO (383930) has 0 disclosed insider purchases and 19 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩619M ($430K) in reported transaction value. The earliest filing StockDrifts holds for DT&CRO is dated 2024-04-01; the most recent is 2025-08-07. 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 +46.75%, 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
2025-08-07	SELL	Market Sell	박채규 Park Chae-gyu	CEO	-27.7K	₩3,105	+0.2%	₩86M ($60K)
2025-08-06	SELL	Market Sell	박채규 Park Chae-gyu	CEO	-90.0K	₩3,215	+3.6%	₩289M ($201K)
2025-08-05	SELL	Market Sell	박채규 Park Chae-gyu	CEO	-40.2K	₩3,330	+6.9%	₩134M ($93K)
2025-08-04	SELL	Market Sell	박채규 Park Chae-gyu	CEO	-18.1K	₩3,365	+7.9%	₩61M ($42K)
2025-06-05	SELL	시간외매매	디티앤씨 DT&C	-	-375.0K	₩4,710	+34.2%	₩1.8B ($1.2M)
2024-12-18	SELL	Market Sell	설정원 Seong-won	Managing Director	-1.0K	₩6,050	+48.8%	₩6M ($4K)
2024-12-18	SELL	Market Sell	설정원 Seong-won	Managing Director	-3.0K	₩6,050	+48.8%	₩18M ($13K)
2024-06-18	SELL	Market Sell	설정원 Seong-won	Managing Director	-100	₩9,320	+66.7%	₩932K ($647)
2024-05-17	SELL	Market Sell	설정원 Seong-won	Managing Director	-500	₩9,110	+66.0%	₩5M ($3K)
2024-05-03	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-300	₩7,840	+60.5%	₩2M ($2K)
2024-05-03	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-200	₩7,840	+60.5%	₩2M ($1K)
2024-05-03	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-100	₩7,840	+60.5%	₩784K ($544)
2024-05-03	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-200	₩7,840	+60.5%	₩2M ($1K)
2024-05-03	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-500	₩7,840	+60.5%	₩4M ($3K)
2024-05-02	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-100	₩7,990	+61.2%	₩799K ($555)
2024-05-02	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-100	₩7,990	+61.2%	₩799K ($555)
2024-05-02	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-100	₩7,990	+61.2%	₩799K ($555)
2024-04-24	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-500	₩6,350	+51.2%	₩3M ($2K)
2024-04-24	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-250	₩6,350	+51.2%	₩2M ($1K)
2024-04-24	SELL	Market Sell	정혜연 Hyeyeon Jeong	moving	-250	₩6,350	+51.2%	₩2M ($1K)
2024-04-01	BUY	주식매수청구권 행사	설정원 Seong-won	Managing Director	5.0K	₩8,660	-64.2%	₩43M ($30K)
2024-04-01	BUY	주식매수청구권 행사	정혜연 Hyeyeon Jeong	moving	5.0K	₩8,660	-64.2%	₩43M ($30K)

Frequently asked questions

Who has been buying DT&CRO stock?: 3 distinct insiders have filed 0 disclosed insider purchases in DT&CRO (383930), most recently on 2025-08-07. 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&CRO have?: DT&CRO has 0 buy-side and 19 sell-side disclosures on record, covering ₩619M ($430K) in total reported value, spanning 2024-04-01 to 2025-08-07.
Where does StockDrifts get DT&CRO 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 DT&CRO. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.