Who has been buying DTC stock?

1 distinct insiders have filed 257 disclosed insider purchases in DTC (066670), most recently on 2026-05-07. 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 DTC have?

DTC has 257 buy-side and 0 sell-side disclosures on record, spanning 2014-10-13 to 2026-05-07.

Where does StockDrifts get DTC 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.

DTC 066670

Company

디티씨DTC

Insiders

Buys

257

Total Value

—

Avg Return

—

Last Filing

2026-05-07

DTC (066670) has 257 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. The earliest filing StockDrifts holds for DTC is dated 2014-10-13; the most recent is 2026-05-07. All of it is parsed from DART D001/D002 insider disclosures, the official disclosure system operated by the Financial Supervisory Service (Korea).

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-05-07	BUY	시간외매매	온셀텍 Oncelltech	-	1.4M	₩3,050	+1.5%	₩4.3B ($3.0M)
2025-05-16	BUY	Market Buy	온셀텍 Oncelltech	-	10.0K	-	-	-
2025-05-15	BUY	Market Buy	온셀텍 Oncelltech	-	5.0K	-	-	-
2025-04-29	BUY	Market Buy	온셀텍 Oncelltech	-	10.0K	-	-	-
2025-04-28	BUY	Market Buy	온셀텍 Oncelltech	-	1.8K	-	-	-
2025-04-25	BUY	Market Buy	온셀텍 Oncelltech	-	7.1K	-	-	-
2025-04-23	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2025-04-15	BUY	Market Buy	온셀텍 Oncelltech	-	10.0K	-	-	-
2025-04-14	BUY	Market Buy	온셀텍 Oncelltech	-	8.1K	-	-	-
2025-04-11	BUY	Market Buy	온셀텍 Oncelltech	-	15.0K	-	-	-
2025-04-10	BUY	Market Buy	온셀텍 Oncelltech	-	14.0K	-	-	-
2025-03-25	BUY	Market Buy	온셀텍 Oncelltech	-	22.0K	-	-	-
2020-09-24	BUY	Market Buy	온셀텍 Oncelltech	-	26.1K	-	-	-
2020-05-07	BUY	Market Buy	온셀텍 Oncelltech	-	3.0K	-	-	-
2020-04-27	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-04-17	BUY	Market Buy	온셀텍 Oncelltech	-	5.0K	-	-	-
2020-04-10	BUY	Market Buy	온셀텍 Oncelltech	-	3.0K	-	-	-
2020-04-08	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-04-07	BUY	Market Buy	온셀텍 Oncelltech	-	4.6K	-	-	-
2020-04-06	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-04-03	BUY	Market Buy	온셀텍 Oncelltech	-	4.0K	-	-	-
2020-03-31	BUY	Market Buy	온셀텍 Oncelltech	-	4.0K	-	-	-
2020-03-30	BUY	Market Buy	온셀텍 Oncelltech	-	7.0K	-	-	-
2020-03-27	BUY	Market Buy	온셀텍 Oncelltech	-	6.0K	-	-	-
2020-03-26	BUY	Market Buy	온셀텍 Oncelltech	-	7.0K	-	-	-
2020-03-25	BUY	Market Buy	온셀텍 Oncelltech	-	7.0K	-	-	-
2020-03-24	BUY	Market Buy	온셀텍 Oncelltech	-	10.1K	-	-	-
2020-03-23	BUY	Market Buy	온셀텍 Oncelltech	-	34.5K	-	-	-
2020-03-20	BUY	Market Buy	온셀텍 Oncelltech	-	1.0K	-	-	-
2020-03-19	BUY	Market Buy	온셀텍 Oncelltech	-	2.2K	-	-	-
2020-03-17	BUY	Market Buy	온셀텍 Oncelltech	-	800	-	-	-
2020-03-13	BUY	Market Buy	온셀텍 Oncelltech	-	3.8K	-	-	-
2020-03-12	BUY	Market Buy	온셀텍 Oncelltech	-	300	-	-	-
2020-03-10	BUY	Market Buy	온셀텍 Oncelltech	-	4.0K	-	-	-
2020-03-09	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-03-06	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-03-04	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-02-07	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-02-06	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-02-04	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-01-31	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2020-01-16	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2019-12-06	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2019-12-05	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2019-12-02	BUY	Market Buy	온셀텍 Oncelltech	-	1.9K	-	-	-
2019-11-29	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2019-11-22	BUY	Market Buy	온셀텍 Oncelltech	-	2.0K	-	-	-
2019-11-11	BUY	Market Buy	온셀텍 Oncelltech	-	3.0K	-	-	-
2019-10-29	BUY	Market Buy	온셀텍 Oncelltech	-	4.0K	-	-	-
2019-10-23	BUY	Market Buy	온셀텍 Oncelltech	-	5.0K	-	-	-

Showing the 50 most recent of 200 filings.

Frequently asked questions

Who has been buying DTC stock?: 1 distinct insiders have filed 257 disclosed insider purchases in DTC (066670), most recently on 2026-05-07. 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 DTC have?: DTC has 257 buy-side and 0 sell-side disclosures on record, spanning 2014-10-13 to 2026-05-07.
Where does StockDrifts get DTC 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 DTC. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.