Who has been buying CP system stock?

1 distinct insiders have filed 0 disclosed insider purchases in CP system (413630), most recently on 2025-12-17. 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 CP system have?

CP system has 0 buy-side and 25 sell-side disclosures on record, covering ₩3.8B ($2.7M) in total reported value, spanning 2024-06-14 to 2025-12-17.

Where does StockDrifts get CP system 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.

CP system 413630

Company

씨피시스템CP system

Insiders

Buys

Total Value

₩3.8B ($2.7M)

Avg Return

-50.41%

Last Filing

2025-12-17

CP system (413630) has 0 disclosed insider purchases and 25 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩3.8B ($2.7M) in reported transaction value. The earliest filing StockDrifts holds for CP system is dated 2024-06-14; the most recent is 2025-12-17. 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 -50.41%, 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
2025-12-17	BUY	신규선임	장갑성 armored castle	moving	2.0K	₩4,210	+7.5%	₩8M ($6K)
2024-11-13	SELL	시간외매매	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-500.0K	₩2,320	-95.0%	₩1.2B ($806K)
2024-10-17	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-9.5K	₩2,765	-63.6%	₩26M ($18K)
2024-10-16	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-59.3K	₩2,785	-62.5%	₩165M ($115K)
2024-10-15	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-197.6K	₩2,880	-57.1%	₩569M ($395K)
2024-10-14	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-51.2K	₩2,880	-57.1%	₩147M ($102K)
2024-10-11	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-59.2K	₩2,880	-57.1%	₩170M ($118K)
2024-10-10	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-20.0K	₩2,885	-56.9%	₩58M ($40K)
2024-10-08	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-62.1K	₩2,890	-56.6%	₩179M ($125K)
2024-09-09	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-35.6K	₩2,735	-65.5%	₩97M ($68K)
2024-08-23	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-1.2K	₩2,755	-64.3%	₩3M ($2K)
2024-08-22	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-34.7K	₩2,795	-61.9%	₩97M ($67K)
2024-08-14	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-1.1K	₩2,940	-53.9%	₩3M ($2K)
2024-08-13	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-14.4K	₩2,910	-55.5%	₩42M ($29K)
2024-08-06	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-713	₩2,715	-66.7%	₩2M ($1K)
2024-08-05	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-276	₩2,460	-83.9%	₩679K ($472)
2024-08-02	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-11.3K	₩2,990	-51.3%	₩34M ($23K)
2024-07-31	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-2.8K	₩3,100	-46.0%	₩9M ($6K)
2024-07-30	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-46.7K	₩3,145	-43.9%	₩147M ($102K)
2024-07-29	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-111.6K	₩3,280	-38.0%	₩366M ($254K)
2024-07-11	SELL	시간외매매	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-600.0K	₩3,410	-32.7%	₩2.0B ($1.4M)
2024-07-10	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-37.7K	₩3,730	-21.3%	₩141M ($98K)
2024-07-10	SELL	장외매도	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-400.0K	₩3,730	-21.3%	₩1.5B ($1.0M)
2024-07-09	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-14.3K	₩3,665	-23.5%	₩53M ($36K)
2024-07-08	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-44.4K	₩3,665	-23.5%	₩163M ($113K)
2024-07-05	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-4.0K	₩3,425	-32.1%	₩14M ($10K)
2024-07-04	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-230.1K	₩3,450	-31.2%	₩794M ($551K)
2024-07-02	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-6.6K	₩3,375	-34.1%	₩22M ($16K)
2024-07-01	SELL	Market Sell	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	-178.2K	₩2,960	-52.9%	₩527M ($366K)
2024-06-14	BUY	합병	김혜정 Kim Hye-jeong	CEO	13.1M	₩4,005	+13.0%	₩52.5B ($36.5M)
2024-06-14	BUY	합병	조영미 Youngmi Cho	-	5.0M	₩4,005	+13.0%	₩20.2B ($14.0M)
2024-06-14	BUY	합병	에스케이에스-YP 신기술투자조합 제2호 SKS-YP New Technology Investment Association No. 2	-	6.6M	₩4,005	+13.0%	₩26.3B ($18.2M)
2024-06-14	BUY	합병	김경민 Kyungmin Kim	CEO	7.9M	₩4,005	+13.0%	₩31.6B ($21.9M)

Frequently asked questions

Who has been buying CP system stock?: 1 distinct insiders have filed 0 disclosed insider purchases in CP system (413630), most recently on 2025-12-17. 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 CP system have?: CP system has 0 buy-side and 25 sell-side disclosures on record, covering ₩3.8B ($2.7M) in total reported value, spanning 2024-06-14 to 2025-12-17.
Where does StockDrifts get CP system 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 CP system. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.