Who has been buying Cage A stock?

5 distinct insiders have filed 20 disclosed insider purchases in Cage A (455180), most recently on 2026-06-30. 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 Cage A have?

Cage A has 20 buy-side and 1 sell-side disclosures on record, covering ₩177M ($123K) in total reported value, spanning 2025-06-17 to 2026-06-30.

Where does StockDrifts get Cage A 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.

Cage A 455180

Company

케이지에이Cage A

Insiders

Buys

Total Value

₩177M ($123K)

Avg Return

+1.22%

Last Filing

2026-06-30

Cage A (455180) has 20 disclosed insider purchases and 1 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩177M ($123K) in reported transaction value. The earliest filing StockDrifts holds for Cage A is dated 2025-06-17; the most recent is 2026-06-30. 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 +1.22%, 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
2026-06-30	BUY	Market Buy	장창수 Jang Chang-soo	Managing Director	2.0K	₩1,392	+23.2%	₩3M ($2K)
2026-06-30	BUY	Market Buy	이성일 Lee Seong-il	vice president	3.8K	₩1,392	+23.2%	₩5M ($4K)
2026-06-30	BUY	Market Buy	김기태 Kim Ki-tae	Managing Director	12.5K	₩1,392	+23.2%	₩17M ($12K)
2026-06-29	BUY	Market Buy	김기태 Kim Ki-tae	Managing Director	2.5K	₩1,376	+24.6%	₩3M ($2K)
2026-06-29	BUY	Market Buy	장창수 Jang Chang-soo	Managing Director	1.0K	₩1,376	+24.6%	₩1M ($956)
2026-06-16	BUY	Market Buy	김옥태 Oktae Kim	CEO	13.2K	₩1,746	-3.1%	₩23M ($16K)
2026-06-15	BUY	Market Buy	김옥태 Oktae Kim	CEO	17.8K	₩1,754	-3.6%	₩31M ($22K)
2026-06-12	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	1.0K	₩1,887	-7.0%	₩2M ($1K)
2026-06-12	BUY	Market Buy	김옥태 Oktae Kim	CEO	7.2K	₩1,887	-10.4%	₩13M ($9K)
2026-06-11	BUY	Market Buy	김옥태 Oktae Kim	CEO	7.1K	₩1,761	-0.4%	₩12M ($9K)
2026-06-11	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	1.0K	₩1,761	-0.4%	₩2M ($1K)
2026-06-10	BUY	Market Buy	김옥태 Oktae Kim	CEO	16.5K	₩1,675	+4.7%	₩28M ($19K)
2026-06-10	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	1.0K	₩1,675	+4.7%	₩2M ($1K)
2026-06-09	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	1.0K	₩1,690	+3.8%	₩2M ($1K)
2026-06-09	BUY	Market Buy	김옥태 Oktae Kim	CEO	15.0K	₩1,690	+3.8%	₩25M ($18K)
2026-06-08	BUY	Market Buy	김옥태 Oktae Kim	CEO	350	₩1,733	+1.2%	₩607K ($421)
2026-06-08	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	1.0K	₩1,733	+1.2%	₩2M ($1K)
2026-04-13	SELL	Market Sell	윤천주 Cheonju Yoon	Managing Director	-800	₩2,850	+38.5%	₩2M ($2K)
2026-03-18	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	100	₩3,000	-41.5%	₩300K ($208)
2026-03-13	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	200	₩3,070	-42.9%	₩614K ($426)
2026-03-12	BUY	Market Buy	윤천주 Cheonju Yoon	Managing Director	500	₩3,015	-41.8%	₩2M ($1K)
2025-09-25	BUY	주식매수선택권	문용정 Yongjeong Moon	Managing Director	32.1K	₩5,380	-40.1%	₩173M ($120K)
2025-09-25	BUY	주식매수선택권	반영철 Ban Jeong-cheol	moving	32.1K	₩5,380	-40.1%	₩173M ($120K)
2025-09-25	BUY	주식매수선택권	이성일 Lee Seong-il	vice president	49.4K	₩5,380	-40.1%	₩266M ($185K)
2025-06-17	BUY	PROGRAM	김혜령 Kim Hye-ryeong	Managing Director	19.4K	₩6,380	-49.5%	₩124M ($86K)
2025-06-17	BUY	PROGRAM	허진우 Jinwoo Heo	Managing Director	4.2K	₩6,380	-49.5%	₩27M ($19K)
2025-06-17	BUY	PROGRAM	김옥태 Oktae Kim	CEO	2.5M	₩6,380	-49.5%	₩16.0B ($11.1M)
2025-06-17	BUY	PROGRAM	이성일 Lee Seong-il	vice president	24.0K	₩6,380	-49.5%	₩153M ($106K)
2025-06-17	BUY	PROGRAM	반영철 Ban Jeong-cheol	moving	19.2K	₩6,380	-49.5%	₩122M ($85K)
2025-06-17	BUY	PROGRAM	장창수 Jang Chang-soo	Managing Director	24.0K	₩6,380	-49.5%	₩153M ($106K)
2025-06-17	BUY	신규상장	탑머티리얼 Top Material	-	1.8M	₩6,380	-49.5%	₩11.4B ($7.9M)
2025-06-17	BUY	PROGRAM	김기태 Kim Ki-tae	Managing Director	24.0K	₩6,380	-49.5%	₩153M ($106K)
2025-06-17	BUY	신규상장	조성수 Seongsoo Cho	moving	4.2K	₩6,380	-49.5%	₩27M ($19K)
2025-06-17	BUY	PROGRAM	문용정 Yongjeong Moon	Managing Director	19.2K	₩6,380	-49.5%	₩122M ($85K)

Frequently asked questions

Who has been buying Cage A stock?: 5 distinct insiders have filed 20 disclosed insider purchases in Cage A (455180), most recently on 2026-06-30. 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 Cage A have?: Cage A has 20 buy-side and 1 sell-side disclosures on record, covering ₩177M ($123K) in total reported value, spanning 2025-06-17 to 2026-06-30.
Where does StockDrifts get Cage A 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 Cage A. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.