Who has been buying Cheongbo stock?

3 distinct insiders have filed 18 disclosed insider purchases in Cheongbo (013720), most recently on 2026-06-26. 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 Cheongbo have?

Cheongbo has 18 buy-side and 0 sell-side disclosures on record, covering ₩286M ($199K) in total reported value, spanning 2023-05-17 to 2026-06-26.

Where does StockDrifts get Cheongbo 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.

Cheongbo 013720

Company

청보Cheongbo

Insiders

Buys

Total Value

₩286M ($199K)

Avg Return

-11.26%

Last Filing

2026-06-26

Cheongbo (013720) has 18 disclosed insider purchases and 0 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩286M ($199K) in reported transaction value. The earliest filing StockDrifts holds for Cheongbo is dated 2023-05-17; the most recent is 2026-06-26. 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 -11.26%, 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
2026-06-26	BUY	Market Buy	배진한 exhausted	Registered director	40.0K	₩450	+8.4%	₩18M ($13K)
2026-06-22	BUY	Market Buy	배진한 exhausted	Registered director	10.0K	₩600	-25.0%	₩6M ($4K)
2026-06-19	BUY	Market Buy	배진한 exhausted	Registered director	10.0K	₩573	-21.5%	₩6M ($4K)
2026-05-11	BUY	Market Buy	배진한 exhausted	Registered director	50.0K	₩600	-3.2%	₩30M ($21K)
2026-04-30	BUY	Market Buy	배진한 exhausted	Registered director	25.0K	₩694	-10.1%	₩17M ($12K)
2026-04-29	BUY	Market Buy	배진한 exhausted	Registered director	204.3K	₩692	-9.8%	₩141M ($98K)
2026-03-16	BUY	Market Buy	배진한 exhausted	Registered director	3.6M	-	-	-
2025-11-24	BUY	Market Buy	장육 Jang-yuk	Managing Director	9.0K	₩717	-6.8%	₩6M ($4K)
2025-10-13	BUY	Market Buy	성봉두 Seongbongdu	vice president	16.0K	₩903	-26.0%	₩14M ($10K)
2025-03-10	BUY	Market Buy	성봉두 Seongbongdu	vice president	5.0K	₩695	-3.9%	₩3M ($2K)
2025-03-06	BUY	Market Buy	성봉두 Seongbongdu	vice president	8.0K	₩683	-2.2%	₩5M ($4K)
2025-02-24	BUY	Market Buy	성봉두 Seongbongdu	vice president	2.0K	₩724	-7.7%	₩1M ($1K)
2025-02-21	BUY	Market Buy	성봉두 Seongbongdu	vice president	3.0K	₩706	-5.4%	₩2M ($1K)
2025-02-20	BUY	Market Buy	성봉두 Seongbongdu	vice president	2.0K	₩695	-3.9%	₩1M ($965)
2025-02-20	BUY	Market Buy	장육 Jang-yuk	Managing Director	9.0K	₩695	-3.9%	₩6M ($4K)
2025-02-19	SELL	계약중도해지	한헌태 Heontae Han	moving	-48.3K	₩720	+7.2%	₩35M ($24K)
2025-02-19	SELL	계약중도해지	박영권 Youngkwon Park	moving	-48.3K	₩720	+7.2%	₩35M ($24K)
2025-02-19	SELL	계약중도해지	이호준 Hojun Lee	president	-259.0K	₩720	+7.2%	₩186M ($129K)
2025-02-19	SELL	대여	이호준 Hojun Lee	president	-61.0K	₩720	+7.2%	₩44M ($30K)
2025-02-19	SELL	계약중도해지	성봉두 Seongbongdu	vice president	-172.7K	₩720	+7.2%	₩124M ($86K)
2025-02-19	SELL	계약중도해지	장육 Jang-yuk	Managing Director	-172.7K	₩720	+7.2%	₩124M ($86K)
2025-02-19	SELL	계약중도해지	이정직 Jeongjik Lee	moving	-48.3K	₩720	+7.2%	₩35M ($24K)
2025-02-19	SELL	계약중도해지	오경원 Oh Gyeong-won	CEO	-207.2K	₩720	+7.2%	₩149M ($104K)
2025-02-19	BUY	Market Buy	성봉두 Seongbongdu	vice president	3.0K	₩720	-7.2%	₩2M ($2K)
2024-11-18	BUY	Market Buy	성봉두 Seongbongdu	vice president	15.0K	₩977	-31.6%	₩15M ($10K)
2024-11-18	BUY	Market Buy	장육 Jang-yuk	CEO	10.0K	₩977	-31.6%	₩10M ($7K)
2023-05-17	SELL	주식병합	박영권 Youngkwon Park	moving	-20.4K	₩2,360	+71.7%	₩48M ($33K)

Frequently asked questions

Who has been buying Cheongbo stock?: 3 distinct insiders have filed 18 disclosed insider purchases in Cheongbo (013720), most recently on 2026-06-26. 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 Cheongbo have?: Cheongbo has 18 buy-side and 0 sell-side disclosures on record, covering ₩286M ($199K) in total reported value, spanning 2023-05-17 to 2026-06-26.
Where does StockDrifts get Cheongbo 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 Cheongbo. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.