Who has been buying Kona I stock?

10 distinct insiders have filed 28 disclosed insider purchases in Kona I (052400), most recently on 2026-07-15. 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 Kona I have?

Kona I has 28 buy-side and 12 sell-side disclosures on record, covering ₩6.8B ($4.7M) in total reported value, spanning 2021-07-15 to 2026-07-15.

Where does StockDrifts get Kona I 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.

Kona I 052400

Company

코나아이Kona I

Insiders

Buys

Total Value

₩6.8B ($4.7M)

Avg Return

+38.17%

Last Filing

2026-07-15

Kona I (052400) has 28 disclosed insider purchases and 12 disclosed disposals on record, filed by 10 distinct insiders. Together those filings cover ₩6.8B ($4.7M) in reported transaction value. The earliest filing StockDrifts holds for Kona I is dated 2021-07-15; the most recent is 2026-07-15. 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 +38.17%, 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
2026-08-07	BUY	Market Buy	조남희 Jo Nam-hee	Managing Director	3.1K	₩41,400	+2.9%	₩128M ($89K)
2026-08-06	BUY	Market Buy	조남희 Jo Nam-hee	Managing Director	2.3K	₩43,200	-1.4%	₩92M ($64K)
2026-08-05	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	750	₩41,750	+0.0%	₩29M ($20K)
2026-08-04	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	3.5K	₩41,050	+1.7%	₩138M ($96K)
2026-07-31	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	300	₩39,700	+5.2%	₩11M ($7K)
2026-07-29	BUY	Market Buy	조남희 Jo Nam-hee	Managing Director	1.2K	₩35,450	+15.8%	₩40M ($28K)
2026-07-22	BUY	Market Buy	조남희 Jo Nam-hee	Managing Director	1.2K	₩40,050	-0.9%	₩50M ($35K)
2026-07-15	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	400	₩42,900	-4.1%	₩17M ($12K)
2026-07-02	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	50	₩46,400	-14.7%	₩2M ($2K)
2026-06-30	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	300	₩45,650	-13.3%	₩12M ($8K)
2026-04-06	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	100	₩53,400	-21.8%	₩6M ($4K)
2026-04-03	BUY	Market Buy	조남희 Jo Nam-hee	Managing Director	5.0K	₩54,400	+15.4%	₩272M ($189K)
2026-04-03	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	500	₩54,400	+15.4%	₩27M ($19K)
2026-04-02	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	5.0K	₩55,000	+14.2%	₩275M ($191K)
2026-03-19	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	434	₩58,500	+7.3%	₩25M ($18K)
2026-03-11	BUY	Market Buy	김병균 Kim Byeong-gyun	Zero Base/B2G	70	-	-	-
2026-03-09	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	400	-	-	-
2026-02-10	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	400	₩60,500	+15.2%	₩24M ($17K)
2026-01-29	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	800	₩62,200	+12.1%	₩50M ($35K)
2026-01-28	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	800	₩63,100	+10.5%	₩50M ($35K)
2026-01-27	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	2.8K	₩56,100	+24.2%	₩154M ($107K)
2026-01-23	BUY	주식매수청구권 행사	이정재 Jeongjae Lee	Managing Director	655	₩52,000	+34.0%	₩34M ($24K)
2025-12-26	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	100	₩46,300	+50.5%	₩5M ($3K)
2025-12-26	BUY	Market Buy	김병균 Kim Byeong-gyun	Zero Base/B2G	80	₩46,300	+50.5%	₩4M ($3K)
2025-12-23	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	100	₩46,500	+49.9%	₩5M ($3K)
2025-12-18	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	100	₩47,500	+46.7%	₩5M ($3K)
2025-12-17	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	800	₩48,000	+45.2%	₩38M ($27K)
2025-12-15	BUY	Market Buy	조남희 Jo Nam-hee	Managing Director	1.0K	₩47,900	+45.5%	₩48M ($33K)
2025-07-21	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	200	₩60,800	+14.6%	₩12M ($8K)
2025-07-17	BUY	Market Buy	조재현 Jo Jae-hyun	Managing Director	200	₩55,000	+26.7%	₩11M ($8K)
2025-06-30	BUY	주식매수선택권	신승은 Shin Seung-eun	moving	3.7K	₩61,000	+14.3%	₩228M ($159K)
2025-05-16	SELL	Market Sell	서우경 Seo Woo-kyung	Managing Director	-195	₩45,350	-53.7%	₩9M ($6K)
2025-05-14	SELL	Market Sell	서우경 Seo Woo-kyung	Managing Director	-2.0K	₩43,300	-61.0%	₩87M ($60K)
2025-05-12	SELL	Market Sell	서우경 Seo Woo-kyung	Managing Director	-500	₩45,000	-54.9%	₩23M ($16K)
2025-05-09	SELL	Market Sell	서우경 Seo Woo-kyung	Managing Director	-2.0K	₩45,000	-54.9%	₩90M ($63K)
2025-04-16	BUY	주식매수선택권	서우경 Seo Woo-kyung	Managing Director	1.3K	₩31,700	+119.9%	₩42M ($29K)
2025-04-16	BUY	주식매수선택권	유봉수 Yubongsu	Zero Base/B2G	1.9K	₩31,700	+119.9%	₩59M ($41K)
2025-04-16	BUY	Market Buy	김병균 Kim Byeong-gyun	Zero Base/B2G	150	₩31,700	+119.9%	₩5M ($3K)
2025-04-11	SELL	Market Sell	조정일 Adjustment date	CEO	-1.0K	₩43,550	-60.0%	₩44M ($30K)
2025-04-10	SELL	Market Sell	조정일 Adjustment date	CEO	-2.0K	₩45,450	-53.4%	₩91M ($63K)
2025-04-09	SELL	Market Sell	최병호 Byeongho Choi	moving	-720	₩46,300	-50.5%	₩33M ($23K)
2025-04-09	SELL	Market Sell	조정일 Adjustment date	CEO	-49.9K	₩46,300	-50.5%	₩2.3B ($1.6M)
2025-04-08	SELL	Market Sell	안성민 Seongmin Ahn	moving	-770	₩45,300	-53.9%	₩35M ($24K)
2025-04-08	SELL	Market Sell	조정일 Adjustment date	CEO	-31.4K	₩45,300	-53.9%	₩1.4B ($988K)
2025-04-07	SELL	Market Sell	조정일 Adjustment date	CEO	-31.3K	₩44,850	-55.4%	₩1.4B ($975K)
2025-03-31	SELL	Market Sell	신동우 Shin Dongwoo	thanks	-2.0K	₩25,000	-178.8%	₩50M ($35K)
2025-03-17	BUY	신규선임	조재현 Jo Jae-hyun	Managing Director	364.3K	₩28,950	+140.8%	₩10.5B ($7.3M)
2024-11-26	BUY	Market Buy	조남희 Jo Nam-hee	Managing Director	5.0K	₩14,790	+371.3%	₩74M ($51K)
2024-11-26	BUY	Market Buy	신수동 Sinsu-dong	Division representative	3.2K	₩14,790	+371.3%	₩48M ($33K)
2024-07-15	BUY	Market Buy	조정일 Adjustment date	CEO	413	₩15,690	+344.2%	₩6M ($4K)

Showing the 50 most recent of 59 filings.

Frequently asked questions

Who has been buying Kona I stock?: 10 distinct insiders have filed 28 disclosed insider purchases in Kona I (052400), most recently on 2026-07-15. 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 Kona I have?: Kona I has 28 buy-side and 12 sell-side disclosures on record, covering ₩6.8B ($4.7M) in total reported value, spanning 2021-07-15 to 2026-07-15.
Where does StockDrifts get Kona I 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 Kona I. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.