Who has been buying jison stock?

14 distinct insiders have filed 27 disclosed insider purchases in jison (446840), 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 jison have?

jison has 27 buy-side and 0 sell-side disclosures on record, covering ₩988M ($686K) in total reported value, spanning 2025-07-30 to 2026-06-30.

Where does StockDrifts get jison 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.

jison 446840

Company

지슨jison

Insiders

Buys

Total Value

₩988M ($686K)

Avg Return

-2.85%

Last Filing

2026-06-30

jison (446840) has 27 disclosed insider purchases and 0 disclosed disposals on record, filed by 14 distinct insiders. Together those filings cover ₩988M ($686K) in reported transaction value. The earliest filing StockDrifts holds for jison is dated 2025-07-30; 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 -2.85%, 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	이원용 Lee Won-yong	general manager	1.3K	₩3,280	+2.1%	₩4M ($3K)
2026-08-06	BUY	Market Buy	이원용 Lee Won-yong	general manager	1.8K	₩3,135	+6.9%	₩6M ($4K)
2026-08-05	BUY	Market Buy	이원용 Lee Won-yong	general manager	1.2K	₩3,150	+6.3%	₩4M ($3K)
2026-08-04	BUY	Market Buy	이원용 Lee Won-yong	general manager	3.2K	₩3,140	+0.0%	₩10M ($7K)
2026-07-31	BUY	Market Buy	김건우 Geonwoo Kim	implementation	1.1K	₩3,025	+3.8%	₩3M ($2K)
2026-07-24	BUY	Market Buy	김건우 Geonwoo Kim	implementation	1.0K	₩3,075	-1.6%	₩3M ($2K)
2026-06-30	SELL	주식병합	김대완 Daewan Kim	implementation	-11.8K	-	-	-
2026-06-30	SELL	주식병합	김유숭 Yusung Kim	general manager	-808	-	-	-
2026-06-30	SELL	주식병합	김정준 Jeongjun Kim	general manager	-44.6K	-	-	-
2026-06-30	SELL	주식병합	하성주 Ha Seong-ju	implementation	-2.4K	-	-	-
2026-06-30	SELL	주식병합	홍성 Hongseong	implementation	-154.9K	-	-	-
2026-06-30	SELL	주식병합	김진중 Jinjoong Kim	implementation	-584	-	-	-
2026-06-30	SELL	주식병합	주정운 Joo Jeong-woon	general manager	-8.0K	-	-	-
2026-06-30	SELL	주식병합	이원용 Lee Won-yong	general manager	-27.6K	-	-	-
2026-06-30	SELL	주식병합	이성훈 Seonghoon Lee	implementation	-1.0K	-	-	-
2026-06-30	SELL	주식병합	이민욱 Lee Min-wook	general manager	-21.0K	-	-	-
2026-06-30	SELL	주식병합	류지훈 Ryu Ji-hoon	vice president	-22.8K	-	-	-
2026-06-30	SELL	주식병합	오영진 Youngjin Oh	general manager	-12.4K	-	-	-
2026-06-30	SELL	주식병합	권오성 Kwon Oh-seong	general manager	-8.5K	-	-	-
2026-06-30	SELL	주식병합	이현규 Hyeongyu Lee	general manager	-4.0K	-	-	-
2026-06-30	SELL	주식병합	김건우 Geonwoo Kim	implementation	-39.1K	-	-	-
2026-06-30	SELL	주식병합	이태헌 Taeheon Lee	implementation	-23.3K	-	-	-
2026-06-30	SELL	주식병합	조한경 Cho Han-kyung	implementation	-180.8K	-	-	-
2026-06-03	SELL	주식병합	한동진 Han Dong-jin	CEO	-8.1M	-	-	-
2026-05-06	BUY	Market Buy	이현규 Hyeongyu Lee	general manager	400	-	-	-
2026-04-24	BUY	Market Buy	이현규 Hyeongyu Lee	general manager	300	₩1,450	-0.8%	₩435K ($302)
2026-04-21	BUY	Market Buy	권오성 Kwon Oh-seong	general manager	3.0K	₩1,410	+0.0%	₩4M ($3K)
2026-04-13	BUY	Market Buy	이현규 Hyeongyu Lee	general manager	4.3K	₩1,244	+13.3%	₩5M ($4K)
2026-04-13	BUY	Market Buy	권오성 Kwon Oh-seong	general manager	2.1K	₩1,244	+13.3%	₩3M ($2K)
2026-04-10	BUY	Market Buy	권오성 Kwon Oh-seong	general manager	441	₩1,253	+12.5%	₩553K ($384)
2026-04-01	BUY	신규선임	하성주 Ha Seong-ju	implementation	3.0K	₩1,360	+3.7%	₩4M ($3K)
2026-04-01	BUY	신규선임	이성훈 Seonghoon Lee	implementation	1.3K	₩1,360	+3.7%	₩2M ($1K)
2026-04-01	BUY	신규선임	김진중 Jinjoong Kim	implementation	730	₩1,360	+3.7%	₩993K ($689)
2026-04-01	BUY	신규선임	권오성 Kwon Oh-seong	general manager	5.1K	₩1,360	+3.7%	₩7M ($5K)
2026-03-31	BUY	Market Buy	이태헌 Taeheon Lee	implementation	3.4K	₩1,344	+4.9%	₩5M ($3K)
2026-03-27	BUY	Market Buy	주정운 Joo Jeong-woon	general manager	10.0K	₩1,449	-2.7%	₩14M ($10K)
2026-03-27	BUY	Market Buy	이원용 Lee Won-yong	general manager	7.3K	₩1,449	-2.7%	₩11M ($7K)
2026-03-25	BUY	Market Buy	김유숭 Yusung Kim	general manager	1.0K	₩1,374	+2.6%	₩1M ($964)
2026-03-25	BUY	PROGRAM	김정준 Jeongjun Kim	general manager	7.1K	₩1,374	+2.6%	₩10M ($7K)
2026-03-24	BUY	PROGRAM	김정준 Jeongjun Kim	general manager	7.0K	₩1,349	+4.5%	₩9M ($7K)
2026-03-24	BUY	Market Buy	이원용 Lee Won-yong	general manager	7.2K	₩1,349	+4.5%	₩10M ($7K)
2026-03-23	BUY	PROGRAM	김정준 Jeongjun Kim	general manager	697	₩1,364	+3.4%	₩951K ($660)
2026-03-20	BUY	PROGRAM	오영진 Youngjin Oh	general manager	1.3K	₩1,405	+0.4%	₩2M ($1K)
2026-03-20	BUY	PROGRAM	이원중 Wonjoong Lee	general manager	8.0K	₩1,405	+0.4%	₩11M ($8K)
2026-03-20	BUY	Market Buy	김대완 Daewan Kim	implementation	740	₩1,405	+2.4%	₩1M ($722)
2026-03-19	BUY	PROGRAM	조한경 Cho Han-kyung	implementation	4.1K	₩1,401	+0.6%	₩6M ($4K)
2026-03-19	BUY	PROGRAM	김건우 Geonwoo Kim	implementation	1.5K	₩1,401	+0.6%	₩2M ($1K)
2026-03-19	BUY	PROGRAM	이민욱 Lee Min-wook	general manager	3.5K	₩1,401	+0.6%	₩5M ($3K)
2025-12-03	BUY	Market Buy	김건우 Geonwoo Kim	implementation	5.0K	₩1,760	-11.2%	₩9M ($6K)
2025-09-15	BUY	Market Buy	한동진 Han Dong-jin	CEO	84	₩2,000	-21.9%	₩168K ($117)

Showing the 50 most recent of 67 filings.

Frequently asked questions

Who has been buying jison stock?: 14 distinct insiders have filed 27 disclosed insider purchases in jison (446840), 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 jison have?: jison has 27 buy-side and 0 sell-side disclosures on record, covering ₩988M ($686K) in total reported value, spanning 2025-07-30 to 2026-06-30.
Where does StockDrifts get jison 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 jison. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.