Who has been buying Inotena stock?

1 distinct insiders have filed 1 disclosed insider purchases in Inotena (333050), most recently on 2026-04-29. 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 Inotena have?

Inotena has 1 buy-side and 13 sell-side disclosures on record, covering ₩171M ($119K) in total reported value, spanning 2024-02-19 to 2026-04-29.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

Inotena 333050

Company

이노테나Inotena

Insiders

Buys

Total Value

₩171M ($119K)

Avg Return

+14.35%

Last Filing

2026-04-29

Inotena (333050) has 1 disclosed insider purchases and 13 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩171M ($119K) in reported transaction value. The earliest filing StockDrifts holds for Inotena is dated 2024-02-19; the most recent is 2026-04-29. Across these filings the average return since disclosure is +14.35%, 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
2026-04-29	SELL	주식병합	김인수 Insu Kim	president	-5.8M	₩1,393	-368.8%	₩8.1B ($5.6M)
2026-04-29	SELL	주식병합	윤영호 Youngho Yoon	president	-366.5K	₩1,393	-368.8%	₩511M ($355K)
2026-04-29	SELL	주식병합	조천희 Cho Cheon-hee	president	-2.3M	₩1,393	-368.8%	₩3.2B ($2.2M)
2025-09-25	SELL	Market Sell	고재현 Go Jae-hyun	-	-10.0K	₩1,639	+25.1%	₩16M ($11K)
2025-09-11	SELL	Market Sell	고재현 Go Jae-hyun	-	-75.0K	₩1,605	+23.5%	₩120M ($84K)
2025-06-26	SELL	Market Sell	고재현 Go Jae-hyun	-	-7.0K	₩1,524	+19.4%	₩11M ($7K)
2025-06-23	SELL	Market Sell	고재현 Go Jae-hyun	-	-3.0K	₩1,599	+23.2%	₩5M ($3K)
2025-06-20	SELL	Market Sell	고재현 Go Jae-hyun	-	-5.0K	₩1,567	+21.6%	₩8M ($5K)
2025-06-05	SELL	Market Sell	고재현 Go Jae-hyun	-	-625	₩1,500	+18.1%	₩938K ($651)
2025-06-02	SELL	Market Sell	고재현 Go Jae-hyun	-	-2.0K	₩1,430	+14.1%	₩3M ($2K)
2025-05-27	SELL	Market Sell	고재현 Go Jae-hyun	-	-1.0K	₩1,323	+7.2%	₩1M ($919)
2025-05-26	SELL	Market Sell	고재현 Go Jae-hyun	-	-1.0K	₩1,411	+13.0%	₩1M ($980)
2025-05-20	SELL	Market Sell	고재현 Go Jae-hyun	-	-1.0K	₩1,419	+13.5%	₩1M ($985)
2025-05-19	SELL	Market Sell	고재현 Go Jae-hyun	-	-1.0K	₩1,409	+12.8%	₩1M ($978)
2025-05-16	SELL	Market Sell	고재현 Go Jae-hyun	-	-1.0K	₩1,400	+12.3%	₩1M ($972)
2025-05-15	SELL	Market Sell	고재현 Go Jae-hyun	-	-208	₩1,434	+14.4%	₩298K ($207)
2025-05-13	BUY	Market Buy	고재현 Go Jae-hyun	-	3	₩1,485	-17.3%	₩4K ($3)
2025-04-21	SELL	증여	고재현 Go Jae-hyun	major shareholders	-200.0K	₩1,606	+23.5%	₩321M ($223K)
2025-02-04	BUY	주식매수선택권	윤영호 Youngho Yoon	president	154.0K	₩1,290	-4.8%	₩199M ($138K)
2024-11-19	BUY	주식매수선택권	윤영호 Youngho Yoon	vice president	15.0K	₩1,278	-3.9%	₩19M ($13K)
2024-06-03	BUY	주식매수선택권	윤영호 Youngho Yoon	vice president	134.0K	₩1,408	-12.8%	₩189M ($131K)
2024-02-19	BUY	주식매수선택권	윤영호 Youngho Yoon	vice president	48.0K	₩1,400	-12.3%	₩67M ($47K)

Frequently asked questions

Who has been buying Inotena stock?: 1 distinct insiders have filed 1 disclosed insider purchases in Inotena (333050), most recently on 2026-04-29. 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 Inotena have?: Inotena has 1 buy-side and 13 sell-side disclosures on record, covering ₩171M ($119K) in total reported value, spanning 2024-02-19 to 2026-04-29.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.