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.

Where does StockDrifts get Inotena 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.

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. 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 +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.
Where does StockDrifts get Inotena 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 Inotena. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.