Who has been buying SM stock?

5 distinct insiders have filed 4 disclosed insider purchases in SM (041510), most recently on 2026-03-11. 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 SM have?

SM has 4 buy-side and 5 sell-side disclosures on record, covering ₩4.0B ($2.8M) in total reported value, spanning 2024-03-07 to 2026-03-11.

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.

SM 041510

Company

에스엠SM

Insiders

Buys

Total Value

₩4.0B ($2.8M)

Avg Return

+12.28%

Last Filing

2026-03-11

SM (041510) has 4 disclosed insider purchases and 5 disclosed disposals on record, filed by 5 distinct insiders. Together those filings cover ₩4.0B ($2.8M) in reported transaction value. The earliest filing StockDrifts holds for SM is dated 2024-03-07; the most recent is 2026-03-11. Across these filings the average return since disclosure is +12.28%, 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
2026-03-11	BUY	Market Buy	장철혁 Cheolhyuk Jang	Co-CEO	2.0K	₩98,700	-7.8%	₩197M ($137K)
2026-03-11	BUY	Market Buy	이성수 Seongsu Lee	moving	2.0K	₩98,700	-7.8%	₩197M ($137K)
2026-03-11	BUY	Market Buy	탁영준 Tak Youngjun	Co-CEO	2.0K	₩98,700	-7.8%	₩197M ($137K)
2025-08-21	SELL	Market Sell	탁영준 Tak Youngjun	Co-CEO	-13.0K	₩149,500	+39.1%	₩1.9B ($1.3M)
2025-08-20	SELL	Market Sell	탁영준 Tak Youngjun	Co-CEO	-4.0K	₩150,900	+39.7%	₩604M ($419K)
2025-08-19	SELL	Market Sell	탁영준 Tak Youngjun	Co-CEO	-3.0K	₩148,200	+38.6%	₩445M ($309K)
2024-06-05	BUY	Market Buy	조성문 Cho Seong-moon	Outside Director	115	₩85,500	+6.4%	₩10M ($7K)
2024-05-30	SELL	시간외매매	하이브 hive	-	-755.5K	₩90,100	-1.0%	₩68.1B ($47.3M)
2024-05-27	SELL	Market Sell	최정민 Jeongmin Choi	Internal director	-3.0K	₩95,800	+5.0%	₩287M ($200K)
2024-05-27	SELL	Market Sell	최정민 Jeongmin Choi	Internal director	-1.2K	₩95,800	+5.0%	₩115M ($80K)
2024-03-07	BUY	풋옵션권리행사배정에따른주식취득	하이브 hive	-	868.9K	₩70,900	+28.4%	₩61.6B ($42.8M)

Frequently asked questions

Who has been buying SM stock?: 5 distinct insiders have filed 4 disclosed insider purchases in SM (041510), most recently on 2026-03-11. 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 SM have?: SM has 4 buy-side and 5 sell-side disclosures on record, covering ₩4.0B ($2.8M) in total reported value, spanning 2024-03-07 to 2026-03-11.
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.