Who has been buying Global SM stock?

2 distinct insiders have filed 9 disclosed insider purchases in Global SM (900070), most recently on 2026-06-26. 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 Global SM have?

Global SM has 9 buy-side and 0 sell-side disclosures on record, covering ₩131M ($91K) in total reported value, spanning 2012-03-26 to 2026-06-26.

Where does StockDrifts get Global SM 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.

Global SM 900070

Company

글로벌에스엠Global SM

Insiders

Buys

Total Value

₩131M ($91K)

Avg Return

+16.48%

Last Filing

2026-06-26

Global SM (900070) has 9 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩131M ($91K) in reported transaction value. The earliest filing StockDrifts holds for Global SM is dated 2012-03-26; the most recent is 2026-06-26. 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 +16.48%, 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
2026-06-26	BUY	Market Buy	나윤복 Na Yun-bok	-	5.0K	₩1,078	-6.7%	₩5M ($4K)
2026-05-01	SELL	주식병합	나윤용 Na Yun-yong	-	-612.9K	₩1,220	+17.5%	₩748M ($519K)
2026-05-01	SELL	주식병합	나윤복 Na Yun-bok	-	-1.1M	₩1,220	+17.5%	₩1.4B ($958K)
2026-05-01	SELL	주식병합	서울메탈홀딩스 Seoul Metal Holdings	-	-10.3M	₩1,220	+17.5%	₩12.5B ($8.7M)
2026-05-01	SELL	주식병합	나윤환 Na Yun-hwan	-	-775.7K	₩1,220	+17.5%	₩946M ($657K)
2026-04-28	BUY	Market Buy	서울메탈홀딩스 Seoul Metal Holdings	-	50.0K	₩610	+0.0%	₩31M ($21K)
2026-04-16	BUY	Market Buy	서울메탈홀딩스 Seoul Metal Holdings	-	30.0K	₩597	+1.2%	₩18M ($12K)
2026-04-15	BUY	Market Buy	서울메탈홀딩스 Seoul Metal Holdings	-	15.0K	₩596	+1.3%	₩9M ($6K)
2026-04-14	BUY	Market Buy	서울메탈홀딩스 Seoul Metal Holdings	-	50.0K	₩575	+5.0%	₩29M ($20K)
2026-04-06	BUY	Market Buy	서울메탈홀딩스 Seoul Metal Holdings	-	50.0K	₩514	+17.5%	₩26M ($18K)
2025-12-11	BUY	시간외매매	서울메탈홀딩스 Seoul Metal Holdings	-	340.6K	₩422	+64.9%	₩144M ($100K)
2025-09-25	BUY	Market Buy	나윤복 Na Yun-bok	-	12.0K	₩458	+52.0%	₩5M ($4K)
2025-08-05	BUY	Market Buy	나윤복 Na Yun-bok	-	10.0K	₩467	+49.0%	₩5M ($3K)
2025-07-04	BUY	Market Buy	나윤복 Na Yun-bok	-	6.0K	₩540	+28.9%	₩3M ($2K)
2016-03-22	BUY	주식배당	나윤환 Na Yun-hwan	-	202.4K	-	-	-
2016-03-22	BUY	주식배당	나윤용 Na Yun-yong	-	159.9K	-	-	-
2015-04-09	BUY	무상신주취득	나윤환 Na Yun-hwan	-	176.0K	-	-	-
2015-04-09	BUY	무상신주취득	나윤용 Na Yun-yong	-	139.0K	-	-	-
2013-03-25	BUY	주식배당	나윤환 Na Yun-hwan	-	55.9K	-	-	-
2013-03-25	BUY	주식배당	나윤용 Na Yun-yong	-	44.1K	-	-	-
2012-03-26	BUY	주식배당	나윤환 Na Yun-hwan	-	53.2K	-	-	-
2012-03-26	BUY	주식배당	나윤용 Na Yun-yong	-	42.0K	-	-	-

Frequently asked questions

Who has been buying Global SM stock?: 2 distinct insiders have filed 9 disclosed insider purchases in Global SM (900070), most recently on 2026-06-26. 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 Global SM have?: Global SM has 9 buy-side and 0 sell-side disclosures on record, covering ₩131M ($91K) in total reported value, spanning 2012-03-26 to 2026-06-26.
Where does StockDrifts get Global SM 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 Global SM. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.