Who has been buying EM&I stock?

1 distinct insiders have filed 33 disclosed insider purchases in EM&I (083470), most recently on 2026-04-07. 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 EM&I have?

EM&I has 33 buy-side and 5 sell-side disclosures on record, covering ₩1.1B ($761K) in total reported value, spanning 2024-03-12 to 2026-04-07.

Where does StockDrifts get EM&I 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.

EM&I 083470

Company

이엠앤아이EM&I

Insiders

Buys

Total Value

₩1.1B ($761K)

Avg Return

-31.68%

Last Filing

2026-04-07

EM&I (083470) has 33 disclosed insider purchases and 5 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩1.1B ($761K) in reported transaction value. The earliest filing StockDrifts holds for EM&I is dated 2024-03-12; the most recent is 2026-04-07. 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 -31.68%, 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	고창훈 Go Chang-hoon	CEO	82.1K	₩980	+0.8%	₩82M ($57K)
2026-04-07	SELL	Market Sell	고창훈 Go Chang-hoon	CEO	-120.0K	₩1,194	+6.1%	₩143M ($100K)
2025-09-19	SELL	Market Sell	고창훈 Go Chang-hoon	CEO	-102.0K	₩1,017	+7.6%	₩104M ($72K)
2024-12-24	SELL	Market Sell	고창훈 Go Chang-hoon	CEO	-30.0K	₩1,439	+34.7%	₩43M ($30K)
2024-12-23	SELL	Market Sell	고창훈 Go Chang-hoon	CEO	-40.0K	₩1,420	+33.8%	₩57M ($39K)
2024-12-18	SELL	Market Sell	고창훈 Go Chang-hoon	CEO	-140.0K	₩1,415	+33.6%	₩198M ($138K)
2024-12-11	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	4.0K	₩1,206	-22.1%	₩5M ($3K)
2024-12-10	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	20.0K	₩1,180	-20.3%	₩24M ($16K)
2024-11-14	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	30.0K	₩1,267	-25.8%	₩38M ($26K)
2024-11-12	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	16.0K	₩1,286	-26.9%	₩21M ($14K)
2024-11-08	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	25.0K	₩1,333	-29.5%	₩33M ($23K)
2024-11-01	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	12.0K	₩1,335	-29.6%	₩16M ($11K)
2024-10-31	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	16.0K	₩1,347	-30.2%	₩22M ($15K)
2024-10-29	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	17.0K	₩1,344	-30.1%	₩23M ($16K)
2024-09-09	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	10.0K	₩1,427	-34.1%	₩14M ($10K)
2024-09-06	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	10.0K	₩1,461	-35.7%	₩15M ($10K)
2024-09-03	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	5.0K	₩1,543	-39.1%	₩8M ($5K)
2024-09-02	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	10.0K	₩1,547	-39.2%	₩15M ($11K)
2024-08-19	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	22.0K	₩1,605	-41.4%	₩35M ($25K)
2024-08-13	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	1.6K	₩1,666	-43.6%	₩3M ($2K)
2024-08-12	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	7.4K	₩1,673	-43.8%	₩12M ($9K)
2024-08-09	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	6.0K	₩1,650	-43.0%	₩10M ($7K)
2024-08-08	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	18.0K	₩1,640	-42.7%	₩30M ($21K)
2024-08-07	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	10.0K	₩1,640	-42.7%	₩16M ($11K)
2024-08-06	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	10.0K	₩1,597	-41.1%	₩16M ($11K)
2024-07-29	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	5.0K	₩1,700	-44.7%	₩9M ($6K)
2024-07-26	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	3.0K	₩1,702	-44.8%	₩5M ($4K)
2024-07-25	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	4.2K	₩1,712	-45.1%	₩7M ($5K)
2024-07-23	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	7.8K	₩1,714	-45.2%	₩13M ($9K)
2024-07-19	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	5.5K	₩1,690	-44.4%	₩9M ($7K)
2024-07-18	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	33.0K	₩1,687	-44.3%	₩56M ($39K)
2024-07-17	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	11.5K	₩1,719	-45.3%	₩20M ($14K)
2024-07-16	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	10.0K	₩1,736	-45.9%	₩17M ($12K)
2024-07-15	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	10.0K	₩1,704	-44.8%	₩17M ($12K)
2024-04-19	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	5.0K	₩1,935	-51.4%	₩10M ($7K)
2024-04-18	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	2.0K	₩1,972	-52.3%	₩4M ($3K)
2024-03-21	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	5.0K	₩2,140	-56.1%	₩11M ($7K)
2024-03-13	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	5.0K	₩1,853	-49.3%	₩9M ($6K)
2024-03-12	BUY	Market Buy	고창훈 Go Chang-hoon	CEO	5.0K	₩1,709	-45.0%	₩9M ($6K)

Frequently asked questions

Who has been buying EM&I stock?: 1 distinct insiders have filed 33 disclosed insider purchases in EM&I (083470), most recently on 2026-04-07. 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 EM&I have?: EM&I has 33 buy-side and 5 sell-side disclosures on record, covering ₩1.1B ($761K) in total reported value, spanning 2024-03-12 to 2026-04-07.
Where does StockDrifts get EM&I 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 EM&I. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.