Who has been buying Susan I&T stock?

4 distinct insiders have filed 97 disclosed insider purchases in Susan I&T (050960), most recently on 2026-06-11. 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 Susan I&T have?

Susan I&T has 97 buy-side and 3 sell-side disclosures on record, covering ₩3.9B ($2.7M) in total reported value, spanning 2024-04-16 to 2026-06-11.

Where does StockDrifts get Susan I&T 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.

Susan I&T 050960

Company

수산아이앤티Susan I&T

Insiders

Buys

Total Value

₩3.9B ($2.7M)

Avg Return

-7.62%

Last Filing

2026-06-11

Susan I&T (050960) has 97 disclosed insider purchases and 3 disclosed disposals on record, filed by 4 distinct insiders. Together those filings cover ₩3.9B ($2.7M) in reported transaction value. The earliest filing StockDrifts holds for Susan I&T is dated 2024-04-16; the most recent is 2026-06-11. 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 -7.62%, 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
2026-08-18	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	2.1K	-	-	-
2026-08-13	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	742	₩8,580	+2.6%	₩6M ($4K)
2026-08-11	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	830	₩8,510	+3.4%	₩7M ($5K)
2026-08-10	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	2.1K	₩8,390	+4.9%	₩17M ($12K)
2026-08-07	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	1.8K	₩8,390	+4.9%	₩15M ($10K)
2026-08-04	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	1.1K	₩8,150	+1.6%	₩8M ($6K)
2026-08-03	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	5.9K	₩8,200	+1.0%	₩46M ($32K)
2026-07-31	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	4.2K	₩8,270	+0.1%	₩33M ($23K)
2026-07-30	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	5.1K	₩7,690	+7.7%	₩41M ($29K)
2026-07-29	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	500	₩7,570	+9.3%	₩4M ($3K)
2026-07-28	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	1.0K	₩8,170	+1.2%	₩8M ($6K)
2026-07-27	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	1.0K	₩8,060	+2.6%	₩8M ($6K)
2026-07-24	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	9.5K	₩8,240	+0.4%	₩78M ($54K)
2026-07-23	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	1.7K	₩8,240	+0.4%	₩13M ($9K)
2026-07-22	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	9.8K	₩8,240	+0.4%	₩79M ($55K)
2026-06-11	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	300	-	-	-
2026-06-11	SELL	Market Sell	정은아 Jeong Eun-ah	CEO	-300	-	-	-
2026-01-09	SELL	증여	정석현 Seokhyun Jeong	Chairman	-430.7K	₩9,160	-1.9%	₩3.9B ($2.7M)
2026-01-09	BUY	수증	정은아 Jeong Eun-ah	CEO	430.7K	₩9,160	+1.9%	₩3.9B ($2.7M)
2025-11-13	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	1.5K	₩9,730	-4.1%	₩14M ($10K)
2025-11-11	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	2.9K	₩9,320	+0.1%	₩27M ($19K)
2025-11-10	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	500	₩9,470	-1.5%	₩5M ($3K)
2025-11-07	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	2.3K	₩9,190	+1.5%	₩21M ($15K)
2025-11-06	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	1.7K	₩9,610	-2.9%	₩16M ($11K)
2025-11-05	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	3.3K	₩9,660	-3.4%	₩32M ($22K)
2025-11-04	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	2.5K	₩9,290	+0.4%	₩23M ($16K)
2025-11-03	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	8.3K	₩9,380	-0.5%	₩78M ($54K)
2025-10-31	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	6.5K	₩9,480	-1.6%	₩62M ($43K)
2025-10-30	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	4.4K	₩9,700	-3.8%	₩43M ($30K)
2025-10-30	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	11.4K	₩9,700	-3.8%	₩110M ($77K)
2025-10-29	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	400	₩9,770	-4.5%	₩4M ($3K)
2025-10-28	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	2.4K	₩9,840	-5.2%	₩24M ($16K)
2025-10-21	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	5.6K	₩9,950	-6.2%	₩56M ($39K)
2025-10-21	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	1.0K	₩9,950	-6.2%	₩10M ($7K)
2025-10-20	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	1.5K	₩9,930	-6.0%	₩15M ($10K)
2025-10-16	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	2.6K	₩10,140	-8.0%	₩27M ($18K)
2025-10-15	BUY	Market Buy	정은아 Jeong Eun-ah	CEO	3.6K	₩10,310	-9.5%	₩37M ($26K)
2024-12-18	SELL	Market Sell	정보윤 Information	-	-37.0K	₩16,400	+43.1%	₩607M ($421K)
2024-11-11	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	796	₩9,630	-3.1%	₩8M ($5K)
2024-11-08	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	2.4K	₩9,960	-6.3%	₩24M ($16K)
2024-11-05	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	6.5K	₩10,040	-7.1%	₩65M ($45K)
2024-11-04	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	900	₩10,040	-7.1%	₩9M ($6K)
2024-11-01	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	4.3K	₩9,950	-6.2%	₩43M ($30K)
2024-10-31	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	1.5K	₩10,040	-7.1%	₩15M ($10K)
2024-10-30	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	250	₩9,920	-6.0%	₩2M ($2K)
2024-10-24	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	7.9K	₩9,990	-6.6%	₩79M ($55K)
2024-10-23	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	6.4K	₩10,000	-6.7%	₩64M ($44K)
2024-10-22	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	3.4K	₩9,970	-6.4%	₩34M ($24K)
2024-10-21	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	1.3K	₩9,910	-5.8%	₩12M ($9K)
2024-10-18	BUY	Market Buy	수산인더스트리 Fisheries Industry	-	400	₩10,000	-6.7%	₩4M ($3K)

Showing the 50 most recent of 117 filings.

Frequently asked questions

Who has been buying Susan I&T stock?: 4 distinct insiders have filed 97 disclosed insider purchases in Susan I&T (050960), most recently on 2026-06-11. 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 Susan I&T have?: Susan I&T has 97 buy-side and 3 sell-side disclosures on record, covering ₩3.9B ($2.7M) in total reported value, spanning 2024-04-16 to 2026-06-11.
Where does StockDrifts get Susan I&T 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 Susan I&T. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.