Who has been buying Samyoung stock?

2 distinct insiders have filed 21 disclosed insider purchases in Samyoung (003720), most recently on 2025-09-17. 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 Samyoung have?

Samyoung has 21 buy-side and 0 sell-side disclosures on record, covering ₩834M ($579K) in total reported value, spanning 2024-07-04 to 2025-09-17.

Where does StockDrifts get Samyoung 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.

Samyoung 003720

Company

삼영Samyoung

Insiders

Buys

Total Value

₩834M ($579K)

Avg Return

+84.69%

Last Filing

2025-09-17

Samyoung (003720) has 21 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩834M ($579K) in reported transaction value. The earliest filing StockDrifts holds for Samyoung is dated 2024-07-04; the most recent is 2025-09-17. 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 +84.69%, 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
2025-09-17	BUY	Market Buy	이석준 Seokjun Lee	Chairman	12.6K	₩5,150	+59.0%	₩65M ($45K)
2025-09-12	BUY	Market Buy	이석준 Seokjun Lee	Chairman	2.0K	₩5,300	+54.5%	₩11M ($7K)
2025-09-05	BUY	Market Buy	이석준 Seokjun Lee	Chairman	4.8K	₩5,150	+59.0%	₩25M ($17K)
2025-08-26	BUY	Market Buy	이석준 Seokjun Lee	Chairman	4.0K	₩4,800	+70.6%	₩19M ($13K)
2025-08-25	BUY	Market Buy	이석준 Seokjun Lee	Chairman	11.0K	₩4,840	+69.2%	₩53M ($37K)
2025-08-22	BUY	Market Buy	이석준 Seokjun Lee	Chairman	6.0K	₩4,615	+77.5%	₩28M ($19K)
2025-08-20	BUY	Market Buy	이석준 Seokjun Lee	Chairman	2.0K	₩4,550	+80.0%	₩9M ($6K)
2025-08-19	BUY	Market Buy	이석준 Seokjun Lee	Chairman	11.4K	₩4,630	+76.9%	₩53M ($37K)
2025-08-18	BUY	Market Buy	이석준 Seokjun Lee	Chairman	8.0K	₩4,840	+69.2%	₩39M ($27K)
2025-08-05	BUY	Market Buy	이석준 Seokjun Lee	Chairman	19.0K	₩4,375	+87.2%	₩83M ($58K)
2025-08-04	BUY	Market Buy	이석준 Seokjun Lee	Chairman	12.0K	₩4,365	+87.6%	₩52M ($36K)
2025-08-01	BUY	Market Buy	이석준 Seokjun Lee	Chairman	5.0K	₩4,070	+101.2%	₩20M ($14K)
2025-07-31	BUY	Market Buy	이석준 Seokjun Lee	Chairman	330	₩4,150	+97.3%	₩1M ($951)
2025-02-03	BUY	Market Buy	조영한 Cho Young-han	CEO and President	4.0K	₩4,310	+90.0%	₩17M ($12K)
2025-01-31	BUY	Market Buy	조영한 Cho Young-han	CEO and President	4.3K	₩4,345	+88.5%	₩19M ($13K)
2025-01-24	BUY	Market Buy	조영한 Cho Young-han	CEO and President	3.7K	₩4,315	+89.8%	₩16M ($11K)
2025-01-22	BUY	Market Buy	조영한 Cho Young-han	CEO and President	7.0K	₩4,345	+88.5%	₩30M ($21K)
2025-01-21	BUY	Market Buy	조영한 Cho Young-han	CEO and President	11.0K	₩4,390	+86.6%	₩48M ($34K)
2024-08-08	BUY	Market Buy	이석준 Seokjun Lee	Chairman	30.0K	₩3,490	+134.7%	₩105M ($73K)
2024-07-05	BUY	Market Buy	이석준 Seokjun Lee	Chairman	25.6K	₩4,055	+102.0%	₩104M ($72K)
2024-07-04	BUY	Market Buy	이석준 Seokjun Lee	Chairman	9.4K	₩3,915	+109.2%	₩37M ($25K)

Frequently asked questions

Who has been buying Samyoung stock?: 2 distinct insiders have filed 21 disclosed insider purchases in Samyoung (003720), most recently on 2025-09-17. 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 Samyoung have?: Samyoung has 21 buy-side and 0 sell-side disclosures on record, covering ₩834M ($579K) in total reported value, spanning 2024-07-04 to 2025-09-17.
Where does StockDrifts get Samyoung 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 Samyoung. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.