Who has been buying Samyoung S&C stock?

2 distinct insiders have filed 36 disclosed insider purchases in Samyoung S&C (361670), most recently on 2026-06-29. 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 S&C have?

Samyoung S&C has 36 buy-side and 0 sell-side disclosures on record, covering ₩76M ($53K) in total reported value, spanning 2025-10-21 to 2026-06-29.

Where does StockDrifts get Samyoung S&C 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 S&C 361670

Company

삼영에스앤씨Samyoung S&C

Insiders

Buys

Total Value

₩76M ($53K)

Avg Return

+1.21%

Last Filing

2026-06-29

Samyoung S&C (361670) has 36 disclosed insider purchases and 0 disclosed disposals on record, filed by 2 distinct insiders. Together those filings cover ₩76M ($53K) in reported transaction value. The earliest filing StockDrifts holds for Samyoung S&C is dated 2025-10-21; the most recent is 2026-06-29. 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 +1.21%, 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
2026-08-12	BUY	Market Buy	백남준 Nam June Paik	Managing Director	1.5K	₩3,645	+0.3%	₩5M ($4K)
2026-08-12	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	1.7K	₩3,640	+0.0%	₩6M ($4K)
2026-08-11	BUY	Market Buy	백남준 Nam June Paik	Managing Director	4.6K	₩3,640	+0.4%	₩17M ($11K)
2026-08-11	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	3.3K	₩3,640	+0.0%	₩12M ($8K)
2026-08-10	BUY	Market Buy	백남준 Nam June Paik	Managing Director	2.2K	₩3,640	+0.4%	₩8M ($5K)
2026-08-10	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	4.7K	₩3,640	+0.0%	₩17M ($12K)
2026-08-07	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	11.1K	₩3,640	+0.0%	₩40M ($28K)
2026-08-06	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	23.8K	₩3,600	+1.1%	₩83M ($57K)
2026-08-06	BUY	Market Buy	박상익 Sangik Park	CEO	330	₩3,600	+1.1%	₩1M ($769)
2026-08-04	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	550	₩3,580	+0.0%	₩2M ($1K)
2026-08-03	BUY	Market Buy	정태욱 Taewook Jeong	moving	2.3K	₩3,400	+5.3%	₩8M ($5K)
2026-08-03	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	1.6K	₩3,400	+5.3%	₩5M ($4K)
2026-07-31	BUY	Market Buy	정태욱 Taewook Jeong	moving	3.5K	₩3,400	+5.3%	₩11M ($8K)
2026-07-31	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	2.4K	₩3,400	+5.3%	₩8M ($5K)
2026-07-30	BUY	Market Buy	정태욱 Taewook Jeong	moving	1.3K	₩3,215	+11.3%	₩4M ($3K)
2026-07-30	BUY	Market Buy	박상익 Sangik Park	CEO	20	₩3,215	+13.2%	₩66K ($45)
2026-07-30	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	1.1K	₩3,215	+11.3%	₩4M ($3K)
2026-07-29	BUY	Market Buy	정태욱 Taewook Jeong	moving	1.4K	₩3,215	+11.3%	₩5M ($3K)
2026-07-29	BUY	Market Buy	박상익 Sangik Park	CEO	130	₩3,215	+13.2%	₩445K ($309)
2026-07-29	BUY	Market Buy	고승남 Seungnam Go	Managing Director	300	₩3,215	+11.3%	₩1M ($706)
2026-07-29	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	401	₩3,215	+11.3%	₩1M ($944)
2026-07-28	BUY	Market Buy	박상익 Sangik Park	CEO	110	₩3,160	+15.2%	₩383K ($266)
2026-07-27	BUY	Market Buy	박상익 Sangik Park	CEO	350	₩3,430	+6.1%	₩1M ($850)
2026-07-21	BUY	Market Buy	박상익 Sangik Park	CEO	50	₩3,500	+4.0%	₩176K ($122)
2026-07-20	BUY	Market Buy	박상익 Sangik Park	CEO	200	₩3,500	+4.0%	₩696K ($483)
2026-07-15	BUY	Market Buy	박상익 Sangik Park	CEO	900	₩3,550	-4.2%	₩3M ($2K)
2026-07-15	BUY	Market Buy	고승남 Seungnam Go	Managing Director	250	₩3,550	+0.8%	₩850K ($590)
2026-07-03	BUY	Market Buy	고승남 Seungnam Go	Managing Director	200	₩2,885	+24.1%	₩542K ($376)
2026-07-01	BUY	Market Buy	고승남 Seungnam Go	Managing Director	500	₩2,680	+33.6%	₩1M ($1K)
2026-06-29	BUY	Market Buy	고승남 Seungnam Go	Managing Director	850	₩2,880	+0.2%	₩2M ($2K)
2026-06-29	BUY	Market Buy	박상익 Sangik Park	CEO	50	₩2,880	+18.1%	₩127K ($88)
2026-06-26	BUY	Market Buy	고승남 Seungnam Go	Managing Director	912	₩3,000	-3.8%	₩3M ($2K)
2026-06-25	BUY	Market Buy	고승남 Seungnam Go	Managing Director	600	₩2,550	+13.1%	₩2M ($1K)
2026-06-24	BUY	Market Buy	고승남 Seungnam Go	Managing Director	300	₩2,450	+22.4%	₩735K ($510)
2026-06-23	BUY	Market Buy	고승남 Seungnam Go	Managing Director	700	₩2,505	+19.8%	₩2M ($1K)
2026-06-19	BUY	Market Buy	고승남 Seungnam Go	Managing Director	575	₩2,650	+13.2%	₩2M ($1K)
2026-06-19	BUY	Market Buy	박상익 Sangik Park	CEO	500	₩2,650	+28.3%	₩1M ($902)
2026-06-18	BUY	Market Buy	고승남 Seungnam Go	Managing Director	500	₩2,375	+26.3%	₩1M ($825)
2026-06-18	BUY	Market Buy	박상익 Sangik Park	CEO	400	₩2,375	+43.2%	₩1M ($708)
2026-06-17	BUY	Market Buy	고승남 Seungnam Go	Managing Director	800	₩2,600	+15.4%	₩2M ($1K)
2026-06-16	BUY	Market Buy	박상익 Sangik Park	CEO	200	₩2,550	+3.9%	₩510K ($354)
2026-06-15	BUY	Market Buy	박상익 Sangik Park	CEO	100	₩2,550	+3.9%	₩255K ($177)
2026-06-12	BUY	Market Buy	박상익 Sangik Park	CEO	1.1K	₩2,505	+5.8%	₩3M ($2K)
2026-06-12	BUY	Market Buy	고승남 Seungnam Go	Managing Director	500	₩2,505	+5.8%	₩1M ($870)
2026-06-09	BUY	Market Buy	고승남 Seungnam Go	Managing Director	500	₩2,505	+5.8%	₩1M ($870)
2026-06-09	BUY	Market Buy	박상익 Sangik Park	CEO	50	₩2,505	+5.8%	₩125K ($87)
2026-06-08	BUY	Market Buy	고승남 Seungnam Go	Managing Director	350	₩2,525	+5.0%	₩884K ($614)
2026-06-08	BUY	Market Buy	박상익 Sangik Park	CEO	500	₩2,525	+5.0%	₩1M ($877)
2026-05-29	BUY	Market Buy	고승남 Seungnam Go	Managing Director	600	₩3,000	-11.7%	₩2M ($1K)
2026-05-29	BUY	Market Buy	박상익 Sangik Park	CEO	400	₩3,000	-11.7%	₩1M ($833)

Showing the 50 most recent of 68 filings.

Frequently asked questions

Who has been buying Samyoung S&C stock?: 2 distinct insiders have filed 36 disclosed insider purchases in Samyoung S&C (361670), most recently on 2026-06-29. 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 S&C have?: Samyoung S&C has 36 buy-side and 0 sell-side disclosures on record, covering ₩76M ($53K) in total reported value, spanning 2025-10-21 to 2026-06-29.
Where does StockDrifts get Samyoung S&C 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 S&C. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.