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.

Do insider buys in Korean stocks predict returns?

Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory 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. 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
2026-09-21	BUY	Market Buy	백남준 Nam June Paik	Managing Director	160	₩3,680	-2.2%	₩571K ($396)
2026-09-18	BUY	Market Buy	백남준 Nam June Paik	Managing Director	180	₩3,585	+0.4%	₩647K ($449)
2026-09-17	BUY	Market Buy	백남준 Nam June Paik	Managing Director	500	₩3,600	+0.0%	₩2M ($1K)
2026-09-16	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	370	₩3,600	+0.0%	₩1M ($912)
2026-09-16	BUY	Market Buy	백남준 Nam June Paik	Managing Director	579	₩3,600	+0.0%	₩2M ($1K)
2026-09-15	BUY	Market Buy	백남준 Nam June Paik	Managing Director	340	₩3,590	+0.3%	₩1M ($845)
2026-09-14	BUY	Market Buy	백남준 Nam June Paik	Managing Director	422	₩3,550	+1.4%	₩2M ($1K)
2026-09-14	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	70	₩3,550	+1.1%	₩249K ($173)
2026-09-11	BUY	Market Buy	백남준 Nam June Paik	Managing Director	385	₩3,585	+0.4%	₩1M ($945)
2026-09-11	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	670	₩3,585	+0.1%	₩2M ($2K)
2026-09-10	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	412	₩3,560	+0.8%	₩1M ($1K)
2026-09-10	BUY	Market Buy	고승남 Seungnam Go	Managing Director	1.2K	₩3,560	+0.8%	₩4M ($3K)
2026-09-09	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	672	₩3,535	+1.6%	₩2M ($2K)
2026-09-09	BUY	Market Buy	고승남 Seungnam Go	Managing Director	560	₩3,535	+1.6%	₩2M ($1K)
2026-09-09	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	650	₩3,535	+1.6%	₩2M ($2K)
2026-09-08	BUY	Market Buy	고승남 Seungnam Go	Managing Director	460	₩3,530	+1.7%	₩2M ($1K)
2026-09-08	BUY	Market Buy	백남준 Nam June Paik	Managing Director	6	₩3,530	+2.0%	₩21K ($15)
2026-09-08	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	840	₩3,530	+1.7%	₩3M ($2K)
2026-09-08	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	1.8K	₩3,530	+1.7%	₩6M ($4K)
2026-09-07	BUY	Market Buy	백남준 Nam June Paik	Managing Director	45	₩3,530	+2.0%	₩162K ($112)
2026-09-07	BUY	Market Buy	서정환 Seo Jeong-hwan	moving	350	₩3,530	+1.7%	₩1M ($870)
2026-09-07	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	1.8K	₩3,530	+1.7%	₩6M ($4K)
2026-09-07	BUY	Market Buy	고승남 Seungnam Go	Managing Director	1.2K	₩3,530	+1.7%	₩4M ($3K)
2026-09-04	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	80	₩3,575	+0.4%	₩289K ($201)
2026-09-04	BUY	Market Buy	백남준 Nam June Paik	Managing Director	35	₩3,575	+0.7%	₩127K ($88)
2026-09-04	BUY	Market Buy	고승남 Seungnam Go	Managing Director	300	₩3,575	+0.4%	₩1M ($750)
2026-09-03	BUY	Market Buy	고승남 Seungnam Go	Managing Director	500	₩3,640	-1.4%	₩2M ($1K)
2026-09-03	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	1.2K	₩3,640	-1.4%	₩4M ($3K)
2026-09-03	BUY	Market Buy	백남준 Nam June Paik	Managing Director	41	₩3,640	-1.1%	₩148K ($103)
2026-09-02	BUY	Market Buy	백남준 Nam June Paik	Managing Director	47	₩3,635	-1.6%	₩168K ($116)
2026-09-01	BUY	Market Buy	백남준 Nam June Paik	Managing Director	702	₩3,650	-2.0%	₩3M ($2K)
2026-09-01	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	250	₩3,650	-1.6%	₩907K ($630)
2026-08-31	BUY	Market Buy	백남준 Nam June Paik	Managing Director	1.4K	₩3,610	-1.0%	₩5M ($4K)
2026-08-31	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	420	₩3,610	-0.6%	₩2M ($1K)
2026-08-28	BUY	Market Buy	백남준 Nam June Paik	Managing Director	662	₩3,630	-1.5%	₩2M ($2K)
2026-08-28	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	267	₩3,630	-1.1%	₩966K ($671)
2026-08-27	BUY	Market Buy	백남준 Nam June Paik	Managing Director	2.6K	₩3,645	-1.9%	₩9M ($6K)
2026-08-27	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	244	₩3,645	-0.4%	₩886K ($616)
2026-08-26	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	468	₩3,630	+0.0%	₩2M ($1K)
2026-08-25	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	297	₩3,650	-0.6%	₩1M ($746)
2026-08-24	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	300	₩3,650	-0.6%	₩1M ($756)
2026-08-21	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	300	₩3,620	+0.3%	₩1M ($754)
2026-08-20	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	2.8K	₩3,630	+0.0%	₩10M ($7K)
2026-08-19	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	150	₩3,630	+0.0%	₩548K ($381)
2026-08-18	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	355	₩3,630	+0.0%	₩1M ($893)
2026-08-14	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	30	₩3,655	-0.7%	₩109K ($76)
2026-08-13	BUY	Market Buy	변동준 Byun Dong-Jun	Other non-executive directors	100	₩3,650	-0.6%	₩365K ($253)
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	변동준 Byun Dong-Jun	Other non-executive directors	3.3K	₩3,640	+0.0%	₩12M ($8K)

Showing the 50 most recent of 115 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.
Do insider buys in Korean stocks predict returns?: Not uniformly. StockDrifts analysed 170,720 share-count changes across 56,930 Korean regulatory filings using cross-sectional alpha at fixed forward horizons, and found returns concentrated in particular signal tiers rather than in insider buying generally.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Korea insider signal tier research, or browse every Korean stock we track.