Who has been buying Seongho Electronics stock?

1 distinct insiders have filed 8 disclosed insider purchases in Seongho Electronics (043260), most recently on 2026-07-08. 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 Seongho Electronics have?

Seongho Electronics has 8 buy-side and 0 sell-side disclosures on record, covering ₩3.1B ($2.2M) in total reported value, spanning 2024-07-17 to 2026-07-08.

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.

Seongho Electronics 043260

Company

성호전자Seongho Electronics

Insiders

Buys

Total Value

₩3.1B ($2.2M)

Avg Return

-1.74%

Last Filing

2026-07-08

Seongho Electronics (043260) has 8 disclosed insider purchases and 0 disclosed disposals on record, filed by 1 distinct insiders. Together those filings cover ₩3.1B ($2.2M) in reported transaction value. The earliest filing StockDrifts holds for Seongho Electronics is dated 2024-07-17; the most recent is 2026-07-08. Across these filings the average return since disclosure is -1.74%, 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
2026-09-01	BUY	장외매수	서룡전자 Seoryong Electronics	-	117.8K	₩16,490	+0.0%	₩2.0B ($1.4M)
2026-07-16	BUY	Market Buy	서룡전자 Seoryong Electronics	-	5.7K	₩17,830	-2.1%	₩102M ($71K)
2026-07-08	BUY	Market Buy	서룡전자 Seoryong Electronics	-	10.0K	₩18,690	-4.6%	₩208M ($144K)
2026-07-06	BUY	Market Buy	서룡전자 Seoryong Electronics	-	11.0K	₩21,250	-6.1%	₩234M ($162K)
2026-06-30	BUY	Market Buy	서룡전자 Seoryong Electronics	-	11.0K	₩29,650	-32.7%	₩326M ($226K)
2026-06-02	BUY	Market Buy	서룡전자 Seoryong Electronics	-	8.8K	-	-	-
2026-05-21	BUY	Market Buy	서룡전자 Seoryong Electronics	-	13.9K	-	-	-
2026-04-29	BUY	Market Buy	서룡전자 Seoryong Electronics	-	11.0K	₩43,800	-6.6%	₩482M ($335K)
2026-04-21	BUY	장외매수	서룡전자 Seoryong Electronics	-	19.6K	₩50,900	+0.0%	₩996M ($692K)
2026-04-09	BUY	Market Buy	서룡전자 Seoryong Electronics	-	13.3K	₩41,100	+23.8%	₩545M ($379K)
2026-04-02	BUY	Market Buy	서룡전자 Seoryong Electronics	-	30.1K	₩44,000	+15.7%	₩1.3B ($920K)
2025-04-26	BUY	제3자배정유상증자	서룡전자 Seoryong Electronics	-	9.9M	-	-	-
2024-08-20	BUY	제3자배정유상증자	서룡전자 Seoryong Electronics	-	713.3K	₩1,828	+1245.7%	₩1.3B ($905K)
2024-08-13	BUY	시간외매매	서룡전자 Seoryong Electronics	-	84.2K	-	-	-
2024-08-13	BUY	시간외매매	서룡전자 Seoryong Electronics	-	116.3K	-	-	-
2024-08-13	BUY	시간외매매	서룡전자 Seoryong Electronics	-	362.5K	-	-	-
2024-08-13	BUY	전환사채의권리행사	박성재 Seongjae Park	CEO	475.7K	-	-	-
2024-08-13	SELL	전환등	박성재 Seongjae Park	CEO	-475.7K	-	-	-
2024-08-13	SELL	시간외매매	박현남 Hyunnam Park	Chairman	-362.5K	-	-	-
2024-08-13	BUY	전환사채의권리행사	박현남 Hyunnam Park	Chairman	272.0K	-	-	-
2024-08-13	SELL	전환등	박현남 Hyunnam Park	Chairman	-272.0K	-	-	-
2024-08-08	BUY	기타	박현남 Hyunnam Park	Chairman	272.0K	-	-	-
2024-08-08	BUY	기타	박성재 Seongjae Park	CEO	475.7K	-	-	-
2024-08-08	BUY	CB인수	서룡전자 Seoryong Electronics	-	1.4M	₩1,430	+1620.3%	₩2.0B ($1.4M)
2024-08-07	BUY	시간외매매	서룡전자 Seoryong Electronics	-	1.7M	₩1,460	+1584.9%	₩2.4B ($1.7M)
2024-07-17	BUY	시간외매매	서룡전자 Seoryong Electronics	-	3.3M	₩1,659	+1382.8%	₩5.4B ($3.7M)

Frequently asked questions

Who has been buying Seongho Electronics stock?: 1 distinct insiders have filed 8 disclosed insider purchases in Seongho Electronics (043260), most recently on 2026-07-08. 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 Seongho Electronics have?: Seongho Electronics has 8 buy-side and 0 sell-side disclosures on record, covering ₩3.1B ($2.2M) in total reported value, spanning 2024-07-17 to 2026-07-08.
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.