Who has been buying Top Engineering stock?

3 distinct insiders have filed 9 disclosed insider purchases in Top Engineering (065130), most recently on 2026-06-18. 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 Top Engineering have?

Top Engineering has 9 buy-side and 2 sell-side disclosures on record, covering ₩256M ($177K) in total reported value, spanning 2022-09-08 to 2026-06-18.

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.

Top Engineering 065130

Company

탑엔지니어링Top Engineering

Insiders

Buys

Total Value

₩256M ($177K)

Avg Return

+6.35%

Last Filing

2026-06-18

Top Engineering (065130) has 9 disclosed insider purchases and 2 disclosed disposals on record, filed by 3 distinct insiders. Together those filings cover ₩256M ($177K) in reported transaction value. The earliest filing StockDrifts holds for Top Engineering is dated 2022-09-08; the most recent is 2026-06-18. Across these filings the average return since disclosure is +6.35%, 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
2026-08-24	BUY	Market Buy	안만호 Ahn Man-ho	CEO	4.9K	₩2,870	-2.3%	₩15M ($10K)
2026-08-21	BUY	Market Buy	안만호 Ahn Man-ho	CEO	8.1K	₩2,875	-2.4%	₩25M ($17K)
2026-08-20	BUY	Market Buy	안만호 Ahn Man-ho	CEO	9.7K	₩3,045	-7.9%	₩29M ($20K)
2026-08-19	BUY	Market Buy	안만호 Ahn Man-ho	CEO	12.4K	₩3,035	-7.6%	₩36M ($25K)
2026-08-05	BUY	Market Buy	김원남 Kim Won-nam	Internal director	6.0K	₩2,770	+1.4%	₩17M ($12K)
2026-08-04	BUY	Market Buy	김원남 Kim Won-nam	Internal director	29.0K	₩2,770	+1.4%	₩80M ($56K)
2026-08-03	BUY	Market Buy	김원남 Kim Won-nam	Internal director	11.0K	₩2,635	+6.6%	₩30M ($21K)
2026-06-18	BUY	Market Buy	서용규 Seo Yong-gyu	Managing Director	500	-	-	-
2026-06-16	BUY	Market Buy	서용규 Seo Yong-gyu	Managing Director	100	-	-	-
2026-06-15	BUY	Market Buy	서용규 Seo Yong-gyu	Managing Director	400	-	-	-
2026-06-11	BUY	Market Buy	서용규 Seo Yong-gyu	Managing Director	500	-	-	-
2026-01-13	BUY	Market Buy	김원남 Kim Won-nam	Internal director	30.0K	₩3,185	+9.7%	₩96M ($66K)
2025-06-30	BUY	Market Buy	김원남 Kim Won-nam	Internal director	10.0K	₩3,830	-8.8%	₩38M ($27K)
2025-06-27	BUY	Market Buy	김원남 Kim Won-nam	Internal director	12.0K	₩3,845	-9.1%	₩46M ($32K)
2025-06-26	BUY	Market Buy	김원남 Kim Won-nam	Internal director	15.0K	₩3,880	-9.9%	₩58M ($40K)
2025-05-16	BUY	Market Buy	서용규 Seo Yong-gyu	Managing Director	1.0K	₩3,975	-12.1%	₩4M ($3K)
2023-02-16	SELL	Market Sell	주태규 Joo Tae-gyu	Managing Director	-2.0K	₩5,160	+32.3%	₩10M ($7K)
2022-09-08	SELL	Market Sell	서용규 Seo Yong-gyu	Managing Director	-500	₩6,060	+42.3%	₩3M ($2K)

Frequently asked questions

Who has been buying Top Engineering stock?: 3 distinct insiders have filed 9 disclosed insider purchases in Top Engineering (065130), most recently on 2026-06-18. 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 Top Engineering have?: Top Engineering has 9 buy-side and 2 sell-side disclosures on record, covering ₩256M ($177K) in total reported value, spanning 2022-09-08 to 2026-06-18.
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.