Who has been buying Aton stock?

0 distinct insiders have filed 0 disclosed insider purchases in Aton (158430), most recently on 2026-05-01. 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 Aton have?

Aton has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-03-29 to 2026-05-01.

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.

Aton 158430

Company

아톤Aton

Insiders

Buys

Total Value

—

Avg Return

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Last Filing

2026-05-01

Aton (158430) has 0 disclosed insider purchases and 0 disclosed disposals on record, filed by 0 distinct insiders. The earliest filing StockDrifts holds for Aton is dated 2024-03-29; the most recent is 2026-05-01.

Price & insider activity (12 months)

Recent insider trades

Date	Type	Source	Insider	Position	Shares	Price at filing	Return	Value
2026-07-24	BUY	Market Buy	김종서 Kim Jong-seo	CEO	76.5K	₩3,850	+0.8%	₩299M ($208K)
2026-07-24	BUY	Market Buy	우길수 Gilsu Woo	CEO	2.7K	₩3,850	+0.8%	₩10M ($7K)
2026-07-23	BUY	Market Buy	김종서 Kim Jong-seo	CEO	80.0K	₩3,850	+0.8%	₩300M ($208K)
2026-07-23	BUY	Market Buy	우길수 Gilsu Woo	CEO	6.0K	₩3,850	+0.8%	₩23M ($16K)
2026-07-23	BUY	Market Buy	함성진 Seongjin Ham	Management and strategy management general manager	4.0K	₩3,850	+0.8%	₩15M ($10K)
2026-07-22	BUY	Market Buy	우길수 Gilsu Woo	CEO	12.3K	₩3,850	+0.8%	₩45M ($32K)
2026-07-22	BUY	Market Buy	김종서 Kim Jong-seo	CEO	80.0K	₩3,850	+0.8%	₩299M ($208K)
2026-07-22	BUY	Market Buy	함성진 Seongjin Ham	Management and strategy management general manager	9.0K	₩3,850	+0.8%	₩34M ($24K)
2026-07-21	BUY	Market Buy	김종서 Kim Jong-seo	CEO	3.5K	₩3,850	+0.8%	₩13M ($9K)
2026-05-01	BUY	신규선임	양성진 Seongjin Yang	Research Center Director (Managing Director)	17.0K	₩8,180	-13.7%	₩139M ($97K)
2025-07-28	BUY	주식매수선택권	홍재용 Jaeyong Hong	Managing Director	2.5K	₩8,770	-12.2%	₩22M ($15K)
2024-03-29	SELL	임원퇴임	윤일현 Yoon Ilhyeon	Outside Director	-50.0K	₩4,255	-81.0%	₩213M ($148K)

Frequently asked questions

Who has been buying Aton stock?: 0 distinct insiders have filed 0 disclosed insider purchases in Aton (158430), most recently on 2026-05-01. 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 Aton have?: Aton has 0 buy-side and 0 sell-side disclosures on record, spanning 2024-03-29 to 2026-05-01.
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.