IDEAYA Biosciences, Inc. insider trading

IDYANASDAQ

$37.36-0.45 (-1.19%)as of Oct 2, 2026

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+37.4%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Open market purchase

Open market sell

Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

YSYujiro S. HataPresident and CEO0.7158%of company
JSJeffrey SteinDirector0.0632%of company
BABriseno Andres RuizChief Accounting Officer0.0274%of company
DBDouglas B. SnyderSVP, General Counsel0.0022%of company

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Insider activity

Fromto

Company	Insider / role	Action	ΔOwn	Avg price	Amount
IDYA	Jeffrey SteinDirector	Open market purchase$1.65M	+654.1%	$32.96	$1.65M	Mar 2, 2026	Mar 2, 2026

End of history · 1 transactions