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Ideaya Biosciences, Inc. planned insider sales

In the last twelve months insiders at Ideaya Biosciences, Inc. filed 2 Form 144 notices of planned sales, 239,866 shares worth $9.2 million at the time of filing, from 2 sellers. The latest, filed 6 October 2026: Yujiro Hata (CEO), 230,316 shares worth $8.8 million, planned for around 6 October 2026 through J.P. Morgan Securities LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
6 October 2026Yujiro HataCeo230,316$8.8 million6 October 202626,338 shares from 6 October 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
7 July 2026Andres Ruiz BrisenoSenior VP9,550$382,1317 July 20269,550 shares from 7 July 2026J.P. Morgan Securities LLCStock Option ExerciseForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?