Yujiro S. Hata

Yujiro S. Hata is a declared insider of IDEAYA Biosciences, Inc., with filings sourced from SEC (Form 4). We count 31 filings; the first trade dates from 30 July 2019 and the latest from 6 October 2026.

Every open-market trade on record is a sale: 16 sales worth €17.0M. Outside the open market, there are 15 option exercises. So far in 2026, the count stands at no purchases and 2 sales.

Most recently, on 8 October 2026, the filings show an open-market sale worth €27k in IDEAYA Biosciences, Inc. Filings reach the SEC (Form 4) feed a median of 2 days after the trade. The legal deadline for a Form 4 is two business days after the transaction. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. These figures are compiled from regulatory filings published by SEC (Form 4). They describe what insiders did and are not a recommendation.