Hata Yujiro S sold IDYA

October 6, 2026 · Form 4 insider transaction

Hata Yujiro S sold 800 shares of IDEAYA Biosciences, Inc. at $38.26 per share, a transaction worth $30.6K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 2 days after the transaction.

Direction
Disposed (sell-side)
Shares
800
Price
$38.26
Total value
$30.6K
RoleOfficer, Director
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateOctober 6, 2026
Filing dateOctober 8, 2026
Shares owned after690,695
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

The transactions reported herein were effected pursuant to the Reporting Person's Rule 10b5-1 trading plan, adopted on July 7, 2026, in which the majority of the shares acquired upon the exercise of stock options were granted to the Reporting Person prior to the Issuer's initial public offering and are approaching their expiration date.; This transaction was executed in multiple trades in prices ranging from $38.23 to $38.34, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

View the original Form 4 on SEC EDGAR