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CIK 0001676725 · Large accelerated filer

IDEAYA Biosciences, Inc.

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Ticker
IDYA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
474268251
Phone
650-443-6209
Business address
5000 SHORELINE CT, SUITE 300, SOUTH SAN FRANCISCO, CA, 94080
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$985,397
in 1 filing, $985K under 10b5-1 plans

Net −$985,397. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Hata Yujiro S −$985K President and CEO sold 4% of stake

Reading 67 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2026-10-06 Hata Yujiro S President and CEO Option exercise 10b5-1 +26,338 $4.31 $114K 717,033
2026-10-06 Hata Yujiro S President and CEO Sale 10b5-1 −25,538 $37.39 $955K 691,495
2026-10-06 Hata Yujiro S President and CEO Sale 10b5-1 −800 $38.26 $31K 690,695
2026-10-06 Hata Yujiro S President and CEO Option exercise · Stock Option (right to buy) 10b5-1 −26,338 23,116
2026-07-07 Ruiz Briseno Andres Chief Accounting Officer Option exercise 10b5-1 +9,550 $12.86 $123K 36,016
2026-07-07 Ruiz Briseno Andres Chief Accounting Officer Sale 10b5-1 −9,550 $40.01 $382K 26,466
2026-07-07 Ruiz Briseno Andres Chief Accounting Officer Option exercise · Stock Option (Right to Buy) 10b5-1 −9,550 19,200
2026-06-16 YARNO WENDY L Director Grant or award · Stock Option (right to buy) +20,000 20,000
2026-06-16 Stein Jeffrey Director Grant or award · Stock Option (right to buy) +20,000 20,000
2026-06-16 ROSEN TERRY J Director Grant or award · Stock Option (right to buy) +20,000 20,000
2026-06-16 Morrison Scott W Director Grant or award · Stock Option (right to buy) +20,000 20,000
2026-06-16 MACKEY CATHERINE J Director Grant or award · Stock Option (right to buy) +20,000 20,000
2026-06-16 Hampton Malcolm Garret Director Grant or award · Stock Option (right to buy) +20,000 20,000
2026-03-02 Stein Jeffrey Director Purchase +50,000 $32.96 $1.6M 54,281
2026-01-30 Bleharski Joshua Chief Financial Officer Grant or award · Stock Option (right to buy) +170,000 170,000
2026-01-30 WHITE MICHAEL ANTHONY Chief Scientific Officer Grant or award · Stock Option (right to buy) +190,000 190,000
2026-01-30 Beaupre Darrin Chief Medical Officer Grant or award · Stock Option (right to buy) +175,000 175,000
2026-01-30 DORMAN STUART Chief Commercial Officer Grant or award · Stock Option (right to buy) +155,000 155,000
2026-01-30 Hata Yujiro S President and CEO Grant or award · Stock Option (right to buy) +600,000 600,000
2026-01-30 Snyder Douglas B. SVP, General Counsel Grant or award · Stock Option (right to buy) +130,000 130,000

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