IDYA IDEAYA Biosciences, Inc

NASDAQ
$36.11

IDEAYA Biosciences, Inc (IDYA) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal Quiet No open-market insider activity in this window.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 1 seller in the last 90 days
Insiders buying
0
0 transactions
Insiders selling
0
0 transactions
Purchases
$0
0 shares
Sales
$0
0 shares
Net activity
$0
purchases less sales

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: March 2, 2026 , by Stein Jeffrey .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Hata Yujiro S 2 fills President and CEO Sell 10b5-1 26,338 $37.41 $985.4K 691,495 −3.7% of holding

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.