IDEAYA Biosciences, Inc (IDYA) insider trading
Every open-market stock purchase and sale by IDEAYA Biosciences, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Yujiro S Hata (CEO) sold $985K in the last 90 days.
- Last insider buy: Jeffrey Stein (Insider), $1.6M, 8 months ago.
Last 12 months: insiders bought $1.6M (1 buy) and sold $1.4M (2 sales). Last close $35.47 on Oct 21, 2026.
Recent IDYA insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Oct 6, 2026 | Yujiro S Hata (CEO) | Sold | $955K |
| Oct 6, 2026 | Yujiro S Hata (CEO) | Bought (not open market) | $114K |
| Oct 6, 2026 | Yujiro S Hata (CEO) | Sold | $30.6K |
| Oct 6, 2026 | Yujiro S Hata (CEO) | Bought (not open market) | — |
| Jul 7, 2026 | Briseno Andres Ruiz (C-suite exec) | Sold | $382K |
| Jul 7, 2026 | Briseno Andres Ruiz (C-suite exec) | Bought (not open market) | $123K |
| Jul 7, 2026 | Briseno Andres Ruiz (C-suite exec) | Bought (not open market) | — |
| Jun 16, 2026 | Malcolm Garret Hampton (Insider) | Bought (not open market) | — |
| Jun 16, 2026 | Catherine J Mackey (Insider) | Bought (not open market) | — |
| Jun 16, 2026 | Scott W Morrison (Insider) | Bought (not open market) | — |
| Jun 16, 2026 | Terry J Rosen (Insider) | Bought (not open market) | — |
| Jun 16, 2026 | Jeffrey Stein (Insider) | Bought (not open market) | — |
| Jun 16, 2026 | Wendy L Yarno (Insider) | Bought (not open market) | — |
| Mar 2, 2026 | Jeffrey Stein (Insider) | Bought | $1.6M |
| Jan 30, 2026 | Joshua Bleharski (CFO) | Bought (not open market) | — |
| Jan 30, 2026 | Michael Anthony White (C-suite exec) | Bought (not open market) | — |
| Jan 30, 2026 | Briseno Andres Ruiz (Insider) | Bought (not open market) | — |
| Jan 30, 2026 | Stuart Dorman (C-suite exec) | Bought (not open market) | — |
| Jan 30, 2026 | Darrin Beaupre (C-suite exec) | Bought (not open market) | — |
| Jan 30, 2026 | Yujiro S Hata (CEO) | Bought (not open market) | — |
| Jan 30, 2026 | Douglas B. Snyder (VP) | Bought (not open market) | — |
| Nov 28, 2025 | Briseno Andres Ruiz (Insider) | Bought (not open market) | $21.2K |
| Nov 28, 2025 | Douglas B. Snyder (VP) | Bought (not open market) | $17.6K |
Who's trading IDYA
- Yujiro S Hata, CEO: sold $985K (2 sales), last Oct 6, 2026
- Briseno Andres Ruiz, Insider: sold $382K (1 sale), last Jul 7, 2026
- Wendy L Yarno, Insider: other filings, last Jun 16, 2026
- Malcolm Garret Hampton, Insider: other filings, last Jun 16, 2026
- Catherine J Mackey, Insider: other filings, last Jun 16, 2026
- Scott W Morrison, Insider: other filings, last Jun 16, 2026
- Terry J Rosen, Insider: other filings, last Jun 16, 2026
- Jeffrey Stein, Insider: bought $1.6M (1 buy), last Jun 16, 2026
- Stuart Dorman, C-suite exec: other filings, last Jan 30, 2026
- Joshua Bleharski, CFO: other filings, last Jan 30, 2026
- Douglas B. Snyder, VP: other filings, last Jan 30, 2026
- Michael Anthony White, C-suite exec: other filings, last Jan 30, 2026
- Darrin Beaupre, C-suite exec: other filings, last Jan 30, 2026
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