Stein Jeffrey 4

What Happened

• Jeffrey Stein, a director of IDEAYA Biosciences, purchased 50,000 shares in an open-market transaction on March 2, 2026. The weighted average purchase price reported was $32.96 per share, for a total transaction value of $1,647,890. This was a purchase (code P), which investors often view as a positive signal but does not by itself explain the insider’s motivations.

Key Details

• Transaction date: 2026-03-02 (reported the same day).
• Price: weighted average $32.96 per share; the actual trades ranged from $32.743 to $33.1999.
• Total value: $1,647,890.
• Shares owned after transaction: Not disclosed in the information you provided / not included in this summary.
• Footnote: the filing states the purchase was executed in multiple trades across the price range above and the reporting person will provide full per-trade information to the SEC, the issuer, or a security holder upon request.
• Timeliness: Filing date matches the report date (appears timely).

Context

• This was a straightforward open-market purchase (not an option exercise, gift, or award). Purchases by insiders can be of interest to retail investors as one data point about insider confidence, but they should be considered alongside broader fundamental and market information.