GRAHAM PETER 4

What Happened

• Director Graham Peter reported a purchase (Code P) of 25,140 shares of Onterris, Inc. common stock on June 5, 2026. The filing shows a weighted average price of $17.19, for a total reported cost of $432,157. This was reported on Form 4 filed June 8, 2026. Purchases by insiders are typically considered more informative than sales, but do not by themselves indicate motive.

Key Details

• Transaction date: June 5, 2026; Form 4 filed: June 8, 2026 (timely).
• Shares acquired: 25,140; weighted average price: $17.19; total value: $432,157.
• Price range: purchases occurred at prices between $17.00 and $17.46 (footnote F1); the $17.19 is a weighted average.
• Transaction type: Open market/private purchase (Code P) as reported.
• Shares owned after the transaction: not disclosed in the provided filing.
• Footnote F1: Reporting person can provide a breakdown of how many shares were bought at each price within the stated range upon request.

Context

• This was a straightforward purchase (not an option exercise, award, or gift). No tax-withholding, 10b5-1 plan, or other special arrangements were disclosed in the filing.