GRAHAM PETER 4

What Happened
Graham Peter, a director of Onterris, purchased 4,860 shares of Onterris common stock in open-market/private purchases on June 3, 2026. The reported weighted-average price was $15.94 per share, for an aggregate purchase value of approximately $77,468. This was a purchase (a net acquisition), which investors often view as a positive signal compared with routine sales.

Key Details

• Transaction date: 2026-06-03; Form 4 filed: 2026-06-05 (filed two days after the trade, which is within the typical two-business-day reporting window).
• Reported price: weighted average $15.94; actual prices ranged from $15.84 to $16.00 across multiple trades (see footnote).
• Shares acquired: 4,860; aggregate value ≈ $77,468.
• Shares owned after transaction: not disclosed in the information provided.
• Footnote: The reported price is a weighted average; the reporting person can provide a breakdown of how many shares were bought at each price in the $15.84–$16.00 range upon request.

Context
Purchases by company insiders are often watched by retail investors as a potential sign of confidence in the company, though they do not guarantee future performance. This filing documents an open-market acquisition rather than an option exercise, gift, or award.