• Onterris director Peter Graham reported buying 25,140 shares of common stock at a weighted-average price of $17.19.
• His direct holding rose to 256,689 shares following the purchase.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Onterris Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001193125-26-262116), on June 08, 2026, and is solely responsible for the information contained therein.