• CytoSorbents CFO Peter J. Mariani bought 100,000 common shares in the open market at a weighted average price of $0.44.
• His beneficial ownership rose to 638,113 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. CytoSorbents Corporation 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: 0001104659-26-074291), on June 16, 2026, and is solely responsible for the information contained therein.