Zerostack President Rudy Rong sells 1,000 common shares for $7,570

• ZeroStack President Rudy Rong sold 1,000 common shares on Aug. 19, 2026 at USD 7.57.
• Directly held common shares fell to 0 following the transaction.

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. Zerostack Corp. 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: 0000912282-26-001151), on August 21, 2026, and is solely responsible for the information contained therein.