• Director Sandra AJ Lawrence sold 1,560 Sera Prognostics Class A common shares on June 8, 2026 at a weighted average price of $2.15.
• Her direct holding fell to 16,473 shares 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. Sera Prognostics 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: 0001306386-26-000002), on June 09, 2026, and is solely responsible for the information contained therein.