• Cabaletta Bio held its annual shareholder meeting on June 9, 2026.
• Shareholders authorized an increase in approved common shares to 600,000,000 from 300,000,000; the charter amendment was filed and took effect.
• Ernst & Young was ratified as independent auditor for the fiscal year ending Dec. 31, 2026.
• A plan amendment item was withdrawn from the agenda; it was not put to a vote.
• A meeting-adjournment authorization was adopted if needed to secure votes for the share increase; it was not required.

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. Cabaletta Bio 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: 0001759138-26-000033), on June 11, 2026, and is solely responsible for the information contained therein.