• Avidia Bancorp Chairman Michael Dennis Murphy disclosed a 5,000-share common stock purchase at $22.12, held indirectly by his spouse.
• Post-transaction holdings: 49,000 shares directly owned; 33,080 shares held indirectly through spouse, an LLC, and spouse’s IRA.

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. Avidia Bancorp 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: 0001437749-26-030507), on September 16, 2026, and is solely responsible for the information contained therein.