Avidia Bancorp Director Murphy Acquires Shares and Reports Holdings

This Form 4 filing reports that Michael Dennis Murphy, Chairman of the Board and Director of Avidia Bancorp, Inc. (ticker: AVBC), acquired 1,850 shares of common stock on April 28, 2026, at a price of $20.94 per share. The shares were acquired indirectly through his spouse. Following this transaction, Murphy's total holdings include 49,000 shares held directly, 20,000 shares held indirectly through an LLC, 7,230 shares held indirectly through his spouse's IRA, plus the newly acquired 1,850 shares held indirectly through his spouse. The filing provides a comprehensive view of Murphy's ownership structure across multiple accounts and entities, demonstrating his continued investment in the company. The transaction was reported on April 29, 2026, with Victor L. Cangelosi signing on behalf of Murphy pursuant to a power of attorney.