EVP Human Resources Thomas Doane Acquires 2,040 Avidia Bancorp Shares via 401(k)

This Form 4 filing reports that Thomas Doane, Executive Vice President of Human Resources at Avidia Bancorp, Inc., acquired 2,040 shares of the company's common stock on April 28, 2026, through a 401(k) plan transaction. The shares were purchased at $21.16 per share, bringing his total indirect holdings through the 401(k) plan to 17,495 shares. Additionally, the filing shows Doane holds 141 shares directly and 1,096 shares indirectly through an Employee Stock Ownership Plan (ESOP). The transaction was not required to be reported under Section 16 of the Securities Exchange Act but was voluntarily disclosed. The filing was signed on April 29, 2026, by Victor L. Cangelosi under a power of attorney.