Form 4 Filing for Avidia Bancorp, Inc.

This filing details transactions by Thomas Doane, EVP- Human Resources at Avidia Bancorp, Inc. On October 13, 2026, Mr. Doane acquired 32,000 shares of Common Stock. Additionally, 80,000 Stock Options were granted, vesting over five years starting October 13, 2027. Post-transaction, Mr. Doane directly holds 32,141 shares. Indirect holdings include 19,549 shares in a 401(k) and 1,096 shares in an ESOP. The options have an exercise price of $21.95 and expire on October 13, 2036. The filing also notes transactions not required to be reported under Section 16.