Avidia Bancorp, Inc.

Avidia Bancorp, Inc. is a registered bank holding company that conducts its operations primarily through its wholly owned subsidiary, Avidia Bank. Avidia Bancorp, Inc. was incorporated in February 2025 and became the holding company for Avidia Bank on July 31, 2025, following the conversion of Assabet Valley Bancorp from a mutual holding company to a stock form of organization. In connection with this conversion, the Company sold 19,176,250 shares of common stock at $10.00 per share and contributed 900,000 shares of common stock and $1.0 million in cash to the Avidia Bank Charitable Foundation, Inc. At December 31, 2025, Avidia Bancorp had total assets of $2.84 billion, loans of $2.30 billion, deposits of $2.13 billion, and stockholders' equity of $379 million. The Company's principal office is located at 42 Main Street, Hudson, Massachusetts 01749. Avidia Bank is a Massachusetts-chartered stock savings bank with its main office in Hudson, Massachusetts. It was formerly known as Hudson Savings Bank. In November 1997, Hudson Savings Bank converted from a mutual to stock form of organization, with Assabet Valley Bancorp becoming its mutual holding company and sole stockholder. In August 2007, Hudson Savings Bank merged with The Westborough Savings Bank, and the combined institution adopted the Avidia Bank name.