A Form 4 filed with the SEC on August 12, 2026, discloses that Joseph F. Grimaldo, a director of Avidia Bancorp, Inc. (NASDAQ:AVBC), purchased 4,655 shares of common stock on August 11, 2026.

Key Highlights

  • Reporting person: Joseph F. Grimaldo, identified as a Director of Avidia Bancorp, Inc.
  • Transaction: Purchase (transaction code P) of 4,655 shares of common stock on August 11, 2026.
  • Price paid: $21.4364 per share, according to the filing.
  • Post-transaction holdings (By Trust): 44,655 shares of common stock held indirectly by trust following the reported transaction.
  • Additional indirect holdings: 20,000 shares of common stock held indirectly by spouse's trust, with no transaction reported against that position.
  • Signed by: Victor L. Cangelosi, pursuant to power of attorney, on August 12, 2026.

Grimaldo's Share Purchase and Beneficial Ownership at Avidia Bancorp

According to the filing, Joseph F. Grimaldo, a director of Avidia Bancorp, Inc., acquired 4,655 shares of the company's common stock on August 11, 2026, at a price of $21.4364 per share. The transaction was coded as a purchase (P) under the applicable SEC instructions. The shares were acquired indirectly, with ownership held by a trust.

Following the reported transaction, the filing discloses that Grimaldo beneficially owns 44,655 shares of common stock through the trust. A separate line in the filing also reports 20,000 shares of common stock held indirectly through a spouse's trust, with no transaction date or code associated with that position, indicating it reflects an existing holding rather than a new acquisition.

No derivative securities transactions were reported in Table II of the filing. The form was filed by one reporting person and was signed by Victor L. Cangelosi pursuant to a power of attorney on August 12, 2026. Grimaldo's address is listed as 42 Main St, Hudson, Massachusetts 01749.

What Was Disclosed

The filing reports a single open-market purchase of 4,655 shares of Avidia Bancorp common stock by director Joseph F. Grimaldo at $21.4364 per share on August 11, 2026, resulting in 44,655 shares held indirectly by trust, plus a separate 20,000-share position in a spouse's trust.