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SEC Form 4 · accession 0001437749-26-028474

Avidia Bancorp, Inc. · AVBC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner
Thomas Doane
Officer — EVP- Human Resources
Period of report
Aug 17, 2026
Accepted (ET)
Aug 19, 2026 · 9:44 am EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0002058758

Table I — non-derivative securities

SecurityDateCodeSharesPriceA/DOwned afterD/INature of ownership
Common StockF1Aug 17, 2026P1,726$22.31A19,422IBy 401(k)
Common Stockholding———141D
Common Stockholding———1,096IBy ESOP

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses