Initial Statement of Beneficial Ownership of Securities

This filing details the beneficial ownership of securities for Mark T. Lynch, a director at Bank of N.T. Butterfield & Son Ltd. The report indicates that Mr. Lynch directly owns 224,794 shares of the company's stock. Additionally, he indirectly owns 800 shares, with the indirect ownership involving voting rights and dispositive control. The reporting period for this statement is March 31, 2026, and the filing date is April 1, 2026. The filing is an initial statement of beneficial ownership.