Form 3 Filing for Kevin Dallas

This filing reports the initial ownership of securities by Kevin Dallas, Head of Marketing at Bank of N.T. Butterfield & Son Ltd. Dallas directly owns 15,834 shares of the company's common stock. Additionally, he holds two types of restricted stock units (RSUs). The first grant consists of 5,006 RSUs that vest on February 12, 2027, with each unit representing a contingent right to one common share. The second grant comprises 37,376 RSUs, with vesting dates on February 10, 2028, and February 9, 2029, also contingent upon continued service. These RSUs do not have an expiration date and will either vest or be forfeited. The filing is dated March 31, 2026.