SEC Filing Summary

This filing is a Form 3, which reports initial beneficial ownership of securities. Stephen E. Cummings, a director at Bank of N.T. Butterfield & Son Ltd, acquired 5,149 Restricted Stock Units. These RSUs vest over two years, subject to continued service. Each RSU represents a contingent right to one share of Common Stock upon vesting and settlement. The RSUs do not expire and will either vest and settle or be forfeited/cancelled before their vesting date. The filing was signed by Tara Hidalgo, by power of attorney for Stephen Cummings, on April 1, 2026.