X0306 4 2021-08-06 0 0001636286 Altabancorp ALTA 0001773334 Gochnour Natalie C/O ALTABANCORP 1 EAST MAIN AMERICAN FORK UT 84003 1 0 0 0 Common Shares 2021-08-06 4 M 0 5866 42.17 A 7698 D Common Shares 2021-08-06 4 F 0 4514 42.17 D 3184 D Share Option (right to buy) 32.45 2021-08-06 4 M 0 5866 32.45 D 2017-10-01 2021-09-30 Common Shares 5866 0 D /s/ Natalie Gochnour, by Adelaide Maudsley, Attorney In Fact 2021-08-06