X0508 4 2024-03-13 0000824410 SANDY SPRING BANCORP INC SASR 0001320274 Cook Kenneth C SANDY SPRING BANCORP, INC. 17801 GEORGIA AVENUE OLNEY MD 20832 1 0 Common Stock 2024-03-13 4 A 0 4447 0 A 7232.5874 D Common Stock 2024-03-13 4 F 0 1614 22.12 D 5618.5874 D Common Stock 279805.0361 D Common Stock 1916 D Common Stock 2254 D On March 10, 2021, the reporting person was granted shares of restricted stock units subject to certain performance criteria to be achieved January 1, 2021 through December 31, 2023. The result of that award was determined and granted on March 13, 2024. Shares of Restricted Stock vested on this date were withheld for tax obligations. Restricted stock units awarded under 2015 Omnibus Incentive Plan will vest ratably on April 1, 2023, April 1, 2024, and April 1 2025. Restricted stock units granted under the 2015 Omnibus Incentive Plan will vest entirely on May 24, 2024. /s/ Janet VA Replogle, attorney-in-fact for Mr. Cook 2024-03-15