X0508 4 2024-12-26 0000824410 SANDY SPRING BANCORP INC SASR 0001782616 Kaslow Aaron Michael SANDY SPRING BANCORP, INC. 17801 GEORGIA AVENUE OLNEY MD 20832 1 EVP, Gen'l Counsel & Secretary 0 Common Stock 2024-12-26 4 A 0 3881 0 A 3881 D Common Stock 2024-12-26 4 A 0 6052 0 A 6052 D Common Stock 2024-12-26 4 A 0 5167 0 A 5167 D Common Stock 2024-12-26 4 F 0 1698 34.58 D 3469 D Common Stock 2024-12-26 4 F 0 1989 34.58 D 4063 D Common Stock 2024-12-26 4 F 0 1275 34.58 D 2606 D On December 26, 2024, a grant of restricted stock was awarded under 2024 Equity Plan. The award will vest ratably on April 1, 2026, April 1, 2027, and April 1, 2028. On December 26, 2024, shares of restricted stock were awarded under the 2024 Equity Plan. These shares will vest in their entirety on December 31, 2026. On December 26, 2024, shares of restricted stock were awarded under the 2024 Equity Plan. These shares will vest in their entirety on December 31, 2025. Shares of restricted stock were withheld for tax obligations under an 83b election filed by the insider. /s/ Janet VA Replogle, attorney-in-fact for Mr. Kaslow 2024-12-30