X0508 4 2026-01-21 0001476034 Metropolitan Bank Holding Corp. MCB 0001720773 Rosenberg Nick 99 PARK AVENUE 12TH FLOOR NEW YORK NY 10016 false true false false Executive Vice President 1 Common Stock 2026-01-21 4 S 0 1250 90.2140 D 25839 D Common Stock 250 I By Child 1 Common Stock 250 I By Child 2 Common Stock 20 I By Child 3 Sale effected pursuant to a Rule 10b5-1 trading arrangement adopted by the Reporting Person on June 6, 2025. The $90.2140 price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $90.0450 to $90.4200, inclusive. The Reporting Person undertakes to provide to Metropolitan Bank Holding Corp., any security holder of Metropolitan Bank Holding Corp., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Footnote 2. Includes restricted stock units granted on March 1, 2023 that vest at a rate of 33.3% per year commencing on March 1, 2024. Includes restricted stock units granted on March 1, 2024 that vest at a rate of 33.3% per year commencing on March 1, 2025. Includes restricted stock units granted on March 1, 2025 that vest at a rate of 33.3% per year commencing on March 1, 2026. /s/ Zachary Levine, Attorney-in-Fact 2026-01-22