Form 4 Filing for Colombo Russell A

This filing details transactions made by Colombo Russell A, a director at Bank of Marin Bancorp (BMRC). On July 1, 2026, Mr. Colombo acquired 849 shares of common stock as a director fee, increasing his total holdings to 44,409 shares. The filing also discloses various stock options held by Mr. Colombo, with exercise prices ranging from $33.58 to $44.45 and expiration dates spanning from 2027 to 2031. These options are all held indirectly and are subject to vesting schedules. Additionally, Mr. Colombo holds 2,551 shares of common stock directly and 13,692 shares indirectly through an IRA.