Bonaccorso David 4

What Happened
David Bonaccorso, Chief Financial Officer of Bank of Marin Bancorp (BMRC), surrendered 296 shares on June 10, 2026 to satisfy a tax withholding obligation related to a prior equity award/exercise. The shares were reported disposed at $26.15 per share for a total value of approximately $7,740. This was a tax-withholding disposition (routine administrative action), not an open-market sale intended as investment signaling.

Key Details

• Transaction date: 2026-06-10; Price: $26.15 per share
• Shares surrendered/disposed: 296; Total value reported: $7,740
• Transaction code: F (payment of exercise price or tax liability — tax withholding)
• Shares owned after transaction: Not specified in the reported Form 4
• Filing: Form 4 filed 2026-06-11 (appears timely; no late filing flag reported)
• No 10b5-1 plan or other special footnotes were indicated in the summary information provided

Context
When insiders exercise options or receive vested shares, companies often withhold or accept shares to cover taxes; that is what occurred here. Such withholdings are routine and do not necessarily indicate the insider’s view on the company’s stock price.