Deal Flow
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Transaction tear sheetData as of Nov 7, 2026
M&A · Financials · State Commercial Banks

Bank of Marin Bancorp to acquire American River Bankshares

Announced Apr 19, 2021 · Closed Aug 6, 2021

Deal value$135M
Premium—To unaffected price
EV / Adj. EBITDA—
ConsiderationAll stock$22.46 per share

Transaction

Acquirer
Bank of Marin Bancorp (BMRC)
Target
American River Bankshares
Buyer type
Strategic
Offer price per share
$22.46
Enterprise value
—
Status
Closed Aug 6, 2021

Deal protections

Break fee (target pays)
—
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
Stifel
To the target
Piper Sandler

Sector context · Financials

Comparable deals
21 in the prior 24 months
Premium
Sector median 48.0%
EV / Adj. EBITDA
Sector median 21.5x
Break fee
Sector median 3.7%

Timeline

  1. AnnouncedApr 19, 2021
  2. Proxy filedJun 28, 2021
  3. Definitive proxyJun 28, 2021
  4. Shareholder voteJul 28, 2021
  5. ClosedAug 6, 2021

Valuation · fairness opinions

Discounted cash flowStifel$29.64$42.25
Discounted cash flowStifel$19.08$28.23
Precedent transactionsPiper Sandler$8.71$18.67
Precedent transactionsPiper Sandler$10.24$19.10
Precedent transactionsPiper Sandler$22.51$43.99
Precedent transactionsPiper Sandler$24.07$46.91
Offer $22.46

Implied value per American River Bankshares share by analysis, from Stifel and Piper Sandler · DCF discount rate 10%–14%.

Sources
  • 8-K (EX-99.1) · Apr 19, 2021

Adj. EBITDA is operating income + D&A + impairment, restructuring, deal costs and stock compensation, less any large gain on a sale, last twelve months, from the target's filings. Calculated by Castle, so it can differ from a bank's adjusted figure.

Prepared with Castle from public SEC EDGAR filings. Figures are extracted automatically; verify against the source documents. Not investment advice.