Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Financials · Savings Institution, Federally Chartered

Columbia Banking System, Inc. to acquire Umpqua Holdings Corp

Announced Oct 15, 2021 · Closed Mar 1, 2023

Deal value$5.19B
Premium—To unaffected price
EV / Adj. EBITDA—
ConsiderationAll stock$23.58 per share

Transaction

Acquirer
Columbia Banking System, Inc. (COLB)
Target
Umpqua Holdings Corp
Buyer type
Strategic
Offer price per share
$23.58
Enterprise value
—
Status
Closed Mar 1, 2023

Deal protections

Break fee (target pays)
$145M · 2.8%
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
Stifel
To the target
JPMorgan

Sector context · Financials

Comparable deals
55 in the prior 24 months
Premium
Sector median 35.9%
EV / Adj. EBITDA
Sector median 21.6x
Break fee
2.8% vs. 3.7% sector median

Timeline

  1. AnnouncedOct 15, 2021
  2. Proxy filedDec 3, 2021
  3. Definitive proxyDec 3, 2021
  4. Shareholder voteJan 26, 2022
  5. ClosedMar 1, 2023

Valuation · fairness opinions

Discounted cash flowStifel$18.34$26.18
Discounted cash flowStifel$36.26$51.77
Trading comparablesJPMorgan$18.52$24.12
Trading comparablesJPMorgan$20.27$24.10
Discounted cash flowJPMorgan$19.18$23.03
Trading comparablesJPMorgan$36.38$44.19
Trading comparablesJPMorgan$36.17$43.75
Offer $23.58

Implied value per Umpqua Holdings Corp share by analysis, from Stifel and JPMorgan · DCF discount rate 9.5%–13.5%.

Sources
  • 8-K · Oct 15, 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.