Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Financials · State Commercial Banks

Columbia Banking System, Inc. to acquire Pacific Premier Bancorp Inc

Announced Apr 23, 2025 · Closed Sep 2, 2025

Deal value$2.00B
Premium—To unaffected price
EV / Adj. EBITDA—
ConsiderationAll stock$20.83 per share

Transaction

Acquirer
Columbia Banking System, Inc. (COLB)
Target
Pacific Premier Bancorp Inc (PPBI)
Buyer type
Strategic
Offer price per share
$20.83
Enterprise value
—
Status
Closed Sep 2, 2025

Deal protections

Break fee (target pays)
$75.0M · 3.8%
Reverse fee (buyer pays)
—
Go-shop
No-shop
Financing
—

Advisors

To the acquirer
Piper Sandler
To the target
Stifel

Sector context · Financials

Comparable deals
60 in the prior 24 months
Premium
Sector median 34.5%
EV / Adj. EBITDA
Sector median 12.5x
Break fee
3.8% vs. 3.6% sector median

Timeline

  1. AnnouncedApr 23, 2025
  2. Proxy filedJun 16, 2025
  3. Definitive proxyJun 16, 2025
  4. Shareholder voteJul 21, 2025
  5. ClosedSep 2, 2025

Valuation · fairness opinions

Precedent transactions$19.11$32.73
Precedent transactions$17.90$33.62
Precedent transactions$13.71$22.77
Precedent transactions$15.79$29.60
Discounted cash flowStifel$22.15$28.03
Discounted cash flowStifel$22.24$31.48
Offer $20.83

Implied value per Pacific Premier Bancorp Inc share by analysis · DCF discount rate 10%–14%.

Sources
  • 8-K (EX-99.1) · Apr 23, 2025
  • 425 (EX-99.1) · Apr 23, 2025
  • 425 · Apr 23, 2025
  • 8-K (EX-99.1) · Sep 2, 2025

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.