M&A Deal Summary

Security First Bank Acquires First Interstate Bank s 11 Banking Offices

On October 16, 2025, Security First Bank acquired financial services company First Interstate Bank s 11 Banking Offices from First Interstate Bank

Acquisition Highlights
  • This is Security First Bank’s 1st transaction in the Financial Services sector.
  • This is Security First Bank’s 1st transaction in the United States.
  • This is Security First Bank’s 1st transaction in Nebraska.

M&A Deal Summary

Date 2025-10-16
Target First Interstate Bank s 11 Banking Offices
Sector Financial Services
Buyer(s) Security First Bank
Sellers(s) First Interstate Bank
Deal Type Divestiture

Target

First Interstate Bank s 11 Banking Offices

Nebraska, United States
First Interstate Bank's 11 Banking Offices offer personal, business, and banking services. First Interstate Bank's 11 Banking Offices are based in Nebraska.

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Buyer(S) 1

Buyer

Security First Bank

Lincoln, Nebraska, United States

Category Company
Founded 1898
Sector Financial Services
DESCRIPTION

Security First Bank is a provider of banking products and services, including checking, savings, loans, mortgages, and digital banking. Security First Bank was founded in 1898 and is based in Lincoln, Nebraska.


DEAL STATS #
Overall 1 of 1
Sector: Financial Services M&A 1 of 1
Type: Divestiture M&A Deals 1 of 1
State: Nebraska M&A 1 of 1
Country: United States M&A 1 of 1
Year: 2025 M&A 1 of 1

Seller(S) 1

SELLER

First Interstate Bank

Billings, Montana, United States

Category Company
Founded 1971
Sector Financial Services
Employees3,481
Revenue 1.0B USD (2024)
DESCRIPTION

First Interstate Bank is a financial holding company offering a full range of internet, mobile, and other banking and financial services throughout Montana, Wyoming, and South Dakota. First Interstate Bank was founded in 1971 and is based in Billings, Montana.


DEAL STATS #
Overall 4 of 4
Sector: Financial Services M&A 4 of 4
Type: Divestiture M&A Deals 4 of 4
State: Nebraska M&A 1 of 1
Country: United States M&A 4 of 4
Year: 2025 M&A 2 of 2
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2025-04-30 First Interstate Bank - Twelve Banking Offices

Arizona, United States

First Interstate Bank's Twelve Banking Offices provide financial services, such as deposit accounts, loan products, and other commercial banking solutions. First Interstate Bank's Twelve Banking Offices are based in Arizona.

Sell -