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Columbia Financial goes fully public and buys Northfield Bank

Columbia Financial goes fully public and buys Northfield Bank

Money Moves

A New Jersey lender raised $1.67 billion selling stock, then used part of it to acquire a 139-year-old rival

In 2 days: Conversion and merger scheduled to close

Overview

Columbia Financial sold about 167.2 million new shares at $10 each on July 17, raising roughly $1.67 billion. The sale ends its half-mutual, half-public ownership and turns it into an ordinary public company.

Part of that cash immediately pays for Northfield Bancorp, a $580 million deal that folds a 139-year-old Staten Island lender into Columbia. The combined bank will hold about $18 billion in assets, the third-largest based in New Jersey. Both deals close July 20.

Why it matters

Two familiar New Jersey and New York banks are becoming one, and the new owner is now answerable to public shareholders instead of a member-owned trust.

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Key Indicators

$1.67B
Stock offering proceeds
Raised by selling about 167.2 million shares at $10 each.
$580M
Northfield purchase price
Final consideration for Northfield Bancorp, paid in stock and cash.
$18B
Combined assets
Pro forma total assets, third-largest of any bank based in New Jersey.
108
Branch offices
Columbia's 71 offices plus Northfield's 37 across New Jersey and New York.
2.20x
Share exchange ratio
Each existing minority share converts into 2.20 shares of the new company.

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People Involved

TK
Thomas J. Kemly
Set to lead the combined bank after the July 20 closing
 Steven M. Klein
Steven M. Klein
Becoming senior executive vice president and COO of the combined company

Organizations Involved

Columbia Financial, Inc.
Columbia Financial, Inc.
Bank holding company
Buyer and the company converting to full public ownership

Columbia Financial is the parent of Columbia Bank, a Fair Lawn, New Jersey lender with 71 offices.
Northfield Bancorp, Inc.
Northfield Bancorp, Inc.
Bank holding company
Being acquired for about $580 million

Northfield Bancorp is the parent of Northfield Bank, a Woodbridge, New Jersey lender with 37 offices across New Jersey and New York.

Timeline

February 2026 July 2026

5 events Latest: In 2 days
Tap a bar to jump to that date

  1. Conversion and merger scheduled to close

    Latest Closing

    The second-step conversion and the Northfield merger are set to complete. Columbia Bank's mutual holding company ceases to exist. Trading is expected to resume July 21 on Nasdaq as CLBK.

  2. Offering priced at $1.67 billion

    Financial

    Columbia reports selling about 167.2 million shares at $10 each. It sets final Northfield consideration at roughly $580 million and a July 20 closing.

  3. Northfield shareholders pick cash or stock

    Corporate

    Northfield holders face the deadline to elect $14.25 in cash or 1.425 Columbia shares per share. Unelected shares default to a 70% stock, 30% cash mix.

  4. Stock offering opens with approvals in hand

    Regulatory

    Columbia begins its second-step stock offering at $10 a share after receiving regulatory sign-off for both the conversion and the Northfield purchase.

  5. Columbia unveils conversion and Northfield deal

    Announcement

    Columbia announces it will fully convert to public ownership and, at the same time, buy Northfield Bancorp. The deal was valued near $597 million at signing.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

May 2014

Investors Bancorp second-step conversion (2014)

Investors Bancorp, a Short Hills, New Jersey thrift, completed the largest-ever second-step conversion, raising about $2.2 billion by selling stock to the public. Like Columbia, it shed a mutual holding company structure to become fully public.

Then

The shares traded near the offering price at first, and the bank sat on a large capital cushion.

Now

Investors used the capital to keep growing and buying, then agreed to sell itself to Citizens Financial Group in a deal that closed in 2022.

Why this matters now

It is the closest recent template for what Columbia is doing: a New Jersey thrift raising a giant sum through the same conversion mechanism, then deploying it on deals.

May 2015

Kearny Financial second-step conversion (2015)

Kearny Financial, another New Jersey thrift, converted to full public ownership and raised roughly $1.2 billion in its second-step offering. Its stock opened to public trading with a heavy capital base.

Then

Kearny's shares spent stretches below the $10 offering price as investors questioned how fast it could put the money to work.

Now

The bank used buybacks and dividends to return capital and made acquisitions to build scale over the following years.

Why this matters now

It shows the risk in Columbia's plan: converted thrifts often trade below their issue price until they prove they can use the cash productively.

Sources

(4)
+1
GlobeNewswire Northfield Bank Banking Dive GlobeNewswire