San Diego County Credit Union and California Coast Credit Union, which last year announced plans to merge, are now duking it out in court. SDCCU alleges there are widespread compliance problems at Cal Coast, which Cal Coast denies.

Prosperity Bancshares is fast-tracking bank acquisitions; PNC closed its acquisition of FirstBank Holding Company; BrightBridge Credit Union finalized its merger with Arrha Credit Union; and more in this week's banking news roundup.

The Kansas City, Missouri-based bank completed its first bank acquisition in 12 years on New Year's Day. Now it's focused on retaining and growing FineMark Holdings' high-net-worth clients in markets such as Southwest Florida, South Carolina and Arizona.

The deal still faces a lawsuit from activist investor HoldCo Asset Management, which contends that Comerica didn't properly shop itself before agreeing to sell to Fifth Third.

First Federal Bank stretched its retail mortgage operations into Louisiana and Mississippi, following its expansion into the Midwest and Arizona in 2023.

Bank investors are typically wary of mergers of equals. Kevin Blair, CEO of the newly combined Synovus and Pinnacle, maintains that this deal is different, but also acknowledges that it's now time to prove it.

Bank First in Manitowoc, Wisconsin, has completed its acquisition of Centre 1 Bancorp in Beloit; Citi plans to shed its remaining Russian operations; Heritage Financial in Olympia, Washington, has received regulatory approvals to acquire Olympic Bancorp; and more in this week's banking news roundup.

The merger of equals, which received a chilly reception from investors when it was announced in July, closed faster than analysts had expected.

Fintechs sought to acquire the rights and privileges of bank charters in various ways this year, from de novo applications to buying up banks.

New Jersey-based OceanFirst Financial slid in its planned $579 million acquisition of Flushing Financial just before the end of the year. The private equity firm Warburg Pincus is also participating in the transaction.

Credit unions hit new highs in membership, deposits and loans in 2025. But it was also a chaotic year for the industry's governing body, and the sector faced renewed attacks by banks.

Bank merger and acquisition activity rebounded this year, led by Fifth Third's $10.9 billion proposed purchase of Comerica. Huntington, PNC and Columbia were involved in some of the other biggest deals announced in 2025.

ServiceNow, with its largest-yet M&A deal, will fold Armis' threat prevention services into its larger cybersecurity suite.

While the term "financial supermarket" may have gone out of fashion, firms still see opportunity to boost profits and keep clients loyal by blurring the lines between banking and wealth management.

Proxy advisory firm Institutional Shareholder Services recommended approval of Fifth Third's $10.9 billion proposed acquisition of Comerica.

Once its second deal in less than three years closes midway through 2026, the Alexandria-based company will operate more than 100 branches and hold $11 billion in assets.

Mercantile's pending acquisition of Eastern Michigan is approved by the Federal Reserve Bank of Chicago; the National Community Reinvestment Coalition and Rise Economy announce a $2.5 billion addendum to Columbia Bank's community benefits agreement following its acquisition of Pacific Premier Bank; the Federal Reserve Board and CFPB raise the thresholds for certain credit and lease transactions; and more in this week's banking news roundup.

The Dallas bank turned down another offer because it thought it could get a higher price from Fifth Third, and also could ink an agreement faster, according to Comerica's latest regulatory filing.

The merger with Heritage Financial joins two commercially focused banks, creating a $21.7 billion-asset institution with a presence in all of the Golden State's major markets.

Daryl Byrd, who led Iberiabank until it was acquired by First Horizon, has assembled an investor group to acquire MC Bancshares and its subsidiary, MC Bank & Trust Co. in Morgan City, Louisiana. Byrd will become CEO.