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STEL
NYSE Finance

Stellar Bancorp to be Acquired by Prosperity Bancshares in $2.0 Billion Merger

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Bank Stocks · Financial
Sentiment info
Positive
Importance info
9
Price
$37.23
Mkt Cap
$1.67B
52W Low
$24.125
52W High
$33.94
52W Position info
54% above low
Off High info
at 52W high
Rel. Volume info
1.1× avg
Market data snapshot near publication time

STEL sits 54% above its 52-week low of $24.125.

Summary

Stellar Bancorp, Inc. announced a definitive merger agreement to be acquired by Prosperity Bancshares, Inc. for approximately $2.002 billion in a cash and stock transaction.


Key Events · M&A and Partnerships · STEL

  • Definitive Merger Agreement Signed

    Stellar Bancorp, Inc. will merge with and into Prosperity Bancshares, Inc. for a total consideration valued at approximately $2.002 billion.

  • Transaction Terms

    Each Stellar share will be exchanged for 0.3803 shares of Prosperity common stock and $11.36 in cash, implying a value of $39.08 per share based on Prosperity's prior day closing price.

  • Strategic Rationale

    The merger creates the second largest bank by deposits headquartered in Texas and significantly enhances Prosperity's footprint in the Houston area, a growing and diverse economy.

  • Leadership Integration

    Stellar's CEO and President will join Prosperity Bank in key leadership roles, and two Stellar directors will be added to Prosperity's Board of Directors.


Analysis · STEL · Finance

Stellar Bancorp, Inc. has entered into a definitive merger agreement to be acquired by Prosperity Bancshares, Inc. for approximately $2.002 billion. This all-stock and cash transaction offers Stellar shareholders 0.3803 shares of Prosperity common stock and $11.36 in cash for each Stellar share, representing a premium over Stellar's current trading price. The acquisition is strategically significant, aiming to create the second largest bank by deposits headquartered in Texas and substantially expand Prosperity's presence in the key Houston market. The deal is expected to be accretive to Prosperity's EPS by 9.2% in 2027, though it will result in a 7.8% tangible book value dilution with an earnback period of approximately 4.5 years. This filing, a Rule 425 communication, provides the joint press release and investor presentation, detailing the terms and strategic rationale of the merger concurrently announced via an 8-K.

At the time of this filing, STEL was trading at $37.23 on NYSE in the Finance sector, with a market capitalization of approximately $1.7B. The 52-week trading range was $24.13 to $33.94. This filing was assessed with positive market sentiment and an importance score of 9 out of 10.

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STEL - Latest Insights

STEL
Jul 01, 2026, 7:30 AM EDT
Filing Type: 8-K
Importance Score:
10
Price at Filing: $39.32
Real-time Price: $39.32 info
Change: $0 (0%) info
Market Cap: $2.002B info
STEL
May 27, 2026, 4:45 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $37.32
Real-time Price: $39.32 info
Change: +$2.00 (+5%) info
Market Cap: $2.002B info
STEL
May 20, 2026, 5:02 PM EDT
Filing Type: 425
Importance Score:
8
Price at Filing: $37.42
Real-time Price: $39.32 info
Change: +$1.90 (+5%) info
Market Cap: $2.002B info
STEL
May 20, 2026, 5:00 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $37.42
Real-time Price: $39.32 info
Change: +$1.90 (+5%) info
Market Cap: $2.002B info
STEL
May 19, 2026, 4:34 PM EDT
Filing Type: DEFA14A
Importance Score:
7
Price at Filing: $36.95
Real-time Price: $39.32 info
Change: +$2.37 (+6%) info
Market Cap: $2.002B info