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STEL
NYSE Finance

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

Analysis by Wiseek AI
Sentiment info
Positive
Importance info
9
Price
$37.23
Mkt Cap
$1.67B
52W Low
$24.125
52W High
$33.94
Market data snapshot near publication time

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

  • 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

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
May 27, 2026, 4:45 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $37.32
Real-time Price: $38.87 info
Change: +$1.55 (+4%) info
Market Cap: $1.979B info
STEL
May 20, 2026, 5:02 PM EDT
Filing Type: 425
Importance Score:
8
Price at Filing: $37.42
Real-time Price: $38.87 info
Change: +$1.45 (+4%) info
Market Cap: $1.979B info
STEL
May 20, 2026, 5:00 PM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $37.42
Real-time Price: $38.87 info
Change: +$1.45 (+4%) info
Market Cap: $1.979B info
STEL
May 19, 2026, 4:34 PM EDT
Filing Type: DEFA14A
Importance Score:
7
Price at Filing: $36.95
Real-time Price: $38.87 info
Change: +$1.92 (+5%) info
Market Cap: $1.979B info
STEL
Apr 30, 2026, 6:02 AM EDT
Filing Type: 425
Importance Score:
8
Price at Filing: $37.60
Real-time Price: $38.87 info
Change: +$1.27 (+3%) info
Market Cap: $1.979B info
STEL
Apr 28, 2026, 4:03 PM EDT
Filing Type: 10-Q
Importance Score:
7
Price at Filing: $37.59
Real-time Price: $38.87 info
Change: +$1.28 (+3%) info
Market Cap: $1.979B info
STEL
Apr 28, 2026, 4:00 PM EDT
Filing Type: 8-K
Importance Score:
7
Price at Filing: $37.59
Real-time Price: $38.87 info
Change: +$1.28 (+3%) info
Market Cap: $1.979B info
STEL
Apr 22, 2026, 7:59 AM EDT
Filing Type: 8-K
Importance Score:
8
Price at Filing: $37.62
Real-time Price: $38.87 info
Change: +$1.25 (+3%) info
Market Cap: $1.979B info
STEL
Apr 21, 2026, 4:25 PM EDT
Filing Type: DEFM14A
Importance Score:
9
Price at Filing: $37.62
Real-time Price: $38.87 info
Change: +$1.25 (+3%) info
Market Cap: $1.979B info
STEL
Apr 17, 2026, 4:06 PM EDT
Filing Type: 10-K/A
Importance Score:
7
Price at Filing: $37.95
Real-time Price: $38.87 info
Change: +$0.920 (+2%) info
Market Cap: $1.979B info