Deal Timeline

Plotted by close date where disclosed, otherwise announcement. Select any marker to jump to the deal entry.

The Acquisition Playbook.

Three patterns run through Prosperity Bancshares's acquisitions — what it looks for, how it pays, and how it folds in what it buys.

01
Acquisition criteria
Serial in-market consolidator: Prosperity has completed roughly 40 whole-bank an...
Serial in-market consolidator: Prosperity has completed roughly 40 whole-bank and branch acquisitions since its 1998 IPO, systematically rolling up Texas and Oklahoma community banks to build one of the largest Texas-based banking franchises.
South Texas Bancshares, Inc. (Commercial National Bank)Compass Bank (5 branches)Commercial Bancshares, Inc. (Heritage Bank)Texas Guaranty Bank, N.A.The First State Bank of Needville
02
Capital deployment
Mostly stock-funded, disciplined pricing: deals are typically stock-for-stock (o...
Mostly stock-funded, disciplined pricing: deals are typically stock-for-stock (often with a modest cash component), so consideration is frequently disclosed only as share counts rather than a headline dollar value, reflecting a low-risk, capital-conscious acquisition style.
South Texas Bancshares, Inc. (Commercial National Bank)Compass Bank (5 branches)Commercial Bancshares, Inc. (Heritage Bank)Texas Guaranty Bank, N.A.The First State Bank of Needville
03
Integration approach
Periodic transformational deals amid steady tuck-ins: alongside many small singl...
Periodic transformational deals amid steady tuck-ins: alongside many small single-office additions, Prosperity has executed franchise-defining mergers - American State Financial (2012), LegacyTexas (2019) and the pending Stellar Bancorp (2026) - that materially expand scale and deposit market share.
South Texas Bancshares, Inc. (Commercial National Bank)Compass Bank (5 branches)Commercial Bancshares, Inc. (Heritage Bank)Texas Guaranty Bank, N.A.The First State Bank of Needville

The Full Deal Book

39 acquisitions — each with the deal value, financing structure, target revenue, and executive commentary where disclosed.

01 South Texas Bancshares, Inc. (Commercial National Bank) Not disclosed
Disclosed in 8-K

Acquired the parent of Commercial National Bank, adding three banking centers as Prosperity began its post-IPO Texas roll-up strategy.

02 Compass Bank (5 branches) Not disclosed
Disclosed in 8-K

Purchased five Compass Bank branches to expand Prosperity's Texas retail deposit footprint.

03 Commercial Bancshares, Inc. (Heritage Bank) Not disclosed
Disclosed in 8-K

Acquired the parent of Heritage Bank, adding twelve banking centers and materially expanding the Houston-area branch network.

04 Texas Guaranty Bank, N.A. Not disclosed
Disclosed in 8-K

Whole-bank acquisition adding two banking centers as part of Prosperity's 2002 wave of Texas community-bank consolidation.

05 The First State Bank of Needville Not disclosed
Disclosed in 8-K

Acquired a single-office community bank; the acquired office was consolidated into an existing Prosperity banking center.

06 Paradigm Bancorporation, Inc. (Paradigm Bank Texas) Not disclosed
Disclosed in 8-K

Acquired the parent of Paradigm Bank Texas, adding eight banking centers in the Houston metropolitan area.

07 Southwest Bank Holding Company (Bank of the Southwest) Not disclosed
Disclosed in 8-K

Acquired the holding company of Bank of the Southwest, adding two banking centers to the Texas franchise.

08 First National Bank of Bay City Not disclosed
Disclosed in 8-K

Acquired a single-office bank in Bay City, Texas; its office was consolidated into an existing Prosperity banking center.

09 Abrams Centre Bancshares, Inc. (Abrams Centre National Bank) Not disclosed
Disclosed in 8-K

Acquired the parent of Abrams Centre National Bank, extending Prosperity into the Dallas market.

10 Dallas Bancshares, Inc. (BankDallas) Not disclosed
Disclosed in 8-K

Acquired the parent of BankDallas, further building Prosperity's Dallas-area presence.

11 MainBancorp, Inc. (main bank, n.a.) Not disclosed
Disclosed in 8-K

Acquired the parent of main bank, n.a., adding three banking centers to the Dallas-Fort Worth network.

12 First State Bank of North Texas Not disclosed
Disclosed in 8-K

Whole-bank acquisition adding three North Texas banking centers.

13 Liberty Bancshares, Inc. (Liberty Bank, S.S.B.) Not disclosed
Disclosed in 8-K

Acquired the parent of Liberty Bank, adding four banking centers to the Texas franchise.

14 Village Bank and Trust, s.s.b. Not disclosed
Disclosed in 8-K

Acquired a single-office Texas savings bank, continuing Prosperity's community-bank consolidation.

15 First Capital Bankers, Inc. (FirstCapital Bank, s.s.b.) Not disclosed
Disclosed in 8-K

Acquired the parent of FirstCapital Bank, s.s.b., adding twenty banking centers in a sizable Texas expansion.

16 Grapeland Bancshares, Inc. (First State Bank of Grapeland) Not disclosed
Disclosed in 8-K

Acquired the parent of First State Bank of Grapeland, adding two East Texas banking centers.

17 SNB Bancshares, Inc. (Southern National Bank of Texas) Not disclosed
Disclosed in 8-K

Acquired the parent of Southern National Bank of Texas, adding six banking centers in the Houston area.

18 Texas United Bancshares, Inc. Not disclosed
Disclosed in 8-K

Acquired Texas United Bancshares (State Bank, GNB Financial, Gateway National Bank and Northwest Bank), a 34-banking-center franchise that was one of Prosperity's largest early acquisitions.

19 The Bank of Navasota Not disclosed
Disclosed in 8-K

Acquired a single-office community bank in Navasota, Texas.

20 Banco Popular, NA (6 branches) Not disclosed
Disclosed in 8-K

Purchased six Banco Popular branches, adding five retained banking centers to Prosperity's Texas network.

21 1st Choice Bancorp (1st Choice Bank) Not disclosed
Disclosed in 8-K

Acquired the parent of 1st Choice Bank, adding a Houston-area banking office.

22 Franklin Bank (FDIC-assisted) Not disclosed
Disclosed in 8-K

In an FDIC-assisted transaction, Prosperity assumed approximately $3.6 billion of deposits and acquired certain assets and 33 banking centers from the FDIC as receiver for the failed Franklin Bank.

23 U.S. Bank (3 branches) Not disclosed
Disclosed in 8-K

Purchased three U.S. Bank branches to expand Prosperity's Texas retail deposit footprint.

24 First Bank (19 branches) Not disclosed
Disclosed in 8-K

Purchased 19 First Bank branches, retaining 15 banking centers and adding scale in Texas markets.

25 Texas Bankers, Inc. (Bank of Texas) Not disclosed
Announced Jan 2012 Closed Jan 2012

Acquired the parent of Bank of Texas (Austin), adding two banking centers in the Austin market.

26 The Bank Arlington Not disclosed
Announced Apr 2012 Closed Apr 2012

Acquired a single-office bank in Arlington, Texas, within the Dallas-Fort Worth market.

27 American State Financial Corporation (American State Bank) $536.8M
Announced Jul 2012 Closed Jul 2012

Acquired the parent of American State Bank, a 37-banking-center West Texas franchise, in one of Prosperity's largest deals to date; total consideration was $536.8 million (8,524,835 shares valued at $358.3 million plus $178.5 million cash).

28 Community National Bank Not disclosed
Announced Oct 2012 Closed Oct 2012

Acquired a single-office bank in Bellaire, Texas, within the Houston market.

29 East Texas Financial Services, Inc. (First Federal Bank Texas) Not disclosed
Announced Jan 2013 Closed Jan 2013

Acquired the parent of First Federal Bank Texas to increase market share in the East Texas (Tyler MSA) area.

30 Coppermark Bancshares, Inc. (Coppermark Bank) Not disclosed
Announced Apr 2013 Closed Apr 2013

Acquired the parent of Coppermark Bank to expand Prosperity's market into Oklahoma while adding Dallas-area offices.

31 FVNB Corp. (First Victoria National Bank) Not disclosed
Announced Nov 2013 Closed Nov 2013

Acquired the parent of First Victoria National Bank to expand Prosperity's Central and South Texas markets, adding roughly 20 retained banking centers.

32 F&M Bancorporation Inc. (The F&M Bank & Trust Company) Not disclosed
Disclosed in 8-K

Acquired the parent of The F&M Bank & Trust Company (Tulsa, Oklahoma), deepening Prosperity's Oklahoma presence and adding Dallas offices.

33 Tradition Bancshares, Inc. (Tradition Bank) $71.5M
Announced Jan 2016 Closed Jan 2016

Acquired the parent of Tradition Bank, a seven-office Houston-area franchise, for total merger consideration of $71.5 million (679,528 shares plus $39.0 million cash).

34 LegacyTexas Financial Group, Inc. (LegacyTexas Bank) $2,128.3M
Announced Nov 2019 Closed Nov 2019

Prosperity's transformational merger with LegacyTexas, a $10.5 billion-asset Plano-based bank with 42 North Texas locations; total consideration was $2,128.3 million (26,228,148 shares valued at $1,810.3 million plus $318.0 million cash).

Through the second largest bank merger in the history of Texas, our combined companies create the second largest bank by deposits headquartered in Texas.
35 First Bancshares of Texas, Inc. (FirstCapital Bank of Texas) $341.6M
Announced May 2023 Closed May 2023

Acquired the parent of FirstCapital Bank of Texas, a $2.1 billion-asset, 16-office franchise across West, North and Central Texas; total consideration was valued at approximately $341.6 million at announcement (3,583,370 shares plus about $91.5 million cash).

36 Lone Star State Bancshares, Inc. (Lone Star State Bank of West Texas) $228.7M
Announced Apr 2024 Closed Apr 2024

Acquired the parent of Lone Star State Bank of West Texas, a $1.37 billion-asset, five-office Lubbock-based franchise; total consideration was valued at approximately $228.7 million at announcement (2,376,182 shares plus $64.1 million cash).

37 American Bank Holding Corporation (American Bank, N.A.) $321.5M
Announced Jan 2026 Closed Jan 2026

Acquired the Corpus Christi-based parent of American Bank, N.A., a $2.5 billion-asset franchise with 18 South and Central Texas offices; total consideration was valued at approximately $321.5 million at announcement (4,439,981 shares).

We have followed American Bank closely for more than two decades and have tremendous respect for the bank and for the people that have contributed to its success.
38 Southwest Bancshares, Inc. (Texas Partners Bank) Not disclosed
Announced Feb 2026 Closed Feb 2026

Acquired the San Antonio-based parent of Texas Partners Bank, an 11-office Central Texas franchise; consideration was disclosed only as an aggregate of roughly 4.06-4.09 million Prosperity shares, with no stated dollar value.

39 Stellar Bancorp, Inc. (Stellar Bank) $2.0B
Announced Jan 2026 Closed Jan 2026

Announced a definitive agreement to acquire Houston-based Stellar Bancorp (52 offices), a deal valued at approximately $2.00 billion that would make Prosperity the largest Texas-based bank in the Houston deposit market; the merger is pending regulatory and shareholder approval.

As a result, we view the transaction as a low-risk combination that significantly enhances our Texas footprint.

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