Prosperity Bank is the Texas state-chartered insured bank at FDIC certificate 16835, based in El Campo.
It is a subsidiary of Houston-based Prosperity Bancshares. Its June 2026 bank balances precede the July 1 Stellar merger; systems conversion was announced for March 2027.
Prosperity Bank combines Texas and Oklahoma relationship banking with treasury, trust and national mortgage warehouse finance. Three 2026 mergers changed its scale, making reporting dates, legal entities and systems-conversion timing essential to understanding its results.
Policy & official records
Curated library records that name Prosperity Bank or connect through its linked research. The official source provides full scope and status.
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