secwatch.observer — SEC 8-K summary
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Issuer:     PROSPERITY BANCSHARES INC (PB)
CIK:        0001068851
Form:       8-K
Filed at:   2026-01-02T23:59:59+00:00
Accession:  0001193125-26-001005
Event type: m_and_a
Sentiment:  neutral
Materiality: 0.60
Item codes: 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Prosperity Bancshares closes all-stock acquisition of American Bank; issues 4.44M shares
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- Merger of American Bank Holding Corp and American Bank into Prosperity effective January 1, 2026.
- Prosperity issued 4,439,981 shares of common stock to American shareholders and award holders.
- Stephen Raffaele named South Texas and San Antonio Area Chairman; Ben Wallace named South Texas Senior Chairman.
- Acquired 18 banking offices and 2 loan production offices in South and Central Texas.
- Operational integration of American Bank branches scheduled for September 2026.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/1068851/000119312526001005/0001193125-26-001005-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/1068851/000119312526001005/pb-20260102.htm
  HTML page:      https://secwatch.observer/filing/0001193125-26-001005

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