Recent 8-K filings for PB

• April 29, 2026, 7:59 PM ET earnings materiality 0.30 neutral item 2.02item 9.01 ◈ Earnings Releases

  Prosperity Bancshares Q1 2026 results furnished; details not available

  Press release announced Q1 2026 financial results but exhibit text was not included in the provided filing.

• April 23, 2026, 7:59 PM ET other materiality 0.15 neutral item 5.07

  Annual meeting results: all director nominees elected, auditor ratified, say-on-pay approved

  Kevin J. Hanigan, William T. Luedke IV, Perry Mueller Jr., Harrison Stafford II elected as Class I directors; Luedke had 12.5M withheld votes.

• April 22, 2026, 7:59 PM ET M&A materiality 0.70 positive item 8.01item 9.01

  Prosperity gets all regulatory approvals for Stellar acquisition; closing expected July 1, 2026

  Received all regulatory approvals: FRB Dallas waiver, FDIC, Texas Dept. of Banking.

• February 2, 2026, 6:59 PM ET M&A materiality 0.75 positive item 8.01item 9.01

  Prosperity Bancshares closes acquisition of Southwest Bancshares, issues ~4.1M shares

  Closed merger with Southwest Bancshares effective Feb 1, 2026; acquired Texas Partners Bank (11 offices in Central Texas).

• January 29, 2026, 6:59 PM ET M&A materiality 0.85 neutral item 1.01item 9.01 ◈ Material Agreements

  Prosperity Bancshares to acquire Stellar Bancorp in stock+cash deal valued at $11.36 + 0.3803 shares per Stellar share

  Each Stellar share exchanged for 0.3803 PB shares plus $11.36 cash; Stellar options and awards cancelled for cash.

• January 28, 2026, 6:59 PM ET M&A materiality 0.75 positive item 7.01item 9.01

  Prosperity Bancshares to acquire Stellar Bancorp for ~$2.002B in stock/cash

  Prosperity issues 0.3803 shares plus $11.36 cash per Stellar share; total consideration ~$2.002B.

• January 28, 2026, 6:59 PM ET earnings materiality 0.30 neutral item 2.02item 9.01

  Prosperity Bancshares announces Q4 2025 results; specifics not available in filing excerpt

  Press release furnished under Item 2.02; key financial details not included here.

• January 2, 2026, 6:59 PM ET M&A materiality 0.60 neutral item 8.01item 9.01

  Prosperity Bancshares closes all-stock acquisition of American Bank; issues 4.44M shares

  Merger of American Bank Holding Corp and American Bank into Prosperity effective January 1, 2026.

• October 29, 2025, 7:59 PM ET earnings materiality 0.10 neutral item 2.02item 9.01

  Prosperity Bancshares Q3 2025 earnings released; no financial details in filing

  Filed 8-K on October 29, 2025, announcing Q3 2025 results via press release.

• October 1, 2025, 7:59 PM ET M&A materiality 0.80 positive item 7.01item 8.01item 9.01

  Prosperity Bancshares to acquire Southwest Bancshares for ~$269M in stock

  Prosperity will issue 4,062,520 shares valued at ~$268.9M based on $65.97 closing price.

• July 23, 2025, 7:59 PM ET earnings materiality 0.30 neutral item 2.02item 9.01

  Prosperity Bancshares reports Q2 2025 results; details not disclosed in filing text

  Press release dated July 23, 2025, is referenced as Exhibit 99.1 but not included in provided text.

• July 18, 2025, 7:59 PM ET M&A materiality 0.75 positive item 7.01item 8.01item 9.01

  Prosperity Bancshares to acquire American Bank Holding for ~$321.5M in stock

  Consideration: 4,439,981 shares of PB stock valued at ~$321.5M ($72.40 close on 7/16/25).

• April 23, 2025, 7:59 PM ET earnings materiality 0.50 neutral item 2.02item 9.01

  Prosperity Bancshares reports Q1 2025 results; no financial details in filing body

  Press release announced but specific revenue, EPS, or loan figures are not included in the provided filing text.

• April 16, 2025, 7:59 PM ET other material materiality 0.10 neutral item 5.07

  Prosperity Bancshares annual meeting: all director nominees elected, auditor ratified, say-on-pay passes

  Shareholders elected Blanco, Henderson, Holmes, Lord, Zalman as Class III directors until 2028.

• April 16, 2025, 7:59 PM ET leadership materiality 0.35 neutral item 5.02item 9.01

  Prosperity Bancshares enters employment agreement with President/COO Hanigan; base salary $1.09M

  Three-year term with automatic one-year renewals unless 60 days' notice given.

• January 29, 2025, 6:59 PM ET earnings materiality 0.25 neutral item 2.02item 9.01

  Prosperity Bancshares reports Q4 2024 results; specific figures unavailable in filing excerpt

  Press release for Q4 2024 results issued on January 29, 2025.

• January 22, 2025, 6:59 PM ET other material materiality 0.50 neutral item 5.02item 9.01

  Prosperity Bancshares amends Chairman Timanus employment with enhanced change-in-control benefits

  Updated employment agreement for Chairman H.E. Timanus, Jr.; base salary $559,290/year.

• October 23, 2024, 7:59 PM ET earnings materiality 0.40 neutral item 2.02item 9.01

  Q3 2024 results announced; no specific figures in 8-K body

  Company issued press release on October 23, 2024 for Q3 2024 financial results.

• October 16, 2024, 7:59 PM ET leadership materiality 0.55 neutral item 5.02item 9.01

  Prosperity Bancshares enters amended employment agreement with CEO David Zalman

  Base salary of $1,092,865 per annum, effective October 15, 2024.

• July 24, 2024, 7:59 PM ET earnings materiality 0.00 neutral item 2.02item 9.01

  Prosperity Bancshares Q2 2024 results furnished; exhibit not provided in filing text

  Press release announcing Q2 2024 financial results was furnished as Exhibit 99.1.

• April 24, 2024, 7:59 PM ET earnings materiality 0.40 neutral item 2.02item 9.01 ◈ Earnings Releases

  Prosperity Bancshares announces Q1 2024 results; no specifics in filing body

  Company issued press release on April 24, 2024, for Q1 ended March 31, 2024.

Earnings & guidance

Materiality & sentiment trend

Max materiality 0.85 · Median 0.40 · Most common event earnings

5 positive 0 negative 16 neutral

source · PB on sec.gov