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Public-Company Data

Prosperity Bank: SEC Filings

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Prosperity Bank (or its holding company) is an SEC registrant. Ticker PB. CIK 1068851. Filings and disclosures below link to the original documents on SEC EDGAR. View all filings on EDGAR →

Recent SEC filings

Filed Form Accession Files EDGAR
Aug 31, 2026 Other 0001193125-26-376886 14 Open →
Aug 6, 2026 10-Q 0001193125-26-338254 85 Open →
Jul 29, 2026 8-K 0001193125-26-322053 14 Open →
Jul 1, 2026 8-K 0001193125-26-291486 17 Open →
May 11, 2026 10-Q 0001193125-26-215187 0 Open →
Apr 30, 2026 Other 0001193125-26-193743 4 Open →
Apr 29, 2026 8-K 0001193125-26-188851 14 Open →
Apr 29, 2026 Other 0001193125-26-188877 6 Open →
Apr 23, 2026 8-K 0001193125-26-171838 12 Open →
Apr 22, 2026 Other 0001193125-26-170819 7 Open →
Apr 22, 2026 8-K 0001193125-26-168540 15 Open →
Apr 17, 2026 Other 0001193125-26-161751 22 Open →
Apr 17, 2026 Other 0001193125-26-161774 5 Open →
Apr 13, 2026 Other 0000000000-26-003682 5 Open →
Apr 3, 2026 Other 0001193125-26-142192 24 Open →
Feb 26, 2026 10-K 0001193125-26-077437 131 Open →
Feb 2, 2026 8-K 0001193125-26-033776 14 Open →
Jan 29, 2026 8-K 0001193125-26-028154 17 Open →
Jan 29, 2026 Other 0001193125-26-028157 4 Open →
Jan 29, 2026 Other 0001193125-26-029112 4 Open →
Jan 28, 2026 8-K 0001193125-26-025602 36 Open →
Jan 28, 2026 Other 0001193125-26-025613 6 Open →
Jan 28, 2026 8-K 0001193125-26-025609 14 Open →
Jan 28, 2026 Other 0001193125-26-025604 24 Open →
Jan 2, 2026 8-K 0001193125-26-001005 14 Open →
Dec 16, 2025 Other 0001193125-25-320082 19 Open →
Dec 1, 2025 Other 0001193125-25-304077 23 Open →
Nov 7, 2025 10-Q 0001193125-25-270362 0 Open →
Oct 30, 2025 Other 0001193125-25-257292 4 Open →
Oct 30, 2025 Other 0001193125-25-257301 4 Open →
Oct 29, 2025 8-K 0001193125-25-254568 14 Open →
Oct 29, 2025 Other 0001193125-25-254578 6 Open →
Oct 1, 2025 Other 0001193125-25-225806 21 Open →
Oct 1, 2025 8-K 0001193125-25-225797 29 Open →
Sep 30, 2025 Other 0001193125-25-224055 19 Open →
Sep 30, 2025 Other 0001193125-25-224060 5 Open →
Sep 24, 2025 Other 0000000000-25-010442 5 Open →
Sep 17, 2025 Other 0001193125-25-206273 22 Open →
Aug 7, 2025 10-Q 0000950170-25-104932 0 Open →
Jul 24, 2025 Other 0000950170-25-098311 4 Open →

8-K material events

Date Item Disclosure EDGAR
Jul 29, 2026 2.02 Results of Operations and Financial Condition Open →
Jul 29, 2026 9.01 Financial Statements and Exhibits Open →
Jul 1, 2026 2.01 Completion of Acquisition or Disposition of Assets Open →
Jul 1, 2026 2.03 Creation of a Direct Financial Obligation Open →
Jul 1, 2026 5.02 Departure/Election of Directors or Officers; Compensation Open →
Jul 1, 2026 8.01 Other Events Open →
Jul 1, 2026 9.01 Financial Statements and Exhibits Open →
Apr 29, 2026 2.02 Results of Operations and Financial Condition Open →
Apr 29, 2026 9.01 Financial Statements and Exhibits Open →
Apr 23, 2026 5.07 Submission of Matters to a Vote of Security Holders Open →
Apr 22, 2026 8.01 Other Events Open →
Apr 22, 2026 9.01 Financial Statements and Exhibits Open →
Feb 2, 2026 8.01 Other Events Open →
Feb 2, 2026 9.01 Financial Statements and Exhibits Open →
Jan 29, 2026 1.01 Entry into a Material Definitive Agreement Open →
Jan 29, 2026 9.01 Financial Statements and Exhibits Open →
Jan 28, 2026 7.01 Regulation FD Disclosure Open →
Jan 28, 2026 9.01 Financial Statements and Exhibits Open →
Jan 28, 2026 2.02 Results of Operations and Financial Condition Open →
Jan 28, 2026 9.01 Financial Statements and Exhibits Open →
Jan 2, 2026 8.01 Other Events Open →
Jan 2, 2026 9.01 Financial Statements and Exhibits Open →
Oct 29, 2025 2.02 Results of Operations and Financial Condition Open →
Oct 29, 2025 9.01 Financial Statements and Exhibits Open →
Oct 1, 2025 7.01 Regulation FD Disclosure Open →
Oct 1, 2025 8.01 Other Events Open →
Oct 1, 2025 9.01 Financial Statements and Exhibits Open →
Jul 23, 2025 2.02 Results of Operations and Financial Condition Open →
Jul 23, 2025 9.01 Financial Statements and Exhibits Open →
Jul 18, 2025 7.01 Regulation FD Disclosure Open →

Officers & insiders

Named officers from the latest SEC Form 3/4/5 filings at the holding-company level.

Name Title / role As of
Rasche Charlotte M EVP and General Counsel Jul 2026
Osmonov Asylbek CFO Dec 2025
TIMANUS H E JR Chairman Dec 2025
Hanigan Kevin J President & COO Dec 2025
Hanigan Kevin J President & COO Dec 2025
ZALMAN DAVID Senior Chairman & CEO Dec 2025

M&A activity

From SEC filings (Forms 8-K, 425, S-4 and others) and Federal Reserve NIC structure records.

Date Type Role Source
Jul 1, 2026 Merger Registrant Federal Reserve NIC
Jul 1, 2026 Merger completed Registrant SEC Form 8-K
Apr 30, 2026 Merger communication Registrant SEC Form 425
Apr 29, 2026 Merger communication Registrant SEC Form 425
Apr 22, 2026 Merger communication Registrant SEC Form 425
Apr 17, 2026 Merger registration statement Registrant SEC Form S-4/A
Apr 3, 2026 Merger registration statement Registrant SEC Form S-4
Feb 1, 2026 Merger Registrant Federal Reserve NIC
Jan 29, 2026 Merger communication Registrant SEC Form 425
Jan 29, 2026 Merger communication Registrant SEC Form 425
Jan 29, 2026 Merger announcement Registrant SEC Form 8-K
Jan 28, 2026 Merger communication Registrant SEC Form 425
Jan 28, 2026 Merger communication Registrant SEC Form 425
Jan 1, 2026 Merger Registrant Federal Reserve NIC
Dec 16, 2025 Merger registration statement Registrant SEC Form S-4/A
Dec 1, 2025 Merger registration statement Registrant SEC Form S-4
Oct 30, 2025 Merger communication Registrant SEC Form 425
Oct 30, 2025 Merger communication Registrant SEC Form 425
Oct 29, 2025 Merger communication Registrant SEC Form 425
Oct 1, 2025 Merger communication Registrant SEC Form 425

About this data

Filings, 8-K events, officer lists and M&A activity are sourced from SEC EDGAR and, for some M&A events, Federal Reserve NIC records. SEC disclosures are filed by the publicly-traded holding company, so officer and material-event data reflect the parent registrant. For the bank's regulatory financials, see its full profile and safety analysis.