secwatch.observer — SEC 8-K summary ====================================== Issuer: PROSPERITY BANCSHARES INC (PB) CIK: 0001068851 Form: 8-K Filed at: 2026-04-22T23:59:59+00:00 Accession: 0001193125-26-168540 Event type: m_and_a Sentiment: positive Materiality: 0.70 Item codes: 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 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. - Stellar shareholder meeting scheduled for May 27, 2026, to vote on merger. - Merger expected to close on or about July 1, 2026, subject to shareholder approval and other conditions. - Prosperity's S-4 registration statement declared effective April 21; proxy mailed April 23, 2026. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1068851/000119312526168540/0001193125-26-168540-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1068851/000119312526168540/pb-20260422.htm HTML page: https://secwatch.observer/filing/0001193125-26-168540 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer