Rasche Charlotte M 4

What Happened
Charlotte M. Rasche, EVP and General Counsel of Prosperity Bancshares, received 950 shares of Prosperity common stock on July 1, 2026. The filing lists the transaction as an award/acquisition (code A) with no per-share price shown (N/A). The shares were issued in connection with the closing of Prosperity’s merger with Stellar Bancorp; the filing also notes 88 shares were acquired through Prosperity’s 401(k) plan since the last filing.

Key Details

• Transaction date: 2026-07-01 (Effective Time of the merger)
• Transaction type/code: Award/Acquisition (A) — grant/conversion via merger; price reported as N/A, total value not specified in the Form 4.
• Shares received: 950 Prosperity common shares reported as acquired.
• Shares owned after transaction: Not specified in the filing.
• Footnotes: (F1) These shares arose from the merger consideration under the Agreement and Plan of Merger between Prosperity and Stellar — Stellar common shares and restricted stock awards were converted at closing. (F2) Includes 88 shares acquired through Prosperity’s 401(k) plan since the last filing.
• Timeliness: Filing reports the 2026-07-01 transaction in a report dated 2026-07-01; no late-filing flag is indicated.

Context
Per the merger terms (footnote F1), each Stellar share outstanding at closing was converted into (a) 0.3803 shares of Prosperity common stock and (b) $11.36 in cash; restricted Stellar awards subject only to service-based vesting vested and converted into the same per-share merger consideration. This was a corporate merger conversion (a routine corporate action), not an open-market purchase or sale by the insider—such issuances typically reflect deal mechanics rather than an insider expressing a buy/sell view.