<?xml  version="1.0" encoding="utf-8"?>
<!-- DFIN ActiveDisclosure(SM) Inline XBRL Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date      : 2022-10-05T21:56:02.0486233+00:00 -->
<!-- Version            : 5.0.1.753 -->
<!-- Package ID         : 73ae8dafd77a4c13b385ac177fc2bfaa -->
<!-- Copyright (c) 2022 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<html xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:pb="http://www.prosperitybanktx.com/20221004" xmlns:us-types="http://fasb.org/us-types/2022" xmlns:us-gaap="http://fasb.org/us-gaap/2022" xmlns:stpr="http://xbrl.sec.gov/stpr/2022" xmlns:dtr-types="http://www.xbrl.org/dtr/type/2020-01-21" xmlns:srt-types="http://fasb.org/srt-types/2022" xmlns:srt="http://fasb.org/srt/2022" xmlns:sic="http://xbrl.sec.gov/sic/2022" xmlns:naics="http://xbrl.sec.gov/naics/2022" xmlns:exch="http://xbrl.sec.gov/exch/2022" xmlns:dei="http://xbrl.sec.gov/dei/2022" xmlns:currency="http://xbrl.sec.gov/currency/2022" xmlns:country="http://xbrl.sec.gov/country/2022" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:num="http://www.xbrl.org/dtr/type/numeric" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html" />
<title>
pb-8k_20221004.htm
</title>
</head>
<!-- NG Converter v5.0.2.73 -->
<body><div style="display:none">
	<ix:header>
		<ix:hidden>
			<ix:nonNumeric id="F_000001" name="dei:AmendmentFlag" contextRef="C_0001068851_20221004_20221004">false</ix:nonNumeric>
			<ix:nonNumeric id="F_000004" name="dei:EntityCentralIndexKey" contextRef="C_0001068851_20221004_20221004">0001068851</ix:nonNumeric>
		</ix:hidden>
		<ix:references>
			<link:schemaRef xlink:type="simple" xlink:href="pb-20221004.xsd" xlink:arcrole="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase"></link:schemaRef>
		</ix:references>
		<ix:resources>
			<xbrli:context id="C_0001068851_20221004_20221004">
				<xbrli:entity>
					<xbrli:identifier scheme="http://www.sec.gov/CIK">0001068851</xbrli:identifier>
				</xbrli:entity>
				<xbrli:period>
					<xbrli:startDate>2022-10-04</xbrli:startDate>
					<xbrli:endDate>2022-10-04</xbrli:endDate>
				</xbrli:period>
			</xbrli:context>
		</ix:resources>
	</ix:header>
</div>

<p style="text-align:center;margin-top:4pt;border-top:Solid 0.75pt;padding-top:1pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;text-indent:0%;font-size:1pt;">&#160;</p>
<p style="text-align:center;margin-top:4pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">UNITED STATES</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SECURITIES AND EXCHANGE COMMISSION</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">WASHINGTON, D.C. 20549</p>
<p style="text-align:center;margin-top:12pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-weight:bold;;font-size:1pt;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">FORM <ix:nonNumeric id="F_000000" name="dei:DocumentType" contextRef="C_0001068851_20221004_20221004">8-K</ix:nonNumeric></p>
<p style="text-align:center;margin-top:12pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-weight:bold;;font-size:1pt;">&#160;</p>
<p style="text-align:center;margin-top:12pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">CURRENT REPORT</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">PURSUANT TO SECTION 13 OR 15(d)</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">OF THE SECURITIES EXCHANGE ACT OF 1934</p>
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Date of Report (Date of earliest event reported):&#160;&#160;<ix:nonNumeric id="F_000002" name="dei:DocumentPeriodEndDate" contextRef="C_0001068851_20221004_20221004" format="ixt:datemonthdayyearen">October 4, 2022</ix:nonNumeric></p>
<p style="text-align:center;margin-top:12pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-weight:bold;;font-size:1pt;">&#160;</p>
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:24pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000003" name="dei:EntityRegistrantName" contextRef="C_0001068851_20221004_20221004">PROSPERITY BANCSHARES, INC.</ix:nonNumeric></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">(Exact name of registrant as specified in its charter)</p>
<p style="text-align:center;margin-top:12pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-weight:bold;;font-size:1pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&#160;</p>
<div style="align:left;">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;">
<tr>
<td style="width:33.33%;"></td>
<td style="width:33.33%;"></td>
<td style="width:33.33%;"></td>
</tr>
<tr>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000007" name="dei:EntityIncorporationStateCountryCode" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:stateprovnameen">Texas</ix:nonNumeric></p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000006" name="dei:EntityFileNumber" contextRef="C_0001068851_20221004_20221004">001-35388</ix:nonNumeric></p></td>
<td valign="top">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000008" name="dei:EntityTaxIdentificationNumber" contextRef="C_0001068851_20221004_20221004">74-2331986</ix:nonNumeric></p></td>
</tr>
<tr style="height:20.25pt;">
<td valign="bottom">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(State or other jurisdiction</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">of incorporation)</p></td>
<td valign="bottom">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Commission</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">File Number)</p></td>
<td valign="bottom">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(IRS Employer</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Identification No.)</p></td>
</tr>
</table></div>
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000009" name="dei:EntityAddressAddressLine1" contextRef="C_0001068851_20221004_20221004">4295 San Felipe</ix:nonNumeric></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000010" name="dei:EntityAddressCityOrTown" contextRef="C_0001068851_20221004_20221004">Houston</ix:nonNumeric>, <ix:nonNumeric id="F_000011" name="dei:EntityAddressStateOrProvince" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:stateprovnameen">Texas</ix:nonNumeric> <ix:nonNumeric id="F_000012" name="dei:EntityAddressPostalZipCode" contextRef="C_0001068851_20221004_20221004">77027</ix:nonNumeric></p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:8pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">(Address of principal executive offices including zip code)</p>
<p style="text-align:center;margin-top:9pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-family:Times New Roman;font-size:10pt;font-style:normal;text-transform:none;font-variant: normal;">Registrant's telephone number, including area code: (<ix:nonNumeric id="F_000013" name="dei:CityAreaCode" contextRef="C_0001068851_20221004_20221004">281</ix:nonNumeric>) <ix:nonNumeric id="F_000014" name="dei:LocalPhoneNumber" contextRef="C_0001068851_20221004_20221004">269-7199</ix:nonNumeric></p>
<p style="text-align:center;margin-top:12pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;margin-left:40%;margin-right:40%;text-indent:0%;font-weight:bold;;font-size:1pt;">&#160;</p>
<p style="text-align:justify;margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Check the appropriate box below if the Form&#160;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:6pt;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:4%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Segoe UI Symbol;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000015" name="dei:WrittenCommunications" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top" style="width:96%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Written communications pursuant to Rule&#160;425 under the Securities Act (17 CFR 230.425)</p></td>
</tr>
<tr>
<td valign="top" style="width:4%;">
<p style="margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Segoe UI Symbol;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000016" name="dei:SolicitingMaterial" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top" style="width:96%;">
<p style="margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Soliciting material pursuant to Rule&#160;14a-12 under the Exchange Act (17 CFR 240.14a-12)</p></td>
</tr>
<tr>
<td valign="top" style="width:4%;">
<p style="margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Segoe UI Symbol;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000017" name="dei:PreCommencementTenderOffer" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top" style="width:96%;">
<p style="margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pre-commencement communications pursuant to Rule&#160;14d-2(b) under the Exchange Act (17&#160;CFR 240.14d-2(b))</p></td>
</tr>
<tr>
<td valign="top" style="width:4%;">
<p style="margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Segoe UI Symbol;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000018" name="dei:PreCommencementIssuerTenderOffer" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></p></td>
<td valign="top" style="width:96%;">
<p style="margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pre-commencement communications pursuant to Rule&#160;13e-4(c) under the Exchange Act (17&#160;CFR 240.13e-4(c))</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:9pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:5.33%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Securities registered pursuant to Section&#160;12(b) of the Act: </p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:4pt;">&#160;</p>
<div style="align:left;">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;">
<tr>
<td valign="bottom" style="width:38%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Title of each class</span></p></td>
<td valign="bottom" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;">&#160;</p></td>
<td valign="bottom" style="width:15%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Trading Symbol(s)</span></p></td>
<td valign="bottom" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;">&#160;</p></td>
<td valign="bottom" style="width:45%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:8pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="text-decoration:underline;">Name of each exchange on which registered</span></p></td>
</tr>
<tr>
<td valign="top" style="width:38%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:9pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000019" name="dei:Security12bTitle" contextRef="C_0001068851_20221004_20221004">Common stock, par value $1.00 per share</ix:nonNumeric></p></td>
<td valign="bottom" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:9pt;">&#160;</p></td>
<td valign="bottom" style="width:15%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:9pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000020" name="dei:TradingSymbol" contextRef="C_0001068851_20221004_20221004">PB</ix:nonNumeric></p></td>
<td valign="bottom" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:9pt;">&#160;</p></td>
<td valign="bottom" style="width:45%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:9pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><ix:nonNumeric id="F_000021" name="dei:SecurityExchangeName" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric>, Inc.</p></td>
</tr>
</table></div>
<p style="margin-top:6pt;margin-bottom:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR &#167;230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR &#167;240.12b-2).</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:6pt;">&#160;</p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Emerging growth company <span style="font-family:Segoe UI Symbol;"><ix:nonNumeric id="F_000005" name="dei:EntityEmergingGrowthCompany" contextRef="C_0001068851_20221004_20221004" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></span></p>
<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:6pt;">&#160;</p>
<p style="text-align:justify;margin-bottom:3pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.&#160;&#160;<span style="font-family:Segoe UI Symbol;">&#9744;</span></p>
<p style="text-align:center;margin-top:12pt;border-top:Solid 0.75pt;padding-top:1pt;border-bottom:Solid 0.75pt;padding-bottom:1pt;margin-bottom:0pt;text-indent:0%;font-size:1pt;">&#160;</p>
<hr style="page-break-after:always" />
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&#160;</p>
<p style="text-align:justify;margin-bottom:8pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 5.02 Departure of Directors or Certain Officers&#59; Election of Directors&#59; Appointment of Certain Officers&#59; Compensatory Arrangements of Certain Officers.</p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-style:italic;font-size:11pt;font-family:Times New Roman;font-weight:normal;text-transform:none;font-variant: normal;">Resignation of Directors</p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">On October 4, 2022, the Board of Directors (the &#8220;Board&#8221;) of Prosperity Bancshares, Inc. (the &#8220;Company&#8221;) received written notification from each of Bruce W. Hunt and George A. Fisk, directors of the Company, that each will resign as a director of the Company effective as of the close of business on October 5, 2022.&#160;&#160;Neither Mr.&#160;Hunt&#8217;s nor Mr.&#160;Fisk&#8217;s decision to resign from the Board was a result of any dispute or disagreement with the Company on any matter relating to its operations, policies or practices.</p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-style:italic;font-size:11pt;font-family:Times New Roman;font-weight:normal;text-transform:none;font-variant: normal;">Appointment of Directors</p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">On October 5, 2022, the Board, upon recommendation of the Nominating and Corporate Governance Committee of the Board, voted to appoint Dr. Laura Murillo as a Class II Director to fill the vacancy created by Mr. Hunt&#8217;s resignation and Ileana Blanco as a Class III Director to fill the vacancy created by Mr. Fisk&#8217;s resignation, effective as of the close of business on October 5, 2022. Each of Dr.&#160;Murillo and Ms. Blanco will serve until the Company&#8217;s 2023 Annual Meeting of Shareholders. Ms. Blanco has been appointed to serve on the Compensation Committee of the Board.&#160;&#160; Dr. Murillo has not been appointed to serve on any committee of the Board at this time.&#160;&#160;Each of Dr. Murillo and Ms. Blanco will receive fees consistent with those fees received by the existing directors for service as a director of the Company as described in the Company&#8217;s most recent proxy statement, filed with the Securities and Exchange Commission on March 14, 2022.</p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">There are no arrangements or understandings between Dr.&#160;Murillo or Ms. Blanco and any other persons pursuant to which either was appointed to the Board. There are also no family relationships between Dr.&#160;Murillo or Ms. Blanco and any director or executive officer of the Company and neither has any direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.</p>
<p style="text-align:justify;margin-bottom:12pt;margin-top:0pt;text-indent:0%;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">A copy of the Company&#8217;s press release announcing the resignation of Messrs. Fisk and Hunt and the appointment of Dr. Murillo and Ms. Blanco to the Board is attached hereto as Exhibit 99.1, and the information contained therein is incorporated herein by reference.</p>
<p style="text-align:justify;margin-top:18pt;margin-bottom:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">Item 9.01 Financial Statements and Exhibits.</p>
<div style="align:left;">
<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:4.54%;white-space:nowrap">
<p style="margin-top:6pt;margin-bottom:0pt;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><span style="font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(d)</span></p></td>
<td valign="top">
<p style="margin-top:6pt;margin-bottom:0pt;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;font-family:Times New Roman;font-size:11pt;">Exhibits. The following is furnished as an exhibit to this Current Report on Form 8-K:</p></td></tr></table></div>
<p style="margin-top:2pt;margin-bottom:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="bottom" style="width:6%; border-bottom:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Exhibit</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Number</p></td>
<td valign="bottom" style="width:0.84%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:93.16%; border-bottom:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Description of Exhibit</p></td>
</tr>
<tr style="height:22.3pt;">
<td valign="bottom" style="width:6%; border-top:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:6pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">99.1</p></td>
<td valign="bottom" style="width:0.84%;">
<p style="margin-top:6pt;margin-bottom:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:93.16%; border-top:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:6pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;"><a href="pb-ex991_10.htm"><span style="text-decoration:underline;">Press Release issued by Prosperity Bancshares, Inc. dated October 6, 2022.</span></a></p></td>
</tr>
<tr style="height:22.5pt;">
<td valign="bottom" style="width:6%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">104</p></td>
<td valign="bottom" style="width:0.84%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="bottom" style="width:93.16%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Cover Page Interactive Data File (embedded within the Inline XBRL document).</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&#160;</p>
<hr style="page-break-after:always" />
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&#160;</p>
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:11pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">SIGNATURES</p>
<p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:4.54%;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<div>
<table border="0" cellspacing="0" cellpadding="0" style="margin:auto;border-collapse:collapse; width:100%;">
<tr>
<td valign="top" style="width:49%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td colspan="2" valign="top" style="width:5%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">PROSPERITY BANCSHARES, INC.</p>
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">(Registrant)</p></td>
</tr>
<tr>
<td valign="top" style="width:49%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td colspan="2" valign="top" style="width:5%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
</tr>
<tr>
<td valign="top" style="width:49%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Dated: October 6, 2022</p></td>
<td valign="top" style="width:1%; border-bottom:solid 0.75pt transparent;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:5%; border-bottom:solid 0.75pt transparent;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">By:</p></td>
<td valign="top" style="width:45%; border-bottom:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">/s/ Charlotte M. Rasche&#160;</p></td>
</tr>
<tr>
<td valign="top" style="width:49%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:5%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:45%; border-top:solid 0.75pt #000000;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Charlotte M. Rasche</p></td>
</tr>
<tr>
<td valign="top" style="width:49%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:1%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:5%;">
<p style="text-align:center;margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;">&#160;</p></td>
<td valign="top" style="width:45%;">
<p style="margin-bottom:0pt;margin-top:0pt;margin-left:0pt;;text-indent:0pt;;font-size:11pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">Executive Vice President and General Counsel</p></td>
</tr>
</table></div>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:11pt;">&#160;</p>
<p style="margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;">&#160;</p></body>
</html>
[{"type": "8-K", "sequence": "1", "filename": "pb-8k_20221004.htm", "description": "8-K", "secsgml_size_bytes": 34152}]
{"company-data": {"conformed-name": "PROSPERITY BANCSHARES INC", "cik": "0001068851", "assigned-sic": "6022", "irs-number": "742331986", "state-of-incorporation": "TX", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-35388", "film-number": "221297101"}, "business-address": {"street1": "4295 SAN FELIPE", "street2": "N/A", "city": "HOUSTON", "state": "TX", "zip": "77027", "phone": "7136939300"}, "mail-address": {"street1": "4295 SAN FELIPE", "city": "HOUSTON", "state": "TX", "zip": "77027"}}
pb-8k_20221004.htm
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d)
OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported):
October 4, 2022
PROSPERITY BANCSHARES, INC.
(Exact name of registrant as specified in its charter)
Texas
001-35388
74-2331986
(State or other jurisdiction
of incorporation)
(Commission
File Number)
(IRS Employer
Identification No.)
4295 San Felipe
Houston
,
Texas
77027
(Address of principal executive offices including zip code)
Registrant's telephone number, including area code: (
281
)
269-7199
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
☐
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which registered
Common stock, par value $1.00 per share
PB
New York Stock Exchange
, Inc.
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).
Emerging growth company
☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
☐
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
Resignation of Directors
On October 4, 2022, the Board of Directors (the "Board") of Prosperity Bancshares, Inc. (the "Company") received written notification from each of Bruce W. Hunt and George A. Fisk, directors of the Company, that each will resign as a director of the Company effective as of the close of business on October 5, 2022.  Neither Mr. Hunt's nor Mr. Fisk's decision to resign from the Board was a result of any dispute or disagreement with the Company on any matter relating to its operations, policies or practices.
Appointment of Directors
On October 5, 2022, the Board, upon recommendation of the Nominating and Corporate Governance Committee of the Board, voted to appoint Dr. Laura Murillo as a Class II Director to fill the vacancy created by Mr. Hunt's resignation and Ileana Blanco as a Class III Director to fill the vacancy created by Mr. Fisk's resignation, effective as of the close of business on October 5, 2022. Each of Dr. Murillo and Ms. Blanco will serve until the Company's 2023 Annual Meeting of Shareholders. Ms. Blanco has been appointed to serve on the Compensation Committee of the Board.   Dr. Murillo has not been appointed to serve on any committee of the Board at this time.  Each of Dr. Murillo and Ms. Blanco will receive fees consistent with those fees received by the existing directors for service as a director of the Company as described in the Company's most recent proxy statement, filed with the Securities and Exchange Commission on March 14, 2022.
There are no arrangements or understandings between Dr. Murillo or Ms. Blanco and any other persons pursuant to which either was appointed to the Board. There are also no family relationships between Dr. Murillo or Ms. Blanco and any director or executive officer of the Company and neither has any direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.
A copy of the Company's press release announcing the resignation of Messrs. Fisk and Hunt and the appointment of Dr. Murillo and Ms. Blanco to the Board is attached hereto as Exhibit 99.1, and the information contained therein is incorporated herein by reference.
Item 9.01 Financial Statements and Exhibits.
(d)
Exhibits. The following is furnished as an exhibit to this Current Report on Form 8-K:
Exhibit
Number
Description of Exhibit
99.1
Press Release issued by Prosperity Bancshares, Inc. dated October 6, 2022.
104
Cover Page Interactive Data File (embedded within the Inline XBRL document).
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
PROSPERITY BANCSHARES, INC.
(Registrant)
Dated: October 6, 2022
By:
/s/ Charlotte M. Rasche
Charlotte M. Rasche
Executive Vice President and General Counsel