<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>SEC FORM 
            4</title>
<style type="text/css">
              .FormData {color: blue; background-color: white; font-size: small; font-family: Times, serif;}
              .FormDataC {color: blue; background-color: white; font-size: small; font-family: Times, serif; text-align: center;}
              .FormDataR {color: blue; background-color: white; font-size: small; font-family: Times, serif; text-align: right;}
              .SmallFormData {color: blue; background-color: white; font-size: x-small; font-family: Times, serif;}
              .FootnoteData {color: green; background-color: white; font-size: x-small; font-family: Times, serif;}
              .FormNumText {font-size: small; font-weight: bold; font-family: arial, helvetica, sans-serif;}
              .FormAttention {font-size: medium; font-weight: bold; font-family: helvetica;}
              .FormText {font-size: small; font-weight: normal; font-family: arial, helvetica, sans-serif; text-align: left;}
              .FormTextR {font-size: small; font-weight: normal; font-family: arial, helvetica, sans-serif; text-align: right;}
              .FormTextC {font-size: small; font-weight: normal; font-family: arial, helvetica, sans-serif; text-align: center;}
              .FormEMText {font-size: medium; font-style: italic; font-weight: normal; font-family: arial, helvetica, sans-serif;}
              .FormULText {font-size: medium; text-decoration: underline; font-weight: normal; font-family: arial, helvetica, sans-serif;}
              .SmallFormText {font-size: xx-small; font-family: arial, helvetica, sans-serif; text-align: left;}
              .SmallFormTextR {font-size: xx-small; font-family: arial, helvetica, sans-serif; text-align: right;}
              .SmallFormTextC {font-size: xx-small; font-family: arial, helvetica, sans-serif; text-align: center;}
              .MedSmallFormText {font-size: x-small; font-family: arial, helvetica, sans-serif; text-align: left;}
              .FormTitle {font-size: medium; font-family: arial, helvetica, sans-serif; font-weight: bold;}
              .FormTitle1 {font-size: small; font-family: arial, helvetica, sans-serif; font-weight: bold; border-top: black thick solid;}
              .FormTitle2 {font-size: small; font-family: arial, helvetica, sans-serif; font-weight: bold;}
              .FormTitle3 {font-size: small; font-family: arial, helvetica, sans-serif; font-weight: bold; padding-top: 2em; padding-bottom: 1em;}
              .SectionTitle {font-size: small; text-align: left; font-family: arial, helvetica, sans-serif; 
              		font-weight: bold; border-top: gray thin solid; border-bottom: gray thin solid;}
              .FormName {font-size: large; font-family: arial, helvetica, sans-serif; font-weight: bold;}
              .CheckBox {text-align: center; width: 5px; cell-spacing: 0; padding: 0 3 0 3; border-width: thin; border-style: solid;  border-color: black:}
              body {background: white;}
      </style>
</head>
<body>SEC Form 4 
   <table width="100%" border="0" cellspacing="0" cellpadding="4">
<tr>
<td width="20%" colspan="2" valign="top" align="center" class="FormName">FORM 4</td>
<td rowspan="2" width="60%" valign="middle" align="center">
<span class="FormTitle">UNITED STATES SECURITIES AND EXCHANGE COMMISSION</span><br><span class="MedSmallFormText">Washington, D.C. 20549</span><br><br><span class="FormTitle">STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP</span><br><br><span class="MedSmallFormText">Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934</span><br><span class="MedSmallFormText">or Section 30(h) of the Investment Company Act of 1940</span>
</td>
<td rowspan="2" width="20%" valign="top" align="center"><table width="100%" border="1" summary="OMB Approval Status Box">
<tr><td class="FormTextC">OMB APPROVAL</td></tr>
<tr><td><table width="100%" border="0" summary="OMB Interior Box">
<tr>
<td class="SmallFormText" colspan="3">OMB Number:</td>
<td class="SmallFormTextR">3235-0287</td>
</tr>
<tr><td class="SmallFormText" colspan="4">Estimated average burden</td></tr>
<tr>
<td class="SmallFormText" colspan="3">hours per response:</td>
<td class="SmallFormTextR">0.5</td>
</tr>
</table></td></tr>
</table></td>
</tr>
<tr valign="middle">
<td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>  </td></tr></table></td>
<td class="SmallFormText">Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. 
         <i>See</i>

         Instruction 1(b).</td>
</tr>
<tr valign="middle">
<td><table width="100%" border="1" cellpadding="0" cellspacing="0"><tr><td>  </td></tr></table></td>
<td class="SmallFormText">Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10. </td>
</tr>
</table>
<table width="100%" border="1" cellspacing="0" cellpadding="4">
<tr>
<td rowspan="4" width="35%" valign="top">
<span class="MedSmallFormText">1. Name and Address of Reporting Person<sup>*</sup></span><table border="0" width="100%"><tr><td><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0002048383">Sehmi Harminder</a></td></tr></table>
<hr width="98%">
<table border="0" width="100%"><tr>
<td width="33%" class="MedSmallFormText">(Last)</td>
<td width="33%" class="MedSmallFormText">(First)</td>
<td width="33%" class="MedSmallFormText">(Middle)</td>
</tr></table>
<table border="0" width="100%">
<tr><td><span class="FormData">C/O BLAIZE HOLDINGS, INC.</span></td></tr>
<tr><td><span class="FormData">4659 GOLDEN FOOTHILL PARKWAY, SUITE 206</span></td></tr>
</table>
<hr width="98%">
<span class="MedSmallFormText">(Street)</span><table border="0" width="100%"><tr>
<td width="33%"><span class="FormData">EL DORADO HILLS</span></td>
<td width="33%"><span class="FormData">CA</span></td>
<td width="33%"><span class="FormData">95762</span></td>
</tr></table>
<hr width="98%">
<table border="0" width="100%"><tr>
<td width="33%" class="MedSmallFormText">(City)</td>
<td width="33%" class="MedSmallFormText">(State)</td>
<td width="33%" class="MedSmallFormText">(Zip)</td>
</tr></table>
</td>
<td width="35%" valign="top">
<span class="MedSmallFormText">2. Issuer Name <b>and</b> Ticker or Trading Symbol
      </span><br><a href="/cgi-bin/browse-edgar?action=getcompany&amp;CIK=0001871638">Blaize Holdings, Inc.</a>
     [ <span class="FormData">BZAI</span> ]
   </td>
<td rowspan="2" valign="top">
<span class="MedSmallFormText">5. Relationship of Reporting Person(s) to Issuer
      </span><br><span class="MedSmallFormText">(Check all applicable)</span><table border="0" width="100%">
<tr>
<td width="15%" align="center"></td>
<td width="35%" class="MedSmallFormText">Director</td>
<td width="15%" align="center"></td>
<td width="35%" class="MedSmallFormText">10% Owner</td>
</tr>
<tr>
<td align="center"><span class="FormData">X</span></td>
<td class="MedSmallFormText">Officer (give title below)</td>
<td align="center"></td>
<td class="MedSmallFormText">Other (specify below)</td>
</tr>
<tr>
<td width="15%" align="center"></td>
<td width="35%" align="left" style="color: blue">Chief Financial Officer</td>
<td width="15%" align="center"></td>
<td width="35%" align="left" style="color: blue"></td>
</tr>
</table>
</td>
</tr>
<tr><td valign="top">
<span class="MedSmallFormText">3. Date of Earliest Transaction
         (Month/Day/Year)</span><br><span class="FormData">01/13/2025</span>
</td></tr>
<tr>
<td valign="top">
<span class="MedSmallFormText">4. If Amendment, Date of Original Filed
         (Month/Day/Year)</span><br>
</td>
<td valign="top">
<span class="MedSmallFormText">6. Individual or Joint/Group Filing (Check Applicable Line)
      </span><table border="0" width="100%">
<tr>
<td width="15%" align="center"><span class="FormData">X</span></td>
<td width="85%" class="MedSmallFormText">Form filed by One Reporting Person</td>
</tr>
<tr>
<td width="15%" align="center"></td>
<td width="85%" class="MedSmallFormText">Form filed by More than One Reporting Person</td>
</tr>
</table>
</td>
</tr>
</table>
<table width="100%" border="1" cellspacing="0" cellpadding="4">
<thead>
<tr><th width="100%" valign="top" colspan="11" align="center" class="FormTextC"><b>Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned</b></th></tr>
<tr>
<th width="36%" valign="top" rowspan="2" align="left" class="MedSmallFormText">1. Title of Security (Instr. 
      3)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Transaction Date
      (Month/Day/Year)</th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2A. Deemed Execution Date, if any
      (Month/Day/Year)</th>
<th width="7%" valign="top" colspan="2" align="left" class="SmallFormText">3. Transaction Code (Instr. 
      8)
   </th>
<th width="19%" valign="top" colspan="3" align="left" class="SmallFormText">4. Securities Acquired (A) or Disposed Of (D) (Instr. 
      3, 4 and 5)
   </th>
<th width="11%" valign="top" rowspan="2" align="left" class="SmallFormText">5. 
      Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      3 and 4)
   </th>
<th width="9%" valign="top" rowspan="2" align="left" class="SmallFormText">6. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th>
<th width="8%" valign="top" rowspan="2" align="left" class="SmallFormText">7. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th>
</tr>
<tr>
<th width="4%" align="center" class="SmallFormText">Code</th>
<th width="3%" align="center" class="SmallFormText">V</th>
<th width="8%" align="center" class="SmallFormText">Amount</th>
<th width="5%" align="center" class="SmallFormText">(A) or (D)</th>
<th width="6%" align="center" class="SmallFormText">Price</th>
</tr>
</thead>
<tbody><tr>
<td align="left"><span class="FormData">Common Stock</span></td>
<td align="center"><span class="FormData">01/13/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">A</span><span class="FootnoteData"><sup>(1)</sup></span>
</td>
<td align="center"></td>
<td align="center"><span class="FormData">212,155</span></td>
<td align="center"><span class="FormData">A</span></td>
<td align="center"><span class="FootnoteData"><sup>(1)</sup></span></td>
<td align="center"><span class="FormData">212,155</span></td>
<td align="center"><span class="FormData">D</span></td>
<td align="left"></td>
</tr></tbody>
</table>
<table width="100%" border="1" cellspacing="0" cellpadding="4">
<thead>
<tr><th width="100%" valign="top" colspan="16" align="center" class="FormTextC">
<b>Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned</b><br><b>(e.g., puts, calls, warrants, options, convertible securities)</b>
</th></tr>
<tr>
<th width="13%" valign="top" rowspan="2" align="left" class="SmallFormText">1. Title of Derivative Security (Instr. 
      3)
   </th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">2. Conversion or Exercise Price of Derivative Security
   </th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3. Transaction Date
      (Month/Day/Year)</th>
<th width="5%" valign="top" rowspan="2" align="left" class="SmallFormText">3A. Deemed Execution Date, if any
      (Month/Day/Year)</th>
<th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">4. Transaction Code (Instr. 
      8)
   </th>
<th width="10%" valign="top" colspan="2" align="left" class="SmallFormText">5. 
      Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 
      3, 4 and 5)
   </th>
<th width="9%" valign="top" colspan="2" align="left" class="SmallFormText">6. Date Exercisable and Expiration Date 
      (Month/Day/Year)</th>
<th width="17%" valign="top" colspan="2" align="left" class="SmallFormText">7. Title and Amount of Securities Underlying Derivative Security (Instr. 
      3 and 4)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">8. Price of Derivative Security (Instr. 
      5)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">9. 
      Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 
      4)
   </th>
<th width="6%" valign="top" rowspan="2" align="left" class="SmallFormText">10. Ownership Form: Direct (D) or Indirect (I) (Instr. 
      4)
   </th>
<th width="7%" valign="top" rowspan="2" align="left" class="SmallFormText">11. Nature of Indirect Beneficial Ownership (Instr. 
      4)
   </th>
</tr>
<tr>
<th width="4%" valign="bottom" align="center" class="SmallFormText">Code</th>
<th width="4%" valign="bottom" align="center" class="SmallFormText">V</th>
<th width="5%" valign="bottom" align="center" class="SmallFormText">(A)</th>
<th width="5%" valign="bottom" align="center" class="SmallFormText">(D)</th>
<th width="5%" valign="bottom" align="center" class="SmallFormText">Date Exercisable</th>
<th width="4%" valign="bottom" align="center" class="SmallFormText">Expiration Date</th>
<th width="10%" valign="bottom" align="center" class="SmallFormText">Title</th>
<th width="7%" valign="bottom" align="center" class="SmallFormText">Amount or Number of Shares</th>
</tr>
</thead>
<tbody>
<tr>
<td align="left"><span class="SmallFormData">Stock Option</span></td>
<td align="center">
<span class="SmallFormText">$</span><span class="SmallFormData">14.62</span>
</td>
<td align="center"><span class="SmallFormData">01/13/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">A</span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center"></td>
<td align="center"><span class="SmallFormData">29,436</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(3)</sup></span>
</td>
<td align="center"><span class="SmallFormData">10/17/2029</span></td>
<td align="center"><span class="SmallFormData">Common Stock</span></td>
<td align="center"><span class="FormData">29,436</span></td>
<td align="center"><span class="FootnoteData"><sup>(2)</sup></span></td>
<td align="center"><span class="SmallFormData">29,436</span></td>
<td align="center"><span class="SmallFormData">D</span></td>
<td align="left"></td>
</tr>
<tr>
<td align="left"><span class="SmallFormData">Stock Option</span></td>
<td align="center">
<span class="SmallFormText">$</span><span class="SmallFormData">0.57</span>
</td>
<td align="center"><span class="SmallFormData">01/13/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">A</span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center"></td>
<td align="center"><span class="SmallFormData">774,236</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(4)</sup></span>
</td>
<td align="center"><span class="SmallFormData">09/18/2033</span></td>
<td align="center"><span class="SmallFormData">Common Stock</span></td>
<td align="center"><span class="FormData">774,236</span></td>
<td align="center"><span class="FootnoteData"><sup>(2)</sup></span></td>
<td align="center"><span class="SmallFormData">774,236</span></td>
<td align="center"><span class="SmallFormData">D</span></td>
<td align="left"></td>
</tr>
<tr>
<td align="left"><span class="SmallFormData">Stock Option</span></td>
<td align="center">
<span class="SmallFormText">$</span><span class="SmallFormData">1.18</span>
</td>
<td align="center"><span class="SmallFormData">01/13/2025</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">A</span><span class="FootnoteData"><sup>(2)</sup></span>
</td>
<td align="center"></td>
<td align="center"><span class="SmallFormData">862,915</span></td>
<td align="center"></td>
<td align="center">
<span class="SmallFormData">
                
            </span><span class="FootnoteData"><sup>(5)</sup></span>
</td>
<td align="center"><span class="SmallFormData">10/23/2034</span></td>
<td align="center"><span class="SmallFormData">Common Stock</span></td>
<td align="center"><span class="FormData">862,915</span></td>
<td align="center"><span class="FootnoteData"><sup>(2)</sup></span></td>
<td align="center"><span class="SmallFormData">862,915</span></td>
<td align="center"><span class="SmallFormData">D</span></td>
<td align="left"></td>
</tr>
</tbody>
</table>
<table border="0" width="100%">
<tr><td class="MedSmallFormText"><b>Explanation of Responses:</b></td></tr>
<tr><td class="FootnoteData">1. Represents Earn-Out Shares, each of which represents a contingent right to receive one share of Common Stock if the trading price of the Issuer's Common Stock exceeds certain thresholds for 20 of 30 consecutive trading days post-closing of the Issuer's business combination.</td></tr>
<tr><td class="FootnoteData">2. Represents securities received as part of the Issuer's business combination, in connection with that certain Agreement and Plan of Merger, dated as of December 22, 2023 and amended on April 22, 2024, October 24, 2024 and November 21, 2024 (the "Merger Agreement"), by and between the Issuer (formerly BurTech Acquisition Corp.), BurTech Merger Sub Inc., Blaize, Inc. ("Legacy Blaize") and for the limited purposes set forth therein, Burkhan Capital LLC, pursuant to which securities of Legacy Blaize were automatically converted into the right to receive stock options of the Issuer as set forth in the Merger Agreement.</td></tr>
<tr><td class="FootnoteData">3. The stock option is fully vested and exercisable.</td></tr>
<tr><td class="FootnoteData">4. The stock option vests in 36 substantially equal monthly installments beginning on October 19, 2023.</td></tr>
<tr><td class="FootnoteData">5. The stock option vests as to one third of the underlying shares on July 1, 2025, and thereafter in 24 equal monthly installments.</td></tr>
</table>
<table width="100%" border="0">
<tr>
<td width="60%"></td>
<td width="20%"><u><span class="FormData">/s/ Harminder Sehmi</span></u></td>
<td width="20%"><u><span class="FormData">01/15/2025</span></u></td>
</tr>
<tr>
<td></td>
<td class="MedSmallFormText">** Signature of Reporting Person</td>
<td class="MedSmallFormText">Date</td>
</tr>
<tr><td colspan="3" class="MedSmallFormText">Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.</td></tr>
<tr><td colspan="3" class="MedSmallFormText">* If the form is filed by more than one reporting person, 
                  <i>see</i>

                  Instruction 
                  4

                  (b)(v).</td></tr>
<tr><td colspan="3" class="MedSmallFormText">** Intentional misstatements or omissions of facts constitute Federal Criminal Violations 
                  <i>See</i>

                  18 U.S.C. 1001 and 15 U.S.C. 78ff(a).</td></tr>
<tr><td colspan="3" class="MedSmallFormText">Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, 
                  <i>see</i>

                  Instruction 6 for procedure.</td></tr>
<tr><td colspan="3" class="MedSmallFormText"><b>Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.</b></td></tr>
</table>
</body>
</html>
