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            4</title><style type="text/css">
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      </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=0001400308">Bloch Stephen M</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">419 DAVIS DRIVE, SUITE 100</span></td></tr><tr><td><span class="FormData"></span></td></tr></table><hr width="98%"><span class="MedSmallFormText">(Street)</span><table border="0" width="100%"><tr><td width="33%"><span class="FormData">MORRISVILLE</span></td><td width="33%"><span class="FormData">
				NORTH CAROLINA
			</span></td><td width="33%"><span class="FormData">27560</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><hr width="98%"><table border="0" width="100%"><tr><td width="33%" colspen="3"><span class="FormData">UNITED STATES</span></td></tr></table><hr width="98%"><span class="MedSmallFormText">(Country)</span></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=0001819576">Liquidia Corp</a>
     [ <span class="FormData">LQDA</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"><span class="FormData">X</span></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"></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"></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">2a. Foreign Trading Symbol
		 <br></span></td></tr><tr><td valign="top"><span class="MedSmallFormText">3. Date of Earliest Transaction
         (Month/Day/Year)</span><br><span class="FormData">07/22/2026</span></td><td valign="top" rowspan="2"><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><tr><td valign="top" rowspan="1"><span class="MedSmallFormText">4. If Amendment, Date of Original Filed
         (Month/Day/Year)</span><br><br></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">07/22/2026</span></td><td align="center"><span class="FormData"></span></td><td align="center"><span class="SmallFormData">S</span></td><td align="center"></td><td align="center"><span class="FormData">37,406</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">87.7016</span><span class="FootnoteData"><sup>(1)</sup></span></td><td align="center"><span class="FormData">664,071</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">See footnote</span><span class="FootnoteData"><sup>(2)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">07/22/2026</span></td><td align="center"><span class="FormData"></span></td><td align="center"><span class="SmallFormData">S</span></td><td align="center"></td><td align="center"><span class="FormData">48,032</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">88.6461</span><span class="FootnoteData"><sup>(3)</sup></span></td><td align="center"><span class="FormData">616,039</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">See footnote</span><span class="FootnoteData"><sup>(2)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">07/22/2026</span></td><td align="center"><span class="FormData"></span></td><td align="center"><span class="SmallFormData">S</span></td><td align="center"></td><td align="center"><span class="FormData">14,562</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">89.2425</span><span class="FootnoteData"><sup>(4)</sup></span></td><td align="center"><span class="FormData">601,477</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">See footnote</span><span class="FootnoteData"><sup>(2)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">07/23/2026</span></td><td align="center"><span class="FormData"></span></td><td align="center"><span class="SmallFormData">S</span></td><td align="center"></td><td align="center"><span class="FormData">96,400</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">89.4388</span><span class="FootnoteData"><sup>(5)</sup></span></td><td align="center"><span class="FormData">505,077</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">See footnote</span><span class="FootnoteData"><sup>(2)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"><span class="FormData">07/23/2026</span></td><td align="center"><span class="FormData"></span></td><td align="center"><span class="SmallFormData">S</span></td><td align="center"></td><td align="center"><span class="FormData">3,600</span></td><td align="center"><span class="FormData">D</span></td><td align="center"><span class="FormText">$</span><span class="FormData">90.7065</span><span class="FootnoteData"><sup>(6)</sup></span></td><td align="center"><span class="FormData">501,477</span></td><td align="center"><span class="FormData">I</span></td><td align="left"><span class="FormData">See footnote</span><span class="FootnoteData"><sup>(2)</sup></span></td></tr><tr><td align="left"><span class="FormData">Common Stock</span></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"></td><td align="center"><span class="FormData">71,594</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></table><table border="0" width="100%"><tr><td class="MedSmallFormText"><b>Explanation of Responses:</b></td></tr><tr><td class="FootnoteData">1. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $87.16 to $88.155, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.</td></tr><tr><td class="FootnoteData">2. The securities are held directly by Canaan VIII L.P. ("Canaan LP"). Canaan Partners VIII LLC ("Canaan LLC" and together with Canaan LP, the "Canaan Entities") is the sole general partner of Canaan LP. Investment and voting decisions with respect to the securities held by Canaan LP are made by the managers of Canaan LLC, collectively. The Reporting Person disclaims beneficial ownership of the securities held by the Canaan Entities, except to the extent of his pecuniary interest, if any, in such securities by virtue of the limited liability company interests he owns in Canaan LLC. The Canaan Entities have instituted a communications-screen policy with respect to securities matters relating to the Issuer, and the Reporting Person did not participate in this investment decision.</td></tr><tr><td class="FootnoteData">3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $88.16 to $89.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.</td></tr><tr><td class="FootnoteData">4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.16 to $89.42, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.</td></tr><tr><td class="FootnoteData">5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.00 to $89.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.</td></tr><tr><td class="FootnoteData">6. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.505 to $90.90, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range.</td></tr></table><table width="100%" border="0"><tr><td width="60%"></td><td width="20%"><u><span class="FormData">/s/ Dr. Stephen M. Bloch</span></u></td><td width="20%"><u><span class="FormData">07/24/2026</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><tr><td colspan="3" class="MedSmallFormText"><b>* Form 4: SEC 1474 (03-26)</b></td></tr></table></body></html>
