<SEC-DOCUMENT>0001213900-22-072582.txt : 20221115
<SEC-HEADER>0001213900-22-072582.hdr.sgml : 20221115
<ACCEPTANCE-DATETIME>20221115081932
ACCESSION NUMBER:		0001213900-22-072582
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20221115
FILED AS OF DATE:		20221115
DATE AS OF CHANGE:		20221115

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mann Paul Elliot
		CENTRAL INDEX KEY:			0001744816

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41555
		FILM NUMBER:		221389487

	MAIL ADDRESS:	
		STREET 1:		181 DANTE AVENUE
		CITY:			TUCKAHOE
		STATE:			NY
		ZIP:			10707

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ASP Isotopes Inc.
		CENTRAL INDEX KEY:			0001921865
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				872618235
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		433 PLAZA REAL, SUITE 275
		CITY:			BOCA RATON
		STATE:			FL
		ZIP:			33432
		BUSINESS PHONE:		(858) 677-1400

	MAIL ADDRESS:	
		STREET 1:		433 PLAZA REAL, SUITE 275
		CITY:			BOCA RATON
		STATE:			FL
		ZIP:			33432
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ownership.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-11-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001921865</issuerCik>
        <issuerName>ASP Isotopes Inc.</issuerName>
        <issuerTradingSymbol>ASPI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001744816</rptOwnerCik>
            <rptOwnerName>Mann Paul Elliot</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ASP ISOTOPES INC.,</rptOwnerStreet1>
            <rptOwnerStreet2>433 PLAZA REAL, SUITE 275</rptOwnerStreet2>
            <rptOwnerCity>BOCA RATON,</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33432</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Executive Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-11-15</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>37500</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3087500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-11-15</value>
            </transactionDate>
            <deemedExecutionDate>
                <footnoteId id="F1"/>
            </deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1000000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4087500</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This special one-time equity award of 1,000,000 restricted shares was contingent upon the completion of our IPO. Mr. Mann will receive 250,000 restricted shares of our common stock on November 15, 2023, 250,000 restricted shares of our common stock on November 15, 2024, 250,000 restricted shares of our common stock on November 15, 2025, and 250,000 shares of our restricted common stock on November 15, 2026.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Paul E. Mann</signatureName>
        <signatureDate>2022-11-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
