<SEC-DOCUMENT>0001654954-25-000547.txt : 20250117
<SEC-HEADER>0001654954-25-000547.hdr.sgml : 20250117
<ACCEPTANCE-DATETIME>20250117163854
ACCESSION NUMBER:		0001654954-25-000547
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250115
FILED AS OF DATE:		20250117
DATE AS OF CHANGE:		20250117

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Russell Kline
		CENTRAL INDEX KEY:			0002049257
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41420
		FILM NUMBER:		25539193

	MAIL ADDRESS:	
		STREET 1:		10331 NE 6TH AVENUE
		CITY:			MIAMI SHORES
		STATE:			FL
		ZIP:			33138

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			374Water Inc.
		CENTRAL INDEX KEY:			0000933972
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTORS & GENERATORS [3621]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				880271109
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		701 W. MAIN STREET
		STREET 2:		SUITE 410
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27701
		BUSINESS PHONE:		440-609-9677

	MAIL ADDRESS:	
		STREET 1:		3710 SHANNON RD #51877
		STREET 2:		SUITE 410
		CITY:			DURHAM
		STATE:			NC
		ZIP:			27717

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	POWERVERDE, INC.
		DATE OF NAME CHANGE:	20080820

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	VYREX CORP
		DATE OF NAME CHANGE:	19951206
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>section16.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-01-15</periodOfReport>

    <issuer>
        <issuerCik>0000933972</issuerCik>
        <issuerName>374Water Inc.</issuerName>
        <issuerTradingSymbol>SCWO</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002049257</rptOwnerCik>
            <rptOwnerName>Russell Kline</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 374 WATER INC.</rptOwnerStreet1>
            <rptOwnerStreet2>701 W MAIN STREET, SUITE 410</rptOwnerStreet2>
            <rptOwnerCity>DURHAM</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27701</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>true</isOfficer>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock (restricted stock units)</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>308642</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>348642</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock options (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.81</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-01-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>308642</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-01-14</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>308642</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>308642</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Vesting commencement date is December 16, 2024. 25% of the shares vest and become exercisable on the first annual anniversary of the vesting commencement date and the balance vest and become exercisable equally on the last day of every month thereafter over the following 36 months, subject to the Reporting Person's continuous service through each vesting date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Peter Mandel, Attorney-in-Fact</signatureName>
        <signatureDate>2025-01-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
