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            <issuerName>ATAI LIFE SCIENCES N.V.</issuerName>
            <secFileNumber>001-40493</secFileNumber>
            <issuerAddress>
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                <ns2:city>Berlin</ns2:city>
                <ns2:stateOrCountry>2M</ns2:stateOrCountry>
                <ns2:zipCode>10179</ns2:zipCode>
            </issuerAddress>
            <issuerContactPhone>49 89 2153 9035</issuerContactPhone>
            <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>FLORIAN BRAND</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
            <relationshipsToIssuer>
                <relationshipToIssuer>Officer</relationshipToIssuer>
            </relationshipsToIssuer>
        </issuerInfo>
        <securitiesInformation>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <brokerOrMarketmakerDetails>
                <name>Morgan Stanley Smith Barney LLC Executive Financial Services</name>
                <address>
                    <ns2:street1>1 New York Plaza</ns2:street1>
                    <ns2:street2>8th Floor</ns2:street2>
                    <ns2:city>New York</ns2:city>
                    <ns2:stateOrCountry>NY</ns2:stateOrCountry>
                    <ns2:zipCode>10004</ns2:zipCode>
                </address>
            </brokerOrMarketmakerDetails>
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            <aggregateMarketValue>154090.00</aggregateMarketValue>
            <noOfUnitsOutstanding>198306455</noOfUnitsOutstanding>
            <approxSaleDate>03/24/2025</approxSaleDate>
            <securitiesExchangeName>NASDAQ</securitiesExchangeName>
        </securitiesInformation>
        <securitiesToBeSold>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <acquiredDate>03/24/2025</acquiredDate>
            <natureOfAcquisitionTransaction>Stock Option Exercise</natureOfAcquisitionTransaction>
            <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
            <isGiftTransaction>N</isGiftTransaction>
            <amountOfSecuritiesAcquired>100000</amountOfSecuritiesAcquired>
            <paymentDate>03/24/2025</paymentDate>
            <natureOfPayment>Cash</natureOfPayment>
        </securitiesToBeSold>
        <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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            <sellerDetails>
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                <address>
                    <ns2:street1>Wallstrasse 16</ns2:street1>
                    <ns2:city>Berlin</ns2:city>
                    <ns2:stateOrCountry>2M</ns2:stateOrCountry>
                    <ns2:zipCode>10179</ns2:zipCode>
                </address>
            </sellerDetails>
            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/20/2025</saleDate>
            <amountOfSecuritiesSold>300000</amountOfSecuritiesSold>
            <grossProceeds>412560.00</grossProceeds>
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            <sellerDetails>
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                <address>
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                    <ns2:city>Berlin</ns2:city>
                    <ns2:stateOrCountry>2M</ns2:stateOrCountry>
                    <ns2:zipCode>10179</ns2:zipCode>
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            <securitiesClassTitle>Common</securitiesClassTitle>
            <saleDate>03/19/2025</saleDate>
            <amountOfSecuritiesSold>184451</amountOfSecuritiesSold>
            <grossProceeds>249433.09</grossProceeds>
        </securitiesSoldInPast3Months>
        <noticeSignature>
            <noticeDate>03/24/2025</noticeDate>
            <planAdoptionDates/>
            <signature>/s/ Florian Olaf Brand</signature>
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144
0001860682
XXXXXXXX
LIVE
0001840904
ATAI LIFE SCIENCES N.V.
001-40493
Wallstrasse 16
Berlin
2M
10179
49 89 2153 9035
FLORIAN BRAND
Officer
Common
Morgan Stanley Smith Barney LLC Executive Financial Services
1 New York Plaza
8th Floor
New York
NY
10004
100000
154090.00
198306455
03/24/2025
NASDAQ
Common
03/24/2025
Stock Option Exercise
Issuer
N
100000
03/24/2025
Cash
N
FLORIAN OLAF BRAND
Wallstrasse 16
Berlin
2M
10179
Common
03/20/2025
300000
412560.00
FLORIAN OLAF BRAND
Wallstrasse 16
Berlin
2M
10179
Common
03/19/2025
184451
249433.09
03/24/2025
/s/ Florian Olaf Brand