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        <com:city>WALTHAM</com:city>
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        <com:zipCode>02451</com:zipCode>
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      <issuerContactPhone>617-977-5700</issuerContactPhone>
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      <relationshipsToIssuer>
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      </relationshipsToIssuer>
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    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem Street</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
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      <aggregateMarketValue>609928.40</aggregateMarketValue>
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      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
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      <isGiftTransaction>N</isGiftTransaction>
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      <paymentDate>07/03/2023</paymentDate>
      <natureOfPayment>Cash</natureOfPayment>
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    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
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          <com:stateOrCountry>MA</com:stateOrCountry>
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    <noticeSignature>
      <noticeDate>07/03/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>03/07/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Timothy Sullivan</signature>
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144
0001707000
XXXXXXXX
LIVE
0001492422
Apellis Pharmaceuticals, Inc.
001-38276
100 FIFTH AVENUE
WALTHAM
MA
02451
617-977-5700
Sullivan Timothy Eugene
Officer
Common
Fidelity Brokerage Services LLC
900 Salem Street
Smithfield
RI
02917
6779
609928.40
116457008
07/03/2023
NASDAQ
Common
07/03/2023
Option Granted - 10/18/2017
Issuer
N
6779
07/03/2023
Cash
N
Timothy Sullivan
100 Fifth Avenue
Waltham
MA
02451
Common
06/05/2023
69779
6196521.74
07/03/2023
03/07/2023
/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Timothy Sullivan