Sec Form 4 Filing - Celona Lucia @ Apellis Pharmaceuticals, Inc. - 2020-02-10

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Celona Lucia 2. Issuer Name and Ticker or Trading Symbol Apellis Pharmaceuticals, Inc. [ APLS] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) See Remarks (Last) (First) (Middle) C/O APELLIS PHARMACEUTICALS, INC., 100 FIFTH AVENUE 3. Date of Earliest Transaction (MM/DD/YY) 02/10/2020 (Street) WALTHAM, MA02451 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/10/2020 A 5,213 ( 1 ) A $ 0 5,213 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock option (right to buy) $ 44.33 02/10/2020 A 31,275 ( 2 ) 02/09/2030 Common Stock 31,275 $ 0 31,275 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Celona Lucia C/O APELLIS PHARMACEUTICALS, INC. 100 FIFTH AVENUE WALTHAM, MA02451 See Remarks Signatures /s/ David Watson, attorney-in-fact for Lucia Celona 02/12/2020 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Consists of shares of Common Stock issuable under 5,213 restricted stock units ("RSUs") granted pursuant to the Company's 2017 Stock Incentive Plan. Each RSU represents the right to receive one share of Common Stock upon vesting. This RSU was granted on February 10, 2020 and will vest as to 25% of the shares underlying the RSU on the first anniversary of the grant, and 25% of the shares underlying the RSU on each anniversary of the grant thereafter through the fourth anniversary of the grant. ( 2 )This option was granted on February 10, 2020 and will vest as to 25% of the shares underlying the options on the first anniversary of the grant, with the remaining 75% of the shares underlying the option vesting in equal monthly installments thereafter through the fourth anniversary of the grant, subject to continued service.

Remarks: Chief People Officer

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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