    <SEC-DOCUMENT>0000950170-24-049107-index.html : 20240426
    <SEC-HEADER>0000950170-24-049107.hdr.sgml : 20240426
    <ACCEPTANCE-DATETIME>20240426160823
    ACCESSION NUMBER:		0000950170-24-049107
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20240426
    DATE AS OF CHANGE:		20240426

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Apellis Pharmaceuticals, Inc.
    		CENTRAL INDEX KEY:			0001492422
    		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
    		ORGANIZATION NAME:           	03 Life Sciences
    		IRS NUMBER:				271537290
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-38276
    		FILM NUMBER:		24883695

    	BUSINESS ADDRESS:
    		STREET 1:		100 FIFTH AVENUE
    		CITY:			WALTHAM
    		STATE:			MA
    		ZIP:			02451
    		BUSINESS PHONE:		617-977-5700

    	MAIL ADDRESS:
    		STREET 1:		100 FIFTH AVENUE
    		CITY:			WALTHAM
    		STATE:			MA
    		ZIP:			02451
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>apls-2024-defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: apls-2024-defa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>img182641356_0.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: img182641356_0.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>img182641356_1.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: img182641356_1.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>