SEC Form 3

FORM 3

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

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1. Name and Address of Reporting Person* Cormorant Asset Management, LLC (Last) (First) (Middle) 200 CLARENDON STREET, 52ND FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 11/08/2017	3. Issuer Name and Ticker or Trading Symbol Apellis Pharmaceuticals, Inc. [ APLS ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Series D Convertible Preferred Stock	(1)	(1)	Common Stock	2,098,581	(1)	D(2)(4)
Series E Convertible Preferred Stock	(1)	(1)	Common Stock	303,916	(1)	D(3)(4)

1. Name and Address of Reporting Person* Cormorant Asset Management, LLC (Last) (First) (Middle) 200 CLARENDON STREET, 52ND FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip)

1. Name and Address of Reporting Person* Cormorant Global Healthcare Master Fund, LP (Last) (First) (Middle) 200 CLARENDON STREET, 52ND FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip)

1. Name and Address of Reporting Person* CORMORANT PRIVATE HEALTHCARE FUND I, LP (Last) (First) (Middle) 200 CLARENDON STREET, 52ND FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip)

1. Name and Address of Reporting Person* Chen Bihua (Last) (First) (Middle) C/O CORMORANT ASSET MANAGEMENT, LLC 200 CLARENDON STREET, 52ND FLOOR (Street) BOSTON MA 02116 (City) (State) (Zip)

Explanation of Responses:

1. The convertible preferred stock is convertible at any time, at the holder's election, on a 2.133-for-one basis and has no expiration date but is expected to convert automatically upon the closing of the Issuer's initial public offering.

2. Series D Convertible Preferred Stock reported herein represent (i) 1,573,936 shares held by Cormorant Private Healthcare Fund I, LP ("Fund I"), (ii) 442,014 shares held by Cormorant Global Healthcare Master Fund, LP (the "Master Fund"), and (iii) 82,631 shares held by a managed account (the "Account").

3. Series E Convertible Preferred Stock reported herein represent (i) 245,656 shares held by Fund I, (ii) 48,231 shares held by the Master Fund, and (iii) 10,029 shares held by the Account.

4. Cormorant Asset Management, LLC ("Cormorant") serves as the investment manager of Fund I, the Master Fund and the Account. Bihua Chen serves as manager of Cormorant. Each of the Reporting Persons disclaims beneficial ownership of the shares reported herein except to the extent of its or her pecuniary interest therein, and the filing of this Form 3 shall not be construed as an admission that any of the Reporting Persons is the beneficial owner of any such shares for purposes of Section 16(a) of the Securities Exchange Act of 1934 or for any other purpose.

	/s/ CORMORANT ASSET MANAGEMENT, LLC By: Bihua Chen, Managing Member	11/08/2017
	/s/ CORMORANT GLOBAL HEALTHCARE MASTER FUND, LP, By: Cormorant Global Healthcare GP, LLC, its General Partner By: Bihua Chen, Managing Member	11/08/2017
	/s/ CORMORANT PRIVATE HEALTHCARE FUND I, LP By: Cormorant Private Healthcare GP, LLC, its General Partner By: Bihua Chen, Managing Member	11/08/2017
	/s/ Bihua Chen	11/08/2017
	** Signature of Reporting Person	Date
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