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* NODELMAN OLEG (Last) (First) (Middle) 357 TEHAMA STREET #3 (Street) SAN FRANCISCO CA 94103 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 04/08/2021	3. Issuer Name and Ticker or Trading Symbol ANAPTYSBIO, INC [ ANAB ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X 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) X Form filed by One Reporting Person 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)
Common Stock	7,151,624	I	See Note 1(1)

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

Explanation of Responses:

1. Mr. Nodelman is the manager and controlling owner of EcoR1 Capital, LLC, which is the investment adviser and general partner of private funds. The funds hold these securities directly for the benefit of their investors. Mr. Nodelman indirectly beneficially owns them as the control person of EcoR1 Capital, LLC. Mr. Nodelman disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

Remarks:

Mr. Nodelman is filing this Form 3 to report that he was appointed to the issuer's board of directors on April 8, 2021. Mr. Nodelman previously reported his beneficial ownership of the securities included in this report in the Form 3 filed by EcoR1 Capital, LLC on January 14, 2021 and Forms 4 filed by EcoR1 Capital, LLC on February 25 and March 10, 2021.

	Oleg Nodelman	04/12/2021
	** Signature of Reporting Person	Date
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 5 (b)(v).
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