Ownership Submission
FORM 4
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Check this box if no longer subject to Section 16, Form 4 or Form 5 obligations may continue. See Instruction 1(b).
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UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549STATEMENT OF CHANGES IN 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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OMB APPROVAL
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OMB Number:3235-0287Expires:January 31, 2005Estimated average burden hours per response...0.5
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1. Name and Address of Reporting Person *
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EcoR1 Capital, LLC
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2. Issuer Name and Ticker or Trading Symbol
ANAPTYSBIO, INC [ANAB]
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5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director
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_____ 10% Owner
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_____ Officer (give title below)
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_____ Other (specify below)
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(Last)
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(First)
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(Middle)
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357 TEHAMA STREET #3
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3. Date of Earliest Transaction (Month/Day/Year)
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(Street)
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SAN FRANCISCO
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CA
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94103
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4. If Amendment, Date Original Filed(Month/Day/Year)
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6. Individual or Join/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
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Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
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1.Title of Security
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2. Transaction Date (Month/Day/Year)
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2A. Deemed Execution Date, if any (Month/Day/Year)
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3. Transaction Code
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4. Securities Acquired (A) or Disposed of (D)
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5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
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6. Ownership Form: Direct (D) or Indirect (I)
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7. Nature of Indirect Beneficial Ownership
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Code
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V
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Amount
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(A) or (D)
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Price
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
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2. Conversion or Exercise Price of Derivative Security
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3. Transaction Date (Month/Day/Year)
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3A. Deemed Execution Date, if any (Month/Day/Year)
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4. Transaction Code
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5. Number of Derivative Securities Acquired (A) or Disposed of (D)
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6. Date Exercisable and Expiration Date
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7. Title and Amount of Securities Underlying Derivative Security
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8. Price of Derivative Security
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9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s)
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10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
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11. Nature of Indirect Beneficial Ownership
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Code
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V
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(A)
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(D)
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Date Exercisable
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Expriation Date
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Title
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Amount or Number of Shares
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Reporting Owners
Reporting Owner Name / Address
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Relationships
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Director
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10% Owner
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Officer
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Other
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EcoR1 Capital, LLC
357 TEHAMA STREET #3
SAN FRANCISCO, CA94103
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X
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Signatures
Oleg Nodelman, Manager of EcoR1 Capital, LLC
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2024-08-15
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**Signature of Reporting Person
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Date
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Explanation of Responses:
(*)
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If the form is filed by more than one reporting person, see Instruction 5(b)(v).
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(**)
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Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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(1)
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The filers are EcoR1 Capital, LLC ("EcoR1"), Oleg Nodelman and EcoR1 Capital Fund Qualified, L.P. ("Qualified Fund"). EcoR1 is the investment adviser and general partner of private funds, including Qualified Fund ("the Funds"). Mr. Nodelman is the manager and controlling owner of EcoR1 and a director of the Issuer. EcoR1 is filing this Form 4 for itself and Qualified Fund. The filers are filing this Form 4 jointly, but not as a group, and each expressly disclaims membership in a group within the meaning of Rule 13d-5(b) under the Securities Exchange Act of 1934. The Funds hold shares directly for the benefit of their investors. EcoR1 may be deemed to beneficially own the shares indirectly as the investment adviser to the Fund, and Mr. Nodelman may be deemed to beneficially own them indirectly as the control person of EcoR1. The filers disclaim beneficial ownership of the shares except to the extent of their pecuniary interest therein.
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(2)
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Qualified Fund purchased all of the shares acquired in this transaction.
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(3)
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After this transaction, Qualified Fund holds 7,316,874 shares of Issuer's Common Stock.
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Note: File three copies of this Form, one of which must be manually signed. If space is insufficient,
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