Filing Details

Accession Number:
Form Type:
Zero Holdings:
Publication Time:
2021-02-25 17:58:19
Reporting Period:
Accepted Time:
2021-02-25 17:58:19
SEC Url:
Form 4 Filing
Cik Name Symbol Sector (SIC) IRS No
1370053 Anaptysbio Inc ANAB Pharmaceutical Preparations (2834) 203828755
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1587114 Ecor1 Capital, Llc 357 Tehama Street #3
San Francisco CA 94103
No No Yes No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2021-02-23 29,500 $25.48 3,842,824 No 4 P Indirect See Note 1
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 P Indirect See Note 1
  1. The filing persons (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 (collectively, the "Funds"). Mr. Nodelman is the manager and controlling owner of EcoR1. EcoR1 is filing this Form 4 for itself, Mr. Nodelman 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, as amended. The Funds hold these securities directly for the benefit of their investors. EcoR1 indirectly beneficially owns them as the investment adviser to the Funds, and Mr. Nodelman indirectly beneficially owns them as the control person of EcoR1. The Filers disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.
  2. Qualified Fund purchased 13,862 shares of the Common Stock purchased in this transaction. After this transaction, Qualified Fund owned 3,226,206 shares of Common Stock.