0001231919-26-000485.txt : 20260512 0001231919-26-000485.hdr.sgml : 20260512 20260512182628 ACCESSION NUMBER: 0001231919-26-000485 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20260508 FILED AS OF DATE: 20260512 DATE AS OF CHANGE: 20260512 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: RA Capital Healthcare Fund LP CENTRAL INDEX KEY: 0001315082 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40366 FILM NUMBER: 26970246 BUSINESS ADDRESS: STREET 1: 200 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6177782500 MAIL ADDRESS: STREET 1: 200 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 FORMER NAME: FORMER CONFORMED NAME: RA Capital Biotech Fund LP DATE OF NAME CHANGE: 20050121 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: RA CAPITAL MANAGEMENT, L.P. CENTRAL INDEX KEY: 0001346824 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40366 FILM NUMBER: 26970247 BUSINESS ADDRESS: STREET 1: 200 BERKELEY STREET, 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 617-778-2500 MAIL ADDRESS: STREET 1: 200 BERKELEY STREET, 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 FORMER NAME: FORMER CONFORMED NAME: RA CAPITAL MANAGEMENT, LLC DATE OF NAME CHANGE: 20051213 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Kolchinsky Peter CENTRAL INDEX KEY: 0001384859 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40366 FILM NUMBER: 26970245 MAIL ADDRESS: STREET 1: 200 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Shah Rajeev M. CENTRAL INDEX KEY: 0001619841 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-40366 FILM NUMBER: 26970244 MAIL ADDRESS: STREET 1: 200 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Werewolf Therapeutics, Inc. CENTRAL INDEX KEY: 0001785530 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 823523180 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 TALCOTT AVENUE STREET 2: 2ND FLOOR CITY: WATERTOWN STATE: MA ZIP: 02472 BUSINESS PHONE: 617-952-0555 MAIL ADDRESS: STREET 1: 200 TALCOTT AVENUE STREET 2: 2ND FLOOR CITY: WATERTOWN STATE: MA ZIP: 02472 4 1 form4-05122026_100521.xml X0609 4 2026-05-08 0001785530 Werewolf Therapeutics, Inc. HOWL 0001346824 RA CAPITAL MANAGEMENT, L.P. false 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 false false true false 0001315082 RA Capital Healthcare Fund LP false 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 1 0 0001384859 Kolchinsky Peter false C/O RA CAPITAL MANAGEMENT, L.P. 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 1 0 0001619841 Shah Rajeev M. false C/O RA CAPITAL MANAGEMENT, L.P. 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 0 0 1 0 0 Common Stock 2026-05-08 4 S 0 351514 0.71 D 5885968 I See footnotes Common Stock 2026-05-08 4 S 0 25012 0.71 D 418813 I See footnotes Common Stock 2026-05-11 4 S 0 81678 0.67 D 5804290 I See footnotes Common Stock 2026-05-11 4 S 0 5812 0.67 D 413001 I See footnotes Common Stock 2026-05-12 4 S 0 94432 0.64 D 5709858 I See footnotes Common Stock 2026-05-12 4 S 0 6719 0.64 D 406282 I See footnotes The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.69 to $0.76 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Held directly by RA Capital Healthcare Fund, L.P. (the "Fund"). RA Capital Management, L.P. (the "Adviser") is the investment manager for the Fund and RA Capital Nexus Fund II, L.P. (the "Nexus Fund II"). The general partner of the Adviser is RA Capital Management GP, LLC (the "Adviser GP"), of which Dr. Peter Kolchinsky and Mr. Rajeev Shah are the managing members. The Adviser, the Adviser GP, the Fund, Dr. Kolchinsky and Mr. Shah disclaim beneficial ownership of the reported securities, except to the extent of their respective pecuniary interest therein. Held directly by Nexus Fund II. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.66 to $0.71 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $0.62 to $0.65 inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P. 2026-05-12 /s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC, the General Partner of RA Capital Healthcare Fund, L.P. 2026-05-12 /s/ Peter Kolchinsky, individually 2026-05-12 /s/ Rajeev Shah, individually 2026-05-12