0001415889-24-007085.txt : 20240306 0001415889-24-007085.hdr.sgml : 20240306 20240306174019 ACCESSION NUMBER: 0001415889-24-007085 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240304 FILED AS OF DATE: 20240306 DATE AS OF CHANGE: 20240306 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: 001-39122 FILM NUMBER: 24727289 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: 001-39122 FILM NUMBER: 24727290 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: 001-39122 FILM NUMBER: 24727287 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: 001-39122 FILM NUMBER: 24727286 MAIL ADDRESS: STREET 1: 200 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: RA Capital Nexus Fund, L.P. CENTRAL INDEX KEY: 0001780117 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39122 FILM NUMBER: 24727288 BUSINESS ADDRESS: STREET 1: 200 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: (617) 778-2500 MAIL ADDRESS: STREET 1: 200 BERKELEY STREET STREET 2: 18TH FLOOR CITY: BOSTON STATE: MA ZIP: 02116 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: 89bio, Inc. CENTRAL INDEX KEY: 0001785173 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 831114349 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 142 SANSOME STREET STREET 2: SECOND FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94104 BUSINESS PHONE: (415) 432-9270 MAIL ADDRESS: STREET 1: 142 SANSOME STREET STREET 2: SECOND FLOOR CITY: SAN FRANCISCO STATE: CA ZIP: 94104 4 1 form4-03062024_100313.xml X0508 4 2024-03-04 0001785173 89bio, Inc. ETNB 0001346824 RA CAPITAL MANAGEMENT, L.P. 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 true false true false 0001315082 RA Capital Healthcare Fund LP 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 1 0 1 0 0001780117 RA Capital Nexus Fund, L.P. 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 1 0 1 0 0001384859 Kolchinsky Peter C/O RA CAPITAL MANAGEMENT, L.P. 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 1 0 1 0 0001619841 Shah Rajeev M. C/O RA CAPITAL MANAGEMENT, L.P. 200 BERKELEY STREET, 18TH FLOOR BOSTON MA 02116 1 0 1 0 0 Common Stock 2024-03-04 4 P 0 1350000 15.35 A 12431584 I See Footnotes Common Stock 335364 I See Footnotes Acquired from the Issuer in an at-the-market offering. Held directly by the 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, L.P. (the "Nexus Fund"). 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, Dr. Kolchinsky, and Mr. Shah disclaim beneficial ownership of any of the reported securities, except to the extent of their pecuniary interest therein. Held directly by the Nexus Fund. Dr. Derek DiRocco, a Partner of the Adviser, serves on the Issuer's board of directors. /s/ Peter Kolchinsky, Manager of RA Capital Management, L.P. 2024-03-06 /s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC the General Partner of RA Capital Healthcare Fund, L.P. 2024-03-06 /s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund GP, LLC the General Partner of RA Capital Nexus Fund, L.P. 2024-03-06 /s/ Peter Kolchinsky, individually 2024-03-06 /s/ Rajeev Shah, individually 2024-03-06