0001415889-24-010278.txt : 20240404
0001415889-24-010278.hdr.sgml : 20240404
20240404161515
ACCESSION NUMBER: 0001415889-24-010278
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20240402
FILED AS OF DATE: 20240404
DATE AS OF CHANGE: 20240404
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: 001-41989
FILM NUMBER: 24823288
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: 001-41989
FILM NUMBER: 24823289
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: RA Capital Nexus Fund II, L.P.
CENTRAL INDEX KEY: 0001825376
ORGANIZATION NAME:
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-41989
FILM NUMBER: 24823287
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
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: 001-41989
FILM NUMBER: 24823285
MAIL ADDRESS:
STREET 1: 200 BERKELEY STREET
STREET 2: 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
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: 001-41989
FILM NUMBER: 24823286
MAIL ADDRESS:
STREET 1: 200 BERKELEY STREET
STREET 2: 18TH FLOOR
CITY: BOSTON
STATE: MA
ZIP: 02116
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Boundless Bio, Inc.
CENTRAL INDEX KEY: 0001782303
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
ORGANIZATION NAME: 03 Life Sciences
IRS NUMBER: 830751369
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 9880 CAMPUS POINT DRIVE
STREET 2: SUITE 120
CITY: SAN DIEGO
STATE: CA
ZIP: 92121
BUSINESS PHONE: (858) 766-9912
MAIL ADDRESS:
STREET 1: 9880 CAMPUS POINT DRIVE
STREET 2: SUITE 120
CITY: SAN DIEGO
STATE: CA
ZIP: 92121
4
1
form4-04042024_040402.xml
X0508
4
2024-04-02
1
0001782303
Boundless Bio, Inc.
BOLD
0001346824
RA CAPITAL MANAGEMENT, L.P.
200 BERKELEY STREET
BOSTON
MA
02116
false
false
true
false
0001315082
RA Capital Healthcare Fund LP
200 BERKELEY STREET
BOSTON
MA
02116
0
0
1
0
0001825376
RA Capital Nexus Fund II, L.P.
200 BERKELEY STREET
BOSTON
MA
02116
0
0
1
0
0001384859
Kolchinsky Peter
C/O RA CAPITAL MANAGEMENT, L.P.
200 BERKELEY STREET
BOSTON
MA
02116
0
0
1
0
0001619841
Shah Rajeev M.
RA CAPITAL MANAGEMENT, L.P.
200 BERKELEY STREET, 18TH FLOOR
BOSTON
MA
02116
0
0
1
0
0
Common Stock
2024-04-02
4
C
0
1587912
A
1587912
I
See footnotes
Common Stock
2024-04-02
4
P
0
296875
16
A
1884787
I
See footnotes
Common Stock
2024-04-02
4
C
0
280219
A
280219
I
See footnotes
Common Stock
2024-04-02
4
P
0
15625
16
A
295844
I
See footnotes
Series B Preferred Stock
2024-04-02
4
C
0
17000000
0
D
Common Stock
871794
0
I
See footnotes
Series B Preferred Stock
2024-04-02
4
C
0
3000000
0
D
Common Stock
153846
0
I
See footnotes
Series C Preferred Stock
2024-04-02
4
C
0
13964285
0
D
Common Stock
716118
0
I
See footnotes
Series C Preferred Stock
2024-04-02
4
C
0
2464286
0
D
Common Stock
126373
0
I
See footnotes
On April 2, 2024, each share of Series B Preferred Stock and Series C Preferred Stock automatically converted into shares of Common Stock on a 19.5-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares of Series B Preferred Stock and Series C Preferred Stock had no expiration date.
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, 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 II.
/s/ Peter Kolchinsky, Manager of RA Capital Management, L.P.
2024-04-04
/s/ Peter Kolchinsky, Manager of RA Capital Healthcare Fund GP, LLC the General Partner of RA Capital Healthcare Fund, L.P.
2024-04-04
/s/ Peter Kolchinsky, Manager of RA Capital Nexus Fund II GP, LLC the General Partner of RA Capital Nexus Fund II, L.P.
2024-04-04
/s/ Peter Kolchinsky, individually
2024-04-04
/s/ Rajeev Shah, individually
2024-04-04