0000899243-18-009442.txt : 20180404
0000899243-18-009442.hdr.sgml : 20180404
20180404162407
ACCESSION NUMBER: 0000899243-18-009442
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20180402
FILED AS OF DATE: 20180404
DATE AS OF CHANGE: 20180404
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Rock Springs Capital LLC
CENTRAL INDEX KEY: 0001735397
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38433
FILM NUMBER: 18737481
BUSINESS ADDRESS:
STREET 1: 650 SOUTH EXETER STREET
STREET 2: SUITE 1070
CITY: BALTIMORE
STATE: MD
ZIP: 21202
BUSINESS PHONE: 410-220-0142
MAIL ADDRESS:
STREET 1: 650 SOUTH EXETER STREET
STREET 2: SUITE 1070
CITY: BALTIMORE
STATE: MD
ZIP: 21202
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Rock Springs Capital Management LP
CENTRAL INDEX KEY: 0001595725
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38433
FILM NUMBER: 18737480
BUSINESS ADDRESS:
STREET 1: 650 SOUTH EXETER STREET
STREET 2: SUITE 1070
CITY: BALTIMORE
STATE: MD
ZIP: 21202
BUSINESS PHONE: 4102200129
MAIL ADDRESS:
STREET 1: 650 SOUTH EXETER STREET
STREET 2: SUITE 1070
CITY: BALTIMORE
STATE: MD
ZIP: 21202
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Rock Springs Capital Master Fund LP
CENTRAL INDEX KEY: 0001735393
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-38433
FILM NUMBER: 18737482
BUSINESS ADDRESS:
STREET 1: 650 SOUTH EXETER STREET
STREET 2: SUITE 1070
CITY: BALTIMORE
STATE: MD
ZIP: 21202
BUSINESS PHONE: 410-220-0142
MAIL ADDRESS:
STREET 1: 190 ELGIN AVENUE
CITY: GEORGE TOWN
STATE: E9
ZIP: KY1 9001
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: Homology Medicines, Inc.
CENTRAL INDEX KEY: 0001661998
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
IRS NUMBER: 473468154
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 45 WIGGINS AVE.
CITY: BEDFORD
STATE: MA
ZIP: 01730
BUSINESS PHONE: 857-305-1825
MAIL ADDRESS:
STREET 1: 45 WIGGINS AVE.
CITY: BEDFORD
STATE: MA
ZIP: 01730
4
1
doc4.xml
FORM 4 SUBMISSION
X0306
4
2018-04-02
1
0001661998
Homology Medicines, Inc.
FIXX
0001595725
Rock Springs Capital Management LP
650 SOUTH EXETER ST. SUITE 1070
BALTIMORE
MD
21202
0
0
1
0
0001735393
Rock Springs Capital Master Fund LP
C/O WALKERS CORPORATE LIMITED
CAYMAN CORPORATE CENTRE 27 HOSPITAL ROAD
GEORGE TOWN, GRAND CAYMAN
E9
KY1-9008
CAYMAN ISLANDS
0
0
1
0
0001735397
Rock Springs Capital LLC
650 SOUTH EXETER ST. SUITE 1070
BALTIMORE
MD
21202
0
0
1
0
Common Stock
2018-04-02
4
C
0
395845
0.00
A
395845
I
See footnote
Common Stock
2018-04-02
4
P
0
250000
16.00
A
645845
I
See footnote
Series B Preferred Stock
2018-04-02
4
C
0
395845
0.00
D
Common Stock
395845
0
I
See footnote
The securities reported herein are held of record by Rock Springs Capital Master Fund LP ("Master Fund"). Rock Springs Capital LLC ("RSC") is the general partner of Rock Springs Capital Management LP ("RSCM") which is the investment manager to Master Fund. RSC and RSCM may therefore be deemed to have or share beneficial ownership of the securities held directly by Master Fund.
Upon closing of the Issuer's initial public offering, each share of preferred stock was automatically converted into one share of the Issuer's common stock.
Rock Springs Capital Master Fund LP, By: Rock Springs Capital Management LP, By: /s/ Graham McPhail, Managing Member
2018-04-02
Rock Springs Capital LLC, By: /s/ Graham McPhail, Managing Member
2018-04-02
Rock Springs Capital Management LP, Rock Springs Capital LLC, By: /s/ Graham McPhail, Managing Member
2018-04-02