0001104659-23-124686.txt : 20231208
0001104659-23-124686.hdr.sgml : 20231208
20231208161011
ACCESSION NUMBER: 0001104659-23-124686
CONFORMED SUBMISSION TYPE: 4
PUBLIC DOCUMENT COUNT: 1
CONFORMED PERIOD OF REPORT: 20231206
FILED AS OF DATE: 20231208
DATE AS OF CHANGE: 20231208
REPORTING-OWNER:
OWNER DATA:
COMPANY CONFORMED NAME: Burns John Thomas
CENTRAL INDEX KEY: 0001568734
FILING VALUES:
FORM TYPE: 4
SEC ACT: 1934 Act
SEC FILE NUMBER: 001-33958
FILM NUMBER: 231475481
MAIL ADDRESS:
STREET 1: 16760 SW UPPER BOONES FERRY RD
STREET 2: SUITE 101
CITY: PORTLAND
STATE: X1
ZIP: 97224
ISSUER:
COMPANY DATA:
COMPANY CONFORMED NAME: SELLAS Life Sciences Group, Inc.
CENTRAL INDEX KEY: 0001390478
STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834]
IRS NUMBER: 000000000
STATE OF INCORPORATION: DE
FISCAL YEAR END: 1231
BUSINESS ADDRESS:
STREET 1: 7 TIMES SQUARE
STREET 2: SUITE 2503
CITY: NEW YORK
STATE: NY
ZIP: 10036
BUSINESS PHONE: 6462005278
MAIL ADDRESS:
STREET 1: 7 TIMES SQUARE
STREET 2: SUITE 2503
CITY: NEW YORK
STATE: NY
ZIP: 10036
FORMER COMPANY:
FORMER CONFORMED NAME: Galena Biopharma, Inc.
DATE OF NAME CHANGE: 20110926
FORMER COMPANY:
FORMER CONFORMED NAME: RXi Pharmaceuticals Corp
DATE OF NAME CHANGE: 20110926
FORMER COMPANY:
FORMER CONFORMED NAME: GALENA BIOPHARMA, INC.
DATE OF NAME CHANGE: 20110922
4
1
tm2332459-1_4seq1.xml
OWNERSHIP DOCUMENT
X0508
4
2023-12-06
0
0001390478
SELLAS Life Sciences Group, Inc.
SLS
0001568734
Burns John Thomas
C/O SELLAS LIFE SCIENCES GROUP, INC.,
7 TIMES SQUARE, SUITE 2503
NEW YORK
NY
10036
0
1
0
0
CFO
0
Class A Common Stock
2023-12-06
4
J
0
2929
1.08
D
54927
D
Transaction relates to shares of common stock withheld by SELLAS Life Sciences Group, Inc. (the "Issuer") to cover tax withholding obligations of the Reporting Person in connection with the vesting of Restricted Stock Units ("RSUs").
Represents the number shares of common stock withheld by the Issuer to cover tax withholding obligations of the Reporting Person in connection with the vesting of RSUs.
/s/ John Burns
2023-12-08