0000932471-25-000733.txt : 20250729 0000932471-25-000733.hdr.sgml : 20250729 20250729110552 ACCESSION NUMBER: 0000932471-25-000733 CONFORMED SUBMISSION TYPE: SCHEDULE 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20250729 DATE AS OF CHANGE: 20250729 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: SELLAS Life Sciences Group, Inc. CENTRAL INDEX KEY: 0001390478 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences EIN: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-84090 FILM NUMBER: 251158897 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: VANGUARD GROUP INC CENTRAL INDEX KEY: 0000102909 ORGANIZATION NAME: EIN: 231945930 STATE OF INCORPORATION: PA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13G BUSINESS ADDRESS: STREET 1: 100 VANGUARD BLVD CITY: MALVERN STATE: PA ZIP: 19355 BUSINESS PHONE: 6106691000 MAIL ADDRESS: STREET 1: PO BOX 2600 STREET 2: V26 CITY: VALLEY FORGE STATE: PA ZIP: 19482-2600 SCHEDULE 13G 1 primary_doc.xml SCHEDULE 13G 0000102909 XXXXXXXX LIVE Common Stock 06/30/2025 0001390478 SELLAS Life Sciences Group Inc 81642T209 7 TIMES SQUARE SUITE 2503 NEW YORK NY 10036 Rule 13d-1(b) The Vanguard Group PA 0 92960 6568778 126021 6694799 6.70 IA The holdings reported herein are in the form of warrants.The CUSIP Number listed throughout this filing is the CUSIP assigned to the Ordinary Shares of the Issuer. SELLAS Life Sciences Group Inc 7 TIMES SQUARE, SUITE 2503, NEW YORK, NY, 10036 The Vanguard Group 100 Vanguard Blvd., Malvern, PA 19355 PA N IA 6694799 6.7 0 92960 6568778 126021 Y N The Vanguard Group, Inc.'s clients, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein. No one other person's interest in the securities reported herein is more than 5%. Y Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11. The Vanguard Group Ashley Grim 07/29/2025