0001415889-25-004105.txt : 20250214 0001415889-25-004105.hdr.sgml : 20250214 20250214161102 ACCESSION NUMBER: 0001415889-25-004105 CONFORMED SUBMISSION TYPE: SCHEDULE 13G PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20250214 DATE AS OF CHANGE: 20250214 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Compass Therapeutics, Inc. CENTRAL INDEX KEY: 0001738021 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 000000000 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13G SEC ACT: 1934 Act SEC FILE NUMBER: 005-90878 FILM NUMBER: 25628683 BUSINESS ADDRESS: STREET 1: 80 GUEST STREET CITY: BOSTON STATE: MA ZIP: 02135 BUSINESS PHONE: 617-500-8099 MAIL ADDRESS: STREET 1: 80 GUEST STREET CITY: BOSTON STATE: MA ZIP: 02135 FORMER COMPANY: FORMER CONFORMED NAME: Olivia Ventures, Inc. DATE OF NAME CHANGE: 20180419 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: MPM BioImpact LLC CENTRAL INDEX KEY: 0001687078 ORGANIZATION NAME: IRS NUMBER: 364818254 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SCHEDULE 13G BUSINESS ADDRESS: STREET 1: 399 BOYLSTON STREET, SUITE 1100 CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6174259200 MAIL ADDRESS: STREET 1: 399 BOYLSTON STREET, SUITE 1100 CITY: BOSTON STATE: MA ZIP: 02116 FORMER COMPANY: FORMER CONFORMED NAME: BioImpact Capital LLC DATE OF NAME CHANGE: 20210831 FORMER COMPANY: FORMER CONFORMED NAME: MPM Oncology Impact Management LP DATE OF NAME CHANGE: 20161007 SCHEDULE 13G 1 primary_doc.xml SCHEDULE 13G 0001687078 XXXXXXXX LIVE Common Stock, par value $0.001 per share 12/31/2024 0001738021 Compass Therapeutics, Inc. 20454B104 80 GUEST STREET BOSTON MA 02135 Rule 13d-1(b) MPM BioImpact LLC DE 8567896.00 0.00 8567896.00 0.00 8567896.00 6.2 IA Compass Therapeutics, Inc. 80 GUEST STREET, BOSTON, MA, 02135. MPM BioImpact LLC 399 Boylston Street, Suite 1100 Boston, MA 02116 Delaware N IA 8,567,896 6.2% 8,567,896 0 8,567,896 0 Y Y 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. MPM BioImpact LLC Christopher Wolf Chief Financial Officer 02/14/2025