Form SCHEDULE 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0001415889-25-021493
Filing Date
2025-08-12
Accepted
2025-08-12 16:29:56
Documents
1

Document Format Files

Seq Description Document Type Size
1 primary_doc.html SCHEDULE 13G/A  
1 primary_doc.xml SCHEDULE 13G/A 5066
  Complete submission text file 0001415889-25-021493.txt   7017
Mailing Address 399 BOYLSTON STREET, SUITE 1100 BOSTON MA 02116
Business Address 399 BOYLSTON STREET, SUITE 1100 BOSTON MA 02116 6174259200
MPM BioImpact LLC (Filed by) CIK: 0001687078 (see all company filings)

EIN.: 364818254 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G/A

Mailing Address 80 GUEST STREET BOSTON MA 02135
Business Address 80 GUEST STREET BOSTON MA 02135 617-500-8099
Compass Therapeutics, Inc. (Subject) CIK: 0001738021 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SCHEDULE 13G/A | Act: 34 | File No.: 005-90878 | Film No.: 251207179
SIC: 2836 Biological Products, (No Diagnostic Substances)
(CF Office: 03 Life Sciences)