Compass Therapeutics, Inc. — SCHEDULE 13D/A Filings
3 SCHEDULE 13D/A filings on record
This page lists all SCHEDULE 13D/A filings submitted to the SEC by Compass Therapeutics, Inc. (CMPX), sorted by most recent first. Each row links to the full filing on EdgarLookup. Compass Therapeutics, Inc. has filed 3 SCHEDULE 13D/A documents with the SEC since 2018. To view all SEC filings by Compass Therapeutics, Inc., see the full filings list.
All
10-12G
10-K
10-Q
144
3
4
4/A
424B3
424B5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
D
DEF 14A
DEFA14A
DEL AM
DRS
EFFECT
POS AM
RW
S-1
S-1/A
S-3
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC 14F1
SC 14F1/A
SCHEDULE 13D/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13D/A | — | 0000950170-25-109869 | Aug 18, 2025 | — |
| SCHEDULE 13D/A | — | 0000947871-25-000785 | Aug 15, 2025 | — |
| SCHEDULE 13D/A | — | 0000947871-25-000383 | Apr 11, 2025 | — |