COMPASS THERAPEUTICS INC (CMPX) Institutional Ownership and Insiders Activity

COMPASS THERAPEUTICS INC (CMPX) is widely held by institutional investors, with 209 firms reporting positions valued at approximately $360.88M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Tang Capital Management Llc is the largest disclosed holder, reporting approximately $39.40M in CMPX holdings in its latest filing.

Recent insider activity includes 2 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.