
Compass Therapeutics fell 80.4% from $4.28 to $0.84, behind the S&P 500's +10.5%. Its worst day was Apr 27 (−64.4%), and its low came Nov 5 at $0.68.
Story events cover the past 12 months · Times ET
Nov 10, 2025 – Nov 9, 2026 · picked from earnings, analyst actions, headlines and the biggest daily moves
Compass Therapeutics closed at its highest level of the year, 56.3% above where the year started.
+2.6% · S&P 500 +0.5%
EPS of $-0.09 beat the $-0.09 estimate on $0.00 revenue.
−2.8% · S&P 500 −0.6%
Compass Therapeutics shares fell 64.4%, while the S&P 500 rose 0.2%.
−64.4%, the year's worst day, on 159M shares, the year's heaviest volume · S&P 500 +0.2%
EPS of $-0.10 beat the $-0.10 estimate on $0.00 revenue (est. $-642,860.00).
+0.5% · S&P 500 +0.8%
EPS of $-0.13 missed the $-0.11 estimate on $0.00 revenue (est. $-514,290.00).
+5.3% · S&P 500 −0.2%
Compass Therapeutics shares fell 31.9%, while the S&P 500 fell 0.0%.
−31.9% · S&P 500 0.0%
EPS of $-0.15 missed the $-0.13 estimate on $0.00 revenue (est. $211,620.00).
+10.3% · S&P 500 +2.4%
Where it ended: a close of $0.84 on Nov 9, 2026. Up next: Q4 2026 earnings on Mar 4, 2027 (EPS est. $-0.13, revenue est. $-2.0M).
Nothing in the past 12 months.
All CMPX dividend history