Compass Therapeutics, Inc. (CMPX)
NASDAQ: CMPX · Real-Time Price · USD
1.840
+0.050 (2.79%)
At close: Apr 28, 2026, 4:00 PM EDT
1.840
0.00 (0.00%)
After-hours: Apr 28, 2026, 5:55 PM EDT
Compass Therapeutics Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 28, 2026 | 1.91 | 2.18 | 1.80 | 1.84 | 1.84 | 2.51% | 37,103,366 |
| Apr 27, 2026 | 1.77 | 2.49 | 1.61 | 1.79 | 1.79 | -64.41% | 158,381,847 |
| Apr 24, 2026 | 5.22 | 5.49 | 4.90 | 5.03 | 5.03 | -3.45% | 5,058,845 |
| Apr 23, 2026 | 5.32 | 5.34 | 5.11 | 5.21 | 5.21 | -2.07% | 1,079,628 |
| Apr 22, 2026 | 5.36 | 5.39 | 5.22 | 5.32 | 5.32 | 1.53% | 1,848,926 |
| Apr 21, 2026 | 5.42 | 5.58 | 5.19 | 5.24 | 5.24 | -3.23% | 2,735,485 |
| Apr 20, 2026 | 6.11 | 6.24 | 5.41 | 5.42 | 5.42 | -9.75% | 2,761,918 |
| Apr 17, 2026 | 6.60 | 6.67 | 5.87 | 6.00 | 6.00 | -8.12% | 3,732,231 |
| Apr 16, 2026 | 5.87 | 6.85 | 5.81 | 6.53 | 6.53 | 11.62% | 7,118,346 |
| Apr 15, 2026 | 5.48 | 5.92 | 5.38 | 5.85 | 5.85 | 7.54% | 3,192,236 |
| Apr 14, 2026 | 5.20 | 5.48 | 5.14 | 5.44 | 5.44 | 4.62% | 3,542,884 |
| Apr 13, 2026 | 5.18 | 5.25 | 5.01 | 5.20 | 5.20 | 0.58% | 2,348,974 |
| Apr 10, 2026 | 5.45 | 5.50 | 5.00 | 5.17 | 5.17 | -5.14% | 3,158,300 |
| Apr 9, 2026 | 5.32 | 5.60 | 5.30 | 5.45 | 5.45 | 0.93% | 2,686,305 |
| Apr 8, 2026 | 5.50 | 5.59 | 5.29 | 5.40 | 5.40 | 1.69% | 3,059,872 |
| Apr 7, 2026 | 5.45 | 5.53 | 5.20 | 5.31 | 5.31 | -3.28% | 1,624,411 |
| Apr 6, 2026 | 5.47 | 5.73 | 5.46 | 5.49 | 5.49 | 0.73% | 3,197,512 |
| Apr 2, 2026 | 5.25 | 5.50 | 5.18 | 5.45 | 5.45 | 0.37% | 3,183,387 |
| Apr 1, 2026 | 5.41 | 5.51 | 5.11 | 5.43 | 5.43 | 2.65% | 1,912,443 |
| Mar 31, 2026 | 5.26 | 5.38 | 5.06 | 5.29 | 5.29 | 3.73% | 4,366,986 |
| Mar 30, 2026 | 5.21 | 5.24 | 5.07 | 5.10 | 5.10 | -2.11% | 1,281,362 |
| Mar 27, 2026 | 5.29 | 5.37 | 5.15 | 5.21 | 5.21 | -2.25% | 1,355,902 |
| Mar 26, 2026 | 5.41 | 5.67 | 5.30 | 5.33 | 5.33 | -2.91% | 1,327,422 |
| Mar 25, 2026 | 5.42 | 5.56 | 5.39 | 5.49 | 5.49 | 3.00% | 1,366,820 |
| Mar 24, 2026 | 4.96 | 5.39 | 4.87 | 5.33 | 5.33 | 5.75% | 1,850,674 |
| Mar 23, 2026 | 5.16 | 5.29 | 5.00 | 5.04 | 5.04 | -2.14% | 1,634,150 |
| Mar 20, 2026 | 5.40 | 5.44 | 5.14 | 5.15 | 5.15 | -4.45% | 5,577,184 |
| Mar 19, 2026 | 5.27 | 5.40 | 5.19 | 5.39 | 5.39 | 1.32% | 1,992,941 |
| Mar 18, 2026 | 5.41 | 5.41 | 5.23 | 5.32 | 5.32 | -2.39% | 1,487,476 |
| Mar 17, 2026 | 5.39 | 5.54 | 5.31 | 5.45 | 5.45 | 0.74% | 2,570,580 |
| Mar 16, 2026 | 5.24 | 5.53 | 5.20 | 5.41 | 5.41 | 4.24% | 1,467,011 |
| Mar 13, 2026 | 5.27 | 5.36 | 5.07 | 5.19 | 5.19 | - | 1,058,600 |
| Mar 12, 2026 | 5.50 | 5.59 | 5.18 | 5.19 | 5.19 | -7.16% | 1,465,103 |
| Mar 11, 2026 | 5.60 | 5.70 | 5.48 | 5.59 | 5.59 | 0.36% | 1,454,504 |
| Mar 10, 2026 | 5.49 | 5.78 | 5.42 | 5.57 | 5.57 | 2.77% | 2,248,107 |
| Mar 9, 2026 | 5.34 | 5.54 | 5.29 | 5.42 | 5.42 | -1.63% | 1,897,312 |
| Mar 6, 2026 | 5.41 | 5.53 | 5.29 | 5.51 | 5.51 | -0.36% | 1,845,393 |
| Mar 5, 2026 | 5.53 | 5.87 | 5.44 | 5.53 | 5.53 | -2.81% | 2,823,256 |
| Mar 4, 2026 | 5.59 | 5.88 | 5.54 | 5.69 | 5.69 | 2.89% | 2,080,682 |
| Mar 3, 2026 | 5.50 | 5.86 | 5.43 | 5.53 | 5.53 | -2.64% | 3,173,595 |
| Mar 2, 2026 | 5.44 | 5.81 | 5.32 | 5.68 | 5.68 | 0.53% | 2,281,462 |
| Feb 27, 2026 | 5.73 | 5.83 | 5.61 | 5.65 | 5.65 | -2.25% | 3,697,149 |
| Feb 26, 2026 | 5.93 | 5.94 | 5.60 | 5.78 | 5.78 | -1.87% | 2,722,013 |
| Feb 25, 2026 | 6.00 | 6.07 | 5.81 | 5.89 | 5.89 | -1.83% | 2,242,417 |
| Feb 24, 2026 | 5.93 | 6.03 | 5.84 | 6.00 | 6.00 | 1.87% | 2,051,087 |
| Feb 23, 2026 | 6.15 | 6.20 | 5.75 | 5.89 | 5.89 | -4.54% | 1,799,986 |
| Feb 20, 2026 | 6.31 | 6.43 | 6.14 | 6.17 | 6.17 | -3.44% | 1,359,373 |
| Feb 19, 2026 | 6.43 | 6.50 | 6.25 | 6.39 | 6.39 | -1.24% | 1,456,789 |
| Feb 18, 2026 | 6.37 | 6.60 | 6.30 | 6.47 | 6.47 | 1.25% | 1,465,684 |
| Feb 17, 2026 | 6.25 | 6.55 | 6.23 | 6.39 | 6.39 | 1.75% | 1,290,131 |
| Feb 13, 2026 | 6.53 | 6.60 | 6.21 | 6.28 | 6.28 | -0.95% | 2,517,335 |
| Feb 12, 2026 | 6.44 | 6.50 | 6.26 | 6.34 | 6.34 | -1.55% | 1,575,167 |
| Feb 11, 2026 | 6.60 | 6.67 | 6.29 | 6.44 | 6.44 | -2.42% | 1,611,037 |
| Feb 10, 2026 | 6.79 | 6.82 | 6.52 | 6.60 | 6.60 | -1.35% | 1,328,933 |
| Feb 9, 2026 | 6.50 | 6.82 | 6.40 | 6.69 | 6.69 | 2.61% | 1,373,581 |
| Feb 6, 2026 | 6.35 | 6.69 | 6.29 | 6.52 | 6.52 | 4.82% | 2,008,084 |
| Feb 5, 2026 | 6.27 | 6.56 | 6.20 | 6.22 | 6.22 | -1.74% | 2,172,885 |
| Feb 4, 2026 | 6.65 | 6.67 | 6.25 | 6.33 | 6.33 | -1.40% | 2,596,999 |
| Feb 3, 2026 | 6.59 | 6.88 | 6.25 | 6.42 | 6.42 | -1.53% | 2,461,726 |
| Feb 2, 2026 | 6.39 | 6.71 | 6.38 | 6.52 | 6.52 | 1.87% | 2,385,377 |
| Jan 30, 2026 | 6.29 | 6.47 | 6.21 | 6.40 | 6.40 | 0.31% | 2,839,040 |
| Jan 29, 2026 | 6.17 | 6.44 | 6.06 | 6.38 | 6.38 | 3.57% | 2,666,935 |
| Jan 28, 2026 | 6.45 | 6.49 | 6.05 | 6.16 | 6.16 | -3.90% | 1,569,392 |
| Jan 27, 2026 | 6.16 | 6.48 | 6.13 | 6.41 | 6.41 | 3.55% | 1,798,899 |
| Jan 26, 2026 | 5.85 | 6.21 | 5.69 | 6.19 | 6.19 | 4.92% | 2,835,322 |
| Jan 23, 2026 | 6.25 | 6.35 | 5.89 | 5.90 | 5.90 | -5.90% | 2,342,065 |
| Jan 22, 2026 | 5.93 | 6.40 | 5.92 | 6.27 | 6.27 | 6.27% | 3,646,208 |
| Jan 21, 2026 | 5.71 | 5.96 | 5.64 | 5.90 | 5.90 | 3.33% | 1,921,568 |
| Jan 20, 2026 | 5.60 | 5.81 | 5.50 | 5.71 | 5.71 | 0.18% | 1,022,878 |
| Jan 16, 2026 | 5.82 | 5.85 | 5.55 | 5.70 | 5.70 | -1.72% | 1,769,633 |
| Jan 15, 2026 | 6.11 | 6.25 | 5.62 | 5.80 | 5.80 | -3.97% | 2,922,906 |
| Jan 14, 2026 | 5.57 | 6.17 | 5.43 | 6.04 | 6.04 | 8.24% | 6,449,479 |
| Jan 13, 2026 | 5.18 | 5.62 | 5.15 | 5.58 | 5.58 | 7.10% | 3,318,377 |
| Jan 12, 2026 | 5.37 | 5.44 | 5.09 | 5.21 | 5.21 | -2.62% | 2,530,776 |
| Jan 9, 2026 | 5.20 | 5.70 | 5.16 | 5.35 | 5.35 | 3.48% | 4,347,981 |
| Jan 8, 2026 | 5.41 | 5.41 | 5.13 | 5.17 | 5.17 | -5.14% | 1,780,779 |
| Jan 7, 2026 | 4.93 | 5.57 | 4.93 | 5.45 | 5.45 | 11.00% | 3,104,217 |
| Jan 6, 2026 | 4.91 | 5.05 | 4.79 | 4.91 | 4.91 | -1.60% | 2,406,129 |
| Jan 5, 2026 | 5.36 | 5.36 | 4.85 | 4.99 | 4.99 | -3.48% | 1,594,554 |
| Jan 2, 2026 | 5.36 | 5.41 | 5.05 | 5.17 | 5.17 | -3.72% | 1,441,130 |
| Dec 31, 2025 | 5.37 | 5.45 | 5.19 | 5.37 | 5.37 | -0.19% | 1,834,374 |
| Dec 30, 2025 | 5.22 | 5.39 | 5.06 | 5.38 | 5.38 | 4.47% | 1,663,883 |
| Dec 29, 2025 | 5.10 | 5.22 | 5.05 | 5.15 | 5.15 | -0.39% | 689,533 |
| Dec 26, 2025 | 5.14 | 5.20 | 5.05 | 5.17 | 5.17 | 0.58% | 946,089 |
| Dec 24, 2025 | 5.18 | 5.20 | 5.03 | 5.14 | 5.14 | - | 630,988 |
| Dec 23, 2025 | 5.15 | 5.24 | 5.03 | 5.14 | 5.14 | - | 1,874,756 |
| Dec 22, 2025 | 5.03 | 5.27 | 5.00 | 5.14 | 5.14 | 3.01% | 1,030,236 |
| Dec 19, 2025 | 5.07 | 5.19 | 4.95 | 4.99 | 4.99 | -0.99% | 8,609,233 |
| Dec 18, 2025 | 5.11 | 5.15 | 4.95 | 5.04 | 5.04 | 1.61% | 1,248,180 |
| Dec 17, 2025 | 5.25 | 5.30 | 4.83 | 4.96 | 4.96 | -5.34% | 2,112,723 |
| Dec 16, 2025 | 5.01 | 5.32 | 5.00 | 5.24 | 5.24 | 3.15% | 1,616,824 |
| Dec 15, 2025 | 5.18 | 5.28 | 5.05 | 5.08 | 5.08 | -1.55% | 1,415,206 |
| Dec 12, 2025 | 5.38 | 5.43 | 5.15 | 5.16 | 5.16 | -4.27% | 1,181,778 |
| Dec 11, 2025 | 5.25 | 5.44 | 5.17 | 5.39 | 5.39 | 2.67% | 1,677,898 |
| Dec 10, 2025 | 5.17 | 5.36 | 5.10 | 5.25 | 5.25 | 2.14% | 1,596,232 |
| Dec 9, 2025 | 5.36 | 5.39 | 5.09 | 5.14 | 5.14 | -4.10% | 1,638,887 |
| Dec 8, 2025 | 5.59 | 5.76 | 5.31 | 5.36 | 5.36 | -3.07% | 1,254,066 |
| Dec 5, 2025 | 5.59 | 5.74 | 5.48 | 5.53 | 5.53 | -0.18% | 1,136,265 |
| Dec 4, 2025 | 5.25 | 5.61 | 5.25 | 5.54 | 5.54 | 4.92% | 1,474,322 |
| Dec 3, 2025 | 5.39 | 5.39 | 5.17 | 5.28 | 5.28 | 1.15% | 2,065,461 |