Collegium Pharmaceutical, Inc. (COLL)
NASDAQ: COLL · Real-Time Price · USD
23.70
-0.60 (-2.47%)
At close: Sep 3, 2026, 4:00 PM EDT
23.69
-0.01 (-0.04%)
After-hours: Sep 3, 2026, 7:30 PM EDT
Collegium Pharmaceutical Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 3, 2026 | 24.30 | 24.43 | 23.64 | 23.70 | 23.70 | -2.47% | 843,121 |
| Sep 2, 2026 | 24.15 | 24.82 | 23.84 | 24.30 | 24.30 | 1.25% | 841,418 |
| Sep 1, 2026 | 24.85 | 25.46 | 23.93 | 24.00 | 24.00 | -2.48% | 1,336,315 |
| Aug 31, 2026 | 25.12 | 25.43 | 24.47 | 24.61 | 24.61 | -2.92% | 1,034,927 |
| Aug 28, 2026 | 26.32 | 26.69 | 25.16 | 25.35 | 25.35 | -4.12% | 813,949 |
| Aug 27, 2026 | 27.26 | 27.41 | 26.21 | 26.44 | 26.44 | -3.89% | 850,081 |
| Aug 26, 2026 | 27.58 | 28.25 | 27.01 | 27.51 | 27.51 | 0.15% | 613,193 |
| Aug 25, 2026 | 27.47 | 27.76 | 27.13 | 27.47 | 27.47 | 0.44% | 534,566 |
| Aug 24, 2026 | 27.08 | 27.99 | 26.87 | 27.35 | 27.35 | 0.89% | 758,313 |
| Aug 21, 2026 | 27.68 | 27.68 | 26.96 | 27.11 | 27.11 | -1.56% | 704,929 |
| Aug 20, 2026 | 28.35 | 28.50 | 27.25 | 27.54 | 27.54 | -4.18% | 606,595 |
| Aug 19, 2026 | 28.89 | 29.65 | 28.51 | 28.74 | 28.74 | 0.84% | 769,362 |
| Aug 18, 2026 | 28.40 | 28.76 | 28.10 | 28.50 | 28.50 | 1.53% | 800,212 |
| Aug 17, 2026 | 28.37 | 29.01 | 27.87 | 28.07 | 28.07 | -0.57% | 865,114 |
| Aug 14, 2026 | 27.59 | 28.52 | 27.14 | 28.23 | 28.23 | 0.28% | 695,329 |
| Aug 13, 2026 | 27.77 | 29.30 | 27.22 | 28.15 | 28.15 | 9.53% | 1,558,477 |
| Aug 12, 2026 | 26.50 | 26.50 | 25.47 | 25.70 | 25.70 | -1.08% | 1,124,508 |
| Aug 11, 2026 | 27.20 | 27.44 | 25.90 | 25.98 | 25.98 | -4.49% | 1,287,866 |
| Aug 10, 2026 | 28.90 | 29.34 | 27.11 | 27.20 | 27.20 | -7.70% | 940,964 |
| Aug 7, 2026 | 29.01 | 29.81 | 28.01 | 29.47 | 29.47 | 1.24% | 978,512 |
| Aug 6, 2026 | 31.68 | 33.03 | 28.90 | 29.11 | 29.11 | -18.55% | 2,132,048 |
| Aug 5, 2026 | 35.71 | 36.42 | 35.42 | 35.74 | 35.74 | 0.03% | 402,417 |
| Aug 4, 2026 | 35.46 | 36.00 | 35.00 | 35.73 | 35.73 | 0.42% | 438,601 |
| Aug 3, 2026 | 35.43 | 36.45 | 34.68 | 35.58 | 35.58 | 0.54% | 374,456 |
| Jul 31, 2026 | 35.71 | 36.28 | 34.40 | 35.39 | 35.39 | -1.64% | 288,493 |
| Jul 30, 2026 | 35.72 | 36.40 | 35.18 | 35.98 | 35.98 | -0.85% | 251,224 |
| Jul 29, 2026 | 35.96 | 36.64 | 35.96 | 36.29 | 36.29 | 1.09% | 349,653 |
| Jul 28, 2026 | 36.00 | 36.56 | 35.52 | 35.90 | 35.90 | 1.07% | 225,604 |
| Jul 27, 2026 | 35.44 | 36.03 | 35.26 | 35.52 | 35.52 | 0.91% | 309,712 |
| Jul 24, 2026 | 35.72 | 35.85 | 35.16 | 35.20 | 35.20 | -1.10% | 254,181 |
| Jul 23, 2026 | 34.32 | 35.69 | 34.00 | 35.59 | 35.59 | 2.51% | 253,217 |
| Jul 22, 2026 | 35.89 | 36.51 | 34.59 | 34.72 | 34.72 | -3.15% | 231,337 |
| Jul 21, 2026 | 35.26 | 36.30 | 35.15 | 35.85 | 35.85 | 0.87% | 301,579 |
| Jul 20, 2026 | 36.15 | 36.92 | 35.31 | 35.54 | 35.54 | -1.50% | 383,546 |
| Jul 17, 2026 | 36.00 | 36.93 | 35.50 | 36.08 | 36.08 | -0.52% | 316,576 |
| Jul 16, 2026 | 37.00 | 37.70 | 36.23 | 36.27 | 36.27 | -1.23% | 379,954 |
| Jul 15, 2026 | 34.89 | 36.76 | 34.51 | 36.72 | 36.72 | 4.85% | 623,962 |
| Jul 14, 2026 | 34.57 | 35.28 | 34.25 | 35.02 | 35.02 | 0.57% | 552,746 |
| Jul 13, 2026 | 35.15 | 35.54 | 34.65 | 34.82 | 34.82 | -1.16% | 343,220 |
| Jul 10, 2026 | 36.12 | 36.27 | 35.14 | 35.23 | 35.23 | -1.62% | 286,216 |
| Jul 9, 2026 | 35.66 | 36.12 | 34.57 | 35.81 | 35.81 | -0.06% | 466,329 |
| Jul 8, 2026 | 36.73 | 36.73 | 35.79 | 35.83 | 35.83 | -1.67% | 445,359 |
| Jul 7, 2026 | 38.21 | 38.50 | 36.38 | 36.44 | 36.44 | -2.75% | 471,253 |
| Jul 6, 2026 | 37.27 | 38.26 | 36.60 | 37.47 | 37.47 | 1.19% | 646,719 |
| Jul 2, 2026 | 36.47 | 37.42 | 36.00 | 37.03 | 37.03 | 3.23% | 480,480 |
| Jul 1, 2026 | 36.55 | 37.22 | 35.74 | 35.87 | 35.87 | -0.91% | 405,897 |
| Jun 30, 2026 | 36.09 | 36.30 | 35.17 | 36.20 | 36.20 | 0.61% | 357,582 |
| Jun 29, 2026 | 36.33 | 36.39 | 35.21 | 35.98 | 35.98 | -1.67% | 510,870 |
| Jun 26, 2026 | 34.94 | 37.11 | 34.94 | 36.59 | 36.59 | 5.02% | 1,618,507 |
| Jun 25, 2026 | 35.37 | 36.18 | 34.54 | 34.84 | 34.84 | -2.08% | 229,561 |