$COLL: Collegium Pharmaceutical, Inc. - Common Stock
2026-03-23 COLL 2026-03-23 00:04:08 0.00 0.00 -0.44% COLL 2026-03-23 04:02:14 47.82 31.54 -0.44% COLL 2026-03-23 07:01:46 47.82 32.00 -0.44% COLL 2026-03-23 08:02:11 47.62 32.00 -0.44% COLL 2026-03-23 09:01:54 47.16 32.00 7.05% COLL 2026-03-23 10:02:10 36.12 35.82 1.27% COLL 2026-03-23 11:01:58 35.78 35.60 0.69% COLL 2026-03-23 12:02:20 35.05 34.99 -1.07% COLL 2026-03-23 13:01:51 35.03 34.93 -1.16% COLL 2026-03-23 14:02:16 34.96 34.84 -1.38% COLL 2026-03-23 15:01:57 34.80 34.72 -1.85% COLL 2026-03-23 16:02:38 35.42 32.00 -1.90% COLL 2026-03-23 17:02:11 35.42 32.00 -1.95% COLL 2026-03-23 20:03:15 0.00 0.00 -1.95% 2026-03-24 COLL 2026-03-24 04:02:52 47.82 31.82 -1.95% COLL 2026-03-24 06:02:59 37.99 31.82 -1.95% COLL 2026-03-24 08:02:00 47.82 31.82 -1.95% COLL 2026-03-24 10:02:10 34.35 34.18 -1.38% COLL 2026-03-24 11:01:46 33.35 33.18 -4.32% COLL 2026-03-24 12:02:01 33.11 33.07 -4.66% COLL 2026-03-24 13:02:11 33.18 33.04 -4.40% COLL 2026-03-24 14:02:17 33.36 33.29 -3.89% COLL 2026-03-24 15:01:49 33.55 33.46 -3.39% COLL 2026-03-24 16:02:06 33.89 32.59 -4.23% COLL 2026-03-24 17:01:43 33.89 32.59 -5.73% COLL 2026-03-24 19:16:31 Collegium Pharmaceutical, Inc. (COLL) Discusses Acquisition of AZSTARYS to Expand ADHD Portfolio and Accelerate Growth - Slideshow COLL 2026-03-24 20:02:14 0.00 0.00 -5.73% 2026-03-25 COLL 2026-03-25 04:02:31 52.53 31.40 -5.73% COLL 2026-03-25 05:01:59 52.62 31.40 -5.73% COLL 2026-03-25 06:02:20 52.71 31.40 -5.73% COLL 2026-03-25 07:01:49 52.71 32.00 -5.73% COLL 2026-03-25 08:01:58 53.16 33.43 -5.73% COLL 2026-03-25 09:01:46 48.84 32.00 -5.73% COLL 2026-03-25 10:02:25 33.79 33.63 1.32% COLL 2026-03-25 11:02:09 33.54 33.47 0.81% COLL 2026-03-25 12:01:59 33.53 33.43 0.60% COLL 2026-03-25 13:01:51 33.41 33.35 0.55% COLL 2026-03-25 14:02:09 33.49 33.42 0.66% COLL 2026-03-25 15:01:57 33.33 33.25 0.26% COLL 2026-03-25 16:02:16 33.91 32.60 0.09% COLL 2026-03-25 17:01:59 33.68 32.60 1.56% COLL 2026-03-25 18:02:25 33.91 32.60 1.56% COLL 2026-03-25 19:02:15 33.91 32.60 -0.42% COLL 2026-03-25 20:02:24 0.00 0.00 -0.42% 2026-03-26 COLL 2026-03-26 04:02:05 45.00 31.40 -0.42% COLL 2026-03-26 10:02:02 33.35 33.17 0.00% COLL 2026-03-26 11:02:02 33.33 33.22 0.12% COLL 2026-03-26 12:02:12 33.29 33.17 -0.09% COLL 2026-03-26 13:02:21 33.23 33.17 -0.24% COLL 2026-03-26 14:02:21 33.42 33.36 0.36% COLL 2026-03-26 15:02:17 33.37 33.32 0.30% COLL 2026-03-26 16:02:44 34.08 32.77 0.54% COLL 2026-03-26 20:02:20 0.00 0.00 0.54% 2026-03-27 COLL 2026-03-27 04:02:27 53.38 31.40 0.54% COLL 2026-03-27 05:01:53 53.47 31.40 0.54% COLL 2026-03-27 06:02:49 52.79 31.40 0.54% COLL 2026-03-27 07:02:33 53.47 33.20 0.54% COLL 2026-03-27 10:02:38 33.03 32.93 -1.23% COLL 2026-03-27 11:02:07 32.88 32.81 -1.65% COLL 2026-03-27 12:02:48 32.70 32.64 -2.32% COLL 2026-03-27 13:02:29 32.65 32.57 -2.53% COLL 2026-03-27 14:02:23 32.70 32.65 -2.26% COLL 2026-03-27 15:02:16 32.53 32.50 -2.68% COLL 2026-03-27 16:02:28 0.00 31.81 -2.95% COLL 2026-03-27 17:02:11 36.03 31.81 -2.93% COLL 2026-03-27 20:01:49 0.00 0.00 -2.93% 2026-03-30 COLL 2026-03-30 04:02:16 51.80 31.40 -2.93% COLL 2026-03-30 05:01:44 51.56 31.40 -2.93% COLL 2026-03-30 06:01:59 51.56 31.40 -1.29% COLL 2026-03-30 07:01:40 35.66 31.40 -1.29% COLL 2026-03-30 08:02:00 36.03 31.40 -1.29% COLL 2026-03-30 10:01:58 32.79 32.61 0.60% COLL 2026-03-30 11:01:40 32.78 32.72 0.93% COLL 2026-03-30 12:01:59 32.60 32.52 0.51% COLL 2026-03-30 13:01:41 32.44 32.36 -0.09% COLL 2026-03-30 14:02:01 32.32 32.27 -0.45% COLL 2026-03-30 15:01:46 31.99 31.94 -1.41% COLL 2026-03-30 16:02:02 32.61 31.40 -1.32% COLL 2026-03-30 17:01:51 32.61 31.40 -1.36% COLL 2026-03-30 20:02:09 0.00 0.00 -1.36% 2026-03-31 COLL 2026-03-31 04:02:39 35.79 26.98 -1.36% COLL 2026-03-31 05:02:22 35.45 26.98 -1.36% COLL 2026-03-31 07:01:44 33.20 28.51 -1.36% COLL 2026-03-31 08:01:59 33.20 28.14 -1.36% COLL 2026-03-31 10:01:57 32.86 32.64 2.37% COLL 2026-03-31 11:01:50 32.78 32.68 2.47% COLL 2026-03-31 12:02:09 32.83 32.75 2.50% COLL 2026-03-31 13:01:51 32.82 32.68 2.37% COLL 2026-03-31 14:02:10 32.85 32.77 2.56% COLL 2026-03-31 15:02:01 33.12 32.93 3.27% COLL 2026-03-31 16:02:22 36.03 32.43 2.68% COLL 2026-03-31 17:02:02 36.03 32.43 2.72% COLL 2026-03-31 20:02:16 0.00 0.00 2.72% 2026-04-01 COLL 2026-04-01 04:02:17 52.58 31.40 2.72% COLL 2026-04-01 05:02:07 52.91 31.40 -0.44% COLL 2026-04-01 09:02:25 42.95 31.40 -3.22% COLL 2026-04-01 10:02:30 33.38 33.17 0.56% COLL 2026-04-01 11:01:54 33.33 33.25 0.72% COLL 2026-04-01 12:02:42 33.45 33.40 1.09% COLL 2026-04-01 13:01:44 33.89 33.79 2.47% COLL 2026-04-01 14:01:59 33.40 33.31 0.78% COLL 2026-04-01 15:01:47 33.26 33.21 0.56% COLL 2026-04-01 16:02:11 33.90 31.40 0.56% COLL 2026-04-01 17:01:51 33.90 31.40 0.54% COLL 2026-04-01 20:02:06 0.00 0.00 0.54% 2026-04-02 COLL 2026-04-02 04:01:58 52.58 32.75 0.54% COLL 2026-04-02 07:01:32 39.20 32.75 0.54% COLL 2026-04-02 10:01:55 32.87 32.79 -1.18% COLL 2026-04-02 11:01:30 33.06 33.00 -0.60% COLL 2026-04-02 12:01:52 32.85 32.78 -1.39% COLL 2026-04-02 13:01:34 32.53 32.43 -2.36% COLL 2026-04-02 14:01:50 32.29 32.24 -2.90% COLL 2026-04-02 15:01:40 32.36 32.32 -2.69% COLL 2026-04-02 16:01:52 32.94 31.69 -2.81% COLL 2026-04-02 17:01:39 32.94 31.69 -2.80% COLL 2026-04-02 20:01:57 0.00 0.00 -2.80% 2026-04-06 COLL 2026-04-06 04:02:01 51.35 29.50 -2.80% COLL 2026-04-06 05:01:32 51.69 29.50 -2.80% COLL 2026-04-06 07:02:04 32.56 29.50 -2.80% COLL 2026-04-06 09:01:37 32.56 32.20 -2.80% COLL 2026-04-06 10:02:03 32.17 31.96 -0.78% COLL 2026-04-06 11:01:41 32.71 32.54 0.99% COLL 2026-04-06 12:01:57 32.91 32.75 1.74% COLL 2026-04-06 13:01:42 32.70 32.61 0.99% COLL 2026-04-06 14:02:05 32.62 32.54 0.90% COLL 2026-04-06 15:01:35 32.56 32.52 0.69% COLL 2026-04-06 16:02:23 33.23 31.96 0.87% COLL 2026-04-06 17:01:43 33.23 31.96 0.90% COLL 2026-04-06 20:02:11 0.00 0.00 0.90% 2026-04-07 COLL 2026-04-07 04:01:59 36.28 26.98 0.90% COLL 2026-04-07 05:01:45 35.82 26.98 0.90% COLL 2026-04-07 07:01:41 33.43 26.98 0.90% COLL 2026-04-07 10:01:59 32.65 32.43 0.12% COLL 2026-04-07 11:01:40 32.94 32.82 0.87% COLL 2026-04-07 12:02:09 32.66 32.54 0.15% COLL 2026-04-07 13:01:46 32.71 32.61 0.34% COLL 2026-04-07 14:02:02 32.89 32.82 0.80% COLL 2026-04-07 15:01:40 32.81 32.70 0.34% COLL 2026-04-07 16:01:23 8-K Sec report https://www.sec.gov/Archives/edgar/data/1267565/000162828026024061/0001628280-26-024061-index.htm 8-K - COLLEGIUM PHARMACEUTICAL, INC (0001267565) (Filer) COLL 2026-04-07 16:02:00 36.28 32.11 0.53% COLL 2026-04-07 17:01:40 36.28 32.11 0.52% COLL 2026-04-07 20:02:02 0.00 0.00 0.52% 2026-04-08 COLL 2026-04-08 04:02:03 52.41 31.40 0.52% COLL 2026-04-08 05:01:46 51.70 31.40 0.52% COLL 2026-04-08 07:01:53 48.36 31.40 0.52% COLL 2026-04-08 10:02:13 33.55 33.35 2.15% COLL 2026-04-08 11:01:50 33.57 33.43 2.15% COLL 2026-04-08 12:02:00 33.47 33.36 2.15% COLL 2026-04-08 13:01:47 33.67 33.57 2.79% COLL 2026-04-08 14:02:03 33.83 33.77 3.25% COLL 2026-04-08 15:03:03 33.48 33.46 2.21% COLL 2026-04-08 16:02:06 34.11 32.75 2.09% COLL 2026-04-08 17:01:40 34.11 32.75 2.08% COLL 2026-04-08 20:02:05 0.00 0.00 2.08% 2026-04-09 COLL 2026-04-09 04:02:15 37.03 27.05 2.08% COLL 2026-04-09 05:01:42 37.03 27.10 -0.31% COLL 2026-04-09 06:02:02 37.03 26.98 -0.31% COLL 2026-04-09 07:01:51 37.03 27.10 -0.31% COLL 2026-04-09 08:02:24 37.03 26.98 -0.31% COLL 2026-04-09 10:02:04 33.97 33.70 1.74% COLL 2026-04-09 11:01:38 34.21 34.11 2.20% COLL 2026-04-09 12:01:54 34.30 34.17 2.50% COLL 2026-04-09 13:01:39 34.73 34.57 3.85% COLL 2026-04-09 14:02:04 34.96 34.89 4.58% COLL 2026-04-09 15:01:40 35.08 35.02 5.01% COLL 2026-04-09 16:02:02 35.94 34.57 5.59% COLL 2026-04-09 17:01:42 35.94 34.57 5.47% COLL 2026-04-09 20:02:14 0.00 0.00 5.47% 2026-04-10 COLL 2026-04-10 04:02:02 56.40 29.15 5.47% COLL 2026-04-10 07:02:10 39.28 29.15 5.47% COLL 2026-04-10 09:01:43 39.22 29.46 5.47% COLL 2026-04-10 10:01:54 35.36 35.24 0.21% COLL 2026-04-10 11:01:38 35.31 35.27 0.21% COLL 2026-04-10 12:03:43 35.08 35.02 -0.54% COLL 2026-04-10 13:01:49 35.04 34.97 -0.72% COLL 2026-04-10 14:02:05 35.10 35.03 -0.42% COLL 2026-04-10 15:01:39 35.17 35.11 -0.30% COLL 2026-04-10 16:02:04 36.16 34.79 0.66% COLL 2026-04-10 17:01:40 36.16 35.00 0.62% COLL 2026-04-10 20:02:16 0.00 0.00 0.62% 2026-04-13 COLL 2026-04-13 04:02:04 56.75 33.32 0.11% COLL 2026-04-13 07:01:36 39.62 33.32 0.11% COLL 2026-04-13 09:01:34 39.13 33.32 0.11% COLL 2026-04-13 10:01:56 35.43 35.29 -0.23% COLL 2026-04-13 11:01:34 34.80 34.70 -1.93% COLL 2026-04-13 12:01:58 34.37 34.31 -3.12% COLL 2026-04-13 13:01:43 34.92 34.86 -1.62% COLL 2026-04-13 14:01:54 35.38 35.32 -0.23% COLL 2026-04-13 15:01:43 35.32 35.27 -0.45% COLL 2026-04-13 16:02:12 39.62 34.93 0.42% COLL 2026-04-13 20:02:30 0.00 0.00 0.42% 2026-04-14 COLL 2026-04-14 04:01:57 56.99 32.50 -0.45% COLL 2026-04-14 05:01:34 56.63 32.50 -0.45% COLL 2026-04-14 06:02:04 56.33 32.50 -0.45% COLL 2026-04-14 07:01:45 39.62 32.50 -0.45% COLL 2026-04-14 08:02:07 39.12 32.50 -0.45% COLL 2026-04-14 10:01:58 36.30 36.17 1.58% COLL 2026-04-14 11:01:51 35.70 35.65 0.17% COLL 2026-04-14 12:02:02 35.87 35.81 0.68% COLL 2026-04-14 13:01:52 35.89 35.85 0.70% COLL 2026-04-14 14:01:57 35.63 35.60 0.06% COLL 2026-04-14 15:01:40 35.68 35.63 0.11% COLL 2026-04-14 16:01:54 36.61 32.50 0.08% COLL 2026-04-14 17:01:36 36.61 35.35 0.39% COLL 2026-04-14 20:02:12 0.00 0.00 0.39% 2026-04-15 COLL 2026-04-15 04:02:03 45.00 29.73 0.39% COLL 2026-04-15 05:01:32 45.00 29.73 -0.62% COLL 2026-04-15 07:01:34 39.62 29.73 2.25% COLL 2026-04-15 09:01:35 42.07 26.67 2.25% COLL 2026-04-15 10:06:22 35.97 35.75 0.62% COLL 2026-04-15 11:01:38 35.44 35.24 -0.62% COLL 2026-04-15 12:02:06 35.60 35.50 -0.28% COLL 2026-04-15 13:01:42 35.37 35.21 -1.09% COLL 2026-04-15 14:01:56 35.40 35.34 -0.70% COLL 2026-04-15 15:01:45 35.43 35.36 -0.59% COLL 2026-04-15 16:02:11 35.61 34.25 -1.12% COLL 2026-04-15 20:02:13 0.00 0.00 -1.12% 2026-04-16 COLL 2026-04-16 04:02:24 55.88 29.73 -1.12% COLL 2026-04-16 05:01:43 55.88 31.82 -1.12% COLL 2026-04-16 06:02:06 55.24 29.73 -0.90% COLL 2026-04-16 07:02:03 39.62 31.24 -1.40% COLL 2026-04-16 08:02:03 39.62 31.57 -1.40% COLL 2026-04-16 09:01:39 42.52 28.16 -0.31% COLL 2026-04-16 10:01:51 34.00 33.70 -2.78% COLL 2026-04-16 11:01:38 33.46 33.32 -4.32% COLL 2026-04-16 12:02:00 33.40 33.27 -4.60% COLL 2026-04-16 13:01:37 32.98 32.86 -5.64% COLL 2026-04-16 14:01:57 32.90 32.77 -5.84% COLL 2026-04-16 15:02:01 33.69 33.54 -3.59% COLL 2026-04-16 16:02:00 33.68 0.00 -5.41% COLL 2026-04-16 17:01:50 33.68 29.73 -5.41% COLL 2026-04-16 18:02:10 33.68 32.70 -5.41% COLL 2026-04-16 20:02:32 0.00 0.00 -5.41% 2026-04-17 COLL 2026-04-17 04:02:12 52.40 32.50 -5.41% COLL 2026-04-17 06:02:00 52.62 32.50 -5.41% COLL 2026-04-17 07:01:53 39.62 32.50 -5.41% COLL 2026-04-17 09:01:38 42.91 32.50 0.20% COLL 2026-04-17 10:02:11 33.14 33.11 0.29% COLL 2026-04-17 11:01:49 33.28 33.18 0.57% COLL 2026-04-17 12:02:13 33.65 33.57 1.63% COLL 2026-04-17 13:02:21 34.11 34.04 2.98% COLL 2026-04-17 14:02:21 33.91 33.82 2.38% COLL 2026-04-17 15:01:50 34.04 33.95 2.66% COLL 2026-04-17 16:02:14 35.08 33.75 4.18% COLL 2026-04-17 20:02:44 0.00 0.00 4.18%