$SPRO: Spero Therapeutics, Inc. - Common Stock
2026-04-21 SPRO 2026-04-21 13:02:48 2.78 2.77 -1.82% SPRO 2026-04-21 15:03:04 2.79 2.78 -1.45% SPRO 2026-04-21 16:03:48 2.82 2.81 -0.70% SPRO 2026-04-21 20:03:36 0.00 0.00 -0.70% 2026-04-22 SPRO 2026-04-22 04:03:52 2.98 2.57 -0.70% SPRO 2026-04-22 09:02:45 2.98 2.02 -0.70% SPRO 2026-04-22 10:03:46 2.89 2.88 3.52% SPRO 2026-04-22 11:02:55 2.88 2.87 3.17% SPRO 2026-04-22 12:05:07 2.88 2.86 3.17% SPRO 2026-04-22 13:02:47 2.88 2.87 3.17% SPRO 2026-04-22 14:03:34 2.86 2.85 2.46% SPRO 2026-04-22 16:04:00 2.85 2.80 2.86% SPRO 2026-04-22 17:02:53 2.84 2.80 1.79% SPRO 2026-04-22 20:03:52 0.00 0.00 1.79% 2026-04-23 SPRO 2026-04-23 04:04:12 3.12 2.57 1.79% SPRO 2026-04-23 06:04:05 3.12 2.81 1.79% SPRO 2026-04-23 07:02:49 2.86 2.81 1.79% SPRO 2026-04-23 09:02:45 2.86 2.81 0.00% SPRO 2026-04-23 10:03:39 2.87 2.86 0.00% SPRO 2026-04-23 11:03:18 2.90 2.89 1.79% SPRO 2026-04-23 12:03:52 2.91 2.90 2.14% SPRO 2026-04-23 13:02:55 2.88 2.87 1.07% SPRO 2026-04-23 14:03:54 2.85 2.84 0.00% SPRO 2026-04-23 15:02:51 2.81 2.80 -1.43% SPRO 2026-04-23 16:03:43 2.90 2.57 -1.75% SPRO 2026-04-23 17:02:51 2.90 2.66 -1.75% SPRO 2026-04-23 20:03:47 0.00 0.00 -1.75% 2026-04-24 SPRO 2026-04-24 04:04:01 2.93 2.52 -1.75% SPRO 2026-04-24 05:02:54 2.93 2.57 -1.75% SPRO 2026-04-24 06:03:50 2.85 2.57 -1.75% SPRO 2026-04-24 09:02:45 2.85 2.69 -1.75% SPRO 2026-04-24 10:03:45 2.81 2.80 0.70% SPRO 2026-04-24 11:02:41 2.78 2.77 -0.70% SPRO 2026-04-24 12:04:26 2.80 2.79 0.00% SPRO 2026-04-24 13:02:44 2.79 2.78 0.00% SPRO 2026-04-24 14:03:36 2.78 2.77 -0.35% SPRO 2026-04-24 15:02:55 2.79 2.78 0.00% SPRO 2026-04-24 16:03:37 2.85 2.69 -1.79% SPRO 2026-04-24 20:04:15 0.00 0.00 -1.79% 2026-04-27 SPRO 2026-04-27 04:03:57 3.09 2.47 -1.79% SPRO 2026-04-27 05:02:46 3.10 2.45 -1.79% SPRO 2026-04-27 06:03:38 3.10 2.50 -1.79% SPRO 2026-04-27 07:02:52 2.91 2.69 -1.43% SPRO 2026-04-27 08:03:37 2.91 2.70 -1.43% SPRO 2026-04-27 09:02:41 2.91 2.23 -1.43% SPRO 2026-04-27 10:03:34 2.74 2.73 -0.36% SPRO 2026-04-27 11:02:41 2.75 2.74 0.36% SPRO 2026-04-27 12:03:39 2.74 2.73 0.00% SPRO 2026-04-27 13:02:35 2.73 2.72 -0.36% SPRO 2026-04-27 15:02:42 2.70 2.69 -1.43% SPRO 2026-04-27 16:03:41 2.73 0.00 -2.55% SPRO 2026-04-27 17:02:38 2.85 2.52 -2.55% SPRO 2026-04-27 19:02:39 2.88 2.52 -2.55% SPRO 2026-04-27 20:03:24 0.00 0.00 -2.55% 2026-04-28 SPRO 2026-04-28 04:03:38 2.93 2.43 -2.55% SPRO 2026-04-28 06:03:30 2.93 2.60 -2.55% SPRO 2026-04-28 07:02:38 2.70 2.61 -2.55% SPRO 2026-04-28 10:03:26 2.72 2.71 2.19% SPRO 2026-04-28 11:02:33 2.70 2.69 1.46% SPRO 2026-04-28 14:03:31 2.68 2.67 0.73% SPRO 2026-04-28 15:02:37 2.71 2.70 1.82% SPRO 2026-04-28 16:03:34 2.75 2.64 0.00% SPRO 2026-04-28 17:02:44 2.75 2.61 0.00% SPRO 2026-04-28 20:03:38 0.00 0.00 0.00% 2026-04-29 SPRO 2026-04-29 04:03:48 2.96 2.35 0.00% SPRO 2026-04-29 07:02:44 2.68 2.58 -1.50% SPRO 2026-04-29 08:03:36 2.68 2.52 -2.25% SPRO 2026-04-29 09:02:43 2.68 2.46 -4.87% SPRO 2026-04-29 10:03:37 2.55 2.54 -4.12% SPRO 2026-04-29 11:02:41 2.54 2.52 -4.49% SPRO 2026-04-29 12:03:36 2.51 2.50 -5.62% SPRO 2026-04-29 14:03:48 2.50 2.48 -6.37% SPRO 2026-04-29 15:02:40 2.53 2.52 -4.87% SPRO 2026-04-29 16:03:39 2.59 2.50 -4.87% SPRO 2026-04-29 17:02:50 2.59 2.46 -4.87% SPRO 2026-04-29 18:03:39 2.73 2.43 -4.87% SPRO 2026-04-29 20:03:44 0.00 0.00 -4.87% 2026-04-30 SPRO 2026-04-30 04:03:35 2.82 2.25 -4.87% SPRO 2026-04-30 07:02:46 2.82 2.47 -4.87% SPRO 2026-04-30 08:03:36 2.80 2.50 -4.87% SPRO 2026-04-30 09:02:42 2.70 2.49 -4.87% SPRO 2026-04-30 10:03:33 2.51 2.50 -0.37% SPRO 2026-04-30 11:02:42 2.56 2.54 1.50% SPRO 2026-04-30 12:03:36 2.58 2.57 1.87% SPRO 2026-04-30 13:02:33 2.55 2.54 1.12% SPRO 2026-04-30 15:03:01 2.54 2.52 0.75% SPRO 2026-04-30 16:03:42 2.59 2.42 -0.40% SPRO 2026-04-30 17:02:59 2.58 2.42 -0.40% SPRO 2026-04-30 18:03:44 2.81 2.50 -0.40% SPRO 2026-04-30 20:03:48 0.00 0.00 -0.40% 2026-05-01 SPRO 2026-05-01 04:03:44 2.88 2.29 -0.40% SPRO 2026-05-01 06:03:38 2.88 2.50 -0.40% SPRO 2026-05-01 08:03:42 2.60 2.52 -0.40% SPRO 2026-05-01 09:02:40 2.58 2.52 2.77% SPRO 2026-05-01 10:03:39 2.59 2.58 3.56% SPRO 2026-05-01 11:03:44 2.63 2.62 5.14% SPRO 2026-05-01 12:03:40 2.55 2.54 1.98% SPRO 2026-05-01 13:02:49 2.50 2.49 0.00% SPRO 2026-05-01 14:03:41 2.51 2.50 0.40% SPRO 2026-05-01 16:04:00 2.52 2.44 -0.80% SPRO 2026-05-01 17:02:33 2.60 2.46 -0.80% SPRO 2026-05-01 18:03:33 2.74 2.46 -0.80% SPRO 2026-05-01 20:03:37 0.00 0.00 -0.80% 2026-05-04 SPRO 2026-05-04 04:03:45 2.93 2.25 -0.80% SPRO 2026-05-04 07:02:42 2.73 2.25 6.77% SPRO 2026-05-04 08:03:33 2.69 2.40 6.77% SPRO 2026-05-04 09:02:55 2.63 2.49 6.77% SPRO 2026-05-04 10:04:30 2.51 2.50 1.59% SPRO 2026-05-04 11:02:45 2.54 2.52 2.79% SPRO 2026-05-04 12:03:44 2.52 2.50 1.59% SPRO 2026-05-04 13:02:53 2.52 2.50 1.99% SPRO 2026-05-04 14:04:27 2.54 2.52 2.79% SPRO 2026-05-04 15:02:47 2.52 2.50 1.59% SPRO 2026-05-04 16:03:38 2.62 2.42 1.21% SPRO 2026-05-04 20:03:46 0.00 0.00 1.21% 2026-05-05 SPRO 2026-05-05 04:04:08 3.09 2.29 1.21% SPRO 2026-05-05 05:03:09 2.95 2.29 1.21% SPRO 2026-05-05 07:02:44 2.93 2.29 1.21% SPRO 2026-05-05 08:03:37 2.59 2.52 1.21% SPRO 2026-05-05 09:02:45 2.59 2.48 1.61% SPRO 2026-05-05 10:03:35 2.55 2.54 2.42% SPRO 2026-05-05 11:02:43 2.52 2.50 1.21% SPRO 2026-05-05 12:03:52 2.51 2.50 0.00% SPRO 2026-05-05 13:02:52 2.48 2.47 -0.81% SPRO 2026-05-05 14:03:41 2.48 2.46 -0.81% SPRO 2026-05-05 15:02:45 2.45 2.44 -1.61% SPRO 2026-05-05 16:03:41 2.64 2.43 -3.20% SPRO 2026-05-05 18:03:31 2.64 2.46 -3.20% SPRO 2026-05-05 19:02:52 2.73 2.46 -3.20% SPRO 2026-05-05 20:03:50 0.00 0.00 -3.20% 2026-05-06 SPRO 2026-05-06 04:04:01 3.09 2.22 -3.20% SPRO 2026-05-06 05:02:23 3.09 2.31 -3.20% SPRO 2026-05-06 07:02:27 2.50 2.31 -3.20% SPRO 2026-05-06 08:03:22 2.69 2.40 -3.20% SPRO 2026-05-06 09:02:25 2.80 2.48 -3.20% SPRO 2026-05-06 10:03:21 2.52 2.50 4.40% SPRO 2026-05-06 12:03:25 2.48 2.47 2.80% SPRO 2026-05-06 13:02:26 2.52 2.50 4.40% SPRO 2026-05-06 14:03:38 2.55 2.54 5.60% SPRO 2026-05-06 15:02:42 2.56 2.54 6.00% SPRO 2026-05-06 16:03:25 2.70 2.45 4.96% SPRO 2026-05-06 17:02:34 2.70 2.44 4.96% SPRO 2026-05-06 20:03:20 0.00 0.00 4.96% 2026-05-07 SPRO 2026-05-07 04:03:21 3.05 2.29 4.96% SPRO 2026-05-07 05:02:25 2.80 2.29 4.96% SPRO 2026-05-07 07:02:35 2.60 2.50 1.24% SPRO 2026-05-07 08:03:24 2.62 2.54 2.89% SPRO 2026-05-07 10:03:16 2.56 2.54 1.65% SPRO 2026-05-07 11:02:24 2.57 2.56 2.07% SPRO 2026-05-07 12:03:16 2.54 2.52 0.41% SPRO 2026-05-07 13:02:29 2.50 2.49 -0.83% SPRO 2026-05-07 14:03:21 2.52 2.50 0.00% SPRO 2026-05-07 16:03:19 2.65 2.50 -0.40% SPRO 2026-05-07 19:02:25 2.80 2.50 -0.40% SPRO 2026-05-07 20:03:15 0.00 0.00 -0.40% 2026-05-08 SPRO 2026-05-08 04:03:24 3.05 2.47 -0.40% SPRO 2026-05-08 08:03:19 2.59 2.50 -0.40% SPRO 2026-05-08 09:02:22 2.59 2.52 -0.40% SPRO 2026-05-08 10:03:17 2.55 2.54 1.98% SPRO 2026-05-08 11:02:44 2.54 2.52 1.58% SPRO 2026-05-08 13:02:22 2.55 2.54 1.98% SPRO 2026-05-08 14:03:19 2.57 2.56 2.77% SPRO 2026-05-08 15:02:27 2.55 2.54 1.98% SPRO 2026-05-08 16:03:20 2.58 2.49 2.39% SPRO 2026-05-08 17:02:25 2.65 2.27 2.39% SPRO 2026-05-08 18:03:09 2.80 2.27 2.39% SPRO 2026-05-08 20:03:19 0.00 0.00 2.39% 2026-05-11 SPRO 2026-05-11 04:03:24 3.05 2.31 2.39% SPRO 2026-05-11 05:02:21 2.65 2.54 2.39% SPRO 2026-05-11 07:02:19 2.64 2.54 2.39% SPRO 2026-05-11 10:03:15 2.65 2.64 3.59% SPRO 2026-05-11 11:02:21 2.63 2.62 2.79% SPRO 2026-05-11 12:03:24 2.62 2.61 2.79% SPRO 2026-05-11 13:02:28 2.59 2.58 1.20% SPRO 2026-05-11 14:03:11 2.57 2.56 0.40% SPRO 2026-05-11 15:02:36 2.55 2.54 0.00% SPRO 2026-05-11 16:03:09 2.79 2.50 0.00% SPRO 2026-05-11 17:02:26 2.60 2.50 0.00% SPRO 2026-05-11 18:03:18 2.79 2.50 0.00% SPRO 2026-05-11 20:03:13 0.00 0.00 0.00% 2026-05-12 SPRO 2026-05-12 04:03:23 2.63 2.33 0.00% SPRO 2026-05-12 05:02:27 2.63 2.39 0.00% SPRO 2026-05-12 07:02:28 2.63 2.47 0.00% SPRO 2026-05-12 09:02:30 2.97 2.47 0.00% SPRO 2026-05-12 10:03:21 2.53 2.52 -0.78% SPRO 2026-05-12 11:02:20 2.51 2.50 -1.56% SPRO 2026-05-12 12:03:18 2.51 2.50 -1.17% SPRO 2026-05-12 13:02:24 2.51 2.50 -1.56% SPRO 2026-05-12 14:03:21 2.54 2.52 0.00% SPRO 2026-05-12 15:02:25 2.53 2.52 -0.39% SPRO 2026-05-12 16:03:26 2.60 2.50 0.00% SPRO 2026-05-12 17:02:24 2.60 2.48 -1.57% SPRO 2026-05-12 20:03:22 0.00 0.00 -1.57% 2026-05-13 SPRO 2026-05-13 04:03:29 2.86 2.48 -1.57% SPRO 2026-05-13 06:03:14 2.86 2.23 -1.57% SPRO 2026-05-13 07:02:19 2.82 2.33 -1.57% SPRO 2026-05-13 08:03:15 2.60 2.48 1.96% SPRO 2026-05-13 10:03:21 2.50 2.49 -1.57% SPRO 2026-05-13 11:02:20 2.48 2.46 -2.35% SPRO 2026-05-13 13:02:27 2.48 2.47 -2.35% SPRO 2026-05-13 14:03:13 2.48 2.46 -2.35% SPRO 2026-05-13 15:02:19 2.46 2.45 -3.14% SPRO 2026-05-13 16:03:19 2.50 2.41 -4.72% SPRO 2026-05-13 17:02:31 2.50 2.45 -3.15% SPRO 2026-05-13 19:02:25 2.60 2.45 -3.15% SPRO 2026-05-13 20:03:19 0.00 0.00 -3.15% 2026-05-14 SPRO 2026-05-14 04:03:25 2.86 2.24 -3.15% SPRO 2026-05-14 05:02:27 2.86 2.42 -3.15% SPRO 2026-05-14 06:03:19 2.71 2.44 -3.15% SPRO 2026-05-14 07:02:28 2.64 2.44 -3.15% SPRO 2026-05-14 09:02:31 2.91 2.44 -3.15% SPRO 2026-05-14 10:03:28 2.48 2.47 1.97% SPRO 2026-05-14 11:02:23 2.60 2.59 6.69% SPRO 2026-05-14 13:03:22 2.63 2.62 7.48% SPRO 2026-05-14 14:02:33 2.75 2.74 12.60% SPRO 2026-05-14 15:03:30 2.70 2.69 9.84% SPRO 2026-05-14 16:02:19 2.78 2.64 13.52% SPRO 2026-05-14 20:02:24 0.00 0.00 13.52% 2026-05-15 SPRO 2026-05-15 04:02:23 2.95 2.39 13.52% SPRO 2026-05-15 05:03:25 2.76 2.39 0.00% SPRO 2026-05-15 06:02:20 2.75 2.39 0.00% SPRO 2026-05-15 07:03:22 2.74 2.39 -4.10% SPRO 2026-05-15 08:02:25 2.73 2.65 -4.10% SPRO 2026-05-15 09:03:18 2.73 2.66 -4.10% SPRO 2026-05-15 10:02:27 2.80 2.79 2.05% SPRO 2026-05-15 11:03:28 2.86 2.85 4.51% SPRO 2026-05-15 12:02:19 2.79 2.78 1.64% SPRO 2026-05-15 13:03:21 2.74 2.73 -0.41% SPRO 2026-05-15 14:02:19 2.77 2.76 0.82% SPRO 2026-05-15 15:03:22 2.79 2.78 1.64% SPRO 2026-05-15 16:02:26 2.87 2.79 1.45% SPRO 2026-05-15 18:02:28 2.84 2.79 1.45% SPRO 2026-05-15 20:02:29 0.00 0.00 1.45% 2026-05-18 SPRO 2026-05-18 04:03:26 3.08 2.70 1.45% SPRO 2026-05-18 07:02:23 2.79 2.71 1.45% SPRO 2026-05-18 08:03:25 2.84 2.76 -2.17% SPRO 2026-05-18 09:02:35 2.83 2.70 -2.17% SPRO 2026-05-18 10:03:13 2.68 2.67 -3.62% SPRO 2026-05-18 11:02:22 2.69 2.68 -3.62% SPRO 2026-05-18 12:03:22 2.68 2.67 -3.62% SPRO 2026-05-18 13:02:30 2.66 2.65 -4.35% SPRO 2026-05-18 14:03:23 2.62 2.61 -5.80% SPRO 2026-05-18 15:02:23 2.60 2.59 -6.52% SPRO 2026-05-18 16:03:26 2.80 2.57 -0.72% SPRO 2026-05-18 17:02:25 2.64 2.57 -0.72% SPRO 2026-05-18 18:03:17 2.66 2.58 -0.72% SPRO 2026-05-18 19:02:25 2.66 2.57 -0.72% SPRO 2026-05-18 20:03:17 0.00 0.00 -0.72% 2026-05-19 SPRO 2026-05-19 04:03:34 3.08 2.29 -0.72% SPRO 2026-05-19 06:03:21 3.08 2.31 -0.72% SPRO 2026-05-19 07:02:26 2.83 2.43 -0.72% SPRO 2026-05-19 08:03:18 2.58 2.52 -0.72% SPRO 2026-05-19 09:02:24 2.61 2.54 -0.72% SPRO 2026-05-19 10:03:27 2.54 2.52 -1.43% SPRO 2026-05-19 11:02:23 2.61 2.60 1.08% SPRO 2026-05-19 12:03:28 2.57 2.56 -0.36% SPRO 2026-05-19 13:02:24 2.60 2.59 0.36% SPRO 2026-05-19 14:03:20 2.62 2.61 1.79% SPRO 2026-05-19 15:02:22 2.60 2.59 1.08% SPRO 2026-05-19 16:03:09 2.58 2.56 0.39% SPRO 2026-05-19 17:02:32 2.62 2.56 0.00% SPRO 2026-05-19 18:03:16 2.84 2.56 0.00% SPRO 2026-05-19 19:02:34 2.84 2.50 0.00% SPRO 2026-05-19 20:03:21 0.00 0.00 0.00% 2026-05-20 SPRO 2026-05-20 04:03:26 3.08 2.31 0.00% SPRO 2026-05-20 05:02:27 3.08 2.33 0.00% SPRO 2026-05-20 07:02:23 2.91 2.37 0.00% SPRO 2026-05-20 08:03:16 2.93 2.59 0.00% SPRO 2026-05-20 09:02:25 3.45 2.59 0.00% SPRO 2026-05-20 10:03:15 2.57 2.56 -0.78% SPRO 2026-05-20 11:02:22 2.62 2.61 1.55% SPRO 2026-05-20 12:03:21 2.63 2.62 1.94% SPRO 2026-05-20 13:02:22 2.65 2.64 2.33% SPRO 2026-05-20 14:03:15 2.63 2.62 1.94% SPRO 2026-05-20 15:02:29 2.62 2.61 1.16% SPRO 2026-05-20 16:03:20 2.70 2.59 1.93% SPRO 2026-05-20 17:02:28 2.65 2.59 1.93% SPRO 2026-05-20 18:03:19 2.70 2.59 1.93% SPRO 2026-05-20 20:03:13 0.00 0.00 1.93% 2026-05-21 SPRO 2026-05-21 04:03:29 3.08 2.18 1.93% SPRO 2026-05-21 05:02:28 2.93 2.18 1.93% SPRO 2026-05-21 07:02:23 2.70 2.63 1.93% SPRO 2026-05-21 08:03:21 2.67 2.57 1.54% SPRO 2026-05-21 10:03:22 2.62 2.61 -0.77% SPRO 2026-05-21 11:02:24 2.58 2.57 -2.32% SPRO 2026-05-21 12:03:20 2.60 2.59 -1.54%