$SPRO: Spero Therapeutics, Inc. - Common Stock
2025-11-24 SPRO 2025-11-24 00:17:06 0.00 0.00 2.65% SPRO 2025-11-24 05:02:45 3.58 0.00 2.65% SPRO 2025-11-24 06:03:40 2.71 2.24 2.65% SPRO 2025-11-24 08:03:40 2.60 2.24 2.65% SPRO 2025-11-24 09:02:44 2.42 2.24 2.65% SPRO 2025-11-24 10:03:30 2.40 2.24 2.65% SPRO 2025-11-24 11:02:43 2.38 2.37 3.10% SPRO 2025-11-24 12:03:33 2.35 2.33 2.21% SPRO 2025-11-24 13:02:43 2.36 2.35 2.21% SPRO 2025-11-24 14:06:37 2.35 2.33 2.21% SPRO 2025-11-24 15:02:50 2.39 2.37 3.98% SPRO 2025-11-24 16:05:21 2.38 2.37 3.10% SPRO 2025-11-24 17:03:06 2.46 2.31 3.10% SPRO 2025-11-24 18:03:35 2.45 2.31 3.03% SPRO 2025-11-24 21:06:14 0.00 0.00 3.03% 2025-11-25 SPRO 2025-11-25 05:02:48 3.58 0.00 3.03% SPRO 2025-11-25 06:04:10 2.58 2.02 3.03% SPRO 2025-11-25 08:03:40 2.58 2.10 3.03% SPRO 2025-11-25 09:02:46 2.58 2.29 3.03% SPRO 2025-11-25 11:02:49 2.33 2.31 -2.60% SPRO 2025-11-25 12:03:44 2.34 2.33 -1.73% SPRO 2025-11-25 13:02:42 2.35 2.33 -0.87% SPRO 2025-11-25 14:03:36 2.36 2.35 -0.87% SPRO 2025-11-25 16:03:40 2.35 2.33 -0.87% SPRO 2025-11-25 17:02:44 2.38 2.33 -1.73% SPRO 2025-11-25 18:03:22 2.38 2.31 -2.52% SPRO 2025-11-25 19:02:30 2.55 2.24 -2.52% SPRO 2025-11-25 21:08:32 0.00 0.00 -2.52% 2025-11-26 SPRO 2025-11-26 05:02:40 3.58 0.00 -2.52% SPRO 2025-11-26 06:03:37 2.63 2.29 -2.52% SPRO 2025-11-26 09:02:40 2.43 2.29 -2.52% SPRO 2025-11-26 10:03:35 2.43 2.29 -0.84% SPRO 2025-11-26 11:02:42 2.36 2.35 1.26% SPRO 2025-11-26 12:03:30 2.32 2.31 -0.84% SPRO 2025-11-26 13:03:00 2.30 2.29 -1.26% SPRO 2025-11-26 14:03:36 2.34 2.33 0.00% SPRO 2025-11-26 16:03:35 2.36 2.35 1.26% SPRO 2025-11-26 17:02:46 2.34 2.29 0.00% SPRO 2025-11-26 18:03:41 2.33 2.27 0.00% SPRO 2025-11-26 21:08:53 0.00 0.00 0.00% 2025-11-27 SPRO 2025-11-27 19:02:50 2.33 2.27 0.00% SPRO 2025-11-27 21:06:36 0.00 0.00 0.00% 2025-11-28 SPRO 2025-11-28 05:02:50 2.40 0.00 0.00% SPRO 2025-11-28 06:03:41 2.40 2.02 0.00% SPRO 2025-11-28 07:02:43 2.40 2.14 0.00% SPRO 2025-11-28 08:03:31 2.40 2.23 0.00% SPRO 2025-11-28 09:02:39 2.40 2.33 0.00% SPRO 2025-11-28 11:02:44 2.40 2.39 2.99% SPRO 2025-11-28 14:03:35 2.43 2.39 2.99% SPRO 2025-11-28 15:02:45 2.41 2.39 3.00% SPRO 2025-11-28 16:03:28 2.43 1.89 0.86% SPRO 2025-11-28 18:03:23 0.00 0.00 0.86% 2025-12-01 SPRO 2025-12-01 05:02:39 3.58 0.00 0.86% SPRO 2025-12-01 06:03:33 2.67 2.02 0.86% SPRO 2025-12-01 07:02:35 2.60 2.02 0.86% SPRO 2025-12-01 08:03:31 2.60 2.08 0.86% SPRO 2025-12-01 09:02:40 2.44 2.35 0.86% SPRO 2025-12-01 10:03:33 2.48 2.08 0.86% SPRO 2025-12-01 11:02:40 2.33 2.31 -3.43% SPRO 2025-12-01 12:03:32 2.31 2.29 -3.43% SPRO 2025-12-01 13:02:44 2.30 2.29 -3.86% SPRO 2025-12-01 14:03:45 2.30 2.29 -4.29% SPRO 2025-12-01 15:02:43 2.30 2.29 -3.86% SPRO 2025-12-01 16:03:41 2.28 2.27 -4.72% SPRO 2025-12-01 17:02:44 2.48 2.25 -5.15% SPRO 2025-12-01 18:03:35 2.48 2.25 -5.00% SPRO 2025-12-01 21:07:56 0.00 0.00 -5.00% 2025-12-02 SPRO 2025-12-02 05:02:36 3.58 0.00 -5.00% SPRO 2025-12-02 06:03:44 2.65 2.22 -5.00% SPRO 2025-12-02 07:03:04 2.60 2.29 -5.00% SPRO 2025-12-02 09:02:42 2.40 2.29 -5.00% SPRO 2025-12-02 10:03:37 2.36 2.29 -5.00% SPRO 2025-12-02 11:02:42 2.25 2.24 -0.83% SPRO 2025-12-02 12:04:50 2.25 2.23 -0.83% SPRO 2025-12-02 16:02:47 2.23 2.22 -1.67% SPRO 2025-12-02 17:03:30 2.27 2.20 -2.50% SPRO 2025-12-02 18:02:38 2.27 2.20 -2.64% SPRO 2025-12-02 19:03:54 2.46 2.20 -2.64% SPRO 2025-12-02 21:13:50 0.00 0.00 -2.64% 2025-12-03 SPRO 2025-12-03 05:03:38 3.52 0.96 -2.64% SPRO 2025-12-03 06:02:45 2.59 2.29 -2.64% SPRO 2025-12-03 07:03:40 2.50 2.22 4.85% SPRO 2025-12-03 08:02:50 2.71 2.22 4.85% SPRO 2025-12-03 09:03:37 2.26 2.20 1.32% SPRO 2025-12-03 10:02:39 2.34 2.20 1.32% SPRO 2025-12-03 11:03:34 2.19 2.18 -0.44% SPRO 2025-12-03 12:02:38 2.25 2.23 2.20% SPRO 2025-12-03 13:03:27 2.21 2.20 0.00% SPRO 2025-12-03 14:02:45 2.23 2.22 1.32% SPRO 2025-12-03 15:03:42 2.25 2.24 2.20% SPRO 2025-12-03 16:02:48 2.26 2.25 2.20% SPRO 2025-12-03 17:03:46 2.80 2.20 3.96% SPRO 2025-12-03 18:02:57 2.48 2.20 4.09% SPRO 2025-12-03 21:14:23 0.00 0.00 4.09% 2025-12-04 SPRO 2025-12-04 05:03:43 3.58 0.96 4.09% SPRO 2025-12-04 06:02:56 2.58 2.27 4.09% SPRO 2025-12-04 09:03:55 2.38 2.27 4.09% SPRO 2025-12-04 10:03:06 2.33 2.02 0.45% SPRO 2025-12-04 11:08:24 2.28 2.27 0.45% SPRO 2025-12-04 13:06:56 2.29 2.27 0.45% SPRO 2025-12-04 14:02:49 2.28 2.27 0.45% SPRO 2025-12-04 16:03:24 2.28 2.27 0.00% SPRO 2025-12-04 17:03:25 2.33 2.25 0.45% SPRO 2025-12-04 18:02:40 2.33 2.20 0.44% SPRO 2025-12-04 19:03:39 2.52 2.20 0.44% SPRO 2025-12-04 21:14:48 0.00 0.00 0.44% 2025-12-05 SPRO 2025-12-05 05:03:54 2.65 0.92 0.44% SPRO 2025-12-05 06:02:49 2.57 2.18 0.44% SPRO 2025-12-05 07:03:47 2.27 2.18 0.44% SPRO 2025-12-05 09:03:35 2.27 2.20 0.44% SPRO 2025-12-05 10:02:48 2.33 2.21 0.00% SPRO 2025-12-05 11:03:44 2.30 2.29 1.32% SPRO 2025-12-05 13:03:33 2.29 2.27 0.88% SPRO 2025-12-05 16:03:03 2.28 2.27 0.00% SPRO 2025-12-05 17:03:33 2.80 2.25 -0.44% SPRO 2025-12-05 18:02:34 2.57 2.25 -0.44% SPRO 2025-12-05 19:03:52 2.71 2.25 -0.44% SPRO 2025-12-05 21:09:35 0.00 0.00 -0.44% 2025-12-08 SPRO 2025-12-08 05:02:45 3.58 2.17 -0.44% SPRO 2025-12-08 06:03:28 2.55 2.17 -0.44% SPRO 2025-12-08 09:02:59 2.35 2.25 -0.44% SPRO 2025-12-08 11:02:33 2.29 2.27 1.75% SPRO 2025-12-08 12:03:36 2.28 2.27 1.32% SPRO 2025-12-08 13:03:02 2.29 2.27 1.75% SPRO 2025-12-08 14:03:53 2.31 2.29 2.63% SPRO 2025-12-08 16:03:42 2.34 2.33 3.95% SPRO 2025-12-08 17:02:54 2.31 2.27 2.63% SPRO 2025-12-08 18:03:54 2.31 2.27 2.65% SPRO 2025-12-08 20:03:38 2.39 2.27 2.65% SPRO 2025-12-08 21:07:30 0.00 0.00 2.65% 2025-12-09 SPRO 2025-12-09 05:02:52 3.58 2.20 2.65% SPRO 2025-12-09 06:03:45 2.56 2.20 2.65% SPRO 2025-12-09 09:02:46 2.36 2.29 2.65% SPRO 2025-12-09 10:04:34 2.88 2.20 2.65% SPRO 2025-12-09 11:02:48 2.29 2.27 -0.88% SPRO 2025-12-09 12:03:47 2.31 2.29 0.00% SPRO 2025-12-09 13:02:56 2.30 2.29 0.00% SPRO 2025-12-09 14:04:23 2.31 2.29 0.00% SPRO 2025-12-09 16:03:46 2.32 2.31 0.44% SPRO 2025-12-09 17:03:43 2.35 2.27 1.33% SPRO 2025-12-09 18:03:38 2.35 2.21 1.30% SPRO 2025-12-09 19:03:53 2.36 2.21 1.30% SPRO 2025-12-09 21:04:43 0.00 0.00 1.30% 2025-12-10 SPRO 2025-12-10 05:02:55 3.58 0.00 1.30% SPRO 2025-12-10 06:03:59 2.52 2.02 1.30% SPRO 2025-12-10 09:02:43 2.56 2.23 1.30% SPRO 2025-12-10 10:03:41 2.33 2.04 1.30% SPRO 2025-12-10 11:02:38 2.36 2.35 1.30% SPRO 2025-12-10 13:02:49 2.38 2.37 2.16% SPRO 2025-12-10 14:03:55 2.37 2.35 2.16% SPRO 2025-12-10 15:02:36 2.36 2.35 1.30% SPRO 2025-12-10 16:03:47 2.37 2.35 2.16% SPRO 2025-12-10 17:02:32 3.29 2.31 0.00% SPRO 2025-12-10 18:03:56 2.65 2.20 0.00% SPRO 2025-12-10 19:02:56 2.63 2.20 0.00% SPRO 2025-12-10 20:03:42 2.63 2.27 0.00% SPRO 2025-12-10 21:05:59 0.00 0.00 0.00% SPRO 2025-12-10 22:08:41 2.63 2.27 0.00% 2025-12-11 SPRO 2025-12-11 05:02:42 3.58 0.00 0.00% SPRO 2025-12-11 06:03:37 2.71 2.06 0.00% SPRO 2025-12-11 08:03:38 2.71 2.17 0.00% SPRO 2025-12-11 09:02:33 2.37 2.06 0.00% SPRO 2025-12-11 11:03:04 2.33 2.31 -0.43% SPRO 2025-12-11 12:03:44 2.35 2.33 1.29% SPRO 2025-12-11 14:03:35 2.34 2.33 0.43% SPRO 2025-12-11 15:02:47 2.35 2.33 1.29% SPRO 2025-12-11 17:02:34 2.37 2.31 1.29% SPRO 2025-12-11 18:04:32 2.37 2.27 0.00% SPRO 2025-12-11 19:02:39 2.37 2.29 0.00% SPRO 2025-12-11 21:05:29 0.00 0.00 0.00% 2025-12-12 SPRO 2025-12-12 05:02:28 3.58 0.00 0.00% SPRO 2025-12-12 06:03:39 2.71 2.02 0.00% SPRO 2025-12-12 09:02:37 2.39 2.02 0.00% SPRO 2025-12-12 10:04:20 2.39 2.29 0.00% SPRO 2025-12-12 11:04:02 2.34 2.33 -0.43% SPRO 2025-12-12 12:03:26 2.32 2.31 -1.72% SPRO 2025-12-12 13:02:29 2.33 2.31 -0.86% SPRO 2025-12-12 14:03:31 2.34 2.33 -0.43% SPRO 2025-12-12 15:02:35 2.34 2.33 -0.86% SPRO 2025-12-12 16:03:48 2.34 2.33 -0.43% SPRO 2025-12-12 17:02:27 2.35 2.29 -1.29% SPRO 2025-12-12 18:03:24 2.71 2.29 -1.28% SPRO 2025-12-12 21:04:41 0.00 0.00 -1.28% 2025-12-15 SPRO 2025-12-15 05:02:35 3.58 0.00 -1.28% SPRO 2025-12-15 06:03:30 2.71 2.02 -1.28% SPRO 2025-12-15 08:03:32 2.71 2.10 -1.28% SPRO 2025-12-15 09:02:39 2.71 2.31 2.98% SPRO 2025-12-15 11:02:36 2.31 2.29 0.00% SPRO 2025-12-15 12:03:27 2.32 2.31 0.00% SPRO 2025-12-15 13:02:30 2.33 2.31 0.85% SPRO 2025-12-15 15:02:43 2.34 2.33 1.28% SPRO 2025-12-15 16:03:43 2.33 2.31 0.85% SPRO 2025-12-15 17:02:38 2.88 2.27 -0.85% SPRO 2025-12-15 18:03:24 2.71 2.08 -0.86% SPRO 2025-12-15 19:02:51 2.71 2.15 -0.86% SPRO 2025-12-15 20:03:39 2.52 2.08 -0.86% SPRO 2025-12-15 21:05:28 0.00 0.00 -0.86% 2025-12-16 SPRO 2025-12-16 05:02:42 3.58 0.00 -0.86% SPRO 2025-12-16 06:03:31 2.71 2.02 -0.86% SPRO 2025-12-16 08:03:49 2.52 2.02 -0.86% SPRO 2025-12-16 09:02:44 2.52 2.10 0.86% SPRO 2025-12-16 11:02:38 2.29 2.27 0.00% SPRO 2025-12-16 12:03:24 2.27 2.25 -0.86% SPRO 2025-12-16 15:02:36 2.29 2.27 0.00% SPRO 2025-12-16 17:02:36 2.32 2.25 -0.86% SPRO 2025-12-16 18:03:19 2.32 2.25 -0.87% SPRO 2025-12-16 19:02:58 2.51 2.25 -0.87% SPRO 2025-12-16 21:04:55 0.00 0.00 -0.87% 2025-12-17 SPRO 2025-12-17 05:02:45 3.58 0.98 -0.87% SPRO 2025-12-17 06:03:42 2.71 2.06 -0.87% SPRO 2025-12-17 08:03:36 2.52 2.06 -0.87% SPRO 2025-12-17 09:02:42 2.32 2.08 -0.87% SPRO 2025-12-17 10:03:28 2.51 2.08 -0.87% SPRO 2025-12-17 11:03:00 2.37 2.35 4.80% SPRO 2025-12-17 12:03:37 2.37 2.35 3.93% SPRO 2025-12-17 13:02:35 2.36 2.35 3.93% SPRO 2025-12-17 14:03:34 2.35 2.33 3.06% SPRO 2025-12-17 15:02:40 2.33 2.31 3.06% SPRO 2025-12-17 16:03:43 2.34 2.33 3.06% SPRO 2025-12-17 17:02:59 2.48 2.27 2.18% SPRO 2025-12-17 18:03:26 2.48 2.08 2.20% SPRO 2025-12-17 21:05:31 0.00 0.00 2.20% 2025-12-18 SPRO 2025-12-18 05:02:40 3.58 0.98 2.20% SPRO 2025-12-18 06:03:32 2.71 2.06 2.20% SPRO 2025-12-18 08:03:33 2.42 2.27 2.20% SPRO 2025-12-18 09:02:37 2.39 2.27 2.20% SPRO 2025-12-18 10:03:27 2.39 2.31 2.20% SPRO 2025-12-18 11:02:41 2.32 2.31 0.44% SPRO 2025-12-18 12:03:30 2.33 2.31 0.44% SPRO 2025-12-18 13:02:34 2.33 2.31 1.32% SPRO 2025-12-18 14:03:28 2.31 2.29 0.00% SPRO 2025-12-18 16:03:37 2.30 2.29 0.00% SPRO 2025-12-18 17:02:38 2.31 2.27 -0.88% SPRO 2025-12-18 18:03:26 2.39 2.29 0.00% SPRO 2025-12-18 21:05:46 0.00 0.00 0.00% 2025-12-19 SPRO 2025-12-19 05:02:48 3.58 2.25 0.00% SPRO 2025-12-19 06:03:31 2.59 2.29 0.00% SPRO 2025-12-19 09:02:33 2.39 2.35 3.03% SPRO 2025-12-19 09:25:48 8-K Sec report https://www.sec.gov/Archives/edgar/data/1701108/000119312525325821/0001193125-25-325821-index.htm 8-K - Spero Therapeutics, Inc. (0001701108) (Filer) SPRO 2025-12-19 10:03:33 2.39 2.31 2.16% SPRO 2025-12-19 11:03:37 2.34 2.33 2.16% SPRO 2025-12-19 12:03:53 2.31 2.29 1.30% SPRO 2025-12-19 13:02:42 2.33 2.31 1.30% SPRO 2025-12-19 14:03:53 2.33 2.31 2.16% SPRO 2025-12-19 15:02:57 2.32 2.31 1.30% SPRO 2025-12-19 17:04:00 2.36 2.29 1.30% SPRO 2025-12-19 18:03:25 2.36 2.29 1.31% SPRO 2025-12-19 20:03:23 2.36 2.33 1.31% SPRO 2025-12-19 21:06:10 0.00 0.00 1.31% 2025-12-22 SPRO 2025-12-22 05:02:40 3.58 1.03 1.31% SPRO 2025-12-22 06:03:37 2.69 2.29 1.31% SPRO 2025-12-22 10:03:29 2.48 2.29 1.31% SPRO 2025-12-22 11:02:33 2.33 2.31 0.87%