$SPRO: Spero Therapeutics, Inc. - Common Stock
2025-06-03 SPRO 2025-06-03 00:02:54 0.00 0.00 11.60% SPRO 2025-06-03 04:02:57 3.16 0.00 11.60% SPRO 2025-06-03 05:02:11 2.75 2.74 0.40% SPRO 2025-06-03 06:03:01 2.79 2.72 -0.80% SPRO 2025-06-03 07:02:06 2.92 2.72 4.00% SPRO 2025-06-03 08:03:00 2.81 2.75 2.80% SPRO 2025-06-03 09:02:10 2.81 2.79 1.20% SPRO 2025-06-03 10:02:59 2.64 2.63 -4.40% SPRO 2025-06-03 11:02:03 2.67 2.65 -3.60% SPRO 2025-06-03 12:02:59 2.70 2.68 -2.00% SPRO 2025-06-03 13:02:10 2.67 2.64 -4.00% SPRO 2025-06-03 14:02:55 2.66 2.61 -4.40% SPRO 2025-06-03 15:02:04 2.66 2.60 -3.20% SPRO 2025-06-03 16:02:53 2.67 2.62 -4.00% SPRO 2025-06-03 17:02:07 2.67 2.62 -2.55% SPRO 2025-06-03 19:02:02 2.67 2.62 -3.28% SPRO 2025-06-03 20:02:51 0.00 0.00 -2.55% 2025-06-04 SPRO 2025-06-04 04:02:56 2.75 2.40 -0.73% SPRO 2025-06-04 05:02:09 2.67 2.58 -1.46% SPRO 2025-06-04 06:02:56 2.63 2.52 -2.92% SPRO 2025-06-04 07:02:11 2.67 2.57 -1.46% SPRO 2025-06-04 08:02:59 2.67 2.60 -0.73% SPRO 2025-06-04 09:02:10 2.63 2.61 -0.73% SPRO 2025-06-04 10:02:54 2.74 2.69 3.28% SPRO 2025-06-04 11:02:05 2.82 2.76 5.47% SPRO 2025-06-04 12:02:54 2.76 2.74 4.01% SPRO 2025-06-04 13:02:09 2.76 2.71 4.01% SPRO 2025-06-04 14:02:55 2.78 2.75 4.01% SPRO 2025-06-04 15:02:06 2.72 2.70 2.55% SPRO 2025-06-04 16:02:55 2.67 2.65 1.09% SPRO 2025-06-04 17:02:03 2.73 2.67 1.14% SPRO 2025-06-04 18:02:47 2.73 2.65 2.65% SPRO 2025-06-04 19:02:04 2.73 2.62 3.41% SPRO 2025-06-04 20:03:03 0.00 0.00 -1.52% 2025-06-05 SPRO 2025-06-05 04:02:55 2.92 2.50 -1.52% SPRO 2025-06-05 05:02:10 2.84 2.57 -3.41% SPRO 2025-06-05 06:02:58 2.80 2.62 -0.38% SPRO 2025-06-05 07:02:07 2.80 2.59 -2.65% SPRO 2025-06-05 08:02:57 2.76 2.60 -1.52% SPRO 2025-06-05 09:02:07 2.76 2.59 -2.65% SPRO 2025-06-05 10:03:01 2.67 2.64 -0.38% SPRO 2025-06-05 11:02:04 2.64 2.60 -1.52% SPRO 2025-06-05 12:03:01 2.64 2.63 -1.14% SPRO 2025-06-05 13:02:08 2.63 2.61 -1.89% SPRO 2025-06-05 14:03:00 2.67 2.63 0.00% SPRO 2025-06-05 15:02:09 2.64 2.61 -1.52% SPRO 2025-06-05 16:03:01 2.62 2.56 -3.79% SPRO 2025-06-05 17:02:07 2.57 2.52 -3.76% SPRO 2025-06-05 20:03:01 0.00 0.00 -5.26% 2025-06-06 SPRO 2025-06-06 04:03:00 2.79 0.00 -5.26% SPRO 2025-06-06 05:02:06 2.65 2.54 0.00% SPRO 2025-06-06 06:03:03 2.65 2.52 0.00% SPRO 2025-06-06 08:02:57 2.65 2.54 0.00% SPRO 2025-06-06 10:03:03 2.51 2.49 -2.26% SPRO 2025-06-06 11:02:12 2.69 2.67 4.89% SPRO 2025-06-06 12:03:00 2.68 2.66 4.14% SPRO 2025-06-06 13:02:10 2.64 2.63 2.63% SPRO 2025-06-06 14:03:01 2.67 2.61 1.88% SPRO 2025-06-06 15:02:10 2.55 2.54 0.00% SPRO 2025-06-06 16:03:00 2.60 2.50 -2.26% SPRO 2025-06-06 17:02:07 2.58 2.50 0.00% SPRO 2025-06-06 18:02:59 2.57 2.52 -1.56% SPRO 2025-06-06 19:02:06 2.57 2.50 -1.56% SPRO 2025-06-06 20:02:57 0.00 0.00 -1.56% 2025-06-09 SPRO 2025-06-09 04:02:56 2.73 2.35 -1.56% SPRO 2025-06-09 05:02:15 2.69 2.52 2.34% SPRO 2025-06-09 06:02:57 2.60 2.52 1.95% SPRO 2025-06-09 07:02:07 2.58 2.54 2.34% SPRO 2025-06-09 08:03:01 2.57 2.50 0.78% SPRO 2025-06-09 09:02:08 2.56 2.54 0.78% SPRO 2025-06-09 10:02:57 2.53 2.49 0.00% SPRO 2025-06-09 11:02:10 2.57 2.52 2.34% SPRO 2025-06-09 12:02:54 2.53 2.50 1.17% SPRO 2025-06-09 13:02:09 2.75 2.71 9.77% SPRO 2025-06-09 14:02:58 2.76 2.73 9.77% SPRO 2025-06-09 15:02:07 2.73 2.71 8.98% SPRO 2025-06-09 16:02:57 2.79 2.70 11.33% SPRO 2025-06-09 17:02:03 2.79 2.70 9.20% SPRO 2025-06-09 18:02:55 2.78 2.72 9.20% SPRO 2025-06-09 19:02:06 2.79 2.70 9.20% SPRO 2025-06-09 20:02:52 0.00 0.00 9.20% 2025-06-10 SPRO 2025-06-10 04:02:58 3.22 0.00 9.20% SPRO 2025-06-10 05:02:06 3.00 2.76 1.20% SPRO 2025-06-10 06:02:52 2.89 2.63 0.40% SPRO 2025-06-10 07:02:08 2.89 2.76 0.40% SPRO 2025-06-10 08:03:00 2.87 2.65 -1.20% SPRO 2025-06-10 09:02:06 2.80 2.74 -1.20% SPRO 2025-06-10 10:03:01 2.89 2.86 5.20% SPRO 2025-06-10 11:02:07 2.80 2.77 1.60% SPRO 2025-06-10 12:03:00 2.82 2.79 2.00% SPRO 2025-06-10 14:02:54 2.81 2.79 2.00% SPRO 2025-06-10 15:02:05 2.84 2.82 3.20% SPRO 2025-06-10 16:02:53 2.85 2.80 4.00% SPRO 2025-06-10 17:02:02 2.86 2.81 2.54% SPRO 2025-06-10 18:02:54 2.86 2.81 3.99% SPRO 2025-06-10 19:02:08 2.87 2.79 2.54% SPRO 2025-06-10 20:02:52 0.00 0.00 2.54% 2025-06-11 SPRO 2025-06-11 04:02:54 3.22 0.00 2.54% SPRO 2025-06-11 05:02:08 2.87 2.80 2.54% SPRO 2025-06-11 06:02:53 2.87 2.82 -0.72% SPRO 2025-06-11 07:02:04 2.87 2.80 -1.45% SPRO 2025-06-11 08:02:57 2.86 2.79 -1.45% SPRO 2025-06-11 09:02:06 2.85 2.82 -1.45% SPRO 2025-06-11 10:03:00 2.83 2.80 -1.09% SPRO 2025-06-11 11:02:07 2.88 2.84 0.00% SPRO 2025-06-11 12:02:53 2.87 2.81 -1.45% SPRO 2025-06-11 13:02:05 2.82 2.79 -1.45% SPRO 2025-06-11 14:02:54 2.82 2.77 -1.45% SPRO 2025-06-11 15:02:04 2.79 2.78 -2.17% SPRO 2025-06-11 16:02:52 2.84 2.73 -1.45% SPRO 2025-06-11 17:01:59 2.80 2.74 -3.51% SPRO 2025-06-11 18:02:49 2.80 2.70 -1.40% SPRO 2025-06-11 19:02:05 2.80 2.74 -1.40% SPRO 2025-06-11 20:02:49 0.00 0.00 -1.40% 2025-06-12 SPRO 2025-06-12 04:02:55 3.22 0.00 -1.40% SPRO 2025-06-12 05:02:08 2.80 2.70 -3.16% SPRO 2025-06-12 07:02:08 2.80 2.71 -3.16% SPRO 2025-06-12 08:03:01 2.80 2.75 -1.05% SPRO 2025-06-12 09:02:08 2.83 2.68 0.35% SPRO 2025-06-12 10:02:58 2.78 2.73 -1.75% SPRO 2025-06-12 11:02:06 2.92 2.90 4.21% SPRO 2025-06-12 12:03:00 2.89 2.83 1.75% SPRO 2025-06-12 13:02:04 2.90 2.83 1.75% SPRO 2025-06-12 14:02:54 2.89 2.85 3.16% SPRO 2025-06-12 15:02:05 2.89 2.87 3.16% SPRO 2025-06-12 16:02:50 2.90 2.82 3.51% SPRO 2025-06-12 17:02:05 2.90 2.85 2.50% SPRO 2025-06-12 18:02:53 2.89 2.85 3.57% SPRO 2025-06-12 19:01:59 2.90 2.82 3.57% SPRO 2025-06-12 20:02:51 0.00 0.00 3.57% 2025-06-13 SPRO 2025-06-13 04:02:56 2.90 0.00 3.57% SPRO 2025-06-13 05:18:34 2.90 2.83 -1.79% SPRO 2025-06-13 12:02:54 2.85 2.81 -1.79% SPRO 2025-06-13 13:02:08 2.82 2.81 -2.50% SPRO 2025-06-13 14:02:58 2.82 2.78 -2.50% SPRO 2025-06-13 15:02:09 2.84 2.82 -2.50% SPRO 2025-06-13 16:03:00 2.86 2.80 -2.14% SPRO 2025-06-13 17:02:03 2.84 2.80 -2.08% SPRO 2025-06-13 18:02:54 2.84 2.80 -2.77% SPRO 2025-06-13 20:02:58 0.00 0.00 -2.77% 2025-06-16 SPRO 2025-06-16 04:02:52 3.22 0.00 -2.77% SPRO 2025-06-16 05:02:09 2.88 2.84 0.35% SPRO 2025-06-16 06:02:54 2.87 2.83 1.04% SPRO 2025-06-16 07:02:08 2.88 2.82 1.04% SPRO 2025-06-16 08:02:56 2.88 2.85 1.04% SPRO 2025-06-16 09:02:08 2.88 2.82 1.04% SPRO 2025-06-16 10:03:04 2.95 2.91 3.81% SPRO 2025-06-16 11:02:05 2.91 2.90 3.11% SPRO 2025-06-16 12:02:54 2.87 2.86 1.73% SPRO 2025-06-16 13:02:07 2.86 2.85 1.04% SPRO 2025-06-16 15:02:05 2.87 2.86 1.73% SPRO 2025-06-16 16:02:54 2.88 2.83 1.04% SPRO 2025-06-16 17:02:01 2.90 2.83 1.06% SPRO 2025-06-16 18:02:55 2.92 2.83 1.06% SPRO 2025-06-16 20:02:49 0.00 0.00 1.06% 2025-06-17 SPRO 2025-06-17 04:02:50 3.22 0.00 1.06% SPRO 2025-06-17 05:02:33 3.02 2.61 1.06% SPRO 2025-06-17 06:02:55 3.02 2.60 1.06% SPRO 2025-06-17 07:02:06 2.87 2.80 -1.41% SPRO 2025-06-17 08:02:52 2.87 2.81 -1.41% SPRO 2025-06-17 09:01:59 2.85 2.81 0.00% SPRO 2025-06-17 10:02:54 2.90 2.88 1.77% SPRO 2025-06-17 11:02:02 2.84 2.83 -0.71% SPRO 2025-06-17 12:02:55 2.87 2.86 0.35% SPRO 2025-06-17 13:02:06 2.86 2.85 0.00% SPRO 2025-06-17 14:02:54 2.92 2.91 2.47% SPRO 2025-06-17 15:02:08 2.89 2.88 1.77% SPRO 2025-06-17 16:02:51 2.97 2.88 1.77% SPRO 2025-06-17 17:02:00 2.95 2.88 1.75% SPRO 2025-06-17 18:02:51 2.94 2.88 3.16% SPRO 2025-06-17 19:02:06 2.95 2.88 2.46% SPRO 2025-06-17 20:02:53 0.00 0.00 1.75% 2025-06-18 SPRO 2025-06-18 04:02:55 3.22 0.00 1.75% SPRO 2025-06-18 05:02:11 2.94 2.66 1.40% SPRO 2025-06-18 07:02:09 2.95 2.90 2.11% SPRO 2025-06-18 08:02:56 2.95 2.91 2.11% SPRO 2025-06-18 09:02:08 2.98 2.97 2.81% SPRO 2025-06-18 10:02:56 2.95 2.94 1.75% SPRO 2025-06-18 11:02:11 2.88 2.87 -0.70% SPRO 2025-06-18 12:02:52 2.92 2.90 0.70% SPRO 2025-06-18 13:02:05 2.91 2.90 0.70% SPRO 2025-06-18 15:02:11 2.88 2.86 -0.70% SPRO 2025-06-18 16:03:01 2.95 2.90 1.75% SPRO 2025-06-18 17:02:05 2.97 2.92 1.72% SPRO 2025-06-18 17:12:45 8-K Sec report https://www.sec.gov/Archives/edgar/data/1701108/000119312525142807/0001193125-25-142807-index.htm 8-K - Spero Therapeutics, Inc. (0001701108) (Filer) SPRO 2025-06-18 18:02:51 2.95 2.92 1.72% SPRO 2025-06-18 19:02:08 2.97 2.92 1.72% SPRO 2025-06-18 20:02:56 0.00 0.00 1.03% 2025-06-20 SPRO 2025-06-20 04:02:50 3.22 0.00 1.03% SPRO 2025-06-20 05:01:59 2.97 2.88 -1.38% SPRO 2025-06-20 06:02:49 2.94 2.90 -1.38% SPRO 2025-06-20 07:02:07 2.94 2.88 0.00% SPRO 2025-06-20 09:02:02 2.95 2.91 0.00% SPRO 2025-06-20 10:02:56 2.94 2.92 -0.69% SPRO 2025-06-20 11:02:05 2.92 2.90 -0.69% SPRO 2025-06-20 12:02:52 2.93 2.92 0.00% SPRO 2025-06-20 13:02:02 2.91 2.90 -1.38% SPRO 2025-06-20 14:02:57 2.94 2.93 0.00% SPRO 2025-06-20 15:02:02 2.91 2.90 -0.69% SPRO 2025-06-20 16:16:07 3.01 2.89 2.76% SPRO 2025-06-20 17:15:18 3.00 2.89 2.38% SPRO 2025-06-20 18:18:00 3.00 2.95 1.02% SPRO 2025-06-20 20:02:49 0.00 0.00 1.02% 2025-06-23 SPRO 2025-06-23 04:02:52 3.22 0.00 1.02% SPRO 2025-06-23 05:02:01 3.15 2.78 1.02% SPRO 2025-06-23 06:02:52 3.15 2.90 -1.36% SPRO 2025-06-23 07:02:03 3.15 2.91 -4.08% SPRO 2025-06-23 09:11:45 3.03 2.98 -0.68% SPRO 2025-06-23 10:05:19 2.94 2.91 -2.72% SPRO 2025-06-23 11:02:46 2.93 2.92 -2.72% SPRO 2025-06-23 12:02:18 2.96 2.94 -2.04% SPRO 2025-06-23 13:02:46 2.92 2.91 -3.40% SPRO 2025-06-23 14:02:22 2.94 2.93 -2.72% SPRO 2025-06-23 15:02:43 2.92 2.91 -3.40% SPRO 2025-06-23 16:02:21 2.95 2.88 -2.72% SPRO 2025-06-23 17:02:40 2.93 2.88 -3.97% SPRO 2025-06-23 18:02:18 3.00 2.88 -3.97% SPRO 2025-06-23 20:02:16 0.00 0.00 -3.97% 2025-06-24 SPRO 2025-06-24 04:02:51 3.22 0.00 -3.97% SPRO 2025-06-24 05:02:08 3.00 2.64 -3.97% SPRO 2025-06-24 06:02:54 2.99 2.88 -3.97% SPRO 2025-06-24 08:02:51 2.95 2.90 0.33% SPRO 2025-06-24 09:02:07 2.95 2.90 0.99% SPRO 2025-06-24 10:02:50 2.93 2.92 0.00% SPRO 2025-06-24 11:02:11 2.96 2.94 0.99% SPRO 2025-06-24 12:02:50 2.93 2.92 0.00% SPRO 2025-06-24 13:02:18 2.95 2.92 -0.33% SPRO 2025-06-24 14:02:51 2.88 2.85 -1.66% SPRO 2025-06-24 15:02:08 2.89 2.88 -1.32% SPRO 2025-06-24 16:02:54 2.96 2.90 -0.99% SPRO 2025-06-24 17:02:12 2.94 2.90 -1.02% SPRO 2025-06-24 20:02:43 0.00 0.00 -1.02% 2025-06-25 SPRO 2025-06-25 04:02:46 3.22 0.00 -1.02% SPRO 2025-06-25 05:02:11 3.18 2.61 -0.68% SPRO 2025-06-25 06:02:48 3.18 2.85 -0.68% SPRO 2025-06-25 07:02:07 2.92 2.86 -0.68% SPRO 2025-06-25 08:02:51 2.91 2.90 1.02% SPRO 2025-06-25 10:02:57 2.91 2.90 1.37% SPRO 2025-06-25 11:02:15 2.91 2.90 1.02% SPRO 2025-06-25 13:02:12 2.91 2.90 1.37% SPRO 2025-06-25 14:02:53 2.92 2.91 1.37% SPRO 2025-06-25 15:02:09 2.91 2.90 1.37% SPRO 2025-06-25 16:02:50 2.98 2.80 1.02% SPRO 2025-06-25 17:02:10 2.98 2.80 1.04% SPRO 2025-06-25 18:02:49 2.99 2.80 1.04% SPRO 2025-06-25 19:02:17 2.94 2.80 1.04% SPRO 2025-06-25 20:02:46 0.00 0.00 2.08% 2025-06-26 SPRO 2025-06-26 04:02:58 3.22 0.00 2.08% SPRO 2025-06-26 05:02:12 2.93 2.80 2.08% SPRO 2025-06-26 06:02:50 2.92 2.89 0.00% SPRO 2025-06-26 07:02:14 2.92 2.87 0.00% SPRO 2025-06-26 08:02:51 2.92 2.88 0.00% SPRO 2025-06-26 09:02:13 2.94 2.90 1.39% SPRO 2025-06-26 10:02:51 2.91 2.90 0.00% SPRO 2025-06-26 11:02:08 2.91 2.89 0.00% SPRO 2025-06-26 12:02:53 2.91 2.90 0.69% SPRO 2025-06-26 14:02:51 2.92 2.91 1.04% SPRO 2025-06-26 16:02:47 2.94 2.86 0.00% SPRO 2025-06-26 17:02:06 2.96 2.86 -0.69% SPRO 2025-06-26 18:02:56 3.01 2.86 -0.69% SPRO 2025-06-26 20:02:50 0.00 0.00 -0.69% 2025-06-27 SPRO 2025-06-27 04:02:56 3.22 2.81 -0.69% SPRO 2025-06-27 05:00:48 2.94 2.86 -0.69% SPRO 2025-06-27 06:00:50 2.94 2.84 -1.38% SPRO 2025-06-27 07:00:45 2.93 2.84 -1.38% SPRO 2025-06-27 08:00:57 2.93 2.86 -1.38% SPRO 2025-06-27 10:00:53 2.92 2.91 1.03% SPRO 2025-06-27 11:00:44 3.07 3.05 5.86% SPRO 2025-06-27 12:00:52 2.99 2.98 3.45% SPRO 2025-06-27 13:00:42 2.99 2.98 3.10% SPRO 2025-06-27 14:00:51 2.97 2.96 2.76% SPRO 2025-06-27 15:00:54 2.96 2.95 2.07% SPRO 2025-06-27 16:00:50 2.95 2.94 2.07% SPRO 2025-06-27 17:00:41 3.00 2.92 2.07% SPRO 2025-06-27 18:00:42 2.98 2.97 3.10% SPRO 2025-06-27 19:00:35 2.98 2.92 2.76% SPRO 2025-06-27 21:00:41 0.00 0.00 2.76% 2025-06-30 SPRO 2025-06-30 05:00:47 3.10 2.94 2.76% SPRO 2025-06-30 06:00:49 3.03 2.94 2.76% SPRO 2025-06-30 07:00:46 3.03 2.96 2.76% SPRO 2025-06-30 08:00:51 3.02 2.98 2.76% SPRO 2025-06-30 09:00:47 3.03 2.98 3.10% SPRO 2025-06-30 10:00:49 2.94 2.93 0.00% SPRO 2025-06-30 11:00:44 2.91 2.90 -0.69% SPRO 2025-06-30 13:00:45 2.91 2.89 -1.38% SPRO 2025-06-30 14:00:56 2.91 2.90 -1.38% SPRO 2025-06-30 16:00:56 2.91 2.90 -0.69% SPRO 2025-06-30 17:00:48 2.92 2.85 0.00% SPRO 2025-06-30 21:00:41 0.00 0.00 0.00% 2025-07-01 SPRO 2025-07-01 05:00:47 3.22 2.91 0.68% SPRO 2025-07-01 06:00:50 3.15 2.91 0.68% SPRO 2025-07-01 07:00:44 2.95 2.91 0.68% SPRO 2025-07-01 08:00:53 2.93 2.92 1.36% SPRO 2025-07-01 09:00:46 2.97 2.92 1.02% SPRO 2025-07-01 10:00:46 2.93 2.92 1.36% SPRO 2025-07-01 11:00:46 2.91 2.90 0.68% SPRO 2025-07-01 12:00:48 2.94 2.92 1.02% SPRO 2025-07-01 13:00:46 2.93 2.92 1.36% SPRO 2025-07-01 16:00:50 2.91 2.90 0.00% SPRO 2025-07-01 17:00:48 2.95 2.90 0.00% SPRO 2025-07-01 18:00:49 2.94 2.90 0.00% SPRO 2025-07-01 20:00:52 2.94 2.80 0.00% SPRO 2025-07-01 21:00:43 0.00 0.00 0.00% 2025-07-02 SPRO 2025-07-02 05:00:48 2.95 2.90 0.00% SPRO 2025-07-02 08:00:52 2.94 2.91 0.00% SPRO 2025-07-02 09:00:46 2.93 2.90 0.69% SPRO 2025-07-02 10:00:51 2.91 2.90 0.69% SPRO 2025-07-02 11:00:43 2.92 2.91 1.03% SPRO 2025-07-02 12:00:49 2.94 2.93 1.72% SPRO 2025-07-02 13:00:47 3.02 3.01 4.14% SPRO 2025-07-02 14:00:57 3.01 3.00 4.14% SPRO 2025-07-02 15:00:44 2.96 2.95 2.41% SPRO 2025-07-02 16:00:51 2.91 2.90 0.00% SPRO 2025-07-02 17:00:51 2.92 2.90 0.00% SPRO 2025-07-02 18:00:52 2.91 2.90 0.00% SPRO 2025-07-02 19:00:49 2.92 2.91 1.03% SPRO 2025-07-02 20:00:56 2.95 2.90 1.03% SPRO 2025-07-02 21:00:55 0.00 0.00 1.03%