$CYCN: Cyclerion Therapeutics, Inc. - Common Stock
2026-04-27 CYCN 2026-04-27 01:02:05 0.00 0.00 -0.34% CYCN 2026-04-27 04:02:24 2.91 2.66 -0.68% CYCN 2026-04-27 05:01:47 3.10 2.91 -0.68% CYCN 2026-04-27 09:01:42 2.94 2.91 -0.68% CYCN 2026-04-27 10:02:02 2.93 2.91 -0.68% CYCN 2026-04-27 11:01:43 2.94 2.91 0.00% CYCN 2026-04-27 12:02:05 2.95 2.91 0.00% CYCN 2026-04-27 13:01:37 2.95 2.91 -0.68% CYCN 2026-04-27 14:02:06 2.92 2.91 -0.68% CYCN 2026-04-27 15:01:45 2.95 2.93 0.00% CYCN 2026-04-27 16:02:10 3.09 2.90 0.00% CYCN 2026-04-27 17:01:41 3.09 2.89 -1.36% CYCN 2026-04-27 20:01:54 0.00 0.00 -2.04% 2026-04-28 CYCN 2026-04-28 04:02:06 3.18 2.61 -2.04% CYCN 2026-04-28 06:01:58 3.18 2.88 -2.04% CYCN 2026-04-28 08:02:02 3.13 2.88 -2.04% CYCN 2026-04-28 09:01:38 2.90 2.78 -2.04% CYCN 2026-04-28 10:01:54 2.92 2.89 -1.36% CYCN 2026-04-28 11:01:35 2.98 2.89 1.02% CYCN 2026-04-28 12:01:56 2.98 2.94 1.02% CYCN 2026-04-28 13:01:50 2.99 2.95 1.02% CYCN 2026-04-28 14:02:00 3.03 2.97 2.38% CYCN 2026-04-28 15:01:39 3.03 2.99 3.74% CYCN 2026-04-28 16:02:03 3.13 2.84 3.75% CYCN 2026-04-28 20:02:08 0.00 0.00 3.75% 2026-04-29 CYCN 2026-04-29 04:02:12 3.47 2.66 3.75% CYCN 2026-04-29 05:01:40 3.34 2.66 3.75% CYCN 2026-04-29 06:02:01 3.25 2.66 3.75% CYCN 2026-04-29 07:01:42 3.10 2.78 3.75% CYCN 2026-04-29 08:01:59 3.10 2.79 3.75% CYCN 2026-04-29 09:01:42 3.10 2.78 3.75% CYCN 2026-04-29 10:02:00 3.05 3.01 -0.68% CYCN 2026-04-29 11:01:39 3.15 3.14 3.75% CYCN 2026-04-29 12:01:59 3.29 3.22 7.85% CYCN 2026-04-29 13:01:42 3.50 3.35 14.33% CYCN 2026-04-29 14:02:13 3.45 3.20 9.22% CYCN 2026-04-29 15:01:39 3.38 3.26 10.24% CYCN 2026-04-29 16:02:03 3.52 3.13 9.54% CYCN 2026-04-29 18:02:07 3.42 3.13 9.54% CYCN 2026-04-29 19:01:48 3.40 3.13 9.54% CYCN 2026-04-29 20:02:11 0.00 0.00 9.54% 2026-04-30 CYCN 2026-04-30 04:01:59 3.79 3.04 9.54% CYCN 2026-04-30 05:01:40 3.52 3.13 2.96% CYCN 2026-04-30 06:02:03 3.52 3.14 2.96% CYCN 2026-04-30 07:01:44 3.45 3.13 2.96% CYCN 2026-04-30 08:01:58 3.45 3.15 2.96% CYCN 2026-04-30 08:30:18 10-K Sec report https://www.sec.gov/Archives/edgar/data/1755237/000119312526194204/0001193125-26-194204-index.htm 10-K/A - Cyclerion Therapeutics, Inc. (0001755237) (Filer) CYCN 2026-04-30 09:01:40 3.44 3.14 2.96% CYCN 2026-04-30 10:01:55 3.30 3.21 0.33% CYCN 2026-04-30 11:01:38 3.33 3.24 -2.96% CYCN 2026-04-30 12:01:58 3.36 3.28 -1.32% CYCN 2026-04-30 13:01:32 3.34 3.31 -1.32% CYCN 2026-04-30 14:02:01 3.33 3.31 0.33% CYCN 2026-04-30 15:02:01 3.32 3.28 -0.99% CYCN 2026-04-30 16:02:08 3.33 3.13 0.00% CYCN 2026-04-30 19:01:56 3.32 3.15 0.00% CYCN 2026-04-30 20:02:15 0.00 0.00 0.00% 2026-05-01 CYCN 2026-05-01 04:02:09 3.59 2.70 0.00% CYCN 2026-05-01 05:01:44 3.58 2.60 0.00% CYCN 2026-05-01 06:02:04 3.32 2.96 0.00% CYCN 2026-05-01 07:01:50 3.32 2.95 0.00% CYCN 2026-05-01 09:01:39 3.30 2.95 0.00% CYCN 2026-05-01 10:02:02 3.30 3.21 -1.81% CYCN 2026-05-01 12:02:04 3.31 3.25 -0.60% CYCN 2026-05-01 13:01:47 3.31 3.25 -1.81% CYCN 2026-05-01 14:02:05 3.28 3.20 -3.01% CYCN 2026-05-01 15:01:44 3.23 3.18 -3.01% CYCN 2026-05-01 16:02:27 3.31 2.95 -1.21% CYCN 2026-05-01 20:02:05 0.00 0.00 -1.21% 2026-05-04 CYCN 2026-05-04 04:02:10 3.52 2.65 -1.21% CYCN 2026-05-04 05:01:36 3.52 3.00 -1.21% CYCN 2026-05-04 07:01:42 3.52 3.00 -7.25% CYCN 2026-05-04 08:01:57 3.53 3.00 -6.95% CYCN 2026-05-04 09:01:54 3.65 3.00 -6.95% CYCN 2026-05-04 10:02:52 3.27 3.25 0.91% CYCN 2026-05-04 11:01:44 3.20 3.17 -2.11% CYCN 2026-05-04 12:02:07 3.18 3.16 -2.42% CYCN 2026-05-04 13:01:51 3.19 3.17 -2.11% CYCN 2026-05-04 14:02:51 3.21 3.18 -2.11% CYCN 2026-05-04 15:01:47 3.32 3.25 0.30% CYCN 2026-05-04 16:02:04 3.32 3.04 0.31% CYCN 2026-05-04 19:01:46 3.25 3.04 0.31% CYCN 2026-05-04 20:02:14 0.00 0.00 0.31% 2026-05-05 CYCN 2026-05-05 04:02:31 3.56 2.71 0.31% CYCN 2026-05-05 05:02:07 3.55 3.01 0.31% CYCN 2026-05-05 06:01:59 3.53 3.02 0.31% CYCN 2026-05-05 07:01:43 3.53 3.03 0.31% CYCN 2026-05-05 08:01:59 3.54 3.20 0.31% CYCN 2026-05-05 09:01:43 3.65 3.15 0.31% CYCN 2026-05-05 10:01:59 3.26 3.22 -0.61% CYCN 2026-05-05 11:01:40 3.25 3.19 -1.23% CYCN 2026-05-05 12:02:17 3.25 3.19 -2.15% CYCN 2026-05-05 13:01:51 3.27 3.20 -0.92% CYCN 2026-05-05 14:02:05 3.24 3.19 -1.84% CYCN 2026-05-05 15:01:44 3.21 3.18 -2.15% CYCN 2026-05-05 16:02:06 3.24 3.15 -3.07% CYCN 2026-05-05 17:01:38 3.25 3.02 -5.21% CYCN 2026-05-05 18:01:58 3.25 3.04 -6.44% CYCN 2026-05-05 19:01:51 3.25 3.05 -4.29% CYCN 2026-05-05 20:02:17 0.00 0.00 -4.29% 2026-05-06 CYCN 2026-05-06 04:02:16 3.79 2.80 -4.29% CYCN 2026-05-06 05:01:23 3.30 2.95 -4.29% CYCN 2026-05-06 06:01:45 3.30 3.02 -4.29% CYCN 2026-05-06 09:01:24 3.30 3.10 -4.29% CYCN 2026-05-06 10:01:45 3.20 3.17 0.61% CYCN 2026-05-06 11:01:27 3.27 3.18 1.84% CYCN 2026-05-06 12:01:49 3.19 3.16 0.61% CYCN 2026-05-06 13:01:26 3.21 3.15 0.92% CYCN 2026-05-06 14:02:03 3.24 3.20 1.84% CYCN 2026-05-06 15:01:42 3.24 3.20 2.76% CYCN 2026-05-06 16:01:52 3.27 3.14 3.49% CYCN 2026-05-06 19:01:21 3.23 3.14 3.49% CYCN 2026-05-06 20:01:49 0.00 0.00 3.49% 2026-05-07 CYCN 2026-05-07 04:01:46 3.51 2.84 3.49% CYCN 2026-05-07 05:01:24 3.40 2.80 3.49% CYCN 2026-05-07 06:02:33 3.36 2.79 3.49% CYCN 2026-05-07 07:01:34 3.36 2.87 3.49% CYCN 2026-05-07 08:01:48 3.36 2.86 3.49% CYCN 2026-05-07 09:01:24 3.36 2.25 3.49% CYCN 2026-05-07 10:01:40 3.13 3.10 -4.44% CYCN 2026-05-07 11:01:24 3.16 3.10 -3.49% CYCN 2026-05-07 12:01:42 3.16 3.11 -3.49% CYCN 2026-05-07 13:01:30 3.18 3.12 -2.22% CYCN 2026-05-07 14:01:46 3.13 3.11 -3.81% CYCN 2026-05-07 15:01:23 3.18 3.15 -3.17% CYCN 2026-05-07 16:01:47 3.29 3.12 -2.78% CYCN 2026-05-07 17:01:26 3.29 3.12 -3.70% CYCN 2026-05-07 20:01:44 0.00 0.00 -3.70% 2026-05-08 CYCN 2026-05-08 04:01:50 3.58 2.76 -3.70% CYCN 2026-05-08 06:01:47 3.58 3.09 -3.70% CYCN 2026-05-08 09:01:21 3.60 3.09 -1.23% CYCN 2026-05-08 10:01:40 3.14 3.07 -1.85% CYCN 2026-05-08 11:01:43 3.19 3.08 -1.23% CYCN 2026-05-08 12:01:48 3.15 3.09 -1.23% CYCN 2026-05-08 13:01:22 3.08 3.06 -2.16% CYCN 2026-05-08 14:01:44 3.14 3.10 -0.62% CYCN 2026-05-08 15:01:27 3.13 3.11 -1.23% CYCN 2026-05-08 16:01:46 3.27 2.83 -1.27% CYCN 2026-05-08 17:01:27 3.27 3.14 -1.27% CYCN 2026-05-08 18:01:39 3.27 2.83 0.00% CYCN 2026-05-08 20:01:49 0.00 0.00 0.00% 2026-05-11 CYCN 2026-05-11 04:01:51 3.41 2.85 0.00% CYCN 2026-05-11 07:01:20 3.41 2.77 0.00% CYCN 2026-05-11 08:01:39 3.20 2.77 -0.32% CYCN 2026-05-11 09:01:23 3.19 2.33 -0.32% CYCN 2026-05-11 10:01:41 3.18 3.13 2.22% CYCN 2026-05-11 11:01:21 3.18 3.14 2.86% CYCN 2026-05-11 12:01:49 3.16 3.13 2.86% CYCN 2026-05-11 13:01:28 3.15 3.12 0.95% CYCN 2026-05-11 15:01:35 3.21 3.17 2.86% CYCN 2026-05-11 16:01:36 3.95 3.13 2.90% CYCN 2026-05-11 17:01:29 3.46 3.13 2.90% CYCN 2026-05-11 18:01:48 3.46 3.13 2.26% CYCN 2026-05-11 19:01:33 3.46 3.13 0.97% CYCN 2026-05-11 20:01:43 0.00 0.00 0.97% 2026-05-12 CYCN 2026-05-12 04:01:48 3.44 2.84 0.97% CYCN 2026-05-12 06:01:48 3.44 2.84 -3.87% CYCN 2026-05-12 07:01:28 3.41 2.85 -3.87% CYCN 2026-05-12 08:01:45 3.45 3.04 -3.87% CYCN 2026-05-12 09:01:29 3.48 3.03 -3.87% CYCN 2026-05-12 10:01:46 3.18 3.11 -1.29% CYCN 2026-05-12 11:01:20 3.15 3.06 -1.29% CYCN 2026-05-12 12:01:44 3.13 3.07 -3.23% CYCN 2026-05-12 13:01:24 3.13 3.10 -2.58% CYCN 2026-05-12 14:01:47 3.18 3.13 -1.29% CYCN 2026-05-12 15:01:26 3.20 3.16 0.65% CYCN 2026-05-12 16:01:53 3.22 3.15 0.00% CYCN 2026-05-12 16:15:33 10-Q Sec report https://www.sec.gov/Archives/edgar/data/1755237/000119312526219478/0001193125-26-219478-index.htm 10-Q - Cyclerion Therapeutics, Inc. (0001755237) (Filer) CYCN 2026-05-12 20:01:52 0.00 0.00 0.00% 2026-05-13 CYCN 2026-05-13 04:01:55 3.46 2.79 0.00% CYCN 2026-05-13 08:01:42 3.44 2.79 0.00% CYCN 2026-05-13 09:01:19 3.50 3.06 0.00% CYCN 2026-05-13 10:01:45 3.14 3.10 -1.57% CYCN 2026-05-13 11:01:20 3.23 3.16 -0.31% CYCN 2026-05-13 12:01:47 3.17 3.14 -0.94% CYCN 2026-05-13 13:01:28 3.16 3.14 -0.94% CYCN 2026-05-13 14:01:40 3.19 3.16 -0.31% CYCN 2026-05-13 15:01:20 3.20 3.18 0.31% CYCN 2026-05-13 16:01:47 3.44 2.95 -1.57% CYCN 2026-05-13 18:01:44 3.38 2.95 -1.57% CYCN 2026-05-13 19:01:27 3.33 2.95 -1.57% CYCN 2026-05-13 20:01:49 0.00 0.00 -1.57% 2026-05-14 CYCN 2026-05-14 04:01:51 3.36 3.04 -1.57% CYCN 2026-05-14 05:01:27 3.32 3.06 -1.57% CYCN 2026-05-14 06:01:43 3.32 3.07 -1.57% CYCN 2026-05-14 09:01:30 3.32 3.06 -1.57% CYCN 2026-05-14 10:01:53 3.13 3.06 -0.63% CYCN 2026-05-14 11:01:23 3.20 3.09 0.00% CYCN 2026-05-14 13:01:47 3.18 3.13 1.89% CYCN 2026-05-14 14:01:33 3.21 3.13 1.89% CYCN 2026-05-14 15:01:56 3.18 3.15 2.52% CYCN 2026-05-14 16:01:21 3.18 3.08 -1.28% CYCN 2026-05-14 17:01:54 3.32 3.07 -1.28% CYCN 2026-05-14 20:01:27 0.00 0.00 -1.28% 2026-05-15 CYCN 2026-05-15 04:01:24 3.12 2.79 -1.28% CYCN 2026-05-15 06:01:20 3.12 3.02 -1.28% CYCN 2026-05-15 07:01:47 3.36 2.91 -1.28% CYCN 2026-05-15 08:01:25 3.20 2.91 -1.28% CYCN 2026-05-15 09:01:42 3.20 2.90 0.96% CYCN 2026-05-15 10:01:26 3.17 3.14 1.92% CYCN 2026-05-15 11:01:54 3.13 3.09 0.96% CYCN 2026-05-15 12:01:19 3.14 3.10 0.96% CYCN 2026-05-15 13:01:47 3.13 3.10 1.60% CYCN 2026-05-15 14:01:19 3.13 3.10 0.96% CYCN 2026-05-15 15:01:47 3.11 3.10 0.96% CYCN 2026-05-15 16:01:28 3.19 2.90 1.29% CYCN 2026-05-15 17:01:45 3.27 2.91 1.29% CYCN 2026-05-15 20:01:32 0.00 0.00 1.29% 2026-05-18 CYCN 2026-05-18 04:01:51 3.59 2.79 1.29% CYCN 2026-05-18 05:01:35 3.59 2.88 1.29% CYCN 2026-05-18 06:01:55 3.59 2.89 1.29% CYCN 2026-05-18 07:01:23 3.45 2.79 1.29% CYCN 2026-05-18 08:01:48 3.30 2.79 1.29% CYCN 2026-05-18 09:01:34 3.17 2.88 1.29% CYCN 2026-05-18 10:01:38 3.03 2.98 -1.29% CYCN 2026-05-18 11:01:22 3.02 2.98 -3.24% CYCN 2026-05-18 12:01:48 3.01 2.98 -3.88% CYCN 2026-05-18 13:01:30 3.01 2.99 -3.24% CYCN 2026-05-18 14:01:49 3.01 2.99 -3.88% CYCN 2026-05-18 15:01:24 3.03 3.02 -3.24% CYCN 2026-05-18 16:01:54 3.29 2.90 -3.21% CYCN 2026-05-18 17:01:28 3.41 2.90 -3.21% CYCN 2026-05-18 19:01:28 3.48 2.90 -3.21% CYCN 2026-05-18 20:01:47 0.00 0.00 -3.21% 2026-05-19 CYCN 2026-05-19 04:01:59 3.13 2.78 -3.21% CYCN 2026-05-19 06:01:46 3.12 2.78 -3.21% CYCN 2026-05-19 07:01:26 3.12 2.79 -3.21% CYCN 2026-05-19 09:01:22 3.13 2.90 -3.21% CYCN 2026-05-19 10:01:51 2.97 2.93 -1.92% CYCN 2026-05-19 11:01:23 3.00 2.95 -1.28% CYCN 2026-05-19 12:01:53 3.07 3.01 -0.64% CYCN 2026-05-19 13:01:24 3.05 3.01 0.00% CYCN 2026-05-19 14:01:47 3.01 3.00 0.00% CYCN 2026-05-19 15:01:22 3.04 3.00 0.64% CYCN 2026-05-19 16:01:37 3.10 2.78 -0.66% CYCN 2026-05-19 20:01:51 0.00 0.00 -0.66% 2026-05-20 CYCN 2026-05-20 04:01:51 3.59 2.29 -0.66% CYCN 2026-05-20 05:01:27 3.39 2.29 -0.66% CYCN 2026-05-20 07:01:23 3.25 2.66 -0.66% CYCN 2026-05-20 08:01:40 2.99 2.66 -0.66% CYCN 2026-05-20 09:01:24 2.99 2.10 -0.66% CYCN 2026-05-20 10:01:41 3.10 2.99 1.66% CYCN 2026-05-20 11:01:22 3.09 3.05 2.32% CYCN 2026-05-20 12:01:46 3.10 3.04 2.98% CYCN 2026-05-20 13:01:22 3.11 3.08 2.98% CYCN 2026-05-20 14:01:41 3.08 3.03 2.98% CYCN 2026-05-20 15:01:30 3.11 3.03 2.98% CYCN 2026-05-20 16:01:46 3.32 2.95 3.00% CYCN 2026-05-20 20:01:42 0.00 0.00 3.00% 2026-05-21 CYCN 2026-05-21 04:01:55 3.34 1.24 3.00% CYCN 2026-05-21 05:01:28 3.34 2.77 3.00% CYCN 2026-05-21 07:01:23 3.54 3.03 3.00% CYCN 2026-05-21 08:01:46 3.54 3.05 3.00% CYCN 2026-05-21 09:01:25 4.18 3.05 -0.67% CYCN 2026-05-21 10:01:47 3.11 3.06 0.00% CYCN 2026-05-21 11:01:23 3.11 3.07 1.00% CYCN 2026-05-21 12:01:46 3.14 3.07 0.33% CYCN 2026-05-21 13:01:29 3.13 3.07 0.33% CYCN 2026-05-21 14:01:48 3.19 3.13 2.33% CYCN 2026-05-21 15:01:25 3.18 3.16 3.00% CYCN 2026-05-21 16:01:46 3.27 3.02 2.92% CYCN 2026-05-21 19:01:29 3.27 3.03 2.92% CYCN 2026-05-21 20:01:50 0.00 0.00 2.92% 2026-05-22 CYCN 2026-05-22 04:01:40 3.57 2.80 2.92% CYCN 2026-05-22 05:01:39 3.35 2.80 2.92% CYCN 2026-05-22 07:01:22 3.10 2.66 2.92% CYCN 2026-05-22 08:01:53 3.54 2.66 -1.95% CYCN 2026-05-22 09:01:24 4.18 2.08 -1.95% CYCN 2026-05-22 10:01:42 3.25 3.18 0.97% CYCN 2026-05-22 11:01:18 3.28 3.24 3.57% CYCN 2026-05-22 12:01:48 3.29 3.27 4.22% CYCN 2026-05-22 13:01:51 3.35 3.34 5.84% CYCN 2026-05-22 14:01:45 3.33 3.30 5.52% CYCN 2026-05-22 15:01:29 3.31 3.27 4.22% CYCN 2026-05-22 16:01:48 3.39 3.13 0.95% CYCN 2026-05-22 19:01:25 3.25 3.13 0.95% CYCN 2026-05-22 20:01:44 0.00 0.00 -0.95% 2026-05-26 CYCN 2026-05-26 04:01:48 3.45 1.28 -0.95% CYCN 2026-05-26 05:01:20 3.32 2.95 -0.95% CYCN 2026-05-26 10:01:42 3.24 3.15 0.00% CYCN 2026-05-26 11:01:21 3.14 3.11 -0.63% CYCN 2026-05-26 12:01:46 3.18 3.14 -0.63% CYCN 2026-05-26 13:01:23 3.19 3.18 0.32% CYCN 2026-05-26 14:01:50 3.20 3.18 0.95% CYCN 2026-05-26 15:01:29 3.20 3.17 0.32% CYCN 2026-05-26 16:01:37 3.25 2.95 0.94% CYCN 2026-05-26 20:01:46 0.00 0.00 0.94%