$PRTA: Prothena Corporation plc - Ordinary Shares
2025-10-24 PRTA 2025-10-24 18:03:21 11.18 9.65 0.82% PRTA 2025-10-24 20:03:15 0.00 0.00 0.82% 2025-10-27 PRTA 2025-10-27 05:02:42 10.96 8.24 0.82% PRTA 2025-10-27 06:03:38 10.96 8.77 0.82% PRTA 2025-10-27 08:03:46 10.96 9.85 0.82% PRTA 2025-10-27 09:02:55 10.96 9.01 2.36% PRTA 2025-10-27 10:03:39 10.20 10.15 4.00% PRTA 2025-10-27 11:02:46 10.32 10.30 5.13% PRTA 2025-10-27 12:03:36 10.30 10.27 4.72% PRTA 2025-10-27 13:02:49 10.30 10.25 4.72% PRTA 2025-10-27 14:03:45 10.36 10.34 5.44% PRTA 2025-10-27 15:02:56 10.34 10.32 5.23% PRTA 2025-10-27 16:03:19 10.50 10.13 5.74% PRTA 2025-10-27 17:02:34 11.72 10.13 6.92% PRTA 2025-10-27 18:03:22 11.72 9.56 6.92% PRTA 2025-10-27 19:02:35 11.70 10.17 6.92% PRTA 2025-10-27 20:03:18 0.00 0.00 6.92% 2025-10-28 PRTA 2025-10-28 05:02:28 11.83 9.15 6.92% PRTA 2025-10-28 07:02:24 11.64 9.77 6.92% PRTA 2025-10-28 08:03:26 11.05 10.73 6.92% PRTA 2025-10-28 09:02:39 11.05 10.73 5.40% PRTA 2025-10-28 10:03:16 11.30 11.26 9.27% PRTA 2025-10-28 11:02:22 11.10 11.05 7.33% PRTA 2025-10-28 12:03:22 10.96 10.89 5.91% PRTA 2025-10-28 13:02:43 11.00 10.98 6.52% PRTA 2025-10-28 14:03:15 10.74 10.71 3.77% PRTA 2025-10-28 15:02:27 10.68 10.66 3.26% PRTA 2025-10-28 16:03:17 11.40 10.19 1.83% PRTA 2025-10-28 17:02:30 11.65 10.19 6.17% PRTA 2025-10-28 18:03:04 11.00 10.19 6.17% PRTA 2025-10-28 19:02:11 11.00 10.34 6.17% PRTA 2025-10-28 20:03:02 0.00 0.00 5.98% 2025-10-29 PRTA 2025-10-29 05:02:24 12.64 8.24 5.98% PRTA 2025-10-29 07:02:20 12.64 10.00 -4.15% PRTA 2025-10-29 08:03:10 12.64 10.05 -4.15% PRTA 2025-10-29 09:02:24 11.90 10.50 2.22% PRTA 2025-10-29 10:03:08 10.50 10.46 -0.39% PRTA 2025-10-29 11:02:22 10.73 10.67 1.45% PRTA 2025-10-29 12:03:15 10.62 10.59 0.87% PRTA 2025-10-29 13:02:22 10.72 10.69 1.64% PRTA 2025-10-29 14:03:08 10.77 10.75 2.22% PRTA 2025-10-29 15:02:25 10.71 10.67 1.54% PRTA 2025-10-29 16:03:16 10.80 10.10 1.16% PRTA 2025-10-29 17:02:25 12.64 10.10 1.14% PRTA 2025-10-29 19:02:19 12.64 10.68 1.14% PRTA 2025-10-29 20:03:05 0.00 0.00 1.14% 2025-10-30 PRTA 2025-10-30 05:02:22 12.64 8.68 1.14% PRTA 2025-10-30 06:03:12 11.15 8.60 0.85% PRTA 2025-10-30 07:02:27 11.15 9.88 0.85% PRTA 2025-10-30 09:02:22 11.15 9.97 0.85% PRTA 2025-10-30 10:03:08 10.74 10.70 0.85% PRTA 2025-10-30 11:02:24 10.73 10.70 0.76% PRTA 2025-10-30 12:03:10 10.59 10.57 -0.66% PRTA 2025-10-30 13:02:29 10.60 10.57 -0.57% PRTA 2025-10-30 14:03:11 10.52 10.50 -1.33% PRTA 2025-10-30 15:02:28 10.55 10.53 -0.95% PRTA 2025-10-30 16:03:15 10.81 10.34 -1.52% PRTA 2025-10-30 17:02:22 10.81 10.34 -1.50% PRTA 2025-10-30 20:03:14 0.00 0.00 -1.50% 2025-10-31 PRTA 2025-10-31 05:02:30 12.64 8.24 -1.50% PRTA 2025-10-31 06:03:11 12.51 8.24 -0.75% PRTA 2025-10-31 07:02:28 11.73 9.15 -0.75% PRTA 2025-10-31 08:03:10 11.73 9.65 -0.75% PRTA 2025-10-31 10:03:13 10.74 10.68 2.16% PRTA 2025-10-31 11:02:25 10.75 10.72 2.35% PRTA 2025-10-31 12:03:12 10.55 10.51 0.47% PRTA 2025-10-31 13:02:27 10.58 10.54 0.66% PRTA 2025-10-31 14:03:27 10.58 10.57 0.85% PRTA 2025-10-31 15:02:25 10.62 10.61 1.41% PRTA 2025-10-31 16:04:55 0.00 10.54 2.54% PRTA 2025-10-31 17:02:21 12.64 10.54 2.58% PRTA 2025-10-31 18:03:12 12.64 9.59 2.58% PRTA 2025-10-31 19:02:20 12.64 9.15 2.58% PRTA 2025-10-31 20:03:07 0.00 0.00 2.58% 2025-11-03 PRTA 2025-11-03 06:03:13 12.64 9.81 2.58% PRTA 2025-11-03 09:02:24 12.64 9.92 2.58% PRTA 2025-11-03 10:03:15 12.64 10.06 2.58% PRTA 2025-11-03 11:02:26 10.84 10.80 0.76% PRTA 2025-11-03 12:03:16 10.47 10.42 -2.67% PRTA 2025-11-03 13:02:30 10.56 10.52 -1.81% PRTA 2025-11-03 14:03:29 10.58 10.56 -1.62% PRTA 2025-11-03 15:02:25 10.52 10.50 -2.29% PRTA 2025-11-03 17:04:00 10.60 8.00 -1.91% PRTA 2025-11-03 18:03:19 10.60 9.59 -1.86% PRTA 2025-11-03 19:02:37 11.06 10.34 -1.40% PRTA 2025-11-03 21:08:14 0.00 0.00 -1.40% PRTA 2025-11-03 22:08:17 11.06 10.34 -1.40% 2025-11-04 PRTA 2025-11-04 06:03:09 12.64 8.24 -1.40% PRTA 2025-11-04 08:03:12 10.80 9.60 -1.40% PRTA 2025-11-04 09:02:17 10.52 9.43 -1.40% PRTA 2025-11-04 10:03:12 10.52 9.56 -1.40% PRTA 2025-11-04 11:02:18 10.51 10.47 -0.28% PRTA 2025-11-04 12:03:10 10.54 10.53 0.09% PRTA 2025-11-04 13:02:20 10.47 10.45 -0.65% PRTA 2025-11-04 14:03:15 10.28 10.25 -2.51% PRTA 2025-11-04 15:07:01 10.33 10.30 -2.05% PRTA 2025-11-04 16:04:17 10.31 10.30 -2.05% PRTA 2025-11-04 17:02:31 10.99 8.00 -2.51% PRTA 2025-11-04 18:03:16 10.99 9.42 -2.56% 2025-11-05 PRTA 2025-11-05 06:03:18 12.64 8.35 -2.56% PRTA 2025-11-05 09:02:29 12.64 9.39 -2.56% PRTA 2025-11-05 10:03:22 10.40 9.39 -2.56% PRTA 2025-11-05 11:02:25 10.14 10.10 -1.52% PRTA 2025-11-05 12:03:09 10.06 10.03 -1.99% PRTA 2025-11-05 13:02:20 10.41 10.38 1.42% PRTA 2025-11-05 14:03:11 10.43 10.41 1.61% PRTA 2025-11-05 15:02:30 10.31 10.28 0.57% PRTA 2025-11-05 16:03:25 10.30 10.28 0.38% PRTA 2025-11-05 17:02:22 10.97 8.00 0.09% PRTA 2025-11-05 18:07:59 10.97 9.38 0.10% PRTA 2025-11-05 19:02:27 10.97 10.07 0.10% PRTA 2025-11-05 21:08:30 0.00 0.00 0.10% 2025-11-06 PRTA 2025-11-06 06:03:12 10.40 9.40 0.10% PRTA 2025-11-06 10:03:13 10.40 10.01 0.10% PRTA 2025-11-06 11:02:23 10.33 10.29 0.39% PRTA 2025-11-06 12:03:09 10.39 10.36 1.17% PRTA 2025-11-06 13:02:26 10.39 10.37 1.17% PRTA 2025-11-06 14:03:20 10.47 10.45 1.95% PRTA 2025-11-06 15:02:41 10.47 10.45 2.05% PRTA 2025-11-06 16:03:12 10.44 10.42 1.66% PRTA 2025-11-06 17:02:25 15.00 9.97 -1.75% PRTA 2025-11-06 18:03:10 11.51 9.99 -2.63% PRTA 2025-11-06 19:02:27 12.64 9.99 -2.63% 2025-11-07 PRTA 2025-11-07 06:03:21 11.51 9.99 -2.63% PRTA 2025-11-07 08:03:13 11.51 10.08 -2.63% PRTA 2025-11-07 09:02:30 11.53 10.08 -2.63% PRTA 2025-11-07 10:03:23 11.39 10.08 -2.63% PRTA 2025-11-07 11:02:24 10.29 10.15 1.75% PRTA 2025-11-07 12:03:11 9.82 9.77 -2.53% PRTA 2025-11-07 13:02:25 9.94 9.89 -1.56% PRTA 2025-11-07 14:03:35 9.99 9.93 -0.88% PRTA 2025-11-07 15:02:35 9.95 9.88 -1.46% PRTA 2025-11-07 16:03:18 10.22 10.18 1.46% PRTA 2025-11-07 17:02:34 0.00 9.60 4.77% PRTA 2025-11-07 18:03:15 10.50 10.36 4.86% PRTA 2025-11-07 19:02:31 10.50 9.60 4.86% PRTA 2025-11-07 21:06:39 0.00 0.00 4.86% 2025-11-10 PRTA 2025-11-10 06:03:31 11.94 10.50 4.86% PRTA 2025-11-10 08:03:21 11.94 10.56 4.86% PRTA 2025-11-10 09:02:42 11.94 10.56 4.27% PRTA 2025-11-10 10:03:15 11.00 10.56 3.37% PRTA 2025-11-10 11:02:38 10.94 10.90 3.67% PRTA 2025-11-10 12:03:18 10.86 10.82 2.88% PRTA 2025-11-10 13:02:33 10.86 10.83 2.78% PRTA 2025-11-10 14:03:19 10.74 10.72 1.69% PRTA 2025-11-10 15:02:36 10.70 10.68 1.29% PRTA 2025-11-10 16:03:38 10.67 10.64 0.89% PRTA 2025-11-10 17:02:45 23.80 8.00 -0.30% PRTA 2025-11-10 18:03:19 12.22 10.33 -0.28% PRTA 2025-11-10 19:02:41 12.22 8.77 -0.28% PRTA 2025-11-10 21:05:45 0.00 0.00 -0.28% 2025-11-11 PRTA 2025-11-11 06:03:29 12.64 8.24 -0.28% PRTA 2025-11-11 07:02:42 10.53 8.24 -0.28% PRTA 2025-11-11 08:03:28 10.53 10.30 -0.28% PRTA 2025-11-11 11:02:33 10.47 10.41 -0.85% PRTA 2025-11-11 12:03:19 10.63 10.56 0.19% PRTA 2025-11-11 13:02:41 10.69 10.66 1.42% PRTA 2025-11-11 14:03:20 10.64 10.61 0.76% PRTA 2025-11-11 15:02:38 10.59 10.58 0.66% PRTA 2025-11-11 16:03:17 10.52 10.50 -0.09% PRTA 2025-11-11 17:02:30 11.00 10.28 -0.38% PRTA 2025-11-11 18:03:35 11.00 10.48 -0.38% PRTA 2025-11-11 21:06:04 0.00 0.00 -0.38% 2025-11-12 PRTA 2025-11-12 06:03:20 11.94 8.24 -0.38% PRTA 2025-11-12 08:03:16 11.94 9.60 -0.38% PRTA 2025-11-12 10:03:18 11.74 9.60 1.04% PRTA 2025-11-12 11:02:27 10.76 10.60 1.23% PRTA 2025-11-12 12:03:11 10.73 10.67 2.18% PRTA 2025-11-12 13:02:28 10.75 10.72 2.47% PRTA 2025-11-12 14:03:16 10.78 10.77 2.85% PRTA 2025-11-12 15:02:32 10.77 10.75 2.75% PRTA 2025-11-12 16:03:15 10.78 10.76 2.85% PRTA 2025-11-12 17:02:32 0.00 10.21 3.51% PRTA 2025-11-12 18:03:10 11.91 10.64 3.53% PRTA 2025-11-12 19:02:32 12.64 10.64 3.53% PRTA 2025-11-12 21:05:22 0.00 0.00 3.53% PRTA 2025-11-12 22:06:57 12.64 10.64 3.53% 2025-11-13 PRTA 2025-11-13 06:03:23 12.64 9.34 3.53% PRTA 2025-11-13 10:03:17 12.00 9.34 3.53% PRTA 2025-11-13 11:02:31 10.59 10.55 -2.48% PRTA 2025-11-13 12:03:17 10.48 10.44 -3.63% PRTA 2025-11-13 13:02:33 10.44 10.41 -4.01% PRTA 2025-11-13 14:03:26 10.32 10.31 -4.96% PRTA 2025-11-13 15:02:47 10.26 10.24 -5.73% PRTA 2025-11-13 16:03:26 10.26 10.21 -5.92% PRTA 2025-11-13 17:02:32 0.00 10.10 -6.30% PRTA 2025-11-13 18:03:13 12.10 10.18 -5.90% PRTA 2025-11-13 19:02:32 12.64 10.18 -5.90% PRTA 2025-11-13 21:05:54 0.00 0.00 -5.90% 2025-11-14 PRTA 2025-11-14 06:03:26 11.05 8.24 -5.90% PRTA 2025-11-14 08:03:22 11.05 9.15 -5.90% PRTA 2025-11-14 09:02:36 10.00 9.60 -1.57% PRTA 2025-11-14 10:03:24 10.00 9.60 -2.49% PRTA 2025-11-14 11:02:27 10.22 10.11 -0.28% PRTA 2025-11-14 12:03:07 10.23 10.19 0.28% PRTA 2025-11-14 13:02:32 10.22 10.19 0.28% PRTA 2025-11-14 14:03:21 10.15 10.11 -0.28% PRTA 2025-11-14 15:02:43 10.12 10.10 -0.65% PRTA 2025-11-14 16:03:32 10.22 10.18 0.09% PRTA 2025-11-14 17:02:44 10.45 9.69 -2.30% PRTA 2025-11-14 18:03:17 10.45 9.93 -2.46% PRTA 2025-11-14 19:02:57 10.45 9.94 -2.16% PRTA 2025-11-14 20:00:53 Prothena Corporation plc (PRTA) Presents at AHA Scientific Sessions 2025 - Slideshow PRTA 2025-11-14 21:08:37 0.00 0.00 -2.16% 2025-11-17 PRTA 2025-11-17 06:03:18 12.64 8.24 -2.16% PRTA 2025-11-17 07:02:25 12.64 8.24 -1.08% PRTA 2025-11-17 08:03:16 9.91 8.77 -0.20% PRTA 2025-11-17 09:02:24 11.39 8.90 -0.20% PRTA 2025-11-17 10:03:14 12.64 8.77 -0.20% PRTA 2025-11-17 11:02:18 10.04 9.99 0.88% PRTA 2025-11-17 12:03:12 10.15 10.13 2.16% PRTA 2025-11-17 13:02:29 10.25 10.19 3.05% PRTA 2025-11-17 14:03:32 10.22 10.19 2.95% PRTA 2025-11-17 15:02:30 10.18 10.15 2.46% PRTA 2025-11-17 16:03:22 10.06 10.03 1.28% PRTA 2025-11-17 17:03:17 0.00 9.80 3.24% PRTA 2025-11-17 18:03:12 11.37 9.80 3.32% PRTA 2025-11-17 19:02:36 12.58 9.80 1.71% PRTA 2025-11-17 21:07:37 0.00 0.00 1.71% 2025-11-18 PRTA 2025-11-18 06:03:24 12.64 8.26 1.71% PRTA 2025-11-18 07:02:35 12.64 8.28 1.71% PRTA 2025-11-18 11:15:59 10.06 10.03 -1.91% PRTA 2025-11-18 12:02:34 10.03 9.99 -2.32% PRTA 2025-11-18 13:03:02 10.22 10.16 -0.20% PRTA 2025-11-18 14:02:40 10.28 10.24 0.20% PRTA 2025-11-18 15:03:05 10.40 10.36 1.41% PRTA 2025-11-18 16:02:44 10.37 10.34 1.01% PRTA 2025-11-18 17:03:07 0.00 0.00 1.11% PRTA 2025-11-18 18:02:39 11.94 9.15 1.07% PRTA 2025-11-18 19:03:13 12.64 9.15 1.07% PRTA 2025-11-18 21:13:03 0.00 0.00 1.07% PRTA 2025-11-18 22:03:51 12.64 9.15 1.07% 2025-11-19 PRTA 2025-11-19 06:02:39 12.64 8.24 1.07% PRTA 2025-11-19 07:03:00 12.51 8.24 1.07% PRTA 2025-11-19 08:02:43 12.51 8.77 1.07% PRTA 2025-11-19 09:02:57 12.51 8.77 0.98% PRTA 2025-11-19 10:02:40 11.83 8.77 0.00% PRTA 2025-11-19 11:03:00 10.30 10.16 -1.07% PRTA 2025-11-19 12:02:44 10.32 10.30 -0.39% PRTA 2025-11-19 13:03:02 10.03 9.94 -3.71% PRTA 2025-11-19 14:02:42 10.19 10.18 -1.66% PRTA 2025-11-19 15:03:03 10.15 10.13 -2.05% PRTA 2025-11-19 16:02:47 10.02 10.00 -3.22% PRTA 2025-11-19 17:02:55 0.00 0.00 -3.51% PRTA 2025-11-19 17:30:57 8-K Sec report https://www.sec.gov/Archives/edgar/data/1559053/000155905325000047/0001559053-25-000047-index.htm 8-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) PRTA 2025-11-19 18:02:43 11.83 9.99 -3.47% PRTA 2025-11-19 19:03:11 12.64 9.99 -3.47% PRTA 2025-11-19 20:03:00 12.58 8.77 -3.47% PRTA 2025-11-19 21:10:01 0.00 0.00 -3.47% 2025-11-20 PRTA 2025-11-20 06:02:39 11.30 8.24 -3.47% PRTA 2025-11-20 07:02:58 11.30 8.24 2.12% PRTA 2025-11-20 08:02:43 11.30 8.97 2.12% PRTA 2025-11-20 11:03:07 10.36 10.31 3.57% PRTA 2025-11-20 12:02:37 10.39 10.34 3.76% PRTA 2025-11-20 13:03:11 10.19 10.14 1.74% PRTA 2025-11-20 14:02:47 10.08 10.01 0.58% PRTA 2025-11-20 15:03:10 10.16 10.11 1.54% PRTA 2025-11-20 16:02:54 10.08 10.06 0.87% PRTA 2025-11-20 17:03:13 10.53 8.00 0.68% PRTA 2025-11-20 18:03:08 10.53 8.77 0.70% PRTA 2025-11-20 21:08:07 0.00 0.00 0.70% 2025-11-21 PRTA 2025-11-21 06:03:10 12.64 8.24 0.70% PRTA 2025-11-21 07:03:15 12.64 8.28 0.70% PRTA 2025-11-21 08:02:52 10.53 8.77 0.70% PRTA 2025-11-21 10:03:55 10.53 8.77 2.50% PRTA 2025-11-21 11:03:04 10.25 10.19 1.90% PRTA 2025-11-21 12:02:42 10.29 10.26 2.50% PRTA 2025-11-21 13:03:14 10.57 10.53 5.01% PRTA 2025-11-21 14:02:44 10.59 10.56 5.11% PRTA 2025-11-21 15:03:23 10.61 10.57 5.31% PRTA 2025-11-21 16:02:55 10.64 10.61 5.91% PRTA 2025-11-21 17:03:09 0.00 8.00 4.30% PRTA 2025-11-21 18:02:43 11.65 8.77 4.28% PRTA 2025-11-21 19:03:14 12.64 8.77 4.28% PRTA 2025-11-21 21:13:26 0.00 0.00 4.28%