$PRTA: Prothena Corporation plc - Ordinary Shares
2026-04-23 PRTA 2026-04-23 02:03:50 0.00 0.00 0.56% PRTA 2026-04-23 04:03:55 14.40 9.38 0.56% PRTA 2026-04-23 07:02:37 11.11 9.38 0.56% PRTA 2026-04-23 09:02:33 10.77 9.38 0.56% PRTA 2026-04-23 10:03:22 10.74 10.73 0.09% PRTA 2026-04-23 11:03:06 10.99 10.97 2.34% PRTA 2026-04-23 12:03:35 11.00 10.99 2.62% PRTA 2026-04-23 13:02:43 10.80 10.78 0.75% PRTA 2026-04-23 14:03:37 10.86 10.85 1.22% PRTA 2026-04-23 15:02:40 10.76 10.75 0.37% PRTA 2026-04-23 16:03:27 11.11 9.71 0.09% PRTA 2026-04-23 20:03:31 0.00 0.00 0.09% 2026-04-24 PRTA 2026-04-24 04:03:44 17.16 9.68 0.09% PRTA 2026-04-24 07:02:35 12.04 9.68 0.09% PRTA 2026-04-24 09:02:33 12.99 9.68 0.09% PRTA 2026-04-24 10:03:27 10.69 10.68 -0.37% PRTA 2026-04-24 11:02:29 10.75 10.74 0.09% PRTA 2026-04-24 12:04:09 10.73 10.71 -0.09% PRTA 2026-04-24 13:02:32 10.70 10.69 -0.19% PRTA 2026-04-24 14:03:19 10.78 10.77 0.37% PRTA 2026-04-24 15:02:43 10.72 10.71 0.00% PRTA 2026-04-24 16:03:20 10.80 9.68 0.19% PRTA 2026-04-24 18:03:28 11.72 9.68 0.19% PRTA 2026-04-24 19:03:03 12.30 9.68 0.19% PRTA 2026-04-24 20:03:58 0.00 0.00 0.19% 2026-04-27 PRTA 2026-04-27 04:03:40 17.20 8.85 0.19% PRTA 2026-04-27 05:02:34 17.18 8.81 0.19% PRTA 2026-04-27 07:02:40 11.50 9.47 0.19% PRTA 2026-04-27 09:02:29 11.50 9.88 0.19% PRTA 2026-04-27 10:03:18 11.11 11.10 3.36% PRTA 2026-04-27 11:02:29 11.10 11.09 3.26% PRTA 2026-04-27 12:03:22 10.99 10.98 2.33% PRTA 2026-04-27 13:02:23 10.91 10.89 1.49% PRTA 2026-04-27 14:03:22 10.90 10.89 1.40% PRTA 2026-04-27 15:02:30 10.86 10.85 1.03% PRTA 2026-04-27 16:03:25 11.50 0.00 2.33% PRTA 2026-04-27 17:02:26 12.25 10.06 6.98% PRTA 2026-04-27 18:03:01 12.21 10.06 10.14% PRTA 2026-04-27 19:02:27 12.25 10.06 10.14% PRTA 2026-04-27 20:03:08 0.00 0.00 10.14% 2026-04-28 PRTA 2026-04-28 04:03:21 17.27 10.75 10.14% PRTA 2026-04-28 07:02:26 14.11 10.75 10.14% PRTA 2026-04-28 08:03:19 11.50 10.75 10.14% PRTA 2026-04-28 10:03:09 11.15 11.14 3.35% PRTA 2026-04-28 11:02:21 11.17 11.16 3.63% PRTA 2026-04-28 12:03:11 11.22 11.21 4.09% PRTA 2026-04-28 13:02:36 11.19 11.18 3.81% PRTA 2026-04-28 14:03:14 11.38 11.37 5.49% PRTA 2026-04-28 15:02:26 11.51 11.50 6.70% PRTA 2026-04-28 16:03:17 12.86 11.40 6.77% PRTA 2026-04-28 20:03:22 0.00 0.00 6.77% 2026-04-29 PRTA 2026-04-29 04:03:31 18.41 9.68 6.77% PRTA 2026-04-29 07:02:31 12.71 9.68 6.77% PRTA 2026-04-29 08:03:18 11.51 9.68 6.77% PRTA 2026-04-29 09:02:30 12.68 9.68 6.77% PRTA 2026-04-29 10:03:20 11.17 11.16 -3.06% PRTA 2026-04-29 11:02:28 11.20 11.18 -2.97% PRTA 2026-04-29 12:03:18 11.01 11.00 -4.63% PRTA 2026-04-29 13:02:31 10.85 10.83 -6.12% PRTA 2026-04-29 14:03:31 10.75 10.74 -6.95% PRTA 2026-04-29 15:02:27 10.79 10.78 -6.77% PRTA 2026-04-29 16:03:22 10.94 10.36 -5.47% PRTA 2026-04-29 20:03:27 0.00 0.00 -5.47% 2026-04-30 PRTA 2026-04-30 04:03:18 17.39 10.76 -5.47% PRTA 2026-04-30 05:02:29 17.34 10.76 -5.47% PRTA 2026-04-30 06:03:22 17.22 10.76 -5.47% PRTA 2026-04-30 07:02:33 12.86 10.76 -5.47% PRTA 2026-04-30 09:02:29 13.51 10.76 -5.47% PRTA 2026-04-30 10:03:15 10.97 10.95 0.87% PRTA 2026-04-30 11:02:28 11.04 11.03 1.56% PRTA 2026-04-30 12:03:18 11.05 11.04 1.56% PRTA 2026-04-30 13:02:21 11.10 11.09 2.00% PRTA 2026-04-30 14:03:19 11.13 11.12 2.26% PRTA 2026-04-30 15:02:49 11.04 11.03 1.56% PRTA 2026-04-30 16:03:25 12.86 10.76 1.84% PRTA 2026-04-30 20:03:31 0.00 0.00 1.84% 2026-05-01 PRTA 2026-05-01 04:03:27 17.58 10.76 1.84% PRTA 2026-05-01 05:02:32 17.47 10.76 1.84% PRTA 2026-05-01 07:02:39 11.99 10.76 1.84% PRTA 2026-05-01 09:02:27 15.16 10.76 1.84% PRTA 2026-05-01 10:03:22 10.96 10.95 -0.83% PRTA 2026-05-01 11:03:31 10.89 10.88 -1.47% PRTA 2026-05-01 12:03:23 10.83 10.82 -2.21% PRTA 2026-05-01 13:02:36 10.84 10.83 -2.02% PRTA 2026-05-01 14:03:24 10.94 10.93 -1.20% PRTA 2026-05-01 15:02:33 10.87 10.86 -1.66% PRTA 2026-05-01 16:03:43 11.37 10.44 -3.71% PRTA 2026-05-01 17:02:21 11.06 10.44 -3.71% PRTA 2026-05-01 20:03:20 0.00 0.00 -3.71% 2026-05-04 PRTA 2026-05-04 04:03:27 16.91 9.68 -3.71% PRTA 2026-05-04 05:02:24 16.82 9.68 -3.71% PRTA 2026-05-04 06:03:24 16.83 9.68 -3.71% PRTA 2026-05-04 07:02:30 12.86 9.68 0.45% PRTA 2026-05-04 09:02:43 13.74 9.68 0.45% PRTA 2026-05-04 10:04:11 10.87 10.85 1.99% PRTA 2026-05-04 11:02:32 10.76 10.75 0.99% PRTA 2026-05-04 12:03:26 10.60 10.58 -0.45% PRTA 2026-05-04 13:02:40 10.60 10.59 -0.45% PRTA 2026-05-04 14:04:10 10.69 10.67 0.27% PRTA 2026-05-04 15:02:35 10.70 10.69 0.45% PRTA 2026-05-04 16:03:21 10.80 10.70 1.50% PRTA 2026-05-04 17:02:40 11.72 10.44 1.50% PRTA 2026-05-04 19:02:33 12.86 10.44 1.50% PRTA 2026-05-04 20:03:29 0.00 0.00 1.50% 2026-05-05 PRTA 2026-05-05 04:03:50 17.15 9.68 1.50% PRTA 2026-05-05 05:02:56 17.10 9.68 1.50% PRTA 2026-05-05 06:03:18 17.27 9.68 1.50% PRTA 2026-05-05 07:02:32 12.86 9.78 1.50% PRTA 2026-05-05 09:02:33 13.63 9.68 1.50% PRTA 2026-05-05 10:03:18 11.12 11.10 3.10% PRTA 2026-05-05 11:02:31 11.16 11.14 3.38% PRTA 2026-05-05 12:03:35 11.04 11.02 2.35% PRTA 2026-05-05 13:02:39 10.95 10.94 1.50% PRTA 2026-05-05 14:03:23 11.00 10.98 1.97% PRTA 2026-05-05 15:02:33 11.06 11.05 2.63% PRTA 2026-05-05 16:03:24 11.37 9.78 3.80% PRTA 2026-05-05 20:03:33 0.00 0.00 3.80% 2026-05-06 PRTA 2026-05-06 04:03:40 17.30 8.85 3.80% PRTA 2026-05-06 05:02:11 17.36 8.85 3.80% PRTA 2026-05-06 07:02:14 12.86 9.78 3.80% PRTA 2026-05-06 09:02:12 12.68 9.94 3.80% PRTA 2026-05-06 10:03:04 11.28 11.27 0.83% PRTA 2026-05-06 11:02:15 11.23 11.21 0.37% PRTA 2026-05-06 12:03:07 11.08 11.07 -0.93% PRTA 2026-05-06 13:02:14 11.11 11.10 -0.74% PRTA 2026-05-06 14:03:21 11.10 11.09 -0.74% PRTA 2026-05-06 15:02:30 11.19 11.18 0.00% PRTA 2026-05-06 16:03:09 11.37 0.00 0.00% PRTA 2026-05-06 17:02:22 11.37 9.78 0.00% PRTA 2026-05-06 20:03:03 0.00 0.00 0.00% 2026-05-07 PRTA 2026-05-07 04:03:03 17.36 8.85 0.00% PRTA 2026-05-07 05:02:13 17.23 8.85 0.00% PRTA 2026-05-07 06:03:50 17.14 8.85 0.00% PRTA 2026-05-07 07:02:23 12.86 9.78 0.00% PRTA 2026-05-07 09:02:12 13.80 8.81 0.00% PRTA 2026-05-07 10:02:58 11.03 11.02 -1.34% PRTA 2026-05-07 11:02:12 10.89 10.87 -2.59% PRTA 2026-05-07 12:02:59 10.72 10.70 -4.11% PRTA 2026-05-07 13:02:17 10.60 10.58 -5.18% PRTA 2026-05-07 14:03:04 10.74 10.72 -3.93% PRTA 2026-05-07 15:02:10 10.61 10.60 -5.18% PRTA 2026-05-07 16:03:03 11.37 10.01 -5.90% PRTA 2026-05-07 16:14:21 8-K Sec report https://www.sec.gov/Archives/edgar/data/1559053/000155905326000016/0001559053-26-000016-index.htm 8-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) PRTA 2026-05-07 18:02:54 11.13 10.01 -5.90% PRTA 2026-05-07 19:02:13 11.37 10.01 -5.90% PRTA 2026-05-07 20:02:58 0.00 0.00 -5.90% 2026-05-08 PRTA 2026-05-08 04:03:07 16.83 8.85 -5.90% PRTA 2026-05-08 06:03:04 16.83 9.00 -5.90% PRTA 2026-05-08 07:02:22 12.86 9.88 -5.90% PRTA 2026-05-08 09:02:09 13.69 8.66 -5.90% PRTA 2026-05-08 10:03:00 11.10 11.07 5.01% PRTA 2026-05-08 11:02:32 10.80 10.78 2.50% PRTA 2026-05-08 12:03:05 10.76 10.74 2.24% PRTA 2026-05-08 13:02:10 10.93 10.91 3.67% PRTA 2026-05-08 14:03:02 10.91 10.88 3.40% PRTA 2026-05-08 15:02:15 10.73 10.72 1.97% PRTA 2026-05-08 16:03:03 11.74 9.51 2.09% PRTA 2026-05-08 19:02:11 11.74 10.00 2.09% PRTA 2026-05-08 20:03:03 0.00 0.00 2.09% 2026-05-11 PRTA 2026-05-11 04:03:07 17.02 8.85 2.09% PRTA 2026-05-11 05:02:08 16.98 9.82 2.09% PRTA 2026-05-11 06:02:59 17.16 9.82 2.09% PRTA 2026-05-11 07:02:07 12.86 10.73 2.09% PRTA 2026-05-11 08:02:56 12.86 10.72 5.80% PRTA 2026-05-11 09:02:10 12.48 10.72 5.80% PRTA 2026-05-11 10:02:58 10.24 10.22 -4.75% PRTA 2026-05-11 11:02:08 9.98 9.97 -7.13% PRTA 2026-05-11 12:03:07 9.78 9.76 -9.03% PRTA 2026-05-11 13:02:16 9.76 9.75 -9.32% PRTA 2026-05-11 14:02:54 9.76 9.74 -9.32% PRTA 2026-05-11 15:02:23 9.59 9.58 -10.93% PRTA 2026-05-11 16:02:52 10.19 9.00 -9.88% PRTA 2026-05-11 17:02:14 10.19 9.00 -8.11% PRTA 2026-05-11 20:02:57 0.00 0.00 -8.11% 2026-05-12 PRTA 2026-05-12 04:03:06 11.37 4.94 -8.11% PRTA 2026-05-12 07:02:16 11.37 8.39 -8.11% PRTA 2026-05-12 09:02:17 12.37 9.58 -8.11% PRTA 2026-05-12 10:03:04 9.55 9.53 -1.03% PRTA 2026-05-12 11:02:08 9.51 9.50 -1.49% PRTA 2026-05-12 12:03:01 9.35 9.34 -2.98% PRTA 2026-05-12 13:02:11 9.45 9.43 -2.14% PRTA 2026-05-12 14:03:04 9.36 9.35 -2.89% PRTA 2026-05-12 15:02:13 9.36 9.34 -2.98% PRTA 2026-05-12 16:03:09 9.50 8.39 -2.48% PRTA 2026-05-12 18:02:54 9.51 8.39 -2.48% PRTA 2026-05-12 20:03:06 0.00 0.00 -2.48% 2026-05-13 PRTA 2026-05-13 04:03:12 11.37 4.94 -2.48% PRTA 2026-05-13 07:02:07 11.37 8.39 -2.48% PRTA 2026-05-13 09:02:06 9.48 7.55 -2.48% PRTA 2026-05-13 10:03:03 9.37 9.35 -0.52% PRTA 2026-05-13 11:02:08 9.44 9.43 0.10% PRTA 2026-05-13 12:03:05 9.41 9.40 -0.10% PRTA 2026-05-13 13:02:15 9.57 9.55 1.45% PRTA 2026-05-13 14:02:56 9.53 9.51 1.03% PRTA 2026-05-13 15:02:07 9.68 9.67 2.59% PRTA 2026-05-13 16:03:02 11.37 9.27 1.80% PRTA 2026-05-13 20:03:02 0.00 0.00 1.80% 2026-05-14 PRTA 2026-05-14 04:03:08 11.37 4.94 1.80% PRTA 2026-05-14 06:03:02 11.37 4.94 7.10% PRTA 2026-05-14 07:02:15 10.74 9.58 7.10% PRTA 2026-05-14 08:03:00 10.74 8.39 7.10% PRTA 2026-05-14 09:02:19 10.74 8.51 7.10% PRTA 2026-05-14 10:03:11 9.59 9.58 0.00% PRTA 2026-05-14 11:02:10 9.64 9.61 0.32% PRTA 2026-05-14 13:03:05 9.72 9.69 1.38% PRTA 2026-05-14 14:02:21 9.75 9.74 1.59% PRTA 2026-05-14 15:03:13 9.74 9.73 1.59% PRTA 2026-05-14 16:02:07 9.99 8.39 2.71% PRTA 2026-05-14 20:02:12 0.00 0.00 2.71% 2026-05-15 PRTA 2026-05-15 04:02:11 11.37 4.94 2.71% PRTA 2026-05-15 05:03:07 11.37 8.88 2.71% PRTA 2026-05-15 06:02:08 9.94 8.88 2.71% PRTA 2026-05-15 08:02:12 9.93 8.88 2.71% PRTA 2026-05-15 09:03:01 9.93 7.53 2.71% PRTA 2026-05-15 10:02:15 9.48 9.46 -3.96% PRTA 2026-05-15 11:03:11 9.54 9.51 -3.44% PRTA 2026-05-15 12:02:07 9.60 9.58 -2.71% PRTA 2026-05-15 13:03:04 9.72 9.69 -1.56% PRTA 2026-05-15 14:02:07 9.66 9.65 -1.98% PRTA 2026-05-15 15:03:04 9.72 9.71 -1.25% PRTA 2026-05-15 16:02:14 0.00 0.00 -0.91% PRTA 2026-05-15 16:31:27 8-K Sec report https://www.sec.gov/Archives/edgar/data/1559053/000119312526226968/0001193125-26-226968-index.htm 8-K - PROTHENA CORP PUBLIC LTD CO (0001559053) (Filer) PRTA 2026-05-15 17:02:59 11.07 8.43 -0.91% PRTA 2026-05-15 18:02:16 11.07 9.75 1.01% PRTA 2026-05-15 20:02:18 0.00 0.00 1.01% 2026-05-18 PRTA 2026-05-18 04:03:09 11.37 4.94 1.01% PRTA 2026-05-18 07:02:10 11.37 8.43 1.01% PRTA 2026-05-18 09:02:22 12.19 7.57 1.01% PRTA 2026-05-18 10:02:56 9.94 9.93 1.83% PRTA 2026-05-18 11:02:10 9.77 9.76 0.10% PRTA 2026-05-18 12:03:05 9.83 9.80 0.71% PRTA 2026-05-18 13:02:17 9.79 9.77 0.41% PRTA 2026-05-18 14:03:06 9.70 9.68 -0.51% PRTA 2026-05-18 15:02:11 9.56 9.55 -1.93% PRTA 2026-05-18 16:03:10 10.65 9.06 0.10% PRTA 2026-05-18 17:02:14 11.37 9.06 0.10% PRTA 2026-05-18 20:03:01 0.00 0.00 0.10% 2026-05-19 PRTA 2026-05-19 04:03:16 10.65 4.94 0.10% PRTA 2026-05-19 07:02:13 10.40 8.39 0.10% PRTA 2026-05-19 08:03:01 10.40 9.50 0.10% PRTA 2026-05-19 09:02:11 10.65 7.58 0.10% PRTA 2026-05-19 10:03:10 9.50 9.48 -0.92% PRTA 2026-05-19 11:02:11 9.35 9.33 -2.46% PRTA 2026-05-19 12:03:11 9.19 9.17 -4.20% PRTA 2026-05-19 13:02:12 9.17 9.15 -4.30% PRTA 2026-05-19 14:03:04 9.28 9.26 -3.38% PRTA 2026-05-19 15:02:09 9.14 9.13 -4.51% PRTA 2026-05-19 16:02:53 10.31 9.06 -5.32% PRTA 2026-05-19 18:02:59 9.34 9.06 -5.32% PRTA 2026-05-19 19:02:22 10.31 9.06 -5.32% PRTA 2026-05-19 20:03:05 0.00 0.00 -5.32% 2026-05-20 PRTA 2026-05-20 04:03:08 11.37 8.26 -5.32% PRTA 2026-05-20 07:02:11 9.47 8.26 -5.32% PRTA 2026-05-20 08:02:59 10.44 8.16 -5.32% PRTA 2026-05-20 09:02:12 11.20 9.08 -5.32% PRTA 2026-05-20 10:02:58 9.33 9.31 2.61% PRTA 2026-05-20 11:02:09 9.34 9.33 2.82% PRTA 2026-05-20 12:03:04 9.36 9.34 3.02% PRTA 2026-05-20 13:02:10 9.33 9.32 2.61% PRTA 2026-05-20 14:02:58 9.29 9.27 2.40% PRTA 2026-05-20 15:02:17 9.20 9.18 1.46% PRTA 2026-05-20 16:03:03 10.31 9.00 3.09% PRTA 2026-05-20 20:02:57 0.00 0.00 3.09% 2026-05-21 PRTA 2026-05-21 04:03:12 11.37 8.16 3.09% PRTA 2026-05-21 07:02:11 10.44 9.01 3.09% PRTA 2026-05-21 09:02:13 11.22 9.01 3.09% PRTA 2026-05-21 10:03:05 9.09 9.08 -2.87% PRTA 2026-05-21 11:02:11 9.15 9.14 -2.21% PRTA 2026-05-21 12:03:03 9.22 9.19 -1.43% PRTA 2026-05-21 13:02:16 9.24 9.23 -1.21% PRTA 2026-05-21 14:03:05 9.25 9.24 -1.10% PRTA 2026-05-21 15:02:13 9.41 9.40 0.77% PRTA 2026-05-21 16:03:02 9.52 9.00 0.75% PRTA 2026-05-21 20:03:04 0.00 0.00 0.75% 2026-05-22 PRTA 2026-05-22 04:02:57 11.37 8.22 0.75% PRTA 2026-05-22 07:02:09 10.33 9.00 0.75% PRTA 2026-05-22 09:02:12 11.17 9.00 0.75% PRTA 2026-05-22 10:03:02 9.85 9.83 4.60% PRTA 2026-05-22 11:02:06 9.83 9.82 4.49% PRTA 2026-05-22 12:03:06 9.97 9.93 5.88% PRTA 2026-05-22 13:02:39 9.94 9.92 5.56% PRTA 2026-05-22 14:03:02 9.90 9.88 5.24% PRTA 2026-05-22 15:02:16 9.82 9.81 4.28% PRTA 2026-05-22 16:03:03 11.02 9.00 4.46% PRTA 2026-05-22 19:02:13 11.02 8.22 4.46% PRTA 2026-05-22 20:02:59 0.00 0.00 4.46%