Prothena Corporation plc - Ordinary Shares (PRTA)

Historical Prices For Prothena Corporation plc - Ordinary Shares (PRTA)

Date Range:

2025-09-12 - 2025-12-12

Date	Open	High	Low	Close	Volume	Adjusted Close
12/11/2025	9.93	10.50	9.81	10.33	693,399	10.33
12/10/2025	10.28	10.32	9.69	9.87	961,391	9.87
12/09/2025	10.70	10.80	10.23	10.32	532,153	10.32
12/08/2025	11.20	11.30	10.71	10.73	561,870	10.73
12/05/2025	11.18	11.48	10.97	11.07	434,696	11.07
12/04/2025	11.04	11.57	10.95	11.16	1,161,191	11.16
12/03/2025	10.40	11.48	10.31	11.17	777,465	11.17
12/02/2025	10.29	10.53	10.14	10.35	615,114	10.35
12/01/2025	10.98	11.13	10.21	10.27	648,494	10.27
11/28/2025	10.52	10.82	10.46	10.75	288,728	10.75
11/26/2025	10.48	10.59	10.37	10.43	451,420	10.43
11/25/2025	10.50	10.62	10.30	10.50	515,553	10.50
11/24/2025	10.55	10.91	10.29	10.40	776,117	10.40
11/21/2025	10.02	10.69	9.90	10.48	461,186	10.48
11/20/2025	10.12	10.51	9.99	10.05	457,798	10.05
11/19/2025	10.29	10.49	9.97	9.99	479,680	9.99
11/18/2025	10.18	10.42	9.96	10.36	427,945	10.36
11/17/2025	9.94	10.32	9.75	10.25	827,245	10.25
11/14/2025	10.04	10.33	9.93	9.93	504,462	9.93
11/13/2025	10.83	10.83	10.12	10.18	679,641	10.18
11/12/2025	10.36	10.90	10.22	10.85	686,417	10.85
11/11/2025	10.39	10.75	10.13	10.48	603,643	10.48
11/10/2025	10.90	11.09	10.46	10.53	694,728	10.53
11/07/2025	10.49	10.96	9.72	10.56	928,366	10.56
11/06/2025	10.30	10.49	10.02	10.08	557,221	10.08
11/05/2025	10.17	10.45	10.00	10.27	535,313	10.27
11/04/2025	10.40	10.56	10.16	10.26	600,252	10.26
11/03/2025	10.76	11.17	10.40	10.54	612,476	10.54
10/31/2025	10.54	10.79	10.40	10.75	479,954	10.75
10/30/2025	10.63	10.81	10.35	10.48	381,487	10.48
10/29/2025	10.60	10.79	10.34	10.65	596,013	10.65
10/28/2025	11.14	11.69	10.40	10.54	969,297	10.54
10/27/2025	9.98	10.40	9.95	10.37	405,387	10.37
10/24/2025	9.80	10.02	9.71	9.82	362,606	9.82
10/23/2025	9.88	9.97	9.72	9.75	349,011	9.75
10/22/2025	10.22	10.35	9.72	9.88	429,432	9.88
10/21/2025	10.37	10.61	10.18	10.21	289,877	10.21
10/20/2025	10.05	10.55	9.96	10.37	558,918	10.37
10/17/2025	9.99	10.23	9.61	9.92	777,390	9.92
10/16/2025	10.76	10.90	10.03	10.09	624,860	10.09
10/15/2025	10.12	10.72	10.12	10.66	801,963	10.66
10/14/2025	10.32	10.32	10.03	10.12	392,072	10.12
10/13/2025	10.03	10.35	10.00	10.35	703,189	10.35
10/10/2025	10.34	10.45	9.98	10.05	734,065	10.05
10/09/2025	10.43	10.65	10.28	10.30	801,307	10.30
10/08/2025	10.27	10.54	10.13	10.35	650,918	10.35
10/07/2025	10.12	10.37	9.92	10.17	1,033,872	10.17
10/06/2025	10.00	10.09	9.77	9.86	343,452	9.86
10/03/2025	10.02	10.16	9.58	9.92	852,906	9.92
10/02/2025	9.95	10.22	9.85	9.99	767,514	9.99
10/01/2025	9.79	10.46	9.78	9.92	959,402	9.92
9/30/2025	9.73	9.85	9.50	9.76	989,121	9.76
9/29/2025	9.43	9.82	9.21	9.76	946,535	9.76
9/26/2025	9.29	9.46	9.02	9.41	722,759	9.41
9/25/2025	9.20	9.56	9.04	9.36	1,566,775	9.36
9/24/2025	8.32	9.34	8.30	9.32	1,116,744	9.32
9/23/2025	8.28	8.35	8.14	8.31	404,696	8.31
9/22/2025	8.12	8.43	8.02	8.29	511,942	8.29
9/19/2025	8.20	8.23	8.06	8.07	910,686	8.07
9/18/2025	8.18	8.35	8.05	8.18	459,057	8.18
9/17/2025	8.19	8.38	8.04	8.06	507,319	8.06
9/16/2025	8.12	8.36	8.12	8.16	362,452	8.16
9/15/2025	8.18	8.35	8.10	8.16	713,691	8.16