PROTHENA CORP PUBLIC LTD CO (PRTA)

$8.26 +4.36%

EARNINGS ANALYTICS

event_upcoming Est. Next Earnings: 2026-08-06 ESTIMATED

PROTHENA CORP PUBLIC LTD CO (PRTA) has a 54-report earnings history dating back to Mar 28, 2013. Its average absolute post-earnings move is ±3.86%, and 46.3% of those reactions were positive. Its largest post-earnings gain was +12.02% (May 04, 2023) and its largest decline was -8.27% (Aug 08, 2022). The next earnings report is predicted for 2026-08-06 (estimated).

Earnings Price Reaction

Scroll to zoom, drag to pan — click earnings dots for details

Beat Miss

Earnings Impact

Total Earnings

Avg Abs. Movement

±3.86%

Positive %

46.3%

Negative %

53.7%

Historical Earnings Statistics

Date	Timing	Open	High	Close	Volume	Movement %	SEC Filing
May 07, 2026	☽ POST	$11.04	$11.16	$10.46	24,316	+2.63%	open_in_new
Feb 19, 2026	☽ POST	$9.06	$9.20	$9.03	349,700	-0.11%	open_in_new
Nov 06, 2025	☽ POST	$10.30	$10.49	$10.08	557,200	+4.76%	open_in_new
Aug 04, 2025	☽ POST	$6.85	$6.99	$6.94	957,900	+1.3%	open_in_new
May 08, 2025	☽ POST	$7.30	$7.44	$7.10	1,713,600	+4.65%	open_in_new
Feb 20, 2025	☽ POST	$15.00	$15.32	$15.25	357,700	+2.03%	open_in_new
Nov 12, 2024	☽ POST	$17.80	$18.00	$17.36	377,600	-0.75%	open_in_new
Aug 08, 2024	☽ POST	$19.42	$19.98	$19.68	246,200	+4.42%	open_in_new
May 08, 2024	☽ POST	$23.31	$23.87	$23.03	629,400	-4.47%	open_in_new
Feb 15, 2024	☽ POST	$27.23	$28.86	$28.52	689,900	-1.75%	open_in_new
Nov 02, 2023	☽ POST	$36.78	$36.80	$34.96	835,600	+7.41%	open_in_new
Aug 03, 2023	☽ POST	$66.84	$67.79	$66.53	315,400	-7.3%	open_in_new
May 04, 2023	☽ POST	$66.81	$70.88	$70.16	848,200	+12.02%	open_in_new
Feb 23, 2023	☽ POST	$52.67	$52.67	$50.90	490,400	+7.11%	open_in_new
Nov 03, 2022	☽ POST	$58.65	$58.97	$57.69	494,600	-5.43%	open_in_new
Aug 08, 2022	☽ POST	$33.17	$33.81	$33.01	294,100	-8.27%	open_in_new
May 05, 2022	☽ POST	$30.53	$31.11	$29.02	574,300	+2.65%	open_in_new
Feb 17, 2022	☽ POST	$36.91	$37.28	$35.06	596,200	-3.96%	open_in_new
Nov 04, 2021	☽ POST	$58.55	$59.56	$56.43	273,100	+4.45%	open_in_new
Aug 05, 2021	☽ POST	$54.10	$55.96	$55.94	405,100	+2.65%	open_in_new
May 11, 2021	☽ POST	$23.02	$23.53	$22.97	339,400	-4.88%	open_in_new
Feb 11, 2021	☀ PRE	$15.83	$16.25	$15.70	250,800	-0.19%	open_in_new
Nov 04, 2020	☽ POST	$11.39	$14.07	$13.94	866,100	-1.51%	open_in_new
Aug 06, 2020	☽ POST	$12.26	$13.30	$12.91	235,000	-1.47%	open_in_new
May 06, 2020	☽ POST	$12.14	$12.39	$11.92	183,400	-5.96%	open_in_new
Feb 12, 2020	☽ POST	$13.07	$13.57	$13.51	118,700	-4.37%	open_in_new
Nov 05, 2019	☽ POST	$9.35	$9.55	$9.46	91,600	-4.23%	open_in_new
Aug 06, 2019	☽ POST	$8.92	$9.25	$9.22	170,700	-2.39%	open_in_new
May 07, 2019	☽ POST	$10.46	$10.76	$10.34	241,300	+4.84%	open_in_new
Feb 14, 2019	☽ POST	$12.70	$12.84	$12.75	307,100	+3.14%	open_in_new
Nov 06, 2018	☽ POST	$12.96	$13.33	$12.81	340,700	+1.64%	open_in_new
Aug 07, 2018	☽ POST	$13.91	$14.42	$14.34	364,200	-0.91%	open_in_new
May 08, 2018	☽ POST	$13.79	$14.60	$14.25	914,700	-4.84%	open_in_new
Feb 14, 2018	☽ POST	$29.33	$31.07	$30.95	363,700	+3.75%	open_in_new
Nov 07, 2017	☽ POST	$61.84	$62.62	$60.96	253,500	-7.75%	open_in_new
Aug 08, 2017	☽ POST	$61.81	$64.39	$61.69	265,300	-4.43%	open_in_new
May 09, 2017	☽ POST	$48.82	$50.94	$50.77	291,500	+7.29%	open_in_new
Feb 14, 2017	☽ POST	$51.90	$52.48	$52.04	319,300	+1.59%	open_in_new
Nov 01, 2016	☽ POST	$48.28	$48.75	$47.93	385,900	-5.84%	open_in_new
Aug 02, 2016	☽ POST	$56.38	$56.54	$55.61	258,200	+4.78%	open_in_new
May 03, 2016	☽ POST	$43.55	$43.71	$41.56	352,100	-7.15%	open_in_new
Feb 18, 2016	☽ POST	$34.22	$34.83	$31.89	910,300	+8.87%	open_in_new
Nov 02, 2015	☽ POST	$52.10	$55.19	$55.05	350,400	+3.8%	open_in_new
Aug 04, 2015	☽ POST	$67.28	$69.37	$68.33	394,600	-2.11%	open_in_new
May 05, 2015	☽ POST	$33.86	$33.86	$31.59	416,600	-1.14%	open_in_new
Mar 05, 2015	☽ POST	$26.56	$27.17	$26.58	205,200	-1.73%	open_in_new
Nov 03, 2014	☽ POST	$22.07	$22.31	$22.19	181,200	-7.08%	open_in_new
Aug 04, 2014	☽ POST	$17.51	$18.97	$18.89	406,400	+3.07%	open_in_new
May 05, 2014	☽ POST	$21.09	$21.93	$21.69	538,200	-0.18%	open_in_new
Mar 06, 2014	☽ POST	$38.52	$38.99	$37.57	205,300	+0.32%	open_in_new
Nov 12, 2013	☽ POST	$25.86	$25.86	$25.54	19,200	+5.99%	open_in_new
Aug 12, 2013	☽ POST	$15.49	$16.32	$16.26	51,500	-1.6%	open_in_new
May 14, 2013	☽ POST	$8.20	$8.40	$8.34	23,200	-1.08%	open_in_new
Mar 28, 2013	☽ POST	$6.53	$6.69	$6.69	7,200	+0.52%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±3.86%

Avg % price change on earnings

description

SEC Filings

View

Browse all SEC filings

SEC Filing Types

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
144	20260609	open_in_new SEC.gov
4	20260605	open_in_new SEC.gov
4	20260603	open_in_new SEC.gov
4	20260526	open_in_new SEC.gov
4	20260515	open_in_new SEC.gov
4	20260515	open_in_new SEC.gov
4	20260515	open_in_new SEC.gov
4	20260515	open_in_new SEC.gov
4	20260515	open_in_new SEC.gov
4	20260515	open_in_new SEC.gov

Frequently asked about PRTA earnings

When does PROTHENA CORP PUBLIC LTD CO report earnings next? expand_more

PROTHENA CORP PUBLIC LTD CO (PRTA)'s next earnings date is estimated for 2026-08-06. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does PRTA stock move after earnings? expand_more

Over 54 reports, PRTA has moved an average of ±3.86% the session after earnings, closing higher 46.3% of the time.

What was PRTA's biggest post-earnings move? expand_more

PRTA's largest post-earnings gain on record was +12.02% on May 04, 2023, and its largest decline was -8.27% on Aug 08, 2022.

Where can I find PROTHENA CORP PUBLIC LTD CO's SEC filings? expand_more

All of PROTHENA CORP PUBLIC LTD CO's SEC filings — 10-K, 10-Q, 8-K and more — are listed in the SEC filings section on this page, each linking to the original document on SEC.gov.