PROTHENA CORP PUBLIC LTD CO (PRTA)

Typically moves ±3.83% on earnings

EARNINGS ANALYTICS

event_upcoming Est. Next Earnings: 2026-11-09 ESTIMATED

PROTHENA CORP PUBLIC LTD CO (PRTA) has a 55-report earnings history dating back to Mar 28, 2013. Its average absolute post-earnings move is ±3.83%, and 47.3% 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 2026-11-09 (estimated).

Earnings reactions

How PRTA moved on each past earnings report.

Up Down

Earnings Impact

Total Earnings

Avg Abs. Movement

±3.83%

Positive %

47.3%

Negative %

52.7%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Aug 06, 2026	☽ POST	+2.1%	open_in_new
May 07, 2026	☽ POST	+2.63%	open_in_new
Feb 19, 2026	☽ POST	-0.11%	open_in_new
Nov 06, 2025	☽ POST	+4.76%	open_in_new
Aug 04, 2025	☽ POST	+1.3%	open_in_new
May 08, 2025	☽ POST	+4.65%	open_in_new
Feb 20, 2025	☽ POST	+2.03%	open_in_new
Nov 12, 2024	☽ POST	-0.75%	open_in_new
Aug 08, 2024	☽ POST	+4.42%	open_in_new
May 08, 2024	☽ POST	-4.47%	open_in_new
Feb 15, 2024	☽ POST	-1.75%	open_in_new
Nov 02, 2023	☽ POST	+7.41%	open_in_new
Aug 03, 2023	☽ POST	-7.3%	open_in_new
May 04, 2023	☽ POST	+12.02%	open_in_new
Feb 23, 2023	☽ POST	+7.11%	open_in_new
Nov 03, 2022	☽ POST	-5.43%	open_in_new
Aug 08, 2022	☽ POST	-8.27%	open_in_new
May 05, 2022	☽ POST	+2.65%	open_in_new
Feb 17, 2022	☽ POST	-3.96%	open_in_new
Nov 04, 2021	☽ POST	+4.45%	open_in_new
Aug 05, 2021	☽ POST	+2.65%	open_in_new
May 11, 2021	☽ POST	-4.88%	open_in_new
Feb 11, 2021	☀ PRE	-0.19%	open_in_new
Nov 04, 2020	☽ POST	-1.51%	open_in_new
Aug 06, 2020	☽ POST	-1.47%	open_in_new
May 06, 2020	☽ POST	-5.96%	open_in_new
Feb 12, 2020	☽ POST	-4.37%	open_in_new
Nov 05, 2019	☽ POST	-4.23%	open_in_new
Aug 06, 2019	☽ POST	-2.39%	open_in_new
May 07, 2019	☽ POST	+4.84%	open_in_new
Feb 14, 2019	☽ POST	+3.14%	open_in_new
Nov 06, 2018	☽ POST	+1.64%	open_in_new
Aug 07, 2018	☽ POST	-0.91%	open_in_new
May 08, 2018	☽ POST	-4.84%	open_in_new
Feb 14, 2018	☽ POST	+3.75%	open_in_new
Nov 07, 2017	☽ POST	-7.75%	open_in_new
Aug 08, 2017	☽ POST	-4.43%	open_in_new
May 09, 2017	☽ POST	+7.29%	open_in_new
Feb 14, 2017	☽ POST	+1.59%	open_in_new
Nov 01, 2016	☽ POST	-5.84%	open_in_new
Aug 02, 2016	☽ POST	+4.78%	open_in_new
May 03, 2016	☽ POST	-7.15%	open_in_new
Feb 18, 2016	☽ POST	+8.87%	open_in_new
Nov 02, 2015	☽ POST	+3.8%	open_in_new
Aug 04, 2015	☽ POST	-2.11%	open_in_new
May 05, 2015	☽ POST	-1.14%	open_in_new
Mar 05, 2015	☽ POST	-1.73%	open_in_new
Nov 03, 2014	☽ POST	-7.08%	open_in_new
Aug 04, 2014	☽ POST	+3.07%	open_in_new
May 05, 2014	☽ POST	-0.18%	open_in_new
Mar 06, 2014	☽ POST	+0.32%	open_in_new
Nov 12, 2013	☽ POST	+5.99%	open_in_new
Aug 12, 2013	☽ POST	-1.6%	open_in_new
May 14, 2013	☽ POST	-1.08%	open_in_new
Mar 28, 2013	☽ POST	+0.52%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±3.83%

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
4	20260903	open_in_new SEC.gov
4	20260821	open_in_new SEC.gov
SCHEDULE 13G/A	20260819	open_in_new SEC.gov
3	20260818	open_in_new SEC.gov
4	20260818	open_in_new SEC.gov
SCHEDULE 13G/A	20260814	open_in_new SEC.gov
3	20260811	open_in_new SEC.gov
4	20260811	open_in_new SEC.gov
4	20260810	open_in_new SEC.gov
10-Q	20260806	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 2026-11-09. 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 55 reports, PRTA has moved an average of ±3.83% the session after earnings, closing higher 47.3% 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.