Protagonist Therapeutics, Inc (PTGX)

Typically moves ±6.58% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-11-06 APPROXIMATE

Protagonist Therapeutics, Inc (PTGX) has a 40-report earnings history dating back to Nov 14, 2016. Its average absolute post-earnings move is ±6.58%, and 57.5% of those reactions were positive. Its largest post-earnings gain was +83.7% (May 07, 2020) and its largest decline was -22.38% (May 09, 2018). The next earnings report is predicted for 2026-11-06 (approximate).

Earnings reactions

How PTGX moved on each past earnings report.

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Earnings Impact

Total Earnings

Avg Abs. Movement

±6.58%

Positive %

57.5%

Negative %

42.5%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Aug 05, 2026	☽ POST	+6.38%	open_in_new
May 05, 2026	☽ POST	+4.88%	open_in_new
Feb 25, 2026	☽ POST	+1.48%	open_in_new
Nov 06, 2025	☽ POST	-0.3%	open_in_new
Aug 06, 2025	☽ POST	-5.39%	open_in_new
May 06, 2025	☽ POST	+2.57%	open_in_new
Feb 21, 2025	☀ PRE	+0.68%	open_in_new
Nov 07, 2024	☽ POST	-2.9%	open_in_new
Aug 06, 2024	☀ PRE	+1.17%	open_in_new
May 07, 2024	☽ POST	+5.12%	open_in_new
Feb 27, 2024	☽ POST	+2.84%	open_in_new
Nov 02, 2023	☽ POST	+8.05%	open_in_new
Aug 03, 2023	☽ POST	+3.28%	open_in_new
May 04, 2023	☽ POST	+5.13%	open_in_new
Mar 15, 2023	☽ POST	-3.74%	open_in_new
Nov 08, 2022	☽ POST	-0.39%	open_in_new
Aug 04, 2022	☽ POST	-2.13%	open_in_new
May 04, 2022	☽ POST	-0.2%	open_in_new
Feb 28, 2022	☽ POST	+8.11%	open_in_new
Nov 03, 2021	☽ POST	+2.82%	open_in_new
Aug 04, 2021	☽ POST	-1.61%	open_in_new
May 04, 2021	☽ POST	-0.85%	open_in_new
Mar 10, 2021	☽ POST	+4.09%	open_in_new
Nov 04, 2020	☽ POST	+8.62%	open_in_new
Aug 06, 2020	☽ POST	+9.18%	open_in_new
May 07, 2020	☽ POST	+83.7%	open_in_new
Mar 10, 2020	☽ POST	-6.16%	open_in_new
Nov 06, 2019	☽ POST	-14.4%	open_in_new
Aug 07, 2019	☀ PRE	+2.17%	open_in_new
May 08, 2019	☀ PRE	+6.24%	open_in_new
Mar 12, 2019	☽ POST	-1.46%	open_in_new
Nov 06, 2018	☽ POST	+4.14%	open_in_new
Aug 07, 2018	☽ POST	-0.64%	open_in_new
May 09, 2018	☽ POST	-22.38%	open_in_new
Mar 07, 2018	☽ POST	-3.16%	open_in_new
Nov 06, 2017	☽ POST	+8.57%	open_in_new
Aug 08, 2017	☽ POST	-8.69%	open_in_new
May 10, 2017	☽ POST	+7.67%	open_in_new
Mar 07, 2017	☽ POST	+0.89%	open_in_new
Nov 14, 2016	☽ POST	-1.08%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±6.58%

Avg % price change on earnings

description

SEC Filings

View

Browse all SEC filings

account_balance

Institutional ownership

Holdings as of Jun 30, 2026 · SEC 13-F

View all 29 →

Funds holding

$3710477824

Total value held

Buying

22 added · 6 reduced

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$300220852 Held

SEC Filing Types

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
4	20260908	open_in_new SEC.gov
SCHEDULE 13G/A	20260813	open_in_new SEC.gov
4	20260812	open_in_new SEC.gov
144	20260810	open_in_new SEC.gov
SCHEDULE 13G	20260807	open_in_new SEC.gov
10-Q	20260805	open_in_new SEC.gov
8-K	20260805	open_in_new SEC.gov
S-8 POS	20260805	open_in_new SEC.gov
S-8 POS	20260805	open_in_new SEC.gov
S-8 POS	20260805	open_in_new SEC.gov

Frequently asked about PTGX earnings

When does Protagonist Therapeutics, Inc report earnings next? expand_more

Protagonist Therapeutics, Inc (PTGX)'s next earnings date is approximate for 2026-11-06. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does PTGX stock move after earnings? expand_more

Over 40 reports, PTGX has moved an average of ±6.58% the session after earnings, closing higher 57.5% of the time.

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

PTGX's largest post-earnings gain on record was +83.7% on May 07, 2020, and its largest decline was -22.38% on May 09, 2018.

Where can I find Protagonist Therapeutics, Inc's SEC filings? expand_more

All of Protagonist Therapeutics, Inc'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.