Altimmune, Inc. (ALT)

Typically moves ±7.32% on earnings

EARNINGS ANALYTICS

event_note Approx. Next Earnings: ~2026-11-09 APPROXIMATE

Across 22 earnings reports since May 17, 2021, Altimmune, Inc. (ALT) has a clear post-earnings pattern. It moves ±7.32% on average after reporting and finishes higher 77.3% of the time. Its largest post-earnings gain was +29.12% (Nov 12, 2024) and its largest decline was -17.92% (Mar 05, 2026). The next earnings report is predicted for 2026-11-09 (approximate).

Earnings reactions

How ALT moved on each past earnings report.

Up Down

Earnings Impact

Total Earnings

Avg Abs. Movement

±7.32%

Positive %

77.3%

Negative %

22.7%

Historical Earnings Statistics

Date	Timing	Earnings move	SEC Filing
Aug 12, 2026	☀ PRE	-2.99%	open_in_new
May 13, 2026	☀ PRE	-1.63%	open_in_new
Mar 05, 2026	☀ PRE	-17.92%	open_in_new
Nov 06, 2025	☀ PRE	+5.07%	open_in_new
Aug 12, 2025	☀ PRE	+7.1%	open_in_new
May 13, 2025	☀ PRE	-4.16%	open_in_new
Feb 27, 2025	☀ PRE	+8.08%	open_in_new
Nov 12, 2024	☀ PRE	+29.12%	open_in_new
Aug 08, 2024	☀ PRE	+15.09%	open_in_new
May 09, 2024	☀ PRE	+7.82%	open_in_new
Mar 27, 2024	☀ PRE	+2.77%	open_in_new
Nov 07, 2023	☀ PRE	+1.12%	open_in_new
Aug 10, 2023	☀ PRE	+3.05%	open_in_new
May 11, 2023	☀ PRE	+7.03%	open_in_new
Feb 28, 2023	☀ PRE	+6.42%	open_in_new
Nov 10, 2022	☀ PRE	+9.18%	open_in_new
Aug 11, 2022	☀ PRE	+7.08%	open_in_new
May 12, 2022	☀ PRE	+8.63%	open_in_new
Mar 15, 2022	☀ PRE	-8.24%	open_in_new
Nov 09, 2021	☽ POST	+0%	open_in_new
Aug 10, 2021	☽ POST	+2.48%	open_in_new
May 17, 2021	☀ PRE	+5.98%	open_in_new

event

Earnings Count

Total earnings in dataset

trending_up

Avg Abs. Movement

±7.32%

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 23 →

Funds holding

$124981348

Total value held

Buying

19 added · 4 reduced

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SEC Filing Types

Recent SEC Filings

10 most recent

Form	Date Filed	View on EDGAR
4	20260813	open_in_new SEC.gov
10-Q	20260812	open_in_new SEC.gov
8-K	20260812	open_in_new SEC.gov
4	20260803	open_in_new SEC.gov
4	20260803	open_in_new SEC.gov
8-K	20260728	open_in_new SEC.gov
8-K	20260616	open_in_new SEC.gov
SCHEDULE 13G/A	20260515	open_in_new SEC.gov
10-Q	20260513	open_in_new SEC.gov
8-K	20260513	open_in_new SEC.gov

Frequently asked about ALT earnings

When does Altimmune, Inc. report earnings next? expand_more

Altimmune, Inc. (ALT)'s next earnings date is approximate for 2026-11-09. This is a prediction based on its historical quarterly reporting pattern, not a company-confirmed date.

How much does ALT stock move after earnings? expand_more

Over 22 reports, ALT has moved an average of ±7.32% the session after earnings, closing higher 77.3% of the time.

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

ALT's largest post-earnings gain on record was +29.12% on Nov 12, 2024, and its largest decline was -17.92% on Mar 05, 2026.

Where can I find Altimmune, Inc.'s SEC filings? expand_more

All of Altimmune, 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.