Altimmune, Inc. (ALT)

Typically moves ±7.52% on earnings
EARNINGS ANALYTICS
event_note Approx. Next Earnings: ~2026-08-10 APPROXIMATE
search

Across 21 earnings reports since May 17, 2021, Altimmune, Inc. (ALT) has a clear post-earnings pattern. It moves ±7.52% on average after reporting and finishes higher 81.0% 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 2026-08-10 (approximate).

Earnings reactions

How ALT moved on each past earnings report.

Up Down

Earnings Impact

Total Earnings

21

Avg Abs. Movement

±7.52%

Positive %

81.0%

Negative %

19.0%

Historical Earnings Statistics

Date Timing Earnings move SEC Filing
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
event

Earnings Count

21

Total earnings in dataset

trending_up

Avg Abs. Movement

±7.52%

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 17 →
17
Funds holding
$75375305
Total value held
Buying
13 added · 4 reduced
Blackrock, Inc.
$39409453 +31.85%
State Street Corp
$22008294 +39.57%
Goldman Sachs Group Inc
$4159999 +0.10%
Northern Trust Corp
$3069900 +39.21%
Morgan Stanley
$2387794 -42.99%

SEC Filing Types

description 4
577 chevron_right
description 8-K
274 chevron_right
description 10-Q
62 chevron_right
description SC 13G/A
61 chevron_right
description 3
60 chevron_right
description SC 13G
45 chevron_right
description CORRESP
36 chevron_right
description UPLOAD
27 chevron_right

Recent SEC Filings

10 most recent
Form Date Filed View on EDGAR
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
S-8 20260513 open_in_new SEC.gov
4 20260501 open_in_new SEC.gov
4 20260501 open_in_new SEC.gov
4 20260501 open_in_new SEC.gov
4 20260501 open_in_new SEC.gov
4 20260501 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 2026-08-10. 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 21 reports, ALT has moved an average of ±7.52% the session after earnings, closing higher 81.0% 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.

Sector peers

Reporting around the same time