Companies: 10,795·Total market cap: $144.5T
Altimmune, Inc.

Altimmune, Inc.

ALTNASDAQHealthcare● Active
$2.69
$-0.02(-0.74%)
Market Cap$237412137
P/E Ratio—
52W High$7.73
52W Low$2.56
Overview

Altimmune, Inc. (ALT) Stock Splits

Forward and reverse split history, cumulative multiple, latest ratio, and share calculator on this tab.

FMP · ALT · as of Jun 8, 2026

Key split metrics

Total Splits2Since IPO (May 26, 2017)
Most Recent SplitSep 14, 2018Reverse · 1-for-30
Cumulative Multiple×0.33331 share (2017) → 0.3333 shares today

Latest Split Event

Reverse Split
Sep 14, 2018
BEFORE SPLIT$0.2600Closing price · Sep 13, 2018
1-for-30
AFTER SPLIT$7.30Opening price · Sep 14, 2018
Every 30 shares were consolidated into 1 share.·Total market cap unchanged.·Source: FMP · Historical EOD

Stock Split History

ALT · 2 records
Date↓RatioTypeMultiple↕Cumulative↕
Sep 14, 20181-for-30Reverse×0.033×0.333
May 5, 201710-for-1Forward×10×10
2 splits since IPO · May 26, 2017Data: Financial Modeling Prep · Updated daily

Stock Split Calculator

If you bought 100 shares purchased of ALT on Jan 1, 2020 — — how many shares would you hold today after all splits?

ORIGINAL SHARES100
→
SHARES TODAY100
Splits Applied0
Total Multiplier×1.00
Split Period—
Splits applied:No splits occurred after this date
Based on purchase date Jan 1, 2020Share count only · excludes price / dividendsSource: FMP

This calculator shows how stock splits affected share count only. It does not reflect current market value, dividend payments, or transaction costs. Past splits do not guarantee future performance.

About reverse stock split history

Altimmune, Inc. (ALT) has undergone 2 reverse stock splits. The most recent was a 1-for-30 reverse split on Sep 14, 2018. Reverse splits consolidate shares to increase the per-share price.

Price historyShares outstandingFinancialsEarningsMarket capForecast

Frequently asked questions

Altimmune, Inc. (ALT) has undergone 2 reverse stock splits. Reverse splits consolidate shares, reducing share count while increasing the per-share price.

ALT reverse stock split historyhow many reverse splits for ALTALT stock split countcumulative split multiple
Data: Financial Modeling Prep · Updated daily · For informational purposes only, not investment advice.