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Video: Compound Annual Growth Rate (CAGR) Definition
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 |
| Date |
Open |
High |
Low |
Close |
Volume |
| 03/02/2026 |
$4.24 |
$4.27 |
$4.15 |
$4.16 |
2.39M | | 03/03/2026 |
$4.05 |
$4.26 |
$4.04 |
$4.16 |
2.86M | | 03/04/2026 |
$4.19 |
$4.35 |
$4.13 |
$4.27 |
2.27M | | 03/05/2026 |
$4.10 |
$4.20 |
$3.50 |
$3.50 |
7.71M | | 03/06/2026 |
$3.54 |
$3.75 |
$3.42 |
$3.54 |
5.38M |
 |
| Altimmune, Inc. is a clinical-stage biopharmaceutical company focused on developing treatments for obesity and liver diseases. Co.'s lead product candidate, pemvidutide, is a GLP-1/glucagon dual receptor agonist that is being developed for the treatment of obesity and metabolic dysfunction-associated steatohepatitis (MASH). Co. has completed the MOMENTUM Phase II obesity trial and is being studied in the IMPACT Phase IIb MASH trial. It is also developing HepTcell, an immunotherapeutic product candidate for patients chronically infected with the hepatitis B virus (HBV). Co. has completed the enrollment in its Phase II clinical trial of HepTcell. | |
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Altimmune (ALT) has the following price history information. Looking back at ALT historical stock prices for the last five trading days, on March 02, 2026, ALT opened at $4.24, traded as high as $4.27 and as low as $4.15, and closed at $4.16. Trading volume was a total of 2.39M shares. On March 03, 2026, ALT opened at $4.05, traded as high as $4.26 and as low as $4.04, and closed at $4.16. Trading volume was a total of 2.86M shares. On March 04, 2026, ALT opened at $4.19, traded as high as $4.35 and as low as $4.13, and closed at $4.27. Trading volume was a total of 2.27M shares. On March 05, 2026, ALT opened at $4.10, traded as high as $4.20 and as low as $3.50, and closed at $3.50. Trading volume was a total of 7.71M shares. On March 06, 2026, ALT opened at $3.54, traded as high as $3.75 and as low as $3.42, and closed at $3.54. Trading volume was a total of 5.38M shares.
ALT Historical Stock Prices By Date:

Below, we examine the compound annual growth rate — CAGR for short — of an investment into Altimmune shares, starting with a $10,000 purchase of ALT, and working forward through the historical stock price information to today.
Growth of $10,000.00
Without Dividends Reinvested
|
| Start date: |
05/30/2017 |
|
| End date: |
03/06/2026 |
|
| Start price/share: |
$125.10 |
|
| End price/share: |
$3.54 |
|
| Dividends collected/share: |
$0.00 |
|
| Total return: |
-97.17% |
|
| Average Annual Total Return: |
-33.39% |
|
| Starting investment: |
$10,000.00 |
|
| Ending investment: |
$283.13 |
|
| Years: |
8.77 |
|
|
 |
| Date |
Close |
| 03/02/2026 | $4.16 | | 03/03/2026 | $4.16 | | 03/04/2026 | $4.27 | | 03/05/2026 | $3.50 | | 03/06/2026 | $3.54 |
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