Historical Stock Price
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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.
ALT historical stock prices picture
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:

ALT historical cagr picture

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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Also explore: ALT shares outstanding history

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