Historical Stock Price
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Video: Compound Annual Growth Rate (CAGR) Definition
Date Open High Low Close Volume
06/01/2026 $4.42 $5.42 $4.39 $5.15 6.15M
06/02/2026 $5.10 $5.38 $4.91 $5.02 3.42M
06/03/2026 $5.00 $5.33 $4.51 $5.33 6.65M
06/04/2026 $5.17 $6.10 $5.00 $5.88 9.04M
06/05/2026 $5.79 $6.02 $5.10 $5.18 6.28M
Amplitech Group designs, engineers and assembles micro-wave component-based amplifiers. Co.'s products consist of radio frequency amplifiers and related subsystems, operating at multiple frequencies from 50 kilohertz to 44 gigahertz, including low noise amplifiers, medium power amplifiers, cryogenic amplifiers, and custom assembly designs for the global satellite communications, telecom (5G and Internet of Things), space, defense, and quantum computing markets. Co. provides non-recurring engineering services on a project-by-project basis, for a predetermined fixed contractual amount, or on a time plus material basis.
AMPG historical stock prices picture
AmpliTech Group (AMPG) has the following price history information. Looking back at AMPG historical stock prices for the last five trading days, on June 01, 2026, AMPG opened at $4.42, traded as high as $5.42 and as low as $4.39, and closed at $5.15. Trading volume was a total of 6.15M shares. On June 02, 2026, AMPG opened at $5.10, traded as high as $5.38 and as low as $4.91, and closed at $5.02. Trading volume was a total of 3.42M shares. On June 03, 2026, AMPG opened at $5.00, traded as high as $5.33 and as low as $4.51, and closed at $5.33. Trading volume was a total of 6.65M shares. On June 04, 2026, AMPG opened at $5.17, traded as high as $6.10 and as low as $5.00, and closed at $5.88. Trading volume was a total of 9.04M shares. On June 05, 2026, AMPG opened at $5.79, traded as high as $6.02 and as low as $5.10, and closed at $5.18. Trading volume was a total of 6.28M shares.

AMPG Historical Stock Prices By Date:

AMPG historical cagr picture

Below, we examine the compound annual growth rate — CAGR for short — of an investment into AmpliTech Group shares, starting with a $10,000 purchase of AMPG, and working forward through the historical stock price information to today.

Growth of $10,000.00
Without Dividends Reinvested

Start date: 01/11/2021
End date: 06/05/2026
Start price/share: $9.20
End price/share: $5.18
Dividends collected/share: $0.00
Total return: -43.70%
Average Annual Total Return: -10.10%
Starting investment: $10,000.00
Ending investment: $5,628.97
Years: 5.40
Date Close
06/01/2026$5.15
06/02/2026$5.02
06/03/2026$5.33
06/04/2026$5.88
06/05/2026$5.18
AMPG is categorized under the Technology sector; below are some other companies in the same sector:

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Also explore: AMPG shares outstanding history

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