AmpliTech Group Inc. (AMPG)
NASDAQ: AMPG
· Real-Time Price · USD
4.05
0.23 (6.02%)
At close: Sep 12, 2025, 3:59 PM
4.07
0.50%
After-hours: Sep 12, 2025, 07:57 PM EDT
AMPG Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 12, 2025 | 3.85 | 4.16 | 3.78 | 4.05 | 4.05 | 6.02% | 618,547 |
| Sep 11, 2025 | 3.84 | 4.03 | 3.76 | 3.82 | 3.82 | -0.78% | 371,400 |
| Sep 10, 2025 | 4.05 | 4.15 | 3.85 | 3.85 | 3.85 | -5.87% | 350,905 |
| Sep 9, 2025 | 3.80 | 4.15 | 3.75 | 4.09 | 4.09 | 7.35% | 403,902 |
| Sep 8, 2025 | 3.87 | 3.89 | 3.70 | 3.81 | 3.81 | -0.26% | 397,048 |
| Sep 5, 2025 | 4.26 | 4.26 | 3.82 | 3.82 | 3.82 | -10.33% | 787,146 |
| Sep 4, 2025 | 3.92 | 4.27 | 3.81 | 4.26 | 4.26 | 7.30% | 815,200 |
| Sep 3, 2025 | 4.19 | 4.29 | 3.94 | 3.97 | 3.97 | -2.46% | 1,591,700 |
| Sep 2, 2025 | 3.78 | 4.09 | 3.61 | 4.07 | 4.07 | 7.11% | 1,359,100 |
| Aug 29, 2025 | 3.63 | 3.90 | 3.42 | 3.80 | 3.80 | 11.11% | 3,054,508 |
| Aug 28, 2025 | 3.08 | 3.55 | 3.07 | 3.42 | 3.42 | 11.76% | 1,677,400 |
| Aug 27, 2025 | 3.10 | 3.18 | 3.05 | 3.06 | 3.06 | -3.77% | 276,066 |
| Aug 26, 2025 | 3.18 | 3.33 | 3.12 | 3.18 | 3.18 | 0.63% | 430,343 |
| Aug 25, 2025 | 3.21 | 3.30 | 3.08 | 3.16 | 3.16 | -1.56% | 432,853 |
| Aug 22, 2025 | 3.01 | 3.30 | 3.01 | 3.21 | 3.21 | 4.22% | 623,217 |
| Aug 21, 2025 | 2.96 | 3.14 | 2.96 | 3.08 | 3.08 | 2.33% | 243,134 |
| Aug 20, 2025 | 2.95 | 3.05 | 2.84 | 3.01 | 3.01 | 1.69% | 393,800 |
| Aug 19, 2025 | 3.16 | 3.30 | 2.96 | 2.96 | 2.96 | -6.03% | 614,300 |
| Aug 18, 2025 | 3.09 | 3.19 | 2.94 | 3.15 | 3.15 | 1.61% | 785,235 |
| Aug 15, 2025 | 3.50 | 3.60 | 3.00 | 3.10 | 3.10 | -12.68% | 2,230,216 |