AmpliTech Group, Inc. (AMPG)
NASDAQ: AMPG · Real-Time Price · USD
3.360
-0.380 (-10.16%)
At close: Aug 28, 2026, 4:00 PM EDT
3.389
+0.029 (0.85%)
After-hours: Aug 28, 2026, 7:58 PM EDT
AmpliTech Group Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 28, 2026 | 3.67 | 3.70 | 3.36 | 3.36 | 3.36 | -10.16% | 2,029,910 |
| Aug 27, 2026 | 3.68 | 3.84 | 3.58 | 3.74 | 3.74 | 5.35% | 3,439,693 |
| Aug 26, 2026 | 3.54 | 3.62 | 3.51 | 3.55 | 3.55 | -1.93% | 563,121 |
| Aug 25, 2026 | 3.50 | 3.77 | 3.50 | 3.62 | 3.62 | 4.93% | 2,094,804 |
| Aug 24, 2026 | 3.48 | 3.55 | 3.40 | 3.45 | 3.45 | -0.29% | 931,350 |
| Aug 21, 2026 | 3.50 | 3.56 | 3.41 | 3.46 | 3.46 | 0.58% | 1,472,512 |
| Aug 20, 2026 | 3.54 | 3.60 | 3.37 | 3.44 | 3.44 | -3.64% | 1,450,669 |
| Aug 19, 2026 | 3.56 | 3.59 | 3.42 | 3.57 | 3.57 | 1.13% | 2,274,582 |
| Aug 18, 2026 | 3.58 | 3.72 | 3.51 | 3.53 | 3.53 | -4.59% | 2,725,829 |
| Aug 17, 2026 | 4.09 | 4.15 | 3.66 | 3.70 | 3.70 | -7.38% | 5,302,528 |
| Aug 14, 2026 | 4.37 | 4.40 | 3.93 | 4.00 | 4.00 | -33.31% | 10,197,933 |
| Aug 13, 2026 | 6.27 | 6.50 | 5.88 | 5.99 | 5.99 | -6.55% | 3,334,476 |
| Aug 12, 2026 | 6.41 | 6.50 | 6.17 | 6.41 | 6.41 | 3.22% | 1,852,056 |
| Aug 11, 2026 | 5.96 | 6.30 | 5.81 | 6.21 | 6.21 | 9.14% | 2,240,838 |
| Aug 10, 2026 | 6.10 | 6.20 | 5.68 | 5.69 | 5.69 | -1.90% | 2,015,270 |
| Aug 7, 2026 | 5.65 | 5.87 | 5.51 | 5.80 | 5.80 | 6.81% | 1,729,465 |
| Aug 6, 2026 | 5.14 | 5.61 | 5.05 | 5.43 | 5.43 | 0.93% | 1,577,346 |
| Aug 5, 2026 | 5.42 | 5.55 | 5.14 | 5.38 | 5.38 | -2.71% | 1,235,646 |
| Aug 4, 2026 | 5.15 | 5.58 | 4.96 | 5.53 | 5.53 | 15.69% | 1,934,452 |
| Aug 3, 2026 | 4.55 | 4.81 | 4.34 | 4.78 | 4.78 | 2.80% | 1,410,629 |
| Jul 31, 2026 | 5.00 | 5.03 | 4.57 | 4.65 | 4.65 | -5.30% | 1,033,861 |
| Jul 30, 2026 | 4.80 | 5.07 | 4.50 | 4.91 | 4.91 | 6.51% | 2,168,508 |
| Jul 29, 2026 | 4.90 | 5.08 | 4.54 | 4.61 | 4.61 | -5.92% | 1,645,043 |
| Jul 28, 2026 | 4.89 | 5.05 | 4.60 | 4.90 | 4.90 | -3.16% | 2,106,516 |
| Jul 27, 2026 | 5.50 | 5.50 | 4.89 | 5.06 | 5.06 | -6.38% | 2,244,207 |
| Jul 24, 2026 | 6.22 | 6.25 | 5.38 | 5.41 | 5.41 | -14.75% | 2,635,472 |
| Jul 23, 2026 | 6.43 | 6.68 | 6.10 | 6.34 | 6.34 | -2.01% | 1,483,061 |
| Jul 22, 2026 | 5.95 | 6.99 | 5.95 | 6.47 | 6.47 | 6.24% | 2,558,374 |
| Jul 21, 2026 | 6.30 | 6.60 | 5.94 | 6.09 | 6.09 | -2.09% | 1,924,648 |
| Jul 20, 2026 | 6.40 | 6.50 | 5.45 | 6.22 | 6.22 | -6.33% | 3,724,605 |
| Jul 17, 2026 | 6.25 | 7.21 | 6.24 | 6.64 | 6.64 | 3.43% | 2,262,012 |
| Jul 16, 2026 | 6.62 | 6.62 | 6.25 | 6.42 | 6.42 | -2.87% | 1,571,564 |
| Jul 15, 2026 | 7.43 | 7.65 | 6.40 | 6.61 | 6.61 | -5.97% | 2,863,150 |
| Jul 14, 2026 | 6.42 | 7.19 | 6.42 | 7.03 | 7.03 | 10.36% | 3,169,580 |
| Jul 13, 2026 | 6.52 | 6.79 | 5.97 | 6.37 | 6.37 | -4.78% | 2,514,447 |
| Jul 10, 2026 | 6.57 | 6.80 | 6.22 | 6.69 | 6.69 | 1.98% | 1,500,429 |
| Jul 9, 2026 | 6.67 | 6.80 | 6.23 | 6.56 | 6.56 | -0.30% | 1,771,213 |
| Jul 8, 2026 | 6.09 | 6.87 | 6.09 | 6.58 | 6.58 | 5.28% | 3,077,295 |
| Jul 7, 2026 | 6.62 | 7.16 | 6.02 | 6.25 | 6.25 | 5.57% | 11,107,902 |
| Jul 6, 2026 | 6.14 | 6.32 | 5.68 | 5.92 | 5.92 | -1.17% | 2,304,094 |
| Jul 2, 2026 | 7.05 | 7.16 | 5.94 | 5.99 | 5.99 | -15.63% | 2,817,243 |
| Jul 1, 2026 | 6.88 | 7.69 | 6.73 | 7.10 | 7.10 | 2.01% | 2,077,278 |
| Jun 30, 2026 | 7.09 | 7.44 | 6.56 | 6.96 | 6.96 | -1.00% | 2,331,429 |
| Jun 29, 2026 | 6.80 | 7.28 | 6.39 | 7.03 | 7.03 | 7.33% | 2,179,091 |
| Jun 26, 2026 | 6.69 | 6.89 | 6.16 | 6.55 | 6.55 | -6.16% | 3,255,783 |
| Jun 25, 2026 | 7.14 | 7.32 | 6.70 | 6.98 | 6.98 | -1.27% | 2,043,387 |
| Jun 24, 2026 | 7.58 | 7.68 | 6.83 | 7.07 | 7.07 | -8.54% | 3,444,623 |
| Jun 23, 2026 | 7.86 | 8.21 | 7.31 | 7.73 | 7.73 | -8.52% | 4,090,329 |
| Jun 22, 2026 | 8.88 | 9.01 | 7.95 | 8.45 | 8.45 | -6.01% | 4,212,960 |
| Jun 18, 2026 | 9.81 | 10.10 | 8.73 | 8.99 | 8.99 | -7.32% | 4,243,742 |