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| Latest Insider Trading | Top Insider Trading Recent Week | Top 10% Owner Trading Recent Week | Filter
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| Ticker | Owner | Relationship | Date | Transaction | Cost  |
#Shares | Value ($) | #Shares Total | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|---|
| AMPH | Lee Howard | Director | Jun 01 '23 | Option Exercise | 16.69 | 16,679 | 278,373 | 159,618 | Jun 05 04:18 PM |
| AMPH | Lee Howard | Director | Jun 01 '23 | Sale | 45.02 | 16,679 | 750,960 | 142,939 | Jun 05 04:18 PM |
| AMPH | Lee Howard | Director | Jun 06 '22 | Option Exercise | 17.11 | 10,291 | 176,079 | 149,067 | Jun 07 07:36 PM |
| AMPH | Lee Howard | Director | Jun 06 '22 | Sale | 37.79 | 10,291 | 388,859 | 138,776 | Jun 07 07:36 PM |
| AMPH | Lee Howard | Director | May 23 '22 | Option Exercise | 17.11 | 10,000 | 171,100 | 148,776 | May 25 08:21 PM |
| AMPH | Lee Howard | Director | May 23 '22 | Sale | 34.93 | 10,000 | 349,323 | 138,776 | May 25 08:21 PM |
| AMPH | Lee Howard | Director | Jun 07 '21 | Option Exercise | 16.43 | 7,827 | 128,598 | 140,741 | Jun 08 08:56 PM |
| AMPH | Lee Howard | Director | Jun 08 '21 | Option Exercise | 16.43 | 8,000 | 131,440 | 146,933 | Jun 08 08:56 PM |
| AMPH | Lee Howard | Director | Jun 08 '21 | Sale | 19.31 | 8,000 | 154,508 | 138,933 | Jun 08 08:56 PM |
| AMPH | Lee Howard | Director | Jun 07 '21 | Sale | 19.28 | 7,827 | 150,941 | 132,914 | Jun 08 08:56 PM |
| AMPH | Lee Howard | Director | May 20 '21 | Option Exercise | 16.43 | 10,000 | 164,300 | 142,914 | May 24 04:45 PM |
| AMPH | Lee Howard | Director | May 20 '21 | Sale | 19.74 | 10,000 | 197,354 | 132,914 | May 24 04:45 PM |
| AMPH | Lee Howard | Director | May 22 '20 | Option Exercise | 15.11 | 10,000 | 151,100 | 138,081 | May 27 05:02 PM |
| AMPH | Lee Howard | Director | May 26 '20 | Option Exercise | 15.11 | 10,000 | 151,100 | 138,081 | May 27 05:02 PM |
| AMPH | Lee Howard | Director | May 26 '20 | Sale | 18.60 | 10,000 | 185,989 | 128,081 | May 27 05:02 PM |
| AMPH | Lee Howard | Director | May 22 '20 | Sale | 18.36 | 10,000 | 183,639 | 128,081 | May 27 05:02 PM |
| AMPH | Lee Howard | Director | May 21 '20 | Option Exercise | 15.11 | 10,000 | 151,100 | 138,081 | May 22 04:05 PM |
| AMPH | Lee Howard | Director | May 20 '20 | Option Exercise | 15.11 | 17,782 | 268,686 | 145,863 | May 22 04:05 PM |
| AMPH | Lee Howard | Director | May 20 '20 | Sale | 18.43 | 17,782 | 327,779 | 128,081 | May 22 04:05 PM |
| AMPH | Lee Howard | Director | May 21 '20 | Sale | 18.47 | 10,000 | 184,687 | 128,081 | May 22 04:05 PM |
| AMPH | Lee Howard | Director | Dec 06 '18 | Option Exercise | 14.66 | 10,000 | 146,600 | 133,381 | Dec 07 06:36 PM |
| AMPH | Lee Howard | Director | Dec 07 '18 | Option Exercise | 14.66 | 9,278 | 136,015 | 132,659 | Dec 07 06:36 PM |
| AMPH | Lee Howard | Director | Dec 04 '18 | Option Exercise | 14.66 | 10,000 | 146,600 | 133,381 | Dec 07 06:36 PM |
| AMPH | Lee Howard | Director | Dec 04 '18 | Sale | 21.92 | 10,000 | 219,158 | 123,381 | Dec 07 06:36 PM |
| AMPH | Lee Howard | Director | Dec 07 '18 | Sale | 21.89 | 9,278 | 203,064 | 123,381 | Dec 07 06:36 PM |
| AMPH | Lee Howard | Director | Dec 06 '18 | Sale | 21.22 | 10,000 | 212,242 | 123,381 | Dec 07 06:36 PM |
| AMPH | Lee Howard | Director | Nov 15 '16 | Option Exercise | 14.23 | 17,994 | 256,055 | 132,521 | Nov 16 04:30 PM |
| AMPH | Lee Howard | Director | Nov 14 '16 | Option Exercise | 14.23 | 20,000 | 284,600 | 134,527 | Nov 16 04:30 PM |
| AMPH | Lee Howard | Director | Nov 14 '16 | Sale | 20.56 | 20,000 | 411,170 | 114,527 | Nov 16 04:30 PM |
| AMPH | Lee Howard | Director | Nov 15 '16 | Sale | 20.76 | 17,994 | 373,510 | 114,527 | Nov 16 04:30 PM |
| AMPH | Lee Howard | Director | Sep 01 '16 | Option Exercise | 15.23 | 10,381 | 158,103 | 125 | Sep 02 07:05 PM |
| AMPH | Lee Howard | Director | Sep 01 '16 | Sale | 18.78 | 10,381 | 194,917 | 114,527 | Sep 02 07:05 PM |
| AMPH | Lee Howard | Director | Dec 15 '15 | Option Exercise | 11.68 | 36,536 | 426,740 | 146,437 | Dec 17 07:20 PM |
| AMPH | Lee Howard | Director | Dec 16 '15 | Option Exercise | 11.68 | 1,926 | 22,496 | 111,827 | Dec 17 07:20 PM |
| AMPH | Lee Howard | Director | Dec 16 '15 | Sale | 14.33 | 1,926 | 27,600 | 109,901 | Dec 17 07:20 PM |
| AMPH | Lee Howard | Director | Dec 15 '15 | Sale | 14.34 | 36,536 | 523,999 | 109,901 | Dec 17 07:20 PM |
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