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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 | Petersen Floyd F. | Director | Apr 01 | Sale | 43.43 | 500 | 21,714 | 79,333 | Apr 02 09:31 PM |
| AMPH | Petersen Floyd F. | Director | Mar 01 | Sale | 45.69 | 500 | 22,847 | 79,833 | Mar 04 08:35 PM |
| AMPH | Petersen Floyd F. | Director | Feb 01 | Sale | 53.10 | 500 | 26,548 | 80,333 | Feb 02 07:37 PM |
| AMPH | Petersen Floyd F. | Director | Jan 02 | Sale | 61.37 | 500 | 30,683 | 80,833 | Jan 03 07:25 PM |
| AMPH | Petersen Floyd F. | Director | Dec 01 | Sale | 57.90 | 500 | 28,952 | 81,333 | Dec 04 08:49 PM |
| AMPH | Petersen Floyd F. | Director | Nov 01 | Sale | 45.30 | 500 | 22,651 | 81,833 | Nov 02 08:37 PM |
| AMPH | Petersen Floyd F. | Director | Oct 02 | Sale | 45.78 | 500 | 22,890 | 82,333 | Oct 03 06:38 PM |
| AMPH | Petersen Floyd F. | Director | May 17 | Sale | 43.13 | 5,000 | 215,655 | 80,117 | May 18 04:52 PM |
| AMPH | Petersen Floyd F. | Director | Apr 03 | Sale | 37.72 | 491 | 18,519 | 85,117 | Apr 04 07:12 PM |
| AMPH | Petersen Floyd F. | Director | Mar 01 | Sale | 36.70 | 500 | 18,349 | 85,608 | Mar 02 07:33 PM |
| AMPH | Petersen Floyd F. | Director | Feb 01 | Sale | 30.35 | 500 | 15,176 | 86,108 | Feb 02 04:44 PM |
| AMPH | Petersen Floyd F. | Director | Jan 03 | Sale | 27.94 | 500 | 13,971 | 86,608 | Jan 04 04:01 PM |
| AMPH | Petersen Floyd F. | Director | Dec 01 | Sale | 30.13 | 500 | 15,067 | 87,108 | Dec 02 04:24 PM |
| AMPH | Petersen Floyd F. | Director | Nov 01 | Sale | 31.13 | 500 | 15,565 | 87,608 | Nov 02 04:01 PM |
| AMPH | Petersen Floyd F. | Director | Oct 03 | Sale | 28.59 | 500 | 14,296 | 88,108 | Oct 04 07:12 PM |
| AMPH | Petersen Floyd F. | Director | Sep 01 | Sale | 29.44 | 500 | 14,722 | 88,608 | Sep 02 07:45 PM |
| AMPH | Petersen Floyd F. | Director | Aug 01 | Sale | 37.48 | 500 | 18,738 | 89,108 | Aug 02 05:02 PM |
| AMPH | Petersen Floyd F. | Director | Jul 01 | Sale | 34.78 | 500 | 17,391 | 89,608 | Jul 05 05:05 PM |
| AMPH | Petersen Floyd F. | Director | Jun 01 | Sale | 37.00 | 500 | 18,499 | 85,945 | Jun 02 05:14 PM |
| AMPH | Petersen Floyd F. | Director | May 18 | Option Exercise | 17.11 | 20,291 | 347,179 | 96,369 | May 19 05:58 PM |
| AMPH | Petersen Floyd F. | Director | May 18 | Sale | 35.05 | 9,924 | 347,826 | 86,445 | May 19 05:58 PM |
| AMPH | Petersen Floyd F. | Director | May 02 | Sale | 35.18 | 295 | 10,378 | 76,078 | May 03 08:15 PM |
| AMPH | Petersen Floyd F. | Director | Apr 01 | Sale | 36.69 | 500 | 18,345 | 76,373 | Apr 04 08:20 PM |
| AMPH | Petersen Floyd F. | Director | Mar 01 | Sale | 27.27 | 500 | 13,635 | 76,873 | Mar 01 06:54 PM |
| AMPH | Petersen Floyd F. | Director | Feb 01 | Sale | 24.08 | 500 | 12,041 | 77,373 | Feb 02 04:05 PM |
| AMPH | Petersen Floyd F. | Director | Jan 03 | Sale | 23.22 | 500 | 11,609 | 77,873 | Jan 04 04:54 PM |
| AMPH | Petersen Floyd F. | Director | Dec 22 | Sale | 22.50 | 1,000 | 22,503 | 78,373 | Dec 23 04:27 PM |
| AMPH | Petersen Floyd F. | Director | Jun 07 | Option Exercise | 16.43 | 15,827 | 260,038 | 89,181 | Jun 08 08:58 PM |
| AMPH | Petersen Floyd F. | Director | Jun 07 | Sale | 19.34 | 15,827 | 306,039 | 73,354 | Jun 08 08:58 PM |
| AMPH | Petersen Floyd F. | Director | Jun 03 | Option Exercise | 16.43 | 10,000 | 164,300 | 83,354 | Jun 04 07:35 PM |
| AMPH | Petersen Floyd F. | Director | Jun 03 | Sale | 18.65 | 10,000 | 186,527 | 73,354 | Jun 04 07:35 PM |
| AMPH | Petersen Floyd F. | Director | Feb 01 | Sale | 18.26 | 639 | 11,669 | 73,354 | Feb 02 04:16 PM |
| AMPH | Petersen Floyd F. | Director | Dec 01 | Sale | 17.87 | 500 | 8,936 | 73,993 | Dec 02 04:20 PM |
| AMPH | Petersen Floyd F. | Director | Nov 02 | Sale | 19.84 | 500 | 9,920 | 74,493 | Nov 03 04:05 PM |
| AMPH | Petersen Floyd F. | Director | Oct 01 | Sale | 18.89 | 500 | 9,446 | 74,993 | Oct 02 04:15 PM |
| AMPH | Petersen Floyd F. | Director | Sep 01 | Sale | 19.90 | 500 | 9,948 | 75,493 | Sep 02 05:27 PM |
| AMPH | Petersen Floyd F. | Director | Aug 03 | Sale | 20.62 | 500 | 10,308 | 75,993 | Aug 04 08:22 PM |
| AMPH | Petersen Floyd F. | Director | Jul 01 | Sale | 22.27 | 500 | 11,136 | 76,493 | Jul 02 07:36 PM |
| AMPH | Petersen Floyd F. | Director | Jun 01 | Sale | 18.97 | 500 | 9,483 | 71,142 | Jun 02 05:46 PM |
| AMPH | Petersen Floyd F. | Director | May 15 | Option Exercise | 15.11 | 42,682 | 644,925 | 114,324 | May 18 04:31 PM |
| AMPH | Petersen Floyd F. | Director | May 14 | Option Exercise | 15.11 | 5,000 | 75,550 | 76,642 | May 18 04:31 PM |
| AMPH | Petersen Floyd F. | Director | May 14 | Sale | 17.78 | 5,000 | 88,876 | 71,642 | May 18 04:31 PM |
| AMPH | Petersen Floyd F. | Director | May 15 | Sale | 18.25 | 42,682 | 778,968 | 71,642 | May 18 04:31 PM |
| AMPH | Petersen Floyd F. | Director | May 12 | Option Exercise | 15.11 | 100 | 1,511 | 71,742 | May 14 04:15 PM |
| AMPH | Petersen Floyd F. | Director | May 12 | Sale | 19.20 | 100 | 1,920 | 71,642 | May 14 04:15 PM |
| AMPH | Petersen Floyd F. | Director | May 01 | Sale | 16.66 | 500 | 8,329 | 71,642 | May 05 05:05 PM |
| AMPH | Petersen Floyd F. | Director | Apr 01 | Sale | 14.36 | 500 | 7,181 | 72,142 | Apr 02 05:46 PM |
| AMPH | Petersen Floyd F. | Director | Mar 02 | Sale | 15.56 | 500 | 7,782 | 72,642 | Mar 03 04:15 PM |
| AMPH | Petersen Floyd F. | Director | Feb 03 | Sale | 19.12 | 500 | 9,558 | 73,142 | Feb 04 04:07 PM |
| AMPH | Petersen Floyd F. | Director | Jan 02 | Sale | 19.14 | 1,000 | 19,142 | 73,642 | Jan 03 05:05 PM |
| AMPH | Petersen Floyd F. | Director | Dec 02 | Sale | 19.25 | 500 | 9,623 | 74,642 | Dec 04 04:06 PM |
| AMPH | Petersen Floyd F. | Director | Nov 01 | Sale | 19.48 | 500 | 9,738 | 75,142 | Nov 05 04:06 PM |
| AMPH | Petersen Floyd F. | Director | Oct 01 | Sale | 19.92 | 500 | 9,959 | 75,642 | Oct 03 06:21 PM |
| AMPH | Petersen Floyd F. | Director | Sep 16 | Sale | 21.75 | 500 | 10,877 | 76,142 | Sep 17 08:13 PM |
| AMPH | Petersen Floyd F. | Director | Dec 03 | Option Exercise | 14.66 | 29,278 | 429,215 | 100,429 | Dec 04 09:01 PM |
| AMPH | Petersen Floyd F. | Director | Oct 04 | Option Exercise | 10.77 | 39,312 | 423,390 | 103,873 | Oct 06 05:52 PM |
| AMPH | Petersen Floyd F. | Director | Oct 04 | Sale | 18.59 | 39,312 | 730,755 | 64,561 | Oct 06 05:52 PM |
| AMPH | Petersen Floyd F. | Director | Jan 03 | Sale | 18.61 | 400 | 7,444 | 58,717 | Jan 04 06:36 PM |
| AMPH | Petersen Floyd F. | Director | Dec 01 | Sale | 20.26 | 400 | 8,104 | 59,117 | Dec 02 07:00 PM |
| AMPH | Petersen Floyd F. | Director | Nov 01 | Sale | 18.09 | 400 | 7,236 | 59,517 | Nov 03 07:02 PM |
| AMPH | Petersen Floyd F. | Director | Oct 03 | Sale | 18.75 | 400 | 7,500 | 59,917 | Oct 05 07:00 PM |
| AMPH | Petersen Floyd F. | Director | Sep 08 | Sale | 19.05 | 3,000 | 57,150 | 60,317 | Sep 12 05:03 PM |
| AMPH | Petersen Floyd F. | Director | Nov 20 | Option Exercise | 11.68 | 38,462 | 449,236 | 88,760 | Nov 24 04:05 PM |
| AMPH | Petersen Floyd F. | Director | Nov 20 | Sale | 14.29 | 31,529 | 450,512 | 57,231 | Nov 24 04:05 PM |
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