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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 | Liawatidewi Yakob | EVP Corp Admin Center | Aug 28 '23 | Option Exercise | 14.86 | 28,816 | 428,095 | 98,485 | Aug 29 06:54 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Aug 28 '23 | Sale | 53.13 | 28,816 | 1,530,994 | 69,669 | Aug 29 06:54 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Apr 13 '23 | Option Exercise | 20.23 | 11,494 | 232,524 | 80,709 | Apr 14 05:50 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Apr 13 '23 | Sale | 41.56 | 11,494 | 477,748 | 69,215 | Apr 14 05:50 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Apr 10 '23 | Option Exercise | 20.23 | 5,000 | 101,150 | 74,215 | Apr 12 05:22 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Apr 10 '23 | Sale | 40.00 | 5,000 | 200,000 | 69,215 | Apr 12 05:22 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Aug 08 '22 | Option Exercise | 19.79 | 5,000 | 98,950 | 66,607 | Aug 10 05:04 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Aug 09 '22 | Option Exercise | 19.79 | 3,055 | 60,458 | 64,662 | Aug 10 05:04 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Aug 09 '22 | Sale | 39.00 | 3,055 | 119,145 | 61,607 | Aug 10 05:04 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Aug 08 '22 | Sale | 38.00 | 5,000 | 190,000 | 61,607 | Aug 10 05:04 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 15 '22 | Option Exercise | 19.79 | 10,837 | 214,464 | 72,444 | Jul 18 06:13 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 15 '22 | Sale | 36.64 | 10,837 | 397,083 | 61,607 | Jul 18 06:13 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Aug 02 '21 | Option Exercise | 14.95 | 8,932 | 133,533 | 63,009 | Aug 03 04:06 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Aug 02 '21 | Sale | 21.14 | 8,932 | 188,805 | 54,077 | Aug 03 04:06 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 15 '21 | Option Exercise | 13.27 | 31,026 | 411,741 | 85,601 | Jul 16 06:29 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 15 '21 | Sale | 20.01 | 31,524 | 630,688 | 54,077 | Jul 16 06:29 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | May 17 '21 | Option Exercise | 11.33 | 9,637 | 109,187 | 63,210 | May 18 04:06 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | May 17 '21 | Sale | 19.99 | 9,637 | 192,686 | 53,573 | May 18 04:06 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | May 14 '21 | Sale | 19.92 | 3,186 | 63,454 | 53,573 | May 18 04:06 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | May 11 '21 | Option Exercise | 11.33 | 10,000 | 113,300 | 71,351 | May 13 06:39 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | May 11 '21 | Sale | 19.06 | 10,000 | 190,597 | 61,351 | May 13 06:39 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | May 12 '21 | Sale | 19.33 | 4,592 | 88,742 | 56,759 | May 13 06:39 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 21 '20 | Option Exercise | 11.33 | 5,978 | 67,731 | 51,974 | Jul 22 06:28 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 20 '20 | Option Exercise | 11.33 | 4,186 | 47,427 | 50,182 | Jul 22 06:28 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 20 '20 | Sale | 21.03 | 4,186 | 88,047 | 45,996 | Jul 22 06:28 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jul 21 '20 | Sale | 21.22 | 5,978 | 126,837 | 45,996 | Jul 22 06:28 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jun 09 '20 | Option Exercise | 10.93 | 16,000 | 174,880 | 69,529 | Jun 10 07:39 PM |
| AMPH | Liawatidewi Yakob | EVP Corp Admin Center | Jun 09 '20 | Sale | 20.41 | 23,405 | 477,602 | 46,124 | Jun 10 07:39 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Sep 13 '19 | Sale | 21.45 | 3,000 | 64,340 | 33,670 | Sep 17 07:11 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Sep 05 '19 | Sale | 21.24 | 1,515 | 32,184 | 4,854 | Sep 09 08:16 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Sep 06 '19 | Sale | 21.90 | 2,395 | 52,455 | 2,459 | Sep 09 08:16 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Aug 13 '19 | Option Exercise | 10.93 | 5,000 | 54,650 | 41,670 | Aug 14 05:18 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Aug 12 '19 | Option Exercise | 10.93 | 5,000 | 54,650 | 47,188 | Aug 14 05:18 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Aug 12 '19 | Sale | 20.44 | 10,518 | 214,962 | 36,670 | Aug 14 05:18 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Aug 13 '19 | Sale | 20.73 | 5,000 | 103,653 | 36,670 | Aug 14 05:18 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Feb 12 '19 | Option Exercise | 14.95 | 4,000 | 59,800 | 39,883 | Feb 14 06:30 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Feb 14 '19 | Option Exercise | 14.95 | 4,868 | 72,777 | 40,751 | Feb 14 06:30 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Feb 14 '19 | Sale | 24.00 | 4,868 | 116,832 | 35,883 | Feb 14 06:30 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Feb 12 '19 | Sale | 23.70 | 4,000 | 94,800 | 35,883 | Feb 14 06:30 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Feb 05 '19 | Option Exercise | 10.48 | 9,817 | 102,882 | 47,280 | Feb 06 08:12 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Feb 05 '19 | Sale | 23.18 | 11,397 | 264,167 | 35,883 | Feb 06 08:12 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 23 '19 | Option Exercise | 10.48 | 4,000 | 41,920 | 41,463 | Jan 24 08:47 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 22 '19 | Option Exercise | 10.48 | 3,000 | 31,440 | 40,463 | Jan 24 08:47 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 22 '19 | Sale | 22.35 | 3,000 | 67,050 | 37,463 | Jan 24 08:47 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 23 '19 | Sale | 22.65 | 4,000 | 90,600 | 37,463 | Jan 24 08:47 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 16 '19 | Option Exercise | 10.48 | 3,175 | 33,274 | 40,638 | Jan 16 07:10 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 14 '19 | Option Exercise | 10.48 | 8 | 84 | 37,471 | Jan 16 07:10 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 14 '19 | Sale | 22.15 | 8 | 177 | 37,463 | Jan 16 07:10 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Jan 16 '19 | Sale | 22.15 | 3,175 | 70,326 | 37,463 | Jan 16 07:10 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 30 '18 | Option Exercise | 20.26 | 11,500 | 232,990 | 48,963 | Dec 03 08:08 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 30 '18 | Sale | 21.50 | 11,500 | 247,244 | 37,463 | Dec 03 08:08 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 30 '18 | Sale | 21.48 | 2,480 | 53,269 | 6,369 | Dec 03 08:08 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 28 '18 | Sale | 20.49 | 1,520 | 31,140 | 8,849 | Nov 29 06:12 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 23 '18 | Sale | 20.26 | 1,299 | 26,315 | 37,463 | Nov 26 08:48 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 08 '18 | Option Exercise | 11.41 | 6,000 | 68,460 | 46,763 | Nov 13 05:08 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 09 '18 | Option Exercise | 14.32 | 9,807 | 140,387 | 50,570 | Nov 13 05:08 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 09 '18 | Sale | 21.21 | 11,808 | 250,421 | 38,762 | Nov 13 05:08 PM |
| AMPH | Liawatidewi Yakob | SVP Corp Admin Center | Nov 08 '18 | Sale | 20.50 | 6,000 | 123,000 | 40,763 | Nov 13 05:08 PM |
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