| Symbol | Company | Owner | Relationship | Date | Transaction | Cost | # Shares | Value ($) | Total Shares | Filing | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2024 | Option Exercise | $23.52 | 1,130,767 | 26,592,132 | 2,858,043 | Mar 19, 2024, 06:55 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2024 | Option Exercise | $24.53 | 513,588 | 12,598,615 | 1,439,466 | Mar 19, 2024, 06:55 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2024 | Option Exercise | $43.05 | 15,768 | 678,812 | 2,433,554 | Mar 19, 2024, 06:55 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2024 | Option Exercise | $43.05 | 7,052 | 303,589 | 1,229,756 | Mar 19, 2024, 06:55 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 06, 2024 | Option Exercise | $46.31 | 7,031 | 325,606 | 2,135,997 | Mar 08, 2024, 04:32 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 06, 2024 | Option Exercise | $46.31 | 2,990 | 138,467 | 1,128,536 | Mar 08, 2024, 04:32 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Jan 10, 2024 | Sale | $54.59 | 131,386 | 7,171,768 | 1,157,566 | Jan 11, 2024, 04:37 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Jan 08, 2024 | Sale | $58.93 | 133,644 | 7,875,476 | 1,436,744 | Jan 10, 2024, 06:27 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Jan 09, 2024 | Sale | $57.14 | 86,156 | 4,923,232 | 1,271,280 | Jan 10, 2024, 06:27 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2023 | Option Exercise | $36.29 | 15,768 | 572,221 | 2,078,718 | Mar 20, 2023, 08:02 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2023 | Option Exercise | $36.29 | 7,052 | 255,917 | 1,455,602 | Mar 20, 2023, 08:02 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2023 | Option Exercise | $37.60 | 25,241 | 949,062 | 2,094,486 | Mar 20, 2023, 08:02 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2023 | Option Exercise | $37.60 | 9,998 | 375,925 | 1,462,654 | Mar 20, 2023, 08:02 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2023 | Option Exercise | $36.84 | 8,434 | 310,709 | 2,177,092 | Mar 17, 2023, 07:01 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2023 | Option Exercise | $36.84 | 2,803 | 103,263 | 1,530,017 | Mar 17, 2023, 07:01 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 20, 2022 | Sale | $34.21 | 10,650 | 364,365 | 2,104,143 | May 23, 2022, 04:05 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 18, 2022 | Sale | $34.14 | 67,046 | 2,289,101 | 2,168,305 | May 20, 2022, 04:38 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 19, 2022 | Sale | $33.76 | 41,730 | 1,408,761 | 2,114,908 | May 20, 2022, 04:38 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 16, 2022 | Sale | $35.75 | 68,069 | 2,433,457 | 2,287,740 | May 18, 2022, 04:06 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 17, 2022 | Sale | $35.76 | 50,376 | 1,801,440 | 2,226,406 | May 18, 2022, 04:06 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2022 | Option Exercise | $34.18 | 15,768 | 538,950 | 2,342,014 | Mar 18, 2022, 06:54 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2022 | Option Exercise | $34.18 | 7,052 | 241,037 | 1,498,519 | Mar 18, 2022, 06:54 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2022 | Option Exercise | $34.22 | 25,241 | 863,747 | 2,357,782 | Mar 18, 2022, 06:54 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2022 | Option Exercise | $34.22 | 10,426 | 356,778 | 1,505,571 | Mar 18, 2022, 06:54 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2022 | Option Exercise | $34.74 | 14,759 | 512,728 | 2,383,023 | Mar 17, 2022, 05:05 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2022 | Option Exercise | $34.74 | 4,786 | 166,266 | 1,515,997 | Mar 17, 2022, 05:05 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2021 | Option Exercise | $18.44 | 8,890 | 163,932 | 1,431,479 | Mar 18, 2021, 09:11 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2021 | Option Exercise | $18.44 | 25,241 | 465,444 | 2,193,659 | Mar 18, 2021, 09:11 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2021 | Option Exercise | $19.15 | 28,088 | 537,885 | 2,218,900 | Mar 17, 2021, 07:38 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2021 | Option Exercise | $19.15 | 9,592 | 183,687 | 1,440,369 | Mar 17, 2021, 07:38 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 17, 2021 | Sale | $18.67 | 13,801 | 257,723 | 6,828,086 | Feb 18, 2021, 06:58 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 18, 2021 | Sale | $18.58 | 407 | 7,562 | 6,827,679 | Feb 18, 2021, 06:58 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 16, 2021 | Sale | $18.51 | 16,259 | 301,031 | 6,841,887 | Feb 18, 2021, 06:58 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 10, 2021 | Sale | $18.76 | 15,747 | 295,344 | 6,891,246 | Feb 12, 2021, 07:11 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 11, 2021 | Sale | $19.06 | 19,823 | 377,884 | 6,871,423 | Feb 12, 2021, 07:11 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 12, 2021 | Sale | $18.94 | 13,277 | 251,522 | 6,858,146 | Feb 12, 2021, 07:11 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 09, 2021 | Sale | $18.93 | 11,927 | 225,776 | 6,906,993 | Feb 09, 2021, 05:30 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 05, 2021 | Sale | $18.94 | 15,507 | 293,721 | 6,932,372 | Feb 09, 2021, 05:30 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 08, 2021 | Sale | $18.89 | 13,452 | 254,049 | 6,918,920 | Feb 09, 2021, 05:30 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 03, 2021 | Sale | $18.36 | 16,299 | 299,323 | 6,973,449 | Feb 05, 2021, 08:35 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 04, 2021 | Sale | $18.89 | 25,570 | 483,020 | 6,947,879 | Feb 05, 2021, 08:35 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 02, 2021 | Sale | $18.66 | 13,817 | 257,821 | 6,989,748 | Feb 03, 2021, 04:15 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Feb 01, 2021 | Sale | $18.29 | 24,114 | 441,120 | 7,003,565 | Feb 03, 2021, 04:15 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2020 | Option Exercise | $13.03 | 25,873 | 337,125 | 2,094,264 | Mar 18, 2020, 05:29 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2020 | Option Exercise | $13.03 | 7,771 | 101,256 | 1,381,658 | Mar 18, 2020, 05:29 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2020 | Option Exercise | $14.19 | 27,179 | 385,670 | 2,120,137 | Mar 17, 2020, 08:03 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2020 | Option Exercise | $14.19 | 9,593 | 136,125 | 1,389,429 | Mar 17, 2020, 08:03 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Sep 11, 2019 | Sale | $20.82 | 300,000 | 6,246,000 | 7,027,679 | Sep 12, 2019, 07:50 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2019 | Option Exercise | $17.95 | 432,907 | 7,771,113 | 1,591,443 | Mar 18, 2019, 07:53 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2019 | Option Exercise | $20.23 | 27,476 | 555,839 | 2,179,690 | Mar 18, 2019, 07:53 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2019 | Option Exercise | $20.23 | 11,832 | 239,361 | 1,412,963 | Mar 18, 2019, 07:53 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2019 | Option Exercise | $20.23 | 32,374 | 654,926 | 2,147,316 | Mar 18, 2019, 07:53 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2019 | Option Exercise | $20.23 | 13,941 | 282,026 | 1,399,022 | Mar 18, 2019, 07:53 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 15, 2019 | Option Exercise | $17.95 | 993,085 | 17,830,212 | 2,587,100 | Mar 18, 2019, 07:53 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Dec 14, 2018 | Sale | $20.48 | 43,577 | 892,309 | 2,072,317 | Dec 17, 2018, 08:02 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Dec 11, 2018 | Sale | $21.47 | 66,757 | 1,433,150 | 7,398,090 | Dec 13, 2018, 08:08 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Dec 12, 2018 | Sale | $21.21 | 37,469 | 794,736 | 7,357,368 | Dec 13, 2018, 08:08 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Dec 13, 2018 | Sale | $20.99 | 29,689 | 623,166 | 7,327,679 | Dec 13, 2018, 08:08 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Jul 02, 2018 | Option Exercise | $13.61 | 604,307 | 8,223,548 | 2,400,410 | Jul 03, 2018, 05:06 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Jul 02, 2018 | Option Exercise | $13.61 | 352,513 | 4,797,078 | 1,532,674 | Jul 03, 2018, 05:06 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 15, 2018 | Buy | $16.08 | 25,000 | 401,970 | 2,065,619 | May 17, 2018, 07:05 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 16, 2018 | Buy | $16.06 | 15,000 | 240,854 | 2,080,619 | May 17, 2018, 07:05 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 26, 2018 | Option Exercise | $18.61 | 20,728 | 385,748 | 2,040,619 | Mar 28, 2018, 05:21 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 26, 2018 | Option Exercise | $18.61 | 8,844 | 164,587 | 1,346,129 | Mar 28, 2018, 05:21 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2018 | Option Exercise | $19.91 | 19,360 | 385,458 | 2,091,834 | Mar 20, 2018, 08:00 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 16, 2018 | Option Exercise | $19.91 | 7,771 | 154,721 | 1,364,562 | Mar 20, 2018, 08:00 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2018 | Option Exercise | $19.91 | 30,487 | 606,996 | 2,061,347 | Mar 20, 2018, 08:00 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2018 | Option Exercise | $19.91 | 9,589 | 190,917 | 1,354,973 | Mar 20, 2018, 08:00 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Dec 15, 2017 | Option Exercise | $15.30 | 678,914 | 10,388,057 | 1,636,469 | Dec 19, 2017, 06:25 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Dec 15, 2017 | Option Exercise | $15.30 | 1,163,850 | 17,808,052 | 2,537,431 | Dec 19, 2017, 06:25 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Nov 13, 2017 | Option Exercise | $12.02 | 319,792 | 3,844,859 | 1,897,847 | Nov 14, 2017, 07:39 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Nov 13, 2017 | Option Exercise | $12.02 | 186,545 | 2,242,830 | 1,263,378 | Nov 14, 2017, 07:39 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Sep 13, 2017 | Option Exercise | $13.54 | 330,869 | 4,481,229 | 1,731,937 | Sep 15, 2017, 04:30 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Sep 13, 2017 | Option Exercise | $13.55 | 259,136 | 3,510,825 | 1,197,337 | Sep 15, 2017, 04:30 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 23, 2017 | Option Exercise | $11.51 | 382,448 | 4,400,447 | 1,554,950 | May 25, 2017, 04:15 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | May 23, 2017 | Option Exercise | $11.51 | 264,895 | 3,047,882 | 1,058,705 | May 25, 2017, 04:15 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 27, 2017 | Option Exercise | $14.27 | 27,480 | 392,140 | 1,172,502 | Mar 28, 2017, 08:03 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 27, 2017 | Option Exercise | $14.27 | 9,271 | 132,297 | 793,810 | Mar 28, 2017, 08:03 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 26, 2017 | Option Exercise | $13.76 | 21,799 | 299,954 | 1,199,982 | Mar 28, 2017, 08:03 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 26, 2017 | Option Exercise | $13.76 | 6,704 | 92,247 | 803,081 | Mar 28, 2017, 08:03 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2017 | Option Exercise | $13.75 | 23,108 | 317,735 | 1,221,781 | Mar 20, 2017, 08:50 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Scientific Officer | Mar 17, 2017 | Option Exercise | $13.75 | 9,951 | 136,826 | 809,785 | Mar 20, 2017, 08:50 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Sep 20, 2016 | Sale | $18.90 | 363,536 | 6,870,891 | 934,089 | Sep 22, 2016, 04:39 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Sep 21, 2016 | Option Exercise | $18.73 | 110,162 | 2,063,106 | 1,143,416 | Sep 22, 2016, 04:39 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Sep 20, 2016 | Sale | $18.93 | 414,700 | 7,850,472 | 1,295,685 | Sep 22, 2016, 04:39 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Mar 26, 2016 | Option Exercise | $11.96 | 15,711 | 187,904 | 1,114,191 | Mar 29, 2016, 07:20 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Mar 26, 2016 | Option Exercise | $11.96 | 6,704 | 80,180 | 760,962 | Mar 29, 2016, 07:20 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Mar 27, 2016 | Option Exercise | $11.96 | 25,856 | 309,238 | 1,088,335 | Mar 29, 2016, 07:20 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Mar 27, 2016 | Option Exercise | $11.96 | 8,641 | 103,346 | 752,321 | Mar 29, 2016, 07:20 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Jun 10, 2015 | Sale | $14.59 | 24,030 | 350,488 | 686,143 | Feb 03, 2016, 07:41 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Jun 11, 2015 | Option Exercise | $14.63 | 24,460 | 357,839 | 936,241 | Feb 03, 2016, 07:41 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Jun 11, 2015 | Sale | $14.63 | 24,594 | 359,795 | 687,662 | Feb 03, 2016, 07:41 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Jun 12, 2015 | Sale | $14.48 | 158,871 | 2,300,924 | 1,007,894 | Feb 03, 2016, 07:41 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Jun 12, 2015 | Sale | $14.49 | 80,694 | 1,169,604 | 718,221 | Feb 03, 2016, 07:41 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Jun 10, 2015 | Option Exercise | $14.59 | 24,706 | 360,430 | 935,112 | Feb 03, 2016, 07:41 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Dec 09, 2015 | Sale | $14.29 | 52,638 | 752,265 | 7,498,575 | Dec 11, 2015, 06:12 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Dec 10, 2015 | Sale | $14.32 | 43,830 | 627,768 | 7,476,660 | Dec 11, 2015, 06:12 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Dec 11, 2015 | Sale | $14.05 | 30,132 | 423,472 | 7,461,594 | Dec 11, 2015, 06:12 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Dec 07, 2015 | Sale | $14.59 | 15,046 | 219,490 | 7,549,253 | Dec 08, 2015, 07:14 PM | |
| AMPH | Amphastar Pharmaceuticals, Inc. | Zhang Jack Y. | CEO & Chief Science Officer | Dec 08, 2015 | Sale | $14.50 | 24,359 | 353,118 | 7,524,894 | Dec 08, 2015, 07:14 PM |
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