Jack Y. Zhang Insider Trading $AMPH Amphastar Pharmaceuticals, Inc.
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of Jack Y. Zhang. Jack Y. Zhang is CEO & Chief Science Officer in Amphastar Pharmaceuticals, Inc. ($AMPH) and CEO & Chief Scientific Officer in Amphastar Pharmaceuticals, Inc. ($AMPH).
Jack Y. Zhang in Amphastar Pharmaceuticals, Inc.
Industry: PHARMACEUTICAL PREPARATIONS [2834]
Position of Jack Y. Zhang: CEO & Chief Scientific Officer, CEO & Chief Science Officer
Holdings: 2,193,659 shares
Current Value: $34,681,749
Latest Transaction: Mar 18 2021
$AMPH Market Capitalization: $764.90M
$AMPH Previous Close: $15.81
Last 4 weeks trend: HOLD
Last 3 months trend: HOLD
Latest Insider Trading Transactions of Jack Y. Zhang in Amphastar Pharmaceuticals, Inc.
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 17.99 | 133,585 | 2,403,194 | 133,585 | |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 17.99 | 298,688 | 5,373,397 | 298,688 | |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 56,892 | 0 | 1,488,371 | 1.4 M to 1.5 M (+3.97 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 127,209 | 0 | 2,320,868 | 2.2 M to 2.3 M (+5.80 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 18.44 | 8,890 | 163,932 | 1,431,479 | 1.4 M to 1.4 M (-0.62 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 18.44 | 25,241 | 465,444 | 2,193,659 | 2.2 M to 2.2 M (-1.14 %) |
| Mar 17 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.15 | 9,592 | 183,687 | 1,440,369 | 1.4 M to 1.4 M (-0.66 %) |
| Mar 17 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.15 | 28,088 | 537,885 | 2,218,900 | 2.2 M to 2.2 M (-1.25 %) |
| Feb 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.58 | 407 | 7,562 | 6,827,679 | 6.8 M to 6.8 M (-0.01 %) |
| Feb 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.67 | 13,801 | 257,723 | 6,828,086 | 6.8 M to 6.8 M (-0.20 %) |
| Feb 18 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.51 | 16,259 | 301,031 | 6,841,887 | 6.9 M to 6.8 M (-0.24 %) |
| Feb 12 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.94 | 13,277 | 251,522 | 6,858,146 | 6.9 M to 6.9 M (-0.19 %) |
| Feb 12 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 19.06 | 19,823 | 377,884 | 6,871,423 | 6.9 M to 6.9 M (-0.29 %) |
| Feb 12 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.76 | 15,747 | 295,344 | 6,891,246 | 6.9 M to 6.9 M (-0.23 %) |
| Feb 09 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.93 | 11,927 | 225,776 | 6,906,993 | 6.9 M to 6.9 M (-0.17 %) |
| Feb 09 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.89 | 13,452 | 254,049 | 6,918,920 | 6.9 M to 6.9 M (-0.19 %) |
| Feb 09 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.94 | 15,507 | 293,721 | 6,932,372 | 6.9 M to 6.9 M (-0.22 %) |
| Feb 05 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.89 | 25,570 | 483,020 | 6,947,879 | 7 M to 6.9 M (-0.37 %) |
| Feb 05 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.36 | 16,299 | 299,323 | 6,973,449 | 7 M to 7 M (-0.23 %) |
| Feb 05 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.89 | 25,570 | 483,020 | 6,947,879 | 7 M to 6.9 M (-0.37 %) |
| Feb 05 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.36 | 16,299 | 299,323 | 6,973,449 | 7 M to 7 M (-0.23 %) |
| Feb 03 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.66 | 13,817 | 257,821 | 6,989,748 | 7 M to 7 M (-0.20 %) |
| Feb 03 2021 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 18.29 | 24,114 | 441,120 | 7,003,565 | 7 M to 7 M (-0.34 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 13.03 | 181,134 | 2,360,176 | 181,134 | |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 13.03 | 405,003 | 5,277,189 | 405,003 | |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 68,303 | 0 | 1,449,961 | 1.4 M to 1.4 M (+4.94 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 13.03 | 7,771 | 101,256 | 1,381,658 | 1.4 M to 1.4 M (-0.56 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 152,724 | 0 | 2,246,988 | 2.1 M to 2.2 M (+7.29 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 13.03 | 25,873 | 337,125 | 2,094,264 | 2.1 M to 2.1 M (-1.22 %) |
| Mar 17 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 14.19 | 9,593 | 136,125 | 1,389,429 | 1.4 M to 1.4 M (-0.69 %) |
| Mar 17 2020 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 14.19 | 27,179 | 385,670 | 2,120,137 | 2.1 M to 2.1 M (-1.27 %) |
| Sep 12 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 20.82 | 300,000 | 6,246,000 | 7,027,679 | 7.3 M to 7 M (-4.09 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 22.25 | 110,671 | 2,462,430 | 110,671 | |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 15.84 | 224,737 | 3,559,834 | 0 | |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 22.25 | 262,182 | 5,833,550 | 262,182 | |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 15.84 | 514,783 | 8,154,163 | 0 | |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 13,941 | 282,026 | 1,399,022 | 1.4 M to 1.4 M (-0.99 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 11,832 | 239,361 | 1,412,963 | 1.4 M to 1.4 M (-0.83 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 7,317 | 148,023 | 1,424,795 | 1.4 M to 1.4 M (-0.51 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 41,522 | 0 | 1,432,112 | 1.4 M to 1.4 M (+2.99 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 200,853 | 4,063,256 | 1,390,590 | 1.6 M to 1.4 M (-12.62 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 15.84 | 224,737 | 3,559,834 | 1,591,443 | 1.4 M to 1.6 M (+16.44 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 32,374 | 654,926 | 2,147,316 | 2.2 M to 2.1 M (-1.49 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 27,476 | 555,839 | 2,179,690 | 2.2 M to 2.2 M (-1.24 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 17,205 | 348,057 | 2,207,166 | 2.2 M to 2.2 M (-0.77 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 98,368 | 0 | 2,224,371 | 2.1 M to 2.2 M (+4.63 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 20.23 | 461,097 | 9,327,992 | 2,126,003 | 2.6 M to 2.1 M (-17.82 %) |
| Mar 18 2019 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 15.84 | 514,783 | 8,154,163 | 2,587,100 | 2.1 M to 2.6 M (+24.84 %) |
| Dec 17 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 20.48 | 43,577 | 892,309 | 2,072,317 | 2.1 M to 2.1 M (-2.06 %) |
| Dec 17 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 20.48 | 43,577 | 892,309 | 2,072,317 | 2.1 M to 2.1 M (-2.06 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 20.99 | 29,689 | 623,166 | 7,327,679 | 7.4 M to 7.3 M (-0.40 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 21.21 | 37,469 | 794,736 | 7,357,368 | 7.4 M to 7.4 M (-0.51 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 22.13 | 3,253 | 71,992 | 7,394,837 | 7.4 M to 7.4 M (-0.04 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 21.43 | 63,504 | 1,361,157 | 7,398,090 | 7.5 M to 7.4 M (-0.85 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 20.99 | 29,689 | 623,166 | 7,327,679 | 7.4 M to 7.3 M (-0.40 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 21.21 | 37,469 | 794,736 | 7,357,368 | 7.4 M to 7.4 M (-0.51 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 22.13 | 3,253 | 71,992 | 7,394,837 | 7.4 M to 7.4 M (-0.04 %) |
| Dec 13 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | S | 21.43 | 63,504 | 1,361,157 | 7,398,090 | 7.5 M to 7.4 M (-0.85 %) |
| Jul 03 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.02 | 186,545 | 2,242,831 | 0 | |
| Jul 03 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.02 | 319,791 | 3,844,847 | 0 | |
| Jul 03 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 15.39 | 165,968 | 2,554,248 | 1,366,706 | 1.5 M to 1.4 M (-10.83 %) |
| Jul 03 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 12.02 | 186,545 | 2,242,831 | 1,532,674 | 1.3 M to 1.5 M (+13.86 %) |
| Jul 03 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 15.39 | 284,516 | 4,378,701 | 2,115,894 | 2.4 M to 2.1 M (-11.85 %) |
| Jul 03 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 12.02 | 319,791 | 3,844,847 | 2,400,410 | 2.1 M to 2.4 M (+15.37 %) |
| May 17 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | P | 16.06 | 15,000 | 240,854 | 2,080,619 | 2.1 M to 2.1 M (+0.73 %) |
| May 17 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | P | 16.08 | 25,000 | 401,970 | 2,065,619 | 2 M to 2.1 M (+1.23 %) |
| Mar 28 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 18.61 | 8,844 | 164,587 | 1,346,129 | 1.4 M to 1.3 M (-0.65 %) |
| Mar 28 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 18.61 | 20,728 | 385,748 | 2,040,619 | 2.1 M to 2 M (-1.01 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.91 | 9,589 | 190,917 | 1,354,973 | 1.4 M to 1.4 M (-0.70 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.91 | 7,771 | 154,721 | 1,364,562 | 1.4 M to 1.4 M (-0.57 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.91 | 30,487 | 606,996 | 2,061,347 | 2.1 M to 2.1 M (-1.46 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.91 | 19,360 | 385,458 | 2,091,834 | 2.1 M to 2.1 M (-0.92 %) |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 21.77 | 116,392 | 2,533,854 | 116,392 | |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 21.77 | 273,692 | 5,958,275 | 273,692 | |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 41,687 | 0 | 1,372,333 | 1.3 M to 1.4 M (+3.13 %) |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 98,029 | 0 | 2,111,194 | 2 M to 2.1 M (+4.87 %) |
| Dec 19 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.02 | 373,091 | 4,485,673 | 186,545 | |
| Dec 19 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.02 | 639,584 | 7,689,718 | 319,791 | |
| Dec 19 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.30 | 305,823 | 5,902,384 | 1,330,646 | 1.6 M to 1.3 M (-18.69 %) |
| Dec 19 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 12.02 | 373,091 | 4,485,673 | 1,636,469 | 1.3 M to 1.6 M (+29.53 %) |
| Dec 19 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 19.30 | 524,266 | 10,118,334 | 2,013,165 | 2.5 M to 2 M (-20.66 %) |
| Dec 19 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 12.02 | 639,584 | 7,689,718 | 2,537,431 | 1.9 M to 2.5 M (+33.70 %) |
| Nov 14 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.02 | 186,545 | 2,242,831 | 559,636 | |
| Nov 14 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.02 | 319,792 | 3,844,859 | 959,375 | |
| Nov 14 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | M | 12.02 | 186,545 | 2,242,831 | 1,263,378 | 1.4 M to 1.3 M (-12.87 %) |
| Nov 14 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | M | 12.02 | 319,792 | 3,844,859 | 1,897,847 | 2.2 M to 1.9 M (-14.42 %) |
| Sep 15 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 11.53 | 138,632 | 1,598,427 | 0 | |
| Sep 15 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 11.53 | 176,987 | 2,040,660 | 0 | |
| Sep 15 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 15.87 | 120,504 | 1,912,398 | 1,076,833 | 1.2 M to 1.1 M (-10.06 %) |
| Sep 15 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | M | 11.53 | 138,632 | 1,598,427 | 1,197,337 | 1.3 M to 1.2 M (-10.38 %) |
| Sep 15 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 15.86 | 153,882 | 2,440,569 | 1,578,055 | 1.7 M to 1.6 M (-8.88 %) |
| Sep 15 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Sell | M | 11.53 | 176,987 | 2,040,660 | 1,731,937 | 1.9 M to 1.7 M (-9.27 %) |
| May 25 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 11.51 | 264,895 | 3,047,882 | 0 | |
| May 25 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 11.51 | 382,448 | 4,400,447 | 0 | |
| May 25 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 11.51 | 264,895 | 3,047,882 | 1,058,705 | 793.8 K to 1.1 M (+33.37 %) |
| May 25 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 11.51 | 382,448 | 4,400,447 | 1,554,950 | 1.2 M to 1.6 M (+32.62 %) |
| Mar 28 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 14.27 | 9,271 | 132,297 | 793,810 | 803.1 K to 793.8 K (-1.15 %) |
| Mar 28 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 13.76 | 6,704 | 92,247 | 803,081 | 809.8 K to 803.1 K (-0.83 %) |
| Mar 28 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 14.27 | 27,480 | 392,140 | 1,172,502 | 1.2 M to 1.2 M (-2.29 %) |
| Mar 28 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 13.76 | 21,799 | 299,954 | 1,199,982 | 1.2 M to 1.2 M (-1.78 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 14.69 | 211,213 | 3,102,719 | 211,213 | |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | A | 14.69 | 490,477 | 7,205,107 | 490,477 | |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 13.75 | 9,951 | 136,826 | 809,785 | 819.7 K to 809.8 K (-1.21 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 67,415 | 0 | 819,736 | 752.3 K to 819.7 K (+8.96 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Payment of Exercise | F | 13.75 | 23,108 | 317,735 | 1,221,781 | 1.2 M to 1.2 M (-1.86 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Grant | A | 0.00 | 156,554 | 0 | 1,244,889 | 1.1 M to 1.2 M (+14.38 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 16.75 | 181,768 | 3,045,159 | 0 | |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 16.75 | 55,081 | 922,772 | 0 | |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 16.75 | 207,350 | 3,473,735 | 55,081 | |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 21.33 | 95,213 | 2,030,693 | 752,321 | 847.5 K to 752.3 K (-11.23 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 20.74 | 86,555 | 1,795,038 | 847,534 | 934.1 K to 847.5 K (-9.27 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Buy | M | 16.75 | 181,768 | 3,045,159 | 934,089 | 752.3 K to 934.1 K (+24.16 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 21.45 | 500 | 10,726 | 1,088,335 | 1.1 M to 1.1 M (-0.05 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 20.70 | 54,581 | 1,129,608 | 1,088,835 | 1.1 M to 1.1 M (-4.77 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Buy | M | 16.75 | 55,081 | 922,772 | 1,143,416 | 1.1 M to 1.1 M (+5.06 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 21.33 | 131,198 | 2,798,335 | 1,088,335 | 1.2 M to 1.1 M (-10.76 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 20.73 | 76,152 | 1,578,403 | 1,219,533 | 1.3 M to 1.2 M (-5.88 %) |
| Sep 22 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Buy | M | 16.75 | 207,350 | 3,473,735 | 1,295,685 | 1.1 M to 1.3 M (+19.05 %) |
| Mar 29 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Payment of Exercise | F | 11.96 | 8,641 | 103,346 | 752,321 | 761 K to 752.3 K (-1.14 %) |
| Mar 29 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Payment of Exercise | F | 11.96 | 6,704 | 80,180 | 760,962 | 767.7 K to 761 K (-0.87 %) |
| Mar 29 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Payment of Exercise | F | 11.96 | 25,856 | 309,238 | 1,088,335 | 1.1 M to 1.1 M (-2.32 %) |
| Mar 29 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Payment of Exercise | F | 11.96 | 15,711 | 187,904 | 1,114,191 | 1.1 M to 1.1 M (-1.39 %) |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | A | 12.46 | 310,930 | 3,874,188 | 310,930 | |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | A | 12.46 | 722,046 | 8,996,693 | 722,046 | |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Grant | A | 0.00 | 79,435 | 0 | 767,666 | 688.2 K to 767.7 K (+11.54 %) |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Grant | A | 0.00 | 184,466 | 0 | 1,129,902 | 945.4 K to 1.1 M (+19.51 %) |
| Dec 11 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 14.05 | 15,066 | 211,736 | 7,461,594 | 7.5 M to 7.5 M (-0.20 %) |
| Dec 11 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 14.32 | 21,915 | 313,884 | 7,476,660 | 7.5 M to 7.5 M (-0.29 %) |
| Dec 11 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 14.29 | 26,319 | 376,133 | 7,498,575 | 7.5 M to 7.5 M (-0.35 %) |
| Dec 08 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 14.50 | 24,359 | 353,118 | 7,524,894 | 7.5 M to 7.5 M (-0.32 %) |
| Dec 08 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 14.59 | 15,046 | 219,490 | 7,549,253 | 7.6 M to 7.5 M (-0.20 %) |
| Dec 08 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 14.95 | 28,712 | 429,302 | 7,564,299 | 7.6 M to 7.6 M (-0.38 %) |
| Dec 03 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 15.42 | 18,583 | 286,461 | 7,593,011 | 7.6 M to 7.6 M (-0.24 %) |
| Dec 03 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 15.49 | 20,000 | 309,780 | 7,611,594 | 7.6 M to 7.6 M (-0.26 %) |
| Aug 19 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.97 | 8,481 | 109,999 | 0 | |
| Aug 19 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Option Exercise | M | 12.97 | 8,481 | 109,999 | 0 | |
| Aug 19 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 12.97 | 8,481 | 109,999 | 670,147 | 661.7 K to 670.1 K (+1.28 %) |
| Aug 19 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Scienti ... | Buy | M | 12.97 | 8,481 | 109,999 | 920,117 | 911.6 K to 920.1 K (+0.93 %) |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 12.97 | 50,061 | 649,291 | 8,481 | |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Payment of Exercise | F | 16.29 | 4,679 | 76,239 | 911,636 | 916.3 K to 911.6 K (-0.51 %) |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 16.29 | 45,382 | 739,445 | 916,315 | 961.7 K to 916.3 K (-4.72 %) |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Buy | M | 12.97 | 50,061 | 649,291 | 961,697 | 911.6 K to 961.7 K (+5.49 %) |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 12.97 | 42,223 | 547,632 | 8,481 | |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 12.97 | 12,930 | 167,702 | 50,704 | |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 12.97 | 12,619 | 163,668 | 63,634 | |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 12.97 | 83,253 | 1,079,791 | 58,542 | |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 12.97 | 12,860 | 166,794 | 141,795 | |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Option Exercise | M | 12.97 | 12,975 | 168,286 | 154,655 | |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Payment of Exercise | F | 16.17 | 3,752 | 60,660 | 661,666 | 665.4 K to 661.7 K (-0.56 %) |
| Jun 12 2015 | AMPH | Amphastar Pharmace ... | Zhang Jack Y. | CEO & Chief Science ... | Sell | S | 16.17 | 38,471 | 621,972 | 665,418 | 703.9 K to 665.4 K (-5.47 %) |