Amphastar Pharmaceuticals, Inc. Insider Trading for March 2021
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General | Insiders | Insider Transactions | Monthly Overview | Weekly Overview
Overview of insider trading in Amphastar Pharmaceuticals, Inc. for March 2021.
| 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 18 2021 | AMPH | Amphastar Pharmace ... | Liawatidewi Yakob | EVP Corp Admin Cent ... | Option Exercise | A | 17.99 | 45,420 | 817,106 | 45,420 | |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Liawatidewi Yakob | EVP Corp Admin Cent ... | Grant | A | 0.00 | 19,344 | 0 | 61,351 | 42 K to 61.4 K (+46.05 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Liawatidewi Yakob | EVP Corp Admin Cent ... | Payment of Exercise | F | 18.44 | 2,430 | 44,809 | 42,007 | 44.4 K to 42 K (-5.47 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Option Exercise | A | 17.99 | 51,621 | 928,662 | 51,621 | |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Grant | A | 0.00 | 21,984 | 0 | 96,265 | 74.3 K to 96.3 K (+29.60 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 18.44 | 3,303 | 60,907 | 74,281 | 77.6 K to 74.3 K (-4.26 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | A | 17.99 | 78,833 | 1,418,206 | 78,833 | |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Grant | A | 0.00 | 33,574 | 0 | 108,302 | 74.7 K to 108.3 K (+44.93 %) |
| Mar 18 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 18.44 | 6,398 | 117,979 | 74,728 | 81.1 K to 74.7 K (-7.89 %) |
| Mar 17 2021 | AMPH | Amphastar Pharmace ... | Liawatidewi Yakob | EVP Corp Admin Cent ... | Payment of Exercise | F | 19.15 | 1,559 | 29,855 | 44,437 | 46 K to 44.4 K (-3.39 %) |
| Mar 17 2021 | AMPH | Amphastar Pharmace ... | Zhou Rong | EVP, Production Cen ... | Payment of Exercise | F | 19.15 | 1,652 | 31,636 | 77,584 | 79.2 K to 77.6 K (-2.08 %) |
| Mar 17 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 19.15 | 4,178 | 80,009 | 81 | 4.3 K to 81 (-98.10 %) |
| Mar 17 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 19.03 | 4,244 | 80,745 | 85,304 | 89.5 K to 85.3 K (-4.74 %) |
| 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 %) |