Diane G. Gerst Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of Diane G. Gerst. Diane G. Gerst is Corp. SVP of Quality Assurance in Amphastar Pharmaceuticals, Inc. ($AMPH) and Director in Amphastar Pharmaceuticals, Inc. ($AMPH) and EVP, QA & Regulatory Affairs in Amphastar Pharmaceuticals, Inc. ($AMPH).
Latest Insider Trading Transactions of Diane G. Gerst
| 1 Week | 2 Weeks | 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | |
|---|---|---|---|---|---|---|---|
| No. of Purchases | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Purchases ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| No. of Sales | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Value of Sales ($) | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Date | Ticker | Company | Owner | Relationship | Transaction | Code | Cost ($) | Shares | Transaction Value ($) | Total Shares | % Holdings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 08 2021 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Director | Option Exercise | A | 19.52 | 8,592 | 167,716 | 8,592 | |
| Jun 08 2021 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Director | Grant | A | 0.00 | 3,009 | 0 | 8,679 | 5.7 K to 8.7 K (+53.07 %) |
| Jun 09 2020 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Director | Option Exercise | A | 20.08 | 8,003 | 160,700 | 8,003 | |
| Jun 09 2020 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Director | Grant | A | 0.00 | 2,925 | 0 | 5,670 | 2.7 K to 5.7 K (+106.56 %) |
| Jun 13 2019 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Director | Option Exercise | A | 20.03 | 6,959 | 139,389 | 6,959 | |
| Jun 13 2019 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Director | Grant | A | 0.00 | 2,745 | 0 | 2,745 | 0 to 2.7 K |
| Dec 19 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 19.48 | 523 | 10,186 | 30,164 | 30.7 K to 30.2 K (-1.70 %) |
| Dec 14 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 18.96 | 523 | 9,917 | 30,687 | 31.2 K to 30.7 K (-1.68 %) |
| Nov 30 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 18.15 | 523 | 9,493 | 31,210 | 31.7 K to 31.2 K (-1.65 %) |
| Nov 21 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 18.81 | 523 | 9,839 | 31,733 | 32.3 K to 31.7 K (-1.62 %) |
| Nov 17 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 17.77 | 523 | 9,292 | 32,256 | 32.8 K to 32.3 K (-1.60 %) |
| Nov 09 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 17.93 | 523 | 9,375 | 32,779 | 33.3 K to 32.8 K (-1.57 %) |
| Oct 26 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 18.29 | 523 | 9,568 | 33,302 | 33.8 K to 33.3 K (-1.55 %) |
| Oct 19 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 18.48 | 523 | 9,665 | 33,825 | 34.3 K to 33.8 K (-1.52 %) |
| Oct 06 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | M | 11.33 | 8,444 | 95,671 | 25,330 | |
| Oct 06 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 18.87 | 8,444 | 159,376 | 34,348 | 42.8 K to 34.3 K (-19.73 %) |
| Oct 06 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Buy | M | 11.33 | 8,444 | 95,671 | 42,792 | 34.3 K to 42.8 K (+24.58 %) |
| Jun 16 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Payment of Exercise | F | 16.18 | 146 | 2,362 | 34,348 | 34.5 K to 34.3 K (-0.42 %) |
| Apr 17 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Payment of Exercise | F | 14.80 | 754 | 11,159 | 34,494 | 35.2 K to 34.5 K (-2.14 %) |
| Mar 28 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Payment of Exercise | F | 13.76 | 614 | 8,449 | 35,248 | 35.9 K to 35.2 K (-1.71 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | A | 13.35 | 27,088 | 361,625 | 27,088 | |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Payment of Exercise | F | 13.75 | 1,194 | 16,418 | 35,862 | 37.1 K to 35.9 K (-3.22 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Grant | A | 0.00 | 10,861 | 0 | 37,056 | 26.2 K to 37.1 K (+41.46 %) |
| Dec 16 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 20.51 | 2,940 | 60,287 | 26,195 | 29.1 K to 26.2 K (-10.09 %) |
| Aug 19 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | M | 10.93 | 14,000 | 153,020 | 14,000 | |
| Aug 19 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | M | 14.23 | 10,046 | 142,955 | 4,954 | |
| Aug 19 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 19.28 | 24,046 | 463,607 | 28,985 | 53 K to 29 K (-45.34 %) |
| Aug 19 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Buy | M | 10.93 | 14,000 | 153,020 | 53,031 | 39 K to 53 K (+35.87 %) |
| Aug 19 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Buy | M | 14.23 | 10,046 | 142,955 | 39,031 | 29 K to 39 K (+34.66 %) |
| May 19 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 13.97 | 1,427 | 19,939 | 28,649 | 30.1 K to 28.6 K (-4.74 %) |
| Mar 29 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Payment of Exercise | F | 11.96 | 614 | 7,343 | 32,244 | 32.9 K to 32.2 K (-1.87 %) |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | A | 11.33 | 33,774 | 382,659 | 33,774 | |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Grant | A | 0.00 | 11,253 | 0 | 32,858 | 21.6 K to 32.9 K (+52.09 %) |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | M | 10.48 | 5,607 | 58,761 | 6,183 | |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | M | 10.48 | 8,210 | 86,041 | 11,790 | |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | M | 11.41 | 6,000 | 68,460 | 9,000 | |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 13.04 | 5,607 | 73,125 | 30,076 | 35.7 K to 30.1 K (-15.71 %) |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Buy | M | 10.48 | 5,607 | 58,761 | 35,683 | 30.1 K to 35.7 K (+18.64 %) |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Sell | S | 12.83 | 15,637 | 200,649 | 30,076 | 45.7 K to 30.1 K (-34.21 %) |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Buy | M | 11.41 | 6,000 | 68,460 | 45,713 | 39.7 K to 45.7 K (+15.11 %) |
| Apr 20 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Buy | M | 10.48 | 8,210 | 86,041 | 39,713 | 31.5 K to 39.7 K (+26.06 %) |
| Apr 18 2016 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Payment of Exercise | F | 12.66 | 741 | 9,381 | 31,503 | 32.2 K to 31.5 K (-2.30 %) |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Option Exercise | A | 16.19 | 4,685 | 75,850 | 4,685 | |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Grant | A | 0.00 | 1,544 | 0 | 20,178 | 18.6 K to 20.2 K (+8.29 %) |
| Jun 17 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | EVP, QA & Regulator ... | Payment of Exercise | F | 15.22 | 862 | 13,120 | 18,634 | 19.5 K to 18.6 K (-4.42 %) |
| Apr 10 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Corp. SVP of Qualit ... | Option Exercise | A | 14.80 | 10,000 | 148,000 | 0 | |
| Apr 10 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Corp. SVP of Qualit ... | Sell | S | 15.79 | 10,000 | 157,900 | 19,496 | 29.5 K to 19.5 K (-33.90 %) |
| Apr 10 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Corp. SVP of Qualit ... | Buy | M | 14.80 | 10,000 | 148,000 | 29,496 | 19.5 K to 29.5 K (+51.29 %) |
| Mar 30 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Corp. SVP of Qualit ... | Option Exercise | A | 14.95 | 20,028 | 299,419 | 20,028 | |
| Mar 30 2015 | AMPH | Amphastar Pharmace ... | Gerst Diane G. | Corp. SVP of Qualit ... | Grant | A | 0.00 | 6,688 | 0 | 19,496 | 12.8 K to 19.5 K (+52.22 %) |
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