WILLIAM J PETERS Insider Trading Transactions
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General | Insider Transactions | Monthly Overview
Get the latest insider transactions of WILLIAM J PETERS. WILLIAM J PETERS is CFO, EVP & Treasurer in Amphastar Pharmaceuticals, Inc. ($AMPH) and CFO, SVP & Treasurer in Amphastar Pharmaceuticals, Inc. ($AMPH).
Latest Insider Trading Transactions of WILLIAM J PETERS
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 20 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, EVP & Treasure ... | Option Exercise | A | 19.82 | 7,209 | 142,882 | 7,209 | |
| May 20 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, EVP & Treasure ... | Grant | A | 0.00 | 3,047 | 0 | 111,349 | 108.3 K to 111.3 K (+2.81 %) |
| 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 ... | 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 %) |
| Jan 20 2021 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 18.67 | 6,495 | 121,237 | 89,548 | 96 K to 89.5 K (-6.76 %) |
| Aug 18 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 20.36 | 5,512 | 112,223 | 95,652 | 101.2 K to 95.7 K (-5.45 %) |
| Jul 08 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 11.33 | 10,000 | 113,300 | 39,800 | |
| Jul 08 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 22.00 | 13,656 | 300,405 | 101,164 | 114.8 K to 101.2 K (-11.89 %) |
| Jul 08 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 11.33 | 10,000 | 113,300 | 114,820 | 104.8 K to 114.8 K (+9.54 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | A | 13.03 | 94,350 | 1,229,381 | 94,350 | |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 14.50 | 3,434 | 49,793 | 104,038 | 107.5 K to 104 K (-3.20 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Grant | A | 0.00 | 40,291 | 0 | 107,472 | 67.2 K to 107.5 K (+59.97 %) |
| Mar 18 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 13.03 | 2,915 | 37,982 | 67,181 | 70.1 K to 67.2 K (-4.16 %) |
| Mar 17 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 14.19 | 4,178 | 59,286 | 70,096 | 74.3 K to 70.1 K (-5.63 %) |
| Mar 17 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 14.43 | 1,737 | 25,058 | 74,274 | 76 K to 74.3 K (-2.29 %) |
| Mar 17 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 13.66 | 2,964 | 40,481 | 76,011 | 79 K to 76 K (-3.75 %) |
| Jan 23 2020 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 20.07 | 3,990 | 80,071 | 78,975 | 83 K to 79 K (-4.81 %) |
| Sep 18 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 11.33 | 9,800 | 111,034 | 49,800 | |
| Sep 18 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 21.76 | 9,800 | 213,256 | 82,453 | 92.3 K to 82.5 K (-10.62 %) |
| Sep 18 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 11.33 | 9,800 | 111,034 | 92,253 | 82.5 K to 92.3 K (+11.89 %) |
| Aug 16 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 21.00 | 4,942 | 103,782 | 82,453 | 87.4 K to 82.5 K (-5.65 %) |
| Mar 27 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 20.54 | 2,553 | 52,439 | 86,339 | 88.9 K to 86.3 K (-2.87 %) |
| Mar 19 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | A | 20.23 | 57,725 | 1,167,777 | 57,725 | |
| Mar 19 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 20.23 | 5,228 | 105,762 | 88,892 | 94.1 K to 88.9 K (-5.55 %) |
| Mar 19 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 20.23 | 4,437 | 89,761 | 94,120 | 98.6 K to 94.1 K (-4.50 %) |
| Mar 19 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 20.23 | 2,944 | 59,557 | 98,557 | 101.5 K to 98.6 K (-2.90 %) |
| Mar 19 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Grant | A | 0.00 | 25,951 | 0 | 101,501 | 75.6 K to 101.5 K (+34.35 %) |
| Mar 06 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 13.35 | 1,500 | 20,025 | 72,548 | |
| Mar 06 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 25.36 | 1,500 | 38,037 | 75,550 | 77.1 K to 75.6 K (-1.95 %) |
| Mar 06 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 13.35 | 1,500 | 20,025 | 77,050 | 75.6 K to 77.1 K (+1.99 %) |
| Feb 15 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 13.35 | 10,016 | 133,714 | 74,048 | |
| Feb 15 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 24.37 | 10,016 | 244,090 | 75,550 | 85.6 K to 75.6 K (-11.71 %) |
| Feb 15 2019 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 13.35 | 10,016 | 133,714 | 85,566 | 75.6 K to 85.6 K (+13.26 %) |
| Dec 04 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 11.33 | 10,000 | 113,300 | 59,600 | |
| Dec 04 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 22.40 | 10,000 | 224,001 | 78,795 | 88.8 K to 78.8 K (-11.26 %) |
| Dec 04 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 11.33 | 10,000 | 113,300 | 88,795 | 78.8 K to 88.8 K (+12.69 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 11.33 | 10,000 | 113,300 | 69,600 | |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 11.33 | 19,800 | 224,334 | 79,600 | |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 20.61 | 3,172 | 65,366 | 78,152 | 81.3 K to 78.2 K (-3.90 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 21.47 | 10,000 | 214,723 | 81,324 | 91.3 K to 81.3 K (-10.95 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 11.33 | 10,000 | 113,300 | 91,324 | 81.3 K to 91.3 K (+12.30 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 20.85 | 8,528 | 177,786 | 81,324 | 89.9 K to 81.3 K (-9.49 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 20.26 | 16,784 | 340,098 | 89,852 | 106.6 K to 89.9 K (-15.74 %) |
| Nov 13 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 11.33 | 19,800 | 224,334 | 106,636 | 86.8 K to 106.6 K (+22.80 %) |
| Aug 17 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 17.59 | 2,407 | 42,333 | 86,836 | 89.2 K to 86.8 K (-2.70 %) |
| Jul 11 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 16.46 | 3,250 | 53,498 | 89,243 | 92.5 K to 89.2 K (-3.51 %) |
| Apr 23 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 19.31 | 1,273 | 24,582 | 91,374 | 92.6 K to 91.4 K (-1.37 %) |
| Mar 28 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 18.61 | 1,677 | 31,209 | 92,647 | 94.3 K to 92.6 K (-1.78 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 19.91 | 3,434 | 68,371 | 94,324 | 97.8 K to 94.3 K (-3.51 %) |
| Mar 20 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 19.91 | 2,915 | 58,038 | 97,758 | 100.7 K to 97.8 K (-2.90 %) |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | A | 19.79 | 51,921 | 1,027,517 | 51,921 | |
| Mar 16 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Grant | A | 0.00 | 22,359 | 0 | 100,673 | 78.3 K to 100.7 K (+28.55 %) |
| Mar 15 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | M | 11.33 | 19,801 | 224,345 | 99,400 | |
| Mar 15 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 20.10 | 19,801 | 398,004 | 78,314 | 98.1 K to 78.3 K (-20.18 %) |
| Mar 15 2018 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Buy | M | 11.33 | 19,801 | 224,345 | 98,115 | 78.3 K to 98.1 K (+25.28 %) |
| Dec 05 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 19.67 | 6,226 | 122,465 | 78,314 | 84.5 K to 78.3 K (-7.36 %) |
| Oct 13 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 18.56 | 3,026 | 56,176 | 83,496 | 86.5 K to 83.5 K (-3.50 %) |
| Jun 01 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 16.93 | 4,297 | 72,731 | 86,522 | 90.8 K to 86.5 K (-4.73 %) |
| Apr 25 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 14.74 | 1,384 | 20,400 | 90,819 | 92.2 K to 90.8 K (-1.50 %) |
| Mar 28 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 13.76 | 1,823 | 25,084 | 92,203 | 94 K to 92.2 K (-1.94 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | A | 13.35 | 84,064 | 1,122,254 | 84,064 | |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 13.75 | 3,704 | 50,930 | 94,026 | 97.7 K to 94 K (-3.79 %) |
| Mar 20 2017 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Grant | A | 0.00 | 33,707 | 0 | 97,730 | 64 K to 97.7 K (+52.65 %) |
| Aug 15 2016 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 18.19 | 1,027 | 18,681 | 63,625 | 64.7 K to 63.6 K (-1.59 %) |
| Jul 19 2016 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 17.76 | 2,297 | 40,795 | 64,652 | 66.9 K to 64.7 K (-3.43 %) |
| Jun 03 2016 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Sell | S | 16.00 | 2,297 | 36,752 | 66,949 | 69.2 K to 66.9 K (-3.32 %) |
| Mar 29 2016 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 11.96 | 1,823 | 21,803 | 70,629 | 72.5 K to 70.6 K (-2.52 %) |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | A | 11.33 | 119,201 | 1,350,547 | 119,201 | |
| Mar 21 2016 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Grant | A | 0.00 | 39,717 | 0 | 72,452 | 32.7 K to 72.5 K (+121.33 %) |
| Apr 22 2016 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 13.05 | 1,383 | 18,048 | 69,246 | 70.6 K to 69.2 K (-1.96 %) |
| Apr 23 2015 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Payment of Exercise | F | 15.21 | 1,384 | 21,051 | 32,735 | 34.1 K to 32.7 K (-4.06 %) |
| Mar 30 2015 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Option Exercise | A | 14.95 | 58,074 | 868,206 | 58,074 | |
| Mar 30 2015 | AMPH | Amphastar Pharmace ... | PETERS WILLIAM J | CFO, SVP & Treasure ... | Grant | A | 0.00 | 19,397 | 0 | 34,119 | 14.7 K to 34.1 K (+131.76 %) |
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