Mary Z. Luo serves as Executive at Amphastar Pharmaceuticals, Inc., where they oversee executive responsibilities. Since joining the company, Mary Z. Luo has executed 83 insider transactions totaling $33.9M, demonstrating a bearish approach to their equity position. Their most recent transaction on Mar 15, 2018 involved receiving (via award) 98,029 shares valued at $0.
Mary Z. Luo currently holds 2,433,554 shares of Amphastar Pharmaceuticals, Inc. (AMPH), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mary Z. Luo has been a net seller of AMPH stock. They have purchased $0 and sold $33.9M worth of shares.
Mary Z. Luo's most recent insider trade was on Mar 15, 2018, when they sold 98,029 shares at $0.00 per share.
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| $N/A |
| Discretionary |
| Dec 15, 2017 | AMPH | $7.7M | Option Exercise | 639,584 | $12.02 | Discretionary |
| Dec 15, 2017 | AMPH | $10.1M | Payment | 524,266 | $19.30 | Discretionary |
| Dec 15, 2017 | AMPH | $4.5M | Option Exercise | 373,091 | $12.02 | Discretionary |
| Dec 15, 2017 | AMPH | $5.9M | Payment | 305,823 | $19.30 | Discretionary |
| Nov 13, 2017 | AMPH | $3.8M | Option Exercise | 319,792 | $12.02 | Discretionary |
| Nov 13, 2017 | AMPH | $2.2M | Option Exercise | 186,545 | $12.02 | Discretionary |
| Sep 13, 2017 | AMPH | $2.4M | Payment | 153,882 | $15.86 | Discretionary |
| Sep 13, 2017 | AMPH | $2.0M | Option Exercise | 176,987 | $11.53 | Discretionary |
| Sep 13, 2017 | AMPH | $1.6M | Option Exercise | 138,632 | $11.53 | Discretionary |
| Sep 13, 2017 | AMPH | $1.9M | Payment | 120,504 | $15.87 | Discretionary |
| Dec 11, 2015 | AMPH | $211.7K | Sale | 15,066 | $14.05 | Discretionary |
| Dec 10, 2015 | AMPH | $313.8K | Sale | 21,915 | $14.32 | Discretionary |
| Dec 9, 2015 | AMPH | $376.1K | Sale | 26,319 | $14.29 | Discretionary |
| Aug 17, 2015 | AMPH | $110.0K | Option Exercise | 8,481 | $12.97 | Discretionary |
| Aug 17, 2015 | AMPH | $110.0K | Option Exercise | 8,481 | $12.97 | Discretionary |
| Jun 9, 2015 | AMPH | $417.4K | Sale | 25,700 | $16.24 | Discretionary |
| Jun 9, 2015 | AMPH | $367.4K | Option Exercise | 28,324 | $12.97 | Discretionary |
| Jun 9, 2015 | AMPH | $415.9K | Sale | 25,800 | $16.12 | Discretionary |
| Jun 9, 2015 | AMPH | $368.8K | Option Exercise | 28,433 | $12.97 | Discretionary |
| Jun 8, 2015 | AMPH | $390.0K | Option Exercise | 30,066 | $12.97 | Discretionary |
| Jun 8, 2015 | AMPH | $448.8K | Sale | 27,020 | $16.61 | Discretionary |
| Jun 8, 2015 | AMPH | $450.1K | Sale | 27,100 | $16.61 | Discretionary |
| Jun 8, 2015 | AMPH | $391.1K | Option Exercise | 30,152 | $12.97 | Discretionary |
| Jun 5, 2015 | AMPH | $635.3K | Option Exercise | 48,980 | $12.97 | Discretionary |
| Jun 5, 2015 | AMPH | $726.7K | Sale | 44,149 | $16.46 | Discretionary |
| Jun 5, 2015 | AMPH | $724.5K | Sale | 43,989 | $16.47 | Discretionary |
| Jun 5, 2015 | AMPH | $650.6K | Option Exercise | 50,162 | $12.97 | Discretionary |
| Mar 27, 2015 | AMPH | $133.3K | Payment | 8,641 | $15.43 | Discretionary |