Insider Stock Trading History of Luo Mary Z.


The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Luo Mary Z. since year 2005. The trader's CIK number is 1611156. At the time of this reporting, Luo Mary Z. is the COO,Chief Scientist & Chairman of Amphastar Pharmaceuticals, Inc. . (stock ticker symbol AMPH). See this page for all insider trading activities at Amphastar Pharmaceuticals, Inc. .


Stock purchases, sales, and option exercises reported by insider Luo Mary Z. since 2005.
  Trade Date   Symbol Company Name (Issuer) Trade Type     Shares       Price ($)   Value ($)
2017-11-13 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 506,337 12.02 6,087,689
2017-09-13 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 315,619 11.53 3,639,087
2017-05-23 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 647,343 11.51 7,448,328
2016-09-20 AMPH Amphastar Pharmaceuticals, Inc. Sale 389,118 21.03 8,183,540
2016-09-21 AMPH Amphastar Pharmaceuticals, Inc. Sale 55,081 21.07 1,160,776
2016-09-20 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 389,118 16.75 6,518,893
2016-09-21 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 55,081 16.75 922,771
2015-12-11 AMPH Amphastar Pharmaceuticals, Inc. Sale 15,066 14.05 211,737
2015-12-10 AMPH Amphastar Pharmaceuticals, Inc. Sale 21,915 14.32 313,888
2015-12-09 AMPH Amphastar Pharmaceuticals, Inc. Sale 26,319 14.29 376,124
2015-12-08 AMPH Amphastar Pharmaceuticals, Inc. Sale 24,359 14.50 353,108
2015-12-04 AMPH Amphastar Pharmaceuticals, Inc. Sale 28,712 14.95 429,301
2015-12-07 AMPH Amphastar Pharmaceuticals, Inc. Sale 15,046 14.59 219,491
2015-12-01 AMPH Amphastar Pharmaceuticals, Inc. Sale 20,000 15.49 309,780
2015-12-03 AMPH Amphastar Pharmaceuticals, Inc. Sale 18,583 15.41 286,456
2015-08-17 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 16,962 12.97 219,997
2015-06-15 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 50,061 12.97 649,291
2015-06-15 AMPH Amphastar Pharmaceuticals, Inc. Sale 45,382 16.29 739,454
2015-06-12 AMPH Amphastar Pharmaceuticals, Inc. Sale 114,089 16.16 1,843,450
2015-06-11 AMPH Amphastar Pharmaceuticals, Inc. Sale 23,264 16.47 383,134
2015-06-12 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 125,476 12.97 1,627,423
2015-06-10 AMPH Amphastar Pharmaceuticals, Inc. Sale 23,142 16.38 378,973
2015-06-11 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 25,790 12.97 334,496
2015-06-10 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 25,594 12.97 331,954
2015-06-05 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 99,142 12.97 1,285,871
2015-06-05 AMPH Amphastar Pharmaceuticals, Inc. Sale 88,138 16.46 1,451,192
2015-06-08 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 60,218 12.97 781,027
2015-06-09 AMPH Amphastar Pharmaceuticals, Inc. Option Ex 56,757 12.97 736,138
2015-06-08 AMPH Amphastar Pharmaceuticals, Inc. Sale 54,120 16.61 898,987
2015-06-09 AMPH Amphastar Pharmaceuticals, Inc. Sale 51,500 16.18 833,218

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Luo Mary Z. (COO,Chief Scientist & Chairman of Amphastar Pharmaceuticals, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.