Insider Trading activities of Amphastar Pharmaceuticals, Inc. insiders.

Monthly summaries of insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Amphastar Pharmaceuticals, Inc. since 2005 are illustrated in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Amphastar Pharmaceuticals, Inc. since year 2005. Table 2 shows the detailed insider transactions of Amphastar Pharmaceuticals, Inc. since 2005. The reporting company's ticker symbol is AMPH. The reporting company's CIK number is 1297184.
The total value of stock buying since 2005 is $901,742.
The total value of stock sales since 2005 is $53,293,011.
The total value of stock option exercises since 2005 is $63,782,640.


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Table 1. Monthly summaries of insider stock purchases, sales, and option exercises for Amphastar Pharmaceuticals, Inc. (AMPH).
Trading Period Insider Buying Insider Sales Option Exercises
year-month Shares Value Shares Value Shares Value
2019-02 0 $0 42,089 $998,919 39,420 $548,517
2019-01 0 $0 28,925 $642,793 10,183 $106,717
2018-12 0 $0 457,855 $9,823,732 173,021 $2,433,672
2018-11 0 $0 182,853 $3,788,415 148,681 $1,926,375
2018-08 0 $0 12,407 $220,511 10,000 $146,600
2018-07 0 $0 17,649 $294,926 506,336 $6,087,677
2018-06 0 $0 15,000 $247,845 0 $0
2018-05 40,000 $642,829 0 $0 0 $0
2018-03 0 $0 57,099 $1,131,266 37,099 $475,923
2018-01 0 $0 18,627 $361,743 0 $0
2017-12 0 $0 23,000 $435,210 1,028,403 $12,344,780
2017-11 0 $0 41,402 $769,294 545,647 $6,511,054
2017-10 0 $0 139,038 $2,558,529 134,966 $1,458,309
2017-09 0 $0 0 $0 315,619 $3,639,087
2017-08 0 $0 10,000 $148,080 10,000 $107,700
2017-06 0 $0 25,000 $425,905 25,000 $269,250
2017-05 0 $0 23,279 $382,755 654,843 $7,529,103
2017-01 0 $0 400 $7,444 0 $0
2016-12 0 $0 3,401 $69,653 0 $0
2016-11 0 $0 72,729 $1,491,704 69,329 $882,344
2016-10 0 $0 400 $7,500 0 $0
2016-09 0 $0 514,576 $10,707,630 511,576 $8,222,732
2016-08 0 $0 160,525 $2,969,398 144,789 $1,994,376
2016-07 0 $0 2,297 $40,794 0 $0
2016-06 0 $0 21,252 $343,592 7,500 $106,725
2016-05 0 $0 5,701 $80,085 0 $0
2016-04 0 $0 21,244 $273,779 19,817 $214,289
2016-03 0 $0 2,400 $27,000 0 $0
2015-12 0 $0 440,774 $6,435,964 100,002 $1,168,019
2015-11 0 $0 35,301 $503,125 38,462 $449,236
2015-08 0 $0 14,500 $212,781 24,462 $300,772
2015-07 0 $0 15,384 $267,827 15,384 $179,684
2015-06 0 $0 400,635 $6,544,888 443,038 $5,746,200
2015-05 0 $0 32,452 $479,904 32,452 $371,099
2015-04 0 $0 38,000 $600,020 38,000 $562,400
2014-08 25,100 $258,913 0 $0 0 $0

Table 2. Detailed insider stock purchases, sales, and option exercises of Amphastar Pharmaceuticals, Inc. insiders (AMPH)
  Trade Date   Insider Name Trade Type     Shares       Price ($)   Value ($)
2019-02-15 Peters William J (CFO, SVP & Treasurer) Sale 10,016 24.37 244,089
2019-02-15 Peters William J (CFO, SVP & Treasurer) Option Ex 10,016 13.35 133,713
2019-02-14 Liawatidewi Yakob (SVP Corp Admin Center) Sale 4,868 24.00 116,832
2019-02-14 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 4,868 14.95 72,776
2019-02-14 Shandell Jason B. (President and General Counsel) Sale 7,519 23.99 180,380
2019-02-14 Shandell Jason B. (President and General Counsel) Option Ex 7,519 15.23 114,514
2019-02-12 Liawatidewi Yakob (SVP Corp Admin Center) Sale 4,000 23.70 94,800
2019-02-12 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 4,000 14.95 59,800
2019-02-05 Liawatidewi Yakob (SVP Corp Admin Center) Sale 11,397 23.18 264,171
2019-02-05 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 9,817 10.48 102,882
2019-02-05 Zhou Rong (EVP, Production Center) Sale 4,289 23.00 98,647
2019-02-05 Zhou Rong (EVP, Production Center) Option Ex 3,200 20.26 64,832
2019-01-23 Liawatidewi Yakob (SVP Corp Admin Center) Sale 4,000 22.65 90,600
2019-01-23 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 4,000 10.48 41,920
2019-01-23 Shandell Jason B. (President and General Counsel) Sale 15,497 22.67 351,285
2019-01-22 Liawatidewi Yakob (SVP Corp Admin Center) Sale 3,000 22.35 67,050
2019-01-22 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 3,000 10.48 31,440
2019-01-16 Liawatidewi Yakob (SVP Corp Admin Center) Sale 3,175 22.15 70,326
2019-01-16 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 3,175 10.48 33,274
2019-01-14 Liawatidewi Yakob (SVP Corp Admin Center) Sale 8 22.15 177
2019-01-14 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 8 10.48 83
2019-01-02 Peters William J (CFO, SVP & Treasurer) Sale 3,245 19.52 63,355
2018-12-14 Luo Mary Z. (COO,Chief Scientist & Chairman) Sale 43,577 20.48 892,326
2018-12-14 Prins Richard K (Director) Sale 1,616 20.65 33,370
2018-12-13 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 29,689 20.99 623,172
2018-12-13 Luo Mary Z. (COO,Chief Scientist & Chairman) Sale 29,689 20.99 623,172
2018-12-12 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 37,469 21.21 794,754
2018-12-12 Luo Mary Z. (COO,Chief Scientist & Chairman) Sale 37,469 21.21 794,754
2018-12-11 Koo Richard (Director) Sale 29,278 21.32 624,089
2018-12-11 Koo Richard (Director) Option Ex 29,278 14.66 429,215
2018-12-11 Applied Physics & Chemistry Laboratories, Inc. (10% Owner) Sale 66,757 21.78 1,454,167
2018-12-11 Luo Mary Z. (COO,Chief Scientist & Chairman) Sale 66,757 21.78 1,454,167
2018-12-10 Shohet Stephen B. (Director) Sale 58,557 21.72 1,271,799
2018-12-10 Shohet Stephen B. (Director) Option Ex 58,557 14.66 858,445
2018-12-07 Lee Howard (Director) Sale 9,278 21.89 203,067
2018-12-07 Lee Howard (Director) Option Ex 9,278 14.66 136,015
2018-12-06 Lee Howard (Director) Sale 10,000 21.18 211,810
2018-12-06 Lee Howard (Director) Option Ex 10,000 14.66 146,600
2018-12-04 Lee Howard (Director) Sale 10,000 22.20 221,950
2018-12-04 Lee Howard (Director) Option Ex 10,000 14.66 146,600
2018-12-03 Zhou Rong (EVP, Production Center) Sale 1,089 22.00 23,958
2018-12-03 Petersen Floyd F. (Director) Option Ex 29,278 14.66 429,215
2018-12-03 Shandell Jason B. (President and General Counsel) Sale 16,630 22.44 373,177
2018-12-03 Shandell Jason B. (President and General Counsel) Option Ex 16,630 10.48 174,282
2018-12-03 Peters William J (CFO, SVP & Treasurer) Sale 10,000 22.40 224,000
2018-12-03 Peters William J (CFO, SVP & Treasurer) Option Ex 10,000 11.33 113,300
2018-11-30 Liawatidewi Yakob (SVP Corp Admin Center) Sale 13,980 21.49 300,430
2018-11-30 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 11,500 20.26 232,990
2018-11-29 Prins Richard K (Director) Sale 5,000 20.50 102,500
2018-11-29 Prins Richard K (Director) Option Ex 5,000 14.66 73,300
2018-11-28 Liawatidewi Yakob (SVP Corp Admin Center) Sale 1,520 20.49 31,140
2018-11-23 Liawatidewi Yakob (SVP Corp Admin Center) Sale 1,299 20.26 26,315
2018-11-14 Shandell Jason B. (President and General Counsel) Sale 16,015 20.30 325,136
2018-11-14 Prins Richard K (Director) Sale 5,000 20.23 101,165
2018-11-14 Prins Richard K (Director) Option Ex 5,000 14.66 73,300
2018-11-14 Zasloff Michael A (Director) Sale 29,278 20.39 596,949
2018-11-14 Zasloff Michael A (Director) Option Ex 29,278 14.66 429,215
2018-11-12 Peters William J (CFO, SVP & Treasurer) Sale 3,172 20.61 65,365
2018-11-09 Liawatidewi Yakob (SVP Corp Admin Center) Sale 11,808 21.21 250,424
2018-11-09 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 9,807 14.31 140,387
2018-11-09 Zhou Rong (EVP, Production Center) Sale 1,089 21.00 22,869
2018-11-09 Shandell Jason B. (President and General Counsel) Sale 16,095 20.99 337,834
2018-11-09 Shandell Jason B. (President and General Counsel) Option Ex 16,095 10.46 168,353
2018-11-09 Peters William J (CFO, SVP & Treasurer) Sale 10,000 21.47 214,720
2018-11-09 Peters William J (CFO, SVP & Treasurer) Option Ex 10,000 11.33 113,300
2018-11-08 Liawatidewi Yakob (SVP Corp Admin Center) Sale 6,000 20.50 123,000
2018-11-08 Liawatidewi Yakob (SVP Corp Admin Center) Option Ex 6,000 11.41 68,460
2018-11-08 Zhou Rong (EVP, Production Center) Sale 1,084 20.00 21,680
2018-11-08 Shandell Jason B. (President and General Counsel) Sale 36,201 20.68 748,600
2018-11-08 Shandell Jason B. (President and General Counsel) Option Ex 36,201 11.12 402,736
2018-11-08 Peters William J (CFO, SVP & Treasurer) Sale 25,312 20.55 520,288
2018-11-08 Peters William J (CFO, SVP & Treasurer) Option Ex 19,800 11.33 224,334
2018-08-16 Peters William J (CFO, SVP & Treasurer) Sale 2,407 17.59 42,331
2018-08-14 Prins Richard K (Director) Sale 10,000 17.82 178,180
2018-08-14 Prins Richard K (Director) Option Ex 10,000 14.66 146,600
2018-07-11 Shandell Jason B. (President and General Counsel) Sale 14,399 16.77 241,428
2018-07-09 Peters William J (CFO, SVP & Treasurer) Sale 3,250 16.46 53,498
2018-07-02 Luo Mary Z. (COO,Chief Scientist & Chairman) Option Ex 506,336 12.02 6,087,677
2018-06-12 Zasloff Michael A (Director) Sale 15,000 16.52 247,845
2018-05-16 Luo Mary Z. (COO,Chief Scientist & Chairman) Buy 15,000 16.06 240,854
2018-05-15 Luo Mary Z. (COO,Chief Scientist & Chairman) Buy 25,000 16.08 401,975
2018-03-20 Shandell Jason B. (President and General Counsel) Sale 8,293 19.52 161,871
2018-03-19 Shandell Jason B. (President and General Counsel) Sale 11,707 19.37 226,764
2018-03-15 Prins Richard K (Director) Sale 16,598 19.90 330,316
2018-03-15 Prins Richard K (Director) Option Ex 16,598 14.66 243,326
2018-03-14 Shandell Jason B. (President and General Counsel) Sale 400 20.45 8,180
2018-03-14 Shandell Jason B. (President and General Counsel) Option Ex 400 11.79 4,716
2018-03-13 Shandell Jason B. (President and General Counsel) Sale 300 20.45 6,135
2018-03-13 Shandell Jason B. (President and General Counsel) Option Ex 300 11.79 3,536
2018-03-13 Peters William J (CFO, SVP & Treasurer) Sale 19,801 20.10 398,000
2018-03-13 Peters William J (CFO, SVP & Treasurer) Option Ex 19,801 11.33 224,345
2018-01-26 Shandell Jason B. (President and General Counsel) Sale 9,966 19.56 194,924
2018-01-25 Shandell Jason B. (President and General Counsel) Sale 8,661 19.26 166,819
2017-12-19 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 19.48 10,185
2017-12-15 Luo Mary Z. (COO, Chief Scientist/Chairman) Option Ex 1,012,675 12.02 12,175,391
2017-12-14 Shohet Stephen B. (Director) Sale 7,866 18.87 148,431
2017-12-14 Shohet Stephen B. (Director) Option Ex 7,866 10.77 84,716
2017-12-12 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 18.96 9,917
2017-12-07 Shohet Stephen B. (Director) Sale 7,862 18.34 144,212
2017-12-07 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-12-01 Peters William J (CFO, SVP & Treasurer) Sale 6,226 19.67 122,465
2017-11-30 Shohet Stephen B. (Director) Sale 7,862 19.25 151,343
2017-11-30 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-11-28 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 18.15 9,492
2017-11-22 Shohet Stephen B. (Director) Sale 7,862 18.94 148,898
2017-11-22 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-11-21 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 18.81 9,839
2017-11-16 Shohet Stephen B. (Director) Sale 7,862 18.04 141,861
2017-11-16 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-11-15 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 17.77 9,291
2017-11-13 Luo Mary Z. (COO,Chief Scientist & Chairman) Option Ex 506,337 12.02 6,087,689
2017-11-09 Shohet Stephen B. (Director) Sale 7,862 18.41 144,739
2017-11-09 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-11-07 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 17.93 9,375
2017-11-02 Shohet Stephen B. (Director) Sale 7,862 18.37 144,456
2017-11-02 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-10-26 Shohet Stephen B. (Director) Sale 7,862 18.39 144,621
2017-10-26 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-10-24 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 18.29 9,567
2017-10-19 Shohet Stephen B. (Director) Sale 7,862 18.34 144,196
2017-10-19 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-10-17 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 523 18.48 9,665
2017-10-13 Peters William J (CFO, SVP & Treasurer) Sale 3,026 18.57 56,177
2017-10-12 Shohet Stephen B. (Director) Sale 7,862 18.73 147,215
2017-10-12 Shohet Stephen B. (Director) Option Ex 7,862 10.77 84,673
2017-10-05 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 8,444 18.88 159,380
2017-10-05 Gerst Diane G. (EVP, QA & Regulatory Affairs) Option Ex 8,444 11.33 95,670
2017-10-04 Petersen Floyd F. (Director) Sale 39,312 18.59 730,770
2017-10-04 Petersen Floyd F. (Director) Option Ex 39,312 10.77 423,390
2017-10-02 Zasloff Michael A (Director) Sale 63,624 18.18 1,156,938
2017-10-02 Zasloff Michael A (Director) Option Ex 63,624 10.77 685,230
2017-09-13 Luo Mary Z. (COO,Chief Scientist & Chairman) Option Ex 315,619 11.53 3,639,087
2017-08-15 Prins Richard K (Director) Sale 5,000 14.82 74,085
2017-08-15 Prins Richard K (Director) Option Ex 5,000 10.77 53,850
2017-08-14 Prins Richard K (Director) Sale 5,000 14.80 73,995
2017-08-14 Prins Richard K (Director) Option Ex 5,000 10.77 53,850
2017-06-09 Prins Richard K (Director) Sale 10,000 17.07 170,710
2017-06-09 Prins Richard K (Director) Option Ex 10,000 10.77 107,700
2017-06-01 Zasloff Michael A (Director) Sale 15,000 17.01 255,195
2017-06-01 Zasloff Michael A (Director) Option Ex 15,000 10.77 161,550
2017-05-31 Shandell Jason B. (President and General Counsel) Sale 3,654 17.26 63,071
2017-05-30 Shandell Jason B. (President and General Counsel) Sale 7,828 16.76 131,228
2017-05-30 Peters William J (CFO, SVP & Treasurer) Sale 4,297 16.93 72,731
2017-05-23 Luo Mary Z. (COO,Chief Scientist & Chairman) Option Ex 647,343 11.51 7,448,328
2017-05-11 Prins Richard K (Director) Sale 7,500 15.43 115,725
2017-05-11 Prins Richard K (Director) Option Ex 7,500 10.77 80,775
2017-01-03 Petersen Floyd F. (Director) Sale 400 18.61 7,444
2016-12-15 Gerst Diane G. (EVP, QA & Regulatory Affairs) Sale 2,940 20.51 60,287
2016-12-05 Zhou Rong (EVP, Production Center) Sale 61 20.70 1,262
2016-12-01 Petersen Floyd F. (Director) Sale 400 20.26 8,104
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Insider trading activities including stock purchases, stock sales, and option exercises of AMPH listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Amphastar Pharmaceuticals, Inc. (symbol AMPH, CIK number 1297184) see the Securities and Exchange Commission (SEC) website.