Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Amphastar Pharmaceuticals, Inc. (AMPH) since 2015 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Amphastar Pharmaceuticals, Inc.. (See page 1 of this report.) Table 2 shows the detailed insider transactions. This company's CIK number is 1297184.
Total stock buying since 2015: $663,089.
Total stock sales since 2015: $141,577,042.
Total stock option exercises since 2015: $122,096,970.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2025 | 0 | $0 | 8,231 | $221,210 | 709,180 | $10,075,817 |
| 2024 | 0 | $0 | 478,334 | $26,170,738 | 1,323,218 | $17,236,071 |
| 2023 | 0 | $0 | 372,394 | $18,304,754 | 336,159 | $5,499,331 |
| 2022 | 0 | $0 | 517,814 | $17,247,968 | 262,675 | $4,008,230 |
| 2021 | 0 | $0 | 483,856 | $9,511,266 | 250,377 | $3,597,988 |
| 2020 | 1,000 | $20,260 | 387,708 | $7,334,789 | 346,975 | $4,889,664 |
| 2019 | 0 | $0 | 523,458 | $11,135,018 | 882,731 | $13,662,463 |
| 2018 | 40,000 | $642,829 | 761,490 | $15,868,438 | 875,137 | $11,070,247 |
| 2017 | 0 | $0 | 262,119 | $4,727,217 | 2,714,478 | $31,859,283 |
| 2016 | 0 | $0 | 804,525 | $16,011,135 | 753,011 | $11,420,466 |
| 2015 | 0 | $0 | 977,046 | $15,044,509 | 691,800 | $8,777,410 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2019-09-13 | Liawatidewi Yakob (SVP Corp Admin Center) | Sale | 3,000 | 21.45 | 64,341 |
| 2019-09-11 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 300,000 | 20.82 | 6,246,000 |
| 2019-09-06 | Liawatidewi Yakob (SVP Corp Admin Center) | Sale | 2,395 | 21.90 | 52,455 |
| 2019-09-05 | Liawatidewi Yakob (SVP Corp Admin Center) | Sale | 1,515 | 21.24 | 32,183 |
| 2019-08-26 | Prins Richard K (Director) | Sale | 3,618 | 22.60 | 81,766 |
| 2019-08-26 | Prins Richard K (Director) | Option Ex | 3,618 | 15.11 | 54,667 |
| 2019-08-23 | Prins Richard K (Director) | Sale | 3,882 | 22.58 | 87,655 |
| 2019-08-23 | Prins Richard K (Director) | Option Ex | 3,882 | 15.11 | 58,657 |
| 2019-08-15 | Peters William J (CFO, SVP & Treasurer) | Sale | 4,942 | 21.00 | 103,782 |
| 2019-08-13 | Liawatidewi Yakob (SVP Corp Admin Center) | Sale | 5,000 | 20.73 | 103,655 |
| 2019-08-13 | Liawatidewi Yakob (SVP Corp Admin Center) | Option Ex | 5,000 | 10.93 | 54,650 |
| 2019-08-13 | Prins Richard K (Director) | Sale | 10,000 | 20.78 | 207,780 |
| 2019-08-13 | Prins Richard K (Director) | Option Ex | 10,000 | 15.11 | 151,100 |
| 2019-08-12 | Liawatidewi Yakob (SVP Corp Admin Center) | Sale | 10,518 | 20.44 | 214,966 |
| 2019-08-12 | Liawatidewi Yakob (SVP Corp Admin Center) | Option Ex | 5,000 | 10.93 | 54,650 |
| 2019-07-10 | Shandell Jason B. (President and General Counsel) | Sale | 6,615 | 20.31 | 134,330 |
| 2019-05-06 | Zhou Rong (EVP, Production Center) | Sale | 9,600 | 22.76 | 218,496 |
| 2019-05-06 | Zhou Rong (EVP, Production Center) | Option Ex | 9,600 | 20.26 | 194,496 |
| 2019-05-01 | Shandell Jason B. (President and General Counsel) | Sale | 10,000 | 21.97 | 219,700 |
| 2019-05-01 | Shandell Jason B. (President and General Counsel) | Option Ex | 10,000 | 10.93 | 109,300 |
| 2019-04-16 | Shandell Jason B. (President and General Counsel) | Sale | 9,478 | 20.67 | 195,881 |
| 2019-03-15 | Luo Mary Z. (COO Chief Scientist & Chairman) | Option Ex | 739,520 | 15.84 | 11,713,996 |
| 2019-03-15 | Shandell Jason B. (President and General Counsel) | Sale | 24,508 | 20.34 | 498,443 |
| 2019-03-15 | Shandell Jason B. (President and General Counsel) | Option Ex | 24,508 | 10.93 | 267,872 |
| 2019-03-14 | Shandell Jason B. (President and General Counsel) | Sale | 7,828 | 20.37 | 159,487 |
| 2019-03-04 | Peters William J (CFO, SVP & Treasurer) | Sale | 1,500 | 25.36 | 38,037 |
| 2019-03-04 | Peters William J (CFO, SVP & Treasurer) | Option Ex | 1,500 | 13.35 | 20,025 |
| 2019-03-01 | Zhou Rong (EVP, Production Center) | Sale | 3,200 | 25.00 | 80,000 |
| 2019-03-01 | Zhou Rong (EVP, Production Center) | Option Ex | 3,200 | 20.26 | 64,832 |
| 2019-03-01 | Shandell Jason B. (President and General Counsel) | Sale | 7,500 | 24.99 | 187,425 |
| 2019-03-01 | Shandell Jason B. (President and General Counsel) | Option Ex | 7,500 | 20.26 | 151,950 |
| 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 |
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.