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 ($) |
|---|---|---|---|---|---|
| 2022-03-15 | Peters William J (CFO, EVP & Treasurer) | Sale | 7,900 | 34.46 | 272,249 |
| 2022-03-15 | Prins Richard K | Sale | 10,000 | 34.02 | 340,210 |
| 2022-03-15 | Prins Richard K | Option Ex | 10,000 | 17.11 | 171,100 |
| 2022-03-07 | Peters William J (CFO, EVP & Treasurer) | Sale | 13,026 | 29.35 | 382,313 |
| 2022-03-07 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 13,026 | 13.35 | 173,897 |
| 2022-03-01 | Petersen Floyd F. | Sale | 500 | 27.27 | 13,635 |
| 2022-02-08 | Zhou Rong (EVP, Production Center) | Sale | 7,000 | 26.77 | 187,390 |
| 2022-02-08 | Zhou Rong (EVP, Production Center) | Option Ex | 7,000 | 10.93 | 76,510 |
| 2022-02-08 | Peters William J (CFO, EVP & Treasurer) | Sale | 10,000 | 26.95 | 269,500 |
| 2022-02-08 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 10,000 | 14.95 | 149,500 |
| 2022-02-01 | Petersen Floyd F. | Sale | 500 | 23.80 | 11,901 |
| 2022-01-10 | Zhou Rong (EVP, Production Center) | Sale | 20,928 | 25.37 | 530,859 |
| 2022-01-10 | Zhou Rong (EVP, Production Center) | Option Ex | 14,000 | 10.93 | 153,020 |
| 2022-01-10 | Peters William J (CFO, EVP & Treasurer) | Sale | 16,000 | 25.40 | 406,400 |
| 2022-01-10 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 16,000 | 14.40 | 230,400 |
| 2022-01-07 | Peters William J (CFO, EVP & Treasurer) | Sale | 31,776 | 24.52 | 779,306 |
| 2022-01-07 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 31,776 | 14.40 | 457,574 |
| 2022-01-03 | Petersen Floyd F. | Sale | 500 | 23.22 | 11,608 |
| 2021-12-30 | Peters William J (CFO, EVP & Treasurer) | Sale | 20,000 | 23.40 | 468,000 |
| 2021-12-30 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 20,000 | 14.40 | 288,000 |
| 2021-12-22 | Petersen Floyd F. | Sale | 1,000 | 22.50 | 22,503 |
| 2021-12-21 | Peters William J (CFO, EVP & Treasurer) | Sale | 8,256 | 22.40 | 184,934 |
| 2021-12-21 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 8,256 | 14.40 | 118,886 |
| 2021-12-16 | Peters William J (CFO, EVP & Treasurer) | Sale | 1,744 | 22.40 | 39,065 |
| 2021-12-16 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 1,744 | 14.40 | 25,113 |
| 2021-12-10 | Prins Richard K | Sale | 5,291 | 21.36 | 113,005 |
| 2021-12-10 | Prins Richard K | Option Ex | 5,291 | 17.11 | 90,529 |
| 2021-11-22 | Prins Richard K | Sale | 5,000 | 21.22 | 106,100 |
| 2021-11-22 | Prins Richard K | Option Ex | 5,000 | 17.11 | 85,550 |
| 2021-11-11 | Zhou Rong (EVP, Production Center) | Sale | 7,813 | 21.67 | 169,307 |
| 2021-11-11 | Zhou Rong (EVP, Production Center) | Option Ex | 7,813 | 10.48 | 81,880 |
| 2021-11-11 | Peters William J (CFO, EVP & Treasurer) | Sale | 10,000 | 21.33 | 213,299 |
| 2021-11-11 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 10,000 | 11.33 | 113,300 |
| 2021-08-16 | Peters William J (CFO, EVP & Treasurer) | Sale | 6,589 | 19.35 | 127,523 |
| 2021-08-02 | Liawatidewi Yakob (EVP Corp Admin Center) | Sale | 8,932 | 21.14 | 188,804 |
| 2021-08-02 | Liawatidewi Yakob (EVP Corp Admin Center) | Option Ex | 8,932 | 14.95 | 133,533 |
| 2021-08-02 | Zhou Rong (EVP, Production Center) | Sale | 9,123 | 21.24 | 193,736 |
| 2021-08-02 | Zhou Rong (EVP, Production Center) | Option Ex | 6,000 | 10.48 | 62,880 |
| 2021-07-26 | Zhou Rong (EVP, Production Center) | Sale | 6,000 | 20.87 | 125,220 |
| 2021-07-26 | Zhou Rong (EVP, Production Center) | Option Ex | 6,000 | 10.48 | 62,880 |
| 2021-07-20 | Zhou Rong (EVP, Production Center) | Sale | 5,187 | 20.57 | 106,696 |
| 2021-07-20 | Zhou Rong (EVP, Production Center) | Option Ex | 5,187 | 10.48 | 54,359 |
| 2021-07-15 | Liawatidewi Yakob (EVP Corp Admin Center) | Sale | 31,524 | 20.01 | 630,700 |
| 2021-07-15 | Liawatidewi Yakob (EVP Corp Admin Center) | Option Ex | 31,026 | 13.19 | 409,232 |
| 2021-07-07 | Peters William J (CFO, EVP & Treasurer) | Sale | 10,000 | 20.37 | 203,740 |
| 2021-07-07 | Peters William J (CFO, EVP & Treasurer) | Option Ex | 10,000 | 11.33 | 113,300 |
| 2021-06-08 | Lee Howard | Sale | 8,000 | 19.31 | 154,512 |
| 2021-06-08 | Lee Howard | Option Ex | 8,000 | 16.43 | 131,440 |
| 2021-06-07 | Lee Howard | Sale | 7,827 | 19.29 | 150,943 |
| 2021-06-07 | Lee Howard | Option Ex | 7,827 | 16.43 | 128,597 |
| 2021-06-03 | Petersen Floyd F. | Sale | 10,000 | 18.65 | 186,530 |
| 2021-06-03 | Petersen Floyd F. | Option Ex | 10,000 | 16.43 | 164,300 |
| 2021-06-01 | Koo Richard | Sale | 25,827 | 19.28 | 498,022 |
| 2021-06-01 | Koo Richard | Option Ex | 25,827 | 16.43 | 424,337 |
| 2021-05-14 | Zhou Rong (EVP, Production Center) | Sale | 17,419 | 19.72 | 343,467 |
| 2021-05-14 | Zhou Rong (EVP, Production Center) | Option Ex | 11,120 | 14.23 | 158,237 |
| 2021-05-13 | Zhou Rong (EVP, Production Center) | Sale | 700 | 19.58 | 13,705 |
| 2021-05-13 | Zhou Rong (EVP, Production Center) | Option Ex | 700 | 14.23 | 9,961 |
| 2021-05-13 | Zasloff Michael A | Sale | 25,827 | 19.34 | 499,442 |
| 2021-05-13 | Zasloff Michael A | Option Ex | 25,827 | 16.43 | 424,337 |
| 2021-05-12 | Liawatidewi Yakob (EVP Corp Admin Center) | Sale | 4,592 | 19.32 | 88,740 |
| 2021-05-11 | Liawatidewi Yakob (EVP Corp Admin Center) | Sale | 10,000 | 19.06 | 190,600 |
| 2021-05-11 | Liawatidewi Yakob (EVP Corp Admin Center) | Option Ex | 10,000 | 11.33 | 113,300 |
| 2021-05-11 | Prins Richard K | Sale | 15,827 | 18.90 | 299,114 |
| 2021-05-11 | Prins Richard K | Option Ex | 15,827 | 16.43 | 260,037 |
| 2021-03-15 | Peters William J (CFO, SVP & Treasurer) | Sale | 4,244 | 19.03 | 80,746 |
| 2021-02-18 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 407 | 18.58 | 7,562 |
| 2021-02-17 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 13,801 | 18.67 | 257,719 |
| 2021-02-16 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 16,259 | 18.52 | 301,035 |
| 2021-02-12 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 13,277 | 18.94 | 251,519 |
| 2021-02-11 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 19,823 | 19.06 | 377,885 |
| 2021-02-10 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 15,747 | 18.76 | 295,350 |
| 2021-02-09 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 11,927 | 18.93 | 225,778 |
| 2021-02-08 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 13,452 | 18.89 | 254,054 |
| 2021-02-05 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 15,507 | 18.94 | 293,718 |
| 2021-02-04 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 25,570 | 18.89 | 483,017 |
| 2021-02-03 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 16,299 | 18.36 | 299,331 |
| 2021-02-02 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 13,817 | 18.66 | 257,825 |
| 2021-02-01 | Petersen Floyd F. (Director) | Sale | 639 | 18.26 | 11,668 |
| 2021-02-01 | Applied Physics & Chemistry Laboratories, Inc. (10% Owner) | Sale | 24,114 | 18.29 | 441,117 |
| 2021-01-19 | Peters William J (CFO, SVP & Treasurer) | Sale | 6,495 | 18.67 | 121,235 |
| 2020-12-01 | Petersen Floyd F. (Director) | Sale | 500 | 17.87 | 8,935 |
| 2020-11-02 | Petersen Floyd F. (Director) | Sale | 500 | 19.84 | 9,920 |
| 2020-10-01 | Petersen Floyd F. (Director) | Sale | 500 | 18.89 | 9,446 |
| 2020-09-01 | Petersen Floyd F. (Director) | Sale | 500 | 19.90 | 9,948 |
| 2020-08-14 | Maris David (Director) | Buy | 1,000 | 20.26 | 20,260 |
| 2020-08-14 | Peters William J (CFO, SVP & Treasurer) | Sale | 5,512 | 20.36 | 112,224 |
| 2020-08-11 | Prins Richard K (Director) | Sale | 6,000 | 20.33 | 121,974 |
| 2020-08-03 | Petersen Floyd F. (Director) | Sale | 500 | 20.62 | 10,308 |
| 2020-07-21 | Liawatidewi Yakob (EVP Corp Admin Center) | Sale | 5,978 | 21.22 | 126,835 |
| 2020-07-21 | Liawatidewi Yakob (EVP Corp Admin Center) | Option Ex | 5,978 | 11.33 | 67,730 |
| 2020-07-20 | Liawatidewi Yakob (EVP Corp Admin Center) | Sale | 4,186 | 21.03 | 88,048 |
| 2020-07-20 | Liawatidewi Yakob (EVP Corp Admin Center) | Option Ex | 4,186 | 11.33 | 47,427 |
| 2020-07-06 | Peters William J (CFO, SVP & Treasurer) | Sale | 13,656 | 22.00 | 300,404 |
| 2020-07-06 | Peters William J (CFO, SVP & Treasurer) | Option Ex | 10,000 | 11.33 | 113,300 |
| 2020-07-01 | Petersen Floyd F. (Director) | Sale | 500 | 22.27 | 11,135 |
| 2020-06-09 | Liawatidewi Yakob (EVP Corp Admin Center) | Sale | 23,405 | 20.41 | 477,602 |
| 2020-06-09 | Liawatidewi Yakob (EVP Corp Admin Center) | Option Ex | 16,000 | 10.93 | 174,880 |
| 2020-06-04 | Zhou Rong (EVP, Production Center) | Sale | 9,806 | 19.19 | 188,177 |
| 2020-06-04 | Zhou Rong (EVP, Production Center) | Option Ex | 8,918 | 11.41 | 101,754 |
| 2020-06-03 | Zhou Rong (EVP, Production Center) | Sale | 13,163 | 18.82 | 247,675 |
| 2020-06-03 | Zhou Rong (EVP, Production Center) | Option Ex | 11,082 | 11.41 | 126,445 |
| 2020-06-01 | Petersen Floyd F. (Director) | Sale | 500 | 18.97 | 9,483 |
| 2020-05-27 | Koo Richard (Director) | Sale | 47,782 | 18.18 | 868,915 |
| 2020-05-27 | Koo Richard (Director) | Option Ex | 47,782 | 15.11 | 721,986 |
| 2020-05-26 | Lee Howard (Director) | Sale | 10,000 | 18.60 | 185,990 |
| 2020-05-26 | Lee Howard (Director) | Option Ex | 10,000 | 15.11 | 151,100 |
| 2020-05-22 | Lee Howard (Director) | Sale | 10,000 | 18.36 | 183,640 |
| 2020-05-22 | Lee Howard (Director) | Option Ex | 10,000 | 15.11 | 151,100 |
| 2020-05-21 | Lee Howard (Director) | Sale | 10,000 | 18.47 | 184,690 |
| 2020-05-21 | Lee Howard (Director) | Option Ex | 10,000 | 15.11 | 151,100 |
| 2020-05-20 | Lee Howard (Director) | Sale | 17,782 | 18.43 | 327,775 |
| 2020-05-20 | Lee Howard (Director) | Option Ex | 17,782 | 15.11 | 268,686 |
| 2020-05-15 | Petersen Floyd F. (Director) | Sale | 42,682 | 18.25 | 778,989 |
| 2020-05-15 | Petersen Floyd F. (Director) | Option Ex | 42,682 | 15.11 | 644,925 |
| 2020-05-15 | Zasloff Michael A (Director) | Sale | 22,950 | 18.02 | 413,673 |
| 2020-05-15 | Zasloff Michael A (Director) | Option Ex | 22,950 | 15.11 | 346,774 |
| 2020-05-14 | Petersen Floyd F. (Director) | Sale | 5,000 | 17.77 | 88,875 |
| 2020-05-14 | Petersen Floyd F. (Director) | Option Ex | 5,000 | 15.11 | 75,550 |
| 2020-05-14 | Zasloff Michael A (Director) | Sale | 14,832 | 18.00 | 266,976 |
| 2020-05-14 | Zasloff Michael A (Director) | Option Ex | 14,832 | 15.11 | 224,111 |
| 2020-05-12 | Petersen Floyd F. (Director) | Sale | 100 | 19.20 | 1,920 |
| 2020-05-12 | Petersen Floyd F. (Director) | Option Ex | 100 | 15.11 | 1,511 |
| 2020-05-12 | Prins Richard K (Director) | Sale | 30,282 | 19.00 | 575,418 |
| 2020-05-12 | Prins Richard K (Director) | Option Ex | 30,282 | 15.11 | 457,561 |
| 2020-05-12 | Zasloff Michael A (Director) | Sale | 10,000 | 19.00 | 190,000 |
| 2020-05-12 | Zasloff Michael A (Director) | Option Ex | 10,000 | 15.11 | 151,100 |
| 2020-05-01 | Petersen Floyd F. (Director) | Sale | 500 | 16.66 | 8,329 |
| 2020-04-01 | Petersen Floyd F. (Director) | Sale | 500 | 14.36 | 7,181 |
| 2020-03-13 | Peters William J (CFO, SVP & Treasurer) | Sale | 4,701 | 14.04 | 66,011 |
| 2020-03-02 | Petersen Floyd F. (Director) | Sale | 500 | 15.56 | 7,782 |
| 2020-02-07 | Shandell Jason B. (President and General Counsel) | Sale | 6,853 | 19.88 | 136,258 |
| 2020-02-07 | Shandell Jason B. (President and General Counsel) | Option Ex | 6,853 | 14.40 | 98,683 |
| 2020-02-06 | Shandell Jason B. (President and General Counsel) | Sale | 21,933 | 19.83 | 434,953 |
| 2020-02-06 | Shandell Jason B. (President and General Counsel) | Option Ex | 21,933 | 14.40 | 315,835 |
| 2020-02-05 | Shandell Jason B. (President and General Counsel) | Sale | 15,615 | 19.57 | 305,554 |
| 2020-02-05 | Shandell Jason B. (President and General Counsel) | Option Ex | 15,615 | 14.40 | 224,856 |
| 2020-02-03 | Petersen Floyd F. (Director) | Sale | 500 | 19.12 | 9,558 |
| 2020-01-21 | Peters William J (CFO, SVP & Treasurer) | Sale | 3,990 | 20.07 | 80,071 |
| 2020-01-08 | Shandell Jason B. (President and General Counsel) | Sale | 25,000 | 18.44 | 460,975 |
| 2020-01-08 | Shandell Jason B. (President and General Counsel) | Option Ex | 25,000 | 10.93 | 273,250 |
| 2020-01-02 | Petersen Floyd F. (Director) | Sale | 1,000 | 19.14 | 19,142 |
| 2019-12-18 | Shandell Jason B. (President and General Counsel) | Sale | 8,205 | 19.13 | 156,961 |
| 2019-12-02 | Petersen Floyd F. (Director) | Sale | 500 | 19.25 | 9,623 |
| 2019-11-01 | Petersen Floyd F. (Director) | Sale | 500 | 19.48 | 9,738 |
| 2019-10-01 | Petersen Floyd F. (Director) | Sale | 500 | 19.92 | 9,959 |
| 2019-09-18 | Shandell Jason B. (President and General Counsel) | Sale | 7,340 | 21.32 | 156,510 |
| 2019-09-16 | Petersen Floyd F. (Director) | Sale | 500 | 21.75 | 10,876 |
| 2019-09-16 | Peters William J (CFO, SVP & Treasurer) | Sale | 9,800 | 21.76 | 213,257 |
| 2019-09-16 | Peters William J (CFO, SVP & Treasurer) | Option Ex | 9,800 | 11.33 | 111,034 |
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.