NASDAQ:AMPH
Amphastar Pharmaceuticals Stock Insider Trading
$40.83
-0.170 (-0.415%)
At Close: Apr 25, 2024
| Date | Action | Amount | Person | Type |
|---|---|---|---|---|
| Apr 01, 2024 | Sell | 500 | Petersen Floyd F. | Common Stock |
| Mar 17, 2024 | Sell | 15 768 | Zhang Jack Y. | Common Stock |
| Mar 17, 2024 | Sell | 7 052 | Zhang Jack Y. | Common Stock |
| Mar 17, 2024 | Sell | 1 726 | Liawatidewi Yakob | Common Stock |
| Mar 17, 2024 | Sell | 1 961 | Zhou Rong | Common Stock |
| Mar 17, 2024 | Sell | 4 255 | Peters William J | Common Stock |
| Mar 16, 2024 | Sell | 1 671 | Liawatidewi Yakob | Common Stock |
| Mar 16, 2024 | Sell | 2 355 | Zhou Rong | Common Srock |
| Mar 16, 2024 | Sell | 5 105 | Peters William J | Common Stock |
| Mar 15, 2024 | Buy | 722 046 | Zhang Jack Y. | Common Stock |
| Mar 15, 2024 | Sell | 408 721 | Zhang Jack Y. | Common Stock |
| Mar 15, 2024 | Buy | 310 930 | Zhang Jack Y. | Common Stock |
| Mar 15, 2024 | Sell | 202 658 | Zhang Jack Y. | Common Stock |
| Mar 15, 2024 | Sell | 310 930 | Zhang Jack Y. | Employee Stock Option (right to buy) |
| Mar 15, 2024 | Sell | 1 027 | Liawatidewi Yakob | Common Stock |
| Mar 15, 2024 | Sell | 1 219 | Zhou Rong | Common Srock |
| Mar 15, 2024 | Sell | 2 285 | Peters William J | Common Stock |
| Mar 06, 2024 | Buy | 8 826 | Peters William J | Common Stock |
| Mar 06, 2024 | Sell | 13 404 | Peters William J | Common Stock |
| Mar 06, 2024 | Sell | 4 681 | Peters William J | Common Stock |
| Mar 06, 2024 | Sell | 51 | Peters William J | Common Stock |
| Mar 06, 2024 | Sell | 2 190 | Peters William J | Common Stock |
| Mar 06, 2024 | Sell | 8 826 | Peters William J | Employee Stock Option (right to buy) |
| Mar 06, 2024 | Sell | 1 221 | Liawatidewi Yakob | Common Stock |
| Mar 06, 2024 | Sell | 1 390 | Zhou Rong | Common Srock |
| Mar 06, 2024 | Sell | 7 031 | Zhang Jack Y. | Common Stock |
| Mar 06, 2024 | Sell | 2 990 | Zhang Jack Y. | Common Stock |
| Mar 05, 2024 | Sell | 9 389 | Zasloff Michael A | Common Stock |
| Mar 05, 2024 | Sell | 3 111 | Zasloff Michael A | Common Stock |
| Mar 04, 2024 | Buy | 64 310 | Zhang Jack Y. | Common Stock |
| Mar 04, 2024 | Buy | 27 110 | Zhang Jack Y. | Common Stock |
| Mar 04, 2024 | Buy | 135 473 | Zhang Jack Y. | Employee Stock Option (right to buy) |
| Mar 04, 2024 | Buy | 57 109 | Zhang Jack Y. | Employee Stock Option (right to buy) |
| Mar 04, 2024 | Buy | 10 754 | Liawatidewi Yakob | Common Stock |
| Mar 04, 2024 | Buy | 22 655 | Liawatidewi Yakob | Employee Stock Option (right to buy) |
| Mar 04, 2024 | Buy | 12 521 | Zhou Rong | Common Srock |
| Mar 04, 2024 | Buy | 26 378 | Zhou Rong | Employee Stock Option (right to buy) |
| Mar 01, 2024 | Sell | 451 | Petersen Floyd F. | Common Stock |
| Mar 01, 2024 | Sell | 49 | Petersen Floyd F. | Common Stock |
| Feb 01, 2024 | Sell | 474 | Petersen Floyd F. | Common Stock |
| Feb 01, 2024 | Sell | 26 | Petersen Floyd F. | Common Stock |
| Jan 10, 2024 | Sell | 78 236 | Luo Mary Z. | Common Stock |
| Jan 10, 2024 | Sell | 50 514 | Luo Mary Z. | Common Stock |
| Jan 10, 2024 | Sell | 920 | Luo Mary Z. | Common Stock |
| Jan 10, 2024 | Sell | 1 716 | Luo Mary Z. | Common Stock |
| Jan 09, 2024 | Sell | 50 678 | Luo Mary Z. | Common Stock |
| Jan 09, 2024 | Sell | 31 764 | Luo Mary Z. | Common Stock |
| Jan 09, 2024 | Sell | 3 714 | Luo Mary Z. | Common Stock |
| Jan 08, 2024 | Sell | 18 858 | Luo Mary Z. | Common Stock |
| Jan 08, 2024 | Sell | 41 282 | Luo Mary Z. | Common Stock |
| Jan 08, 2024 | Sell | 37 865 | Luo Mary Z. | Common Stock |
| Jan 08, 2024 | Sell | 27 563 | Luo Mary Z. | Common Stock |
| Jan 08, 2024 | Sell | 4 261 | Luo Mary Z. | Common Stock |
| Jan 08, 2024 | Sell | 1 663 | Luo Mary Z. | Common Stock |
| Jan 08, 2024 | Sell | 2 152 | Luo Mary Z. | Common Stock |
| Jan 02, 2024 | Sell | 147 | Petersen Floyd F. | Common Stock |
| Jan 02, 2024 | Sell | 353 | Petersen Floyd F. | Common Stock |
| Dec 04, 2023 | Buy | 3 514 | Zhou Rong | Common Stock |
| Dec 04, 2023 | Sell | 3 514 | Zhou Rong | Common Stock |
| Dec 04, 2023 | Sell | 3 514 | Zhou Rong | Employee Stock Option (right to buy) |
| Dec 01, 2023 | Buy | 4 316 | Zhou Rong | Common Stock |
| Dec 01, 2023 | Sell | 4 316 | Zhou Rong | Common Stock |
| Dec 01, 2023 | Sell | 4 316 | Zhou Rong | Employee Stock Option (right to buy) |
| Dec 01, 2023 | Sell | 135 | Petersen Floyd F. | Common Stock |
| Dec 01, 2023 | Sell | 365 | Petersen Floyd F. | Common Stock |
| Nov 17, 2023 | Sell | 4 000 | Prins Richard K | Common Stock |
| Nov 17, 2023 | Sell | 1 000 | Prins Richard K | Common Stock |
| Nov 14, 2023 | Buy | 38 000 | Peters William J | Common Stock |
| Nov 14, 2023 | Sell | 14 220 | Peters William J | Common Stock |
| Nov 14, 2023 | Buy | 21 250 | Peters William J | Common Stock |
| Nov 14, 2023 | Sell | 30 162 | Peters William J | Common Stock |
| Nov 14, 2023 | Sell | 14 868 | Peters William J | Common Stock |
| Nov 14, 2023 | Sell | 38 000 | Peters William J | Employee Stock Option (right to buy) |
| Nov 14, 2023 | Sell | 21 250 | Peters William J | Employee Stock Option (right to buy) |
| Nov 14, 2023 | Sell | 4 163 | Deflin Gayle | Common Stock |
| Nov 13, 2023 | Sell | 5 000 | Prins Richard K | Common Stock |
| Nov 01, 2023 | Sell | 500 | Petersen Floyd F. | Common Stock |
| Oct 02, 2023 | Sell | 500 | Petersen Floyd F. | Common Stock |
| Sep 06, 2023 | Buy | 25 250 | Peters William J | Common Stock |
| Sep 06, 2023 | Buy | 21 250 | Peters William J | Common Stock |
| Sep 06, 2023 | Buy | 10 000 | Peters William J | Common Stock |
| Sep 06, 2023 | Sell | 60 684 | Peters William J | Common Stock |
| Sep 06, 2023 | Sell | 59 | Peters William J | Common Stock |
| Sep 06, 2023 | Sell | 25 250 | Peters William J | Employee Stock Option (right to buy) |
| Sep 06, 2023 | Sell | 21 250 | Peters William J | Employee Stock Option (right to buy) |
| Sep 06, 2023 | Sell | 10 000 | Peters William J | Employee Stock Option (right to buy) |
| Aug 28, 2023 | Buy | 20 000 | Liawatidewi Yakob | Common Stock |
| Aug 28, 2023 | Buy | 5 497 | Liawatidewi Yakob | Common Stock |
| Aug 28, 2023 | Buy | 3 319 | Liawatidewi Yakob | Common Stock |
| Aug 28, 2023 | Sell | 28 816 | Liawatidewi Yakob | Common Stock |
| Aug 28, 2023 | Sell | 20 000 | Liawatidewi Yakob | Employee Stock Option (right to buy) |
| Aug 28, 2023 | Sell | 3 319 | Liawatidewi Yakob | Employee Stock Option (right to buy) |
| Aug 28, 2023 | Sell | 5 497 | Liawatidewi Yakob | Employee Stock Option (right to buy) |
| Aug 18, 2023 | Sell | 2 000 | Prins Richard K | Common Stock |
| Aug 15, 2023 | Sell | 12 759 | Zasloff Michael A | Common Stock |
| Aug 15, 2023 | Sell | 4 163 | Prins Richard K | Common Stock |
| Jun 20, 2023 | Buy | 9 651 | Zhou Rong | Common Stock |
| Jun 20, 2023 | Sell | 9 651 | Zhou Rong | Employee Stock Option (right to buy) |
| Jun 15, 2023 | Buy | 1 171 | Zhou Rong | Common Stock |
| Jun 15, 2023 | Buy | 13 575 | Zhou Rong | Common Stock |
| INSIDER POWER |
|---|
| -2.652 |
| Last 100 transactions |
| Buy: 1 574 905 | Sell: 1 727 474 (Shares) |
Based on the 100 latest insides trades, we have calculated the insider power to be negative at a ratio of -2.652.
In total, the insiders bought 1 574 905 and sold 1 727 474 AMPH shares in the last 100 trades.
