List of insiders holdings for Amphastar Pharmaceuticals Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
Zhang Jack Y. Luo Mary Z. Applied Physics & Chemistry Laboratories Inc. CEO & Chief Scientific Officer 10% Owner | 2024-02-09 17:21:50 | 13,435,210 0 | 13,435,210 | Form 13G |
Zhang Jack Y. Luo Mary Z. CEO & Chief Scientific Officer 10% Owner | 2024-03-19 18:55:31 | 2,433,554 8,057,435 | 10,490,989 | Form 4 |
Shandell Jason B. President and General Counsel | 2020-03-18 17:31:08 | 330,234 0 | 330,234 | Form 4 |
Koo Richard Director | 2021-06-08 20:55:10 | 276,471 10000 | 286,471 | Form 4 |
Zhou Rong SENIOR EVP, PRODUCTION CENTER | 2024-03-19 17:15:22 | 118,016 104,668 | 222,684 | Form 4 |
Lee Howard Director | 2023-06-12 16:05:49 | 145,280 0 | 145,280 | Form 4 |
PETERS WILLIAM J CFO, EVP & TREASURER | 2024-03-19 17:10:25 | 97,655 0 | 97,655 | Form 4 |
Petersen Floyd F. Director | 2024-05-02 16:56:42 | 78,833 0 | 78,833 | Form 4 |
Liawatidewi Yakob EVP CORP ADMIN CENTER | 2024-03-19 17:17:54 | 74,778 2459 | 77,237 | Form 4 |
Purchase Marilyn J. Former Officer | 2015-06-17 18:14:31 | 43,263 16,044 | 59,307 | Form 4 |
Maris David Director | 2021-06-08 20:57:23 | 36,352 0 | 36,352 | Form 4 |
PRINS RICHARD K Director | 2023-11-20 17:23:35 | 30,895 0 | 30,895 | Form 4 |
Shohet Stephen B. Director | 2018-12-12 20:37:04 | 30,706 0 | 30,706 | Form 4 |
Gerst Diane G. Director | 2023-06-07 18:24:37 | 22,574 0 | 22,574 | Form 4 |
ZASLOFF MICHAEL A Director | 2024-03-06 17:57:25 | 21,326 0 | 21,326 | Form 4 |
Deflin Gayle Director | 2023-11-15 16:30:11 | 2716 0 | 2716 | Form 4 |