Insider Shareholders with Direct Ownership of Amphastar Pharmaceuticals, Inc. (AMPH)
This section provides a comprehensive overview of the insiders with direct ownership of Amphastar Pharmaceuticals, Inc. (AMPH). You can find detailed information about the size and nature of each insider's ownership stake, as well as the latest updates on their holdings.
Amphastar Pharmaceuticals, Inc. Insider List
| Insider | Adquired | Disposed | Held | # of Trades | Last Transaction |
|---|---|---|---|---|---|
|
Jack Y. Zhang
CEO & CHIEF SCIENTIFIC OFFICER |
1,271,862 | 952,931 | 2,633,554 $96.1 Million | 24 |
Sep 13, 2024
Added 3.66%
|
|
Mary Z. Luo
COO,Chief Scientist & Chairman |
0 | 351,186 | 1,104,416 $40.3 Million | 3 |
Jan 10, 2024
Reduced 0.16%
|
|
Richard Koo
Director |
31,846 | 25,827 | 259,289 $9.46 Million | 3 |
Jun 07, 2021
Added 2.27%
|
| 78,771 | 63,908 | 147,777 $5.39 Million | 18 |
Jun 05, 2024
Reduced 0.39%
|
|
|
Rong Zhou
SENIOR EVP, PRODUCTION CENTER |
217,043 | 181,554 | 118,469 $4.32 Million | 58 |
Dec 13, 2024
Reduced 6.33%
|
|
William J Peters
CFO, EVP & TREASURER |
553,788 | 559,791 | 94,103 $3.43 Million | 73 |
Nov 06, 2024
Reduced 7.31%
|
| 62,092 | 62,176 | 75,409 $2.75 Million | 42 |
Sep 05, 2024
Reduced 3.83%
|
|
|
Yakob Liawatidewi
EVP CORP ADMIN CENTER |
183,375 | 158,350 | 74,938 $2.74 Million | 46 |
Nov 06, 2024
Reduced 6.51%
|
| 101,693 | 110,792 | 30,061 $1.1 Million | 30 |
Dec 09, 2024
Reduced 1.35%
|
|
| 62,092 | 78,877 | 24,402 $890,673 | 13 |
Jun 03, 2024
Added 11.19%
|
|
|
David Maris
Director |
6,019 | 0 | 19,170 $699,705 | 1 |
Jun 07, 2021
Added 23.9%
|
| 22,964 | 10,000 | 18,634 $680,141 | 12 |
Jun 03, 2024
Added 14.17%
|
|
| 15,974 | 10,182 | 5,792 $211,408 | 7 |
Jun 03, 2024
Added 34.69%
|