Insider Transactions in Q2 2025 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q2 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Jun 13
2025
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
200,000
+6.56%
|
$2,600,000
$13.03 P/Share
|
|
Jun 03
2025
|
Howard Lee |
SELL
Payment of exercise price or tax liability
|
Direct |
923
-0.6%
|
$23,998
$26.01 P/Share
|
|
Jun 02
2025
|
Howard Lee |
BUY
Grant, award, or other acquisition
|
Direct |
5,122
+3.24%
|
-
|
|
Jun 02
2025
|
Gayle Deflin |
BUY
Grant, award, or other acquisition
|
Direct |
5,122
+31.94%
|
-
|
|
Jun 02
2025
|
Diane G. Gerst |
BUY
Grant, award, or other acquisition
|
Direct |
5,122
+17.74%
|
-
|
|
Jun 02
2025
|
Richard K Prins |
BUY
Grant, award, or other acquisition
|
Direct |
5,122
+12.71%
|
-
|
|
Jun 02
2025
|
Floyd F. Petersen |
BUY
Grant, award, or other acquisition
|
Direct |
5,122
+6.16%
|
-
|
|
Jun 02
2025
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.68%
|
$12,500
$25.67 P/Share
|
|
Jun 02
2025
|
Michael A Zasloff |
BUY
Grant, award, or other acquisition
|
Direct |
5,122
+14.78%
|
-
|
|
May 19
2025
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
273
-0.22%
|
$6,552
$24.79 P/Share
|
|
May 01
2025
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.68%
|
$12,000
$24.08 P/Share
|
|
Apr 01
2025
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.67%
|
$14,000
$28.38 P/Share
|