Insider Transactions in Q1 2025 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q1 2025)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Mar 10
2025
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
24,692
+14.93%
|
-
|
|
Mar 10
2025
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
20,837
+18.2%
|
-
|
|
Mar 10
2025
|
William J Peters CFO, EVP & TREASURER |
BUY
Grant, award, or other acquisition
|
Direct |
36,747
+22.01%
|
-
|
|
Mar 10
2025
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Indirect |
48,996
+4.09%
|
-
|
|
Mar 10
2025
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
116,226
+4.26%
|
-
|
|
Mar 06
2025
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,354
-1.15%
|
$37,912
$28.32 P/Share
|
|
Mar 06
2025
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,141
-2.24%
|
$59,948
$28.32 P/Share
|
|
Mar 06
2025
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,141
-1.54%
|
$31,948
$28.32 P/Share
|
|
Mar 06
2025
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
3,069
-0.28%
|
$85,932
$28.32 P/Share
|
|
Mar 06
2025
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
9,645
-0.39%
|
$270,060
$28.32 P/Share
|
|
Mar 06
2025
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
1,000
-1.33%
|
$27,000
$27.99 P/Share
|
|
Mar 04
2025
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,739
-1.79%
|
$46,953
$27.62 P/Share
|
|
Mar 04
2025
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
4,231
-4.16%
|
$114,237
$27.54 P/Share
|
|
Mar 04
2025
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,490
+6.87%
|
$97,370
$13.35 P/Share
|
|
Mar 04
2025
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
2,426
-0.22%
|
$65,502
$27.62 P/Share
|
|
Mar 04
2025
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
5,753
-0.23%
|
$155,331
$27.62 P/Share
|
|
Mar 04
2025
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
963
-1.29%
|
$26,001
$27.62 P/Share
|
|
Mar 04
2025
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,121
-0.95%
|
$30,267
$27.62 P/Share
|