Insider Transactions in Q1 2024 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q1 2024)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Mar 17
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
7,052
-0.57%
|
$303,236
$43.05 P/Share
|
|
Mar 17
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
15,768
-0.64%
|
$678,024
$43.05 P/Share
|
|
Mar 17
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,961
-1.63%
|
$84,323
$43.05 P/Share
|
|
Mar 17
2024
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,726
-2.26%
|
$74,218
$43.05 P/Share
|
|
Mar 17
2024
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,255
-4.18%
|
$182,965
$43.05 P/Share
|
|
Mar 16
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,355
-1.93%
|
$101,265
$43.05 P/Share
|
|
Mar 16
2024
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,671
-2.14%
|
$71,853
$43.05 P/Share
|
|
Mar 16
2024
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
5,105
-4.77%
|
$219,515
$43.05 P/Share
|
|
Mar 15
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
202,658
-14.08%
|
$8,714,294
$43.05 P/Share
|
|
Mar 15
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Exercise of conversion of derivative security
|
Indirect |
310,930
+17.76%
|
$3,731,160
$12.46 P/Share
|
|
Mar 15
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
408,721
-14.3%
|
$17,575,003
$43.05 P/Share
|
|
Mar 15
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Exercise of conversion of derivative security
|
Direct |
722,046
+20.17%
|
$8,664,552
$12.46 P/Share
|
|
Mar 15
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,219
-0.99%
|
$52,417
$43.05 P/Share
|
|
Mar 15
2024
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,027
-1.3%
|
$44,161
$43.05 P/Share
|
|
Mar 15
2024
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,285
-2.09%
|
$98,255
$43.05 P/Share
|
|
Mar 06
2024
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,190
-1.96%
|
$100,740
$46.31 P/Share
|
|
Mar 06
2024
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
18,136
-4.8%
|
$852,392
$47.09 P/Share
|
|
Mar 06
2024
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,826
+6.37%
|
$97,086
$11.33 P/Share
|
|
Mar 06
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,390
-1.11%
|
$63,940
$46.31 P/Share
|
|
Mar 06
2024
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,221
-1.52%
|
$56,166
$46.31 P/Share
|
|
Mar 06
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
2,990
-0.26%
|
$137,540
$46.31 P/Share
|
|
Mar 06
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
7,031
-0.33%
|
$323,426
$46.31 P/Share
|
|
Mar 05
2024
|
Michael A Zasloff |
SELL
Open market or private sale
|
Direct |
12,500
-20.24%
|
$587,500
$47.3 P/Share
|
|
Mar 04
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Indirect |
27,110
+2.34%
|
-
|
|
Mar 04
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
64,310
+2.91%
|
-
|
|
Mar 04
2024
|
William J Peters CFO, EVP & TREASURER |
BUY
Grant, award, or other acquisition
|
Direct |
19,440
+13.86%
|
-
|
|
Mar 04
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
12,521
+9.11%
|
-
|
|
Mar 04
2024
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
10,754
+11.79%
|
-
|
|
Mar 01
2024
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.31%
|
$23,000
$46.06 P/Share
|
|
Feb 01
2024
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.31%
|
$26,500
$53.36 P/Share
|
|
Jan 10
2024
|
Mary Z. Luo COO,Chief Scientist & Chairman |
SELL
Open market or private sale
|
Direct |
131,386
-2.73%
|
$7,226,230
$55.54 P/Share
|
|
Jan 09
2024
|
Mary Z. Luo COO,Chief Scientist & Chairman |
SELL
Open market or private sale
|
Direct |
86,156
-2.21%
|
$4,910,892
$57.58 P/Share
|
|
Jan 08
2024
|
Mary Z. Luo COO,Chief Scientist & Chairman |
SELL
Open market or private sale
|
Direct |
133,644
-1.36%
|
$8,018,640
$60.1 P/Share
|
|
Jan 02
2024
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.31%
|
$30,500
$61.13 P/Share
|