Insider Transactions in Q1 2023 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q1 2023)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Mar 17
2023
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,901
-2.12%
|
$68,436
$36.29 P/Share
|
|
Mar 17
2023
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,673
-2.36%
|
$60,228
$36.29 P/Share
|
|
Mar 17
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
7,052
-0.48%
|
$253,872
$36.29 P/Share
|
|
Mar 17
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
15,768
-0.75%
|
$567,648
$36.29 P/Share
|
|
Mar 17
2023
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,162
-3.81%
|
$149,832
$36.29 P/Share
|
|
Mar 16
2023
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,283
-2.49%
|
$84,471
$37.6 P/Share
|
|
Mar 16
2023
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,620
-2.23%
|
$59,940
$37.6 P/Share
|
|
Mar 16
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
9,998
-0.68%
|
$369,926
$37.6 P/Share
|
|
Mar 16
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
25,241
-1.19%
|
$933,917
$37.6 P/Share
|
|
Mar 16
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Bona fide gift
|
Indirect |
114,730
-100.0%
|
-
|
|
Mar 16
2023
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,995
-4.37%
|
$184,815
$37.6 P/Share
|
|
Mar 15
2023
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,851
-2.49%
|
$66,636
$36.84 P/Share
|
|
Mar 15
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
2,803
-0.18%
|
$100,908
$36.84 P/Share
|
|
Mar 15
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
8,434
-0.39%
|
$303,624
$36.84 P/Share
|
|
Mar 15
2023
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,146
-3.5%
|
$149,256
$36.84 P/Share
|
|
Mar 15
2023
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
12,776
-9.74%
|
$459,936
$36.43 P/Share
|
|
Mar 15
2023
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
6,688
+4.85%
|
$93,632
$14.95 P/Share
|
|
Mar 15
2023
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,057
-2.19%
|
$74,052
$36.84 P/Share
|
|
Mar 06
2023
|
William J Peters CFO, EVP & TREASURER |
BUY
Grant, award, or other acquisition
|
Direct |
23,925
+16.12%
|
-
|
|
Mar 06
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Indirect |
34,301
+2.19%
|
-
|
|
Mar 06
2023
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
81,383
+3.59%
|
-
|
|
Mar 06
2023
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
15,129
+13.88%
|
-
|
|
Mar 06
2023
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
12,752
+14.64%
|
-
|
|
Mar 01
2023
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,974
-9.83%
|
$395,064
$36.33 P/Share
|
|
Mar 01
2023
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,974
+8.95%
|
$120,714
$11.33 P/Share
|
|
Mar 01
2023
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.19%
|
$17,500
$35.85 P/Share
|
|
Feb 01
2023
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.58%
|
$15,000
$30.35 P/Share
|
|
Jan 03
2023
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.57%
|
$13,500
$27.94 P/Share
|