Insider Transactions in Q1 2021 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q1 2021)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Mar 17
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Grant, award, or other acquisition
|
Direct |
33,574
+23.66%
|
-
|
|
Mar 17
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
21,984
+18.59%
|
-
|
|
Mar 17
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
19,344
+23.97%
|
-
|
|
Mar 17
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Indirect |
56,892
+3.68%
|
-
|
|
Mar 17
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
127,209
+5.2%
|
-
|
|
Mar 16
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
6,398
-7.89%
|
$115,164
$18.44 P/Share
|
|
Mar 16
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
3,303
-4.26%
|
$59,454
$18.44 P/Share
|
|
Mar 16
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,430
-5.47%
|
$43,740
$18.44 P/Share
|
|
Mar 16
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
8,890
-0.62%
|
$160,020
$18.44 P/Share
|
|
Mar 16
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
25,241
-1.14%
|
$454,338
$18.44 P/Share
|
|
Mar 15
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
9,592
-0.66%
|
$182,248
$19.15 P/Share
|
|
Mar 15
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
28,088
-1.25%
|
$533,672
$19.15 P/Share
|
|
Mar 15
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,178
-98.1%
|
$79,382
$19.15 P/Share
|
|
Mar 15
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
4,244
-4.74%
|
$80,636
$19.03 P/Share
|
|
Mar 15
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,652
-2.08%
|
$31,388
$19.15 P/Share
|
|
Mar 15
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,559
-3.39%
|
$29,621
$19.15 P/Share
|
|
Feb 18
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
407
-0.01%
|
$7,326
$18.58 P/Share
|
|
Feb 17
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
13,801
-0.2%
|
$248,418
$18.67 P/Share
|
|
Feb 16
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
16,259
-0.24%
|
$292,662
$18.51 P/Share
|
|
Feb 12
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
13,277
-0.19%
|
$238,986
$18.94 P/Share
|
|
Feb 11
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
19,823
-0.29%
|
$376,637
$19.06 P/Share
|
|
Feb 10
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
15,747
-0.23%
|
$283,446
$18.76 P/Share
|
|
Feb 09
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
11,927
-0.17%
|
$214,686
$18.93 P/Share
|
|
Feb 08
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
13,452
-0.19%
|
$242,136
$18.89 P/Share
|
|
Feb 05
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
15,507
-0.22%
|
$279,126
$18.94 P/Share
|
|
Feb 04
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
25,570
-0.37%
|
$460,260
$18.89 P/Share
|
|
Feb 03
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
16,299
-0.23%
|
$293,382
$18.36 P/Share
|
|
Feb 02
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
13,817
-0.2%
|
$248,706
$18.66 P/Share
|
|
Feb 01
2021
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Open market or private sale
|
Indirect |
24,114
-0.34%
|
$434,052
$18.29 P/Share
|
|
Feb 01
2021
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
639
-0.86%
|
$11,502
$18.26 P/Share
|
|
Jan 19
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
6,495
-6.76%
|
$116,910
$18.67 P/Share
|