Insider Transactions in Q1 2022 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q1 2022)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Mar 17
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
7,052
-0.47%
|
$239,768
$34.18 P/Share
|
|
Mar 17
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
15,768
-0.67%
|
$536,112
$34.18 P/Share
|
|
Mar 17
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,162
-3.81%
|
$141,508
$34.18 P/Share
|
|
Mar 17
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,447
-3.06%
|
$83,198
$34.18 P/Share
|
|
Mar 17
2022
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,673
-2.68%
|
$56,882
$34.18 P/Share
|
|
Mar 16
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
10,426
-0.69%
|
$354,484
$34.22 P/Share
|
|
Mar 16
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
25,241
-1.06%
|
$858,194
$34.22 P/Share
|
|
Mar 16
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
4,995
-4.38%
|
$169,830
$34.22 P/Share
|
|
Mar 16
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
50,777
-15.85%
|
$1,726,418
$34.15 P/Share
|
|
Mar 16
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
50,777
+23.54%
|
$710,878
$14.4 P/Share
|
|
Mar 16
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
2,283
-2.77%
|
$77,622
$34.22 P/Share
|
|
Mar 16
2022
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,619
-2.53%
|
$55,046
$34.22 P/Share
|
|
Mar 16
2022
|
Michael A Zasloff |
SELL
Open market or private sale
|
Direct |
10,000
-17.48%
|
$330,000
$33.71 P/Share
|
|
Mar 16
2022
|
Michael A Zasloff |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+14.88%
|
$170,000
$17.11 P/Share
|
|
Mar 15
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Indirect |
4,786
-0.31%
|
$162,724
$34.74 P/Share
|
|
Mar 15
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Indirect |
32,412
+2.09%
|
-
|
|
Mar 15
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Payment of exercise price or tax liability
|
Direct |
14,759
-0.62%
|
$501,806
$34.74 P/Share
|
|
Mar 15
2022
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
BUY
Grant, award, or other acquisition
|
Direct |
76,914
+3.11%
|
-
|
|
Mar 15
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,652
-1.97%
|
$56,168
$34.74 P/Share
|
|
Mar 15
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
13,658
+13.99%
|
-
|
|
Mar 15
2022
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
1,559
-2.38%
|
$53,006
$34.74 P/Share
|
|
Mar 15
2022
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Grant, award, or other acquisition
|
Direct |
11,514
+14.93%
|
-
|
|
Mar 15
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Payment of exercise price or tax liability
|
Direct |
5,989
-4.99%
|
$203,626
$34.74 P/Share
|
|
Mar 15
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Grant, award, or other acquisition
|
Direct |
21,991
+15.47%
|
-
|
|
Mar 15
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
7,900
-7.45%
|
$268,600
$34.46 P/Share
|
|
Mar 15
2022
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
10,000
-18.12%
|
$340,000
$34.02 P/Share
|
|
Mar 15
2022
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+15.34%
|
$170,000
$17.11 P/Share
|
|
Mar 07
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
13,026
-10.94%
|
$377,754
$29.35 P/Share
|
|
Mar 07
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
13,026
+9.86%
|
$169,338
$13.35 P/Share
|
|
Mar 01
2022
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.65%
|
$13,500
$27.27 P/Share
|
|
Feb 25
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
23,000
-9.35%
|
$644,000
$28.45 P/Share
|
|
Feb 25
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
23,000
+15.13%
|
$322,000
$14.95 P/Share
|
|
Feb 25
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
13,246
-15.85%
|
$370,888
$28.77 P/Share
|
|
Feb 25
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,000
+7.73%
|
$70,000
$10.93 P/Share
|
|
Feb 08
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,000
-8.62%
|
$260,000
$26.95 P/Share
|
|
Feb 08
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+7.93%
|
$140,000
$14.95 P/Share
|
|
Feb 08
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
7,000
-8.38%
|
$182,000
$26.77 P/Share
|
|
Feb 08
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,000
+7.73%
|
$70,000
$10.93 P/Share
|
|
Feb 01
2022
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.32%
|
$11,500
$23.81 P/Share
|
|
Jan 10
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
20,928
-11.38%
|
$523,200
$25.37 P/Share
|
|
Jan 10
2022
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
14,000
+12.56%
|
$140,000
$10.93 P/Share
|
|
Jan 10
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
16,000
-13.11%
|
$400,000
$25.4 P/Share
|
|
Jan 10
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
16,000
+11.59%
|
$224,000
$14.4 P/Share
|
|
Jan 07
2022
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
31,776
-12.25%
|
$762,624
$24.53 P/Share
|
|
Jan 07
2022
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
31,776
+18.74%
|
$444,864
$14.4 P/Share
|
|
Jan 03
2022
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
500
-0.64%
|
$11,500
$23.22 P/Share
|