Insider Transactions in Q4 2021 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q4 2021)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 30
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,000
-8.62%
|
$230,000
$23.4 P/Share
|
|
Dec 30
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+7.93%
|
$140,000
$14.4 P/Share
|
|
Dec 22
2021
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
1,000
-1.26%
|
$22,000
$22.5 P/Share
|
|
Dec 21
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
8,256
-7.22%
|
$181,632
$22.4 P/Share
|
|
Dec 21
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,256
+6.74%
|
$115,584
$14.4 P/Share
|
|
Dec 16
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
1,744
-1.62%
|
$38,368
$22.4 P/Share
|
|
Dec 16
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
1,744
+1.59%
|
$24,416
$14.4 P/Share
|
|
Dec 10
2021
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
5,291
-10.48%
|
$111,111
$21.36 P/Share
|
|
Dec 10
2021
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
5,291
+9.49%
|
$89,947
$17.11 P/Share
|
|
Nov 22
2021
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
5,000
-9.96%
|
$105,000
$21.22 P/Share
|
|
Nov 22
2021
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
5,000
+9.06%
|
$85,000
$17.11 P/Share
|
|
Nov 11
2021
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
10,000
-8.64%
|
$210,000
$21.33 P/Share
|
|
Nov 11
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+7.96%
|
$110,000
$11.33 P/Share
|
|
Nov 11
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
7,813
-8.59%
|
$164,073
$21.67 P/Share
|
|
Nov 11
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,813
+7.91%
|
$78,130
$10.48 P/Share
|