Insider Transactions in Q2 2021 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q2 2021)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Jun 14
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
128
-0.23%
|
$2,432
$19.68 P/Share
|
|
Jun 12
2021
|
Howard Lee |
SELL
Payment of exercise price or tax liability
|
Direct |
157
-0.11%
|
$2,983
$19.92 P/Share
|
|
Jun 09
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
4,732
-5.2%
|
$89,908
$19.58 P/Share
|
|
Jun 08
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
8,180
-8.25%
|
$155,420
$19.34 P/Share
|
|
Jun 08
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,180
+7.62%
|
$114,520
$14.23 P/Share
|
|
Jun 08
2021
|
Howard Lee |
SELL
Open market or private sale
|
Direct |
8,000
-5.44%
|
$152,000
$19.31 P/Share
|
|
Jun 08
2021
|
Howard Lee |
BUY
Exercise of conversion of derivative security
|
Direct |
8,000
+5.16%
|
$128,000
$16.43 P/Share
|
|
Jun 07
2021
|
Gayle Deflin |
BUY
Grant, award, or other acquisition
|
Direct |
6,019
+50.0%
|
-
|
|
Jun 07
2021
|
Diane G. Gerst |
BUY
Grant, award, or other acquisition
|
Direct |
3,009
+25.74%
|
-
|
|
Jun 07
2021
|
Richard Koo Director |
BUY
Grant, award, or other acquisition
|
Direct |
6,019
+2.27%
|
-
|
|
Jun 07
2021
|
Howard Lee |
BUY
Grant, award, or other acquisition
|
Direct |
6,019
+4.15%
|
-
|
|
Jun 07
2021
|
Howard Lee |
SELL
Open market or private sale
|
Direct |
7,827
-5.56%
|
$148,713
$19.28 P/Share
|
|
Jun 07
2021
|
Howard Lee |
BUY
Exercise of conversion of derivative security
|
Direct |
7,827
+5.27%
|
$125,232
$16.43 P/Share
|
|
Jun 07
2021
|
David Maris Director |
BUY
Grant, award, or other acquisition
|
Direct |
6,019
+23.9%
|
-
|
|
Jun 07
2021
|
Floyd F. Petersen |
BUY
Grant, award, or other acquisition
|
Direct |
6,019
+7.05%
|
-
|
|
Jun 07
2021
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
15,827
-17.75%
|
$300,713
$19.34 P/Share
|
|
Jun 07
2021
|
Floyd F. Petersen |
BUY
Exercise of conversion of derivative security
|
Direct |
15,827
+15.07%
|
$253,232
$16.43 P/Share
|
|
Jun 07
2021
|
Michael A Zasloff |
BUY
Grant, award, or other acquisition
|
Direct |
6,019
+11.31%
|
-
|
|
Jun 07
2021
|
Richard K Prins |
BUY
Grant, award, or other acquisition
|
Direct |
6,019
+11.76%
|
-
|
|
Jun 07
2021
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
5,000
-11.32%
|
$90,000
$18.7 P/Share
|
|
Jun 07
2021
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
5,000
+10.17%
|
$80,000
$16.43 P/Share
|
|
Jun 04
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Payment of exercise price or tax liability
|
Direct |
264
-0.48%
|
$4,752
$18.79 P/Share
|
|
Jun 04
2021
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
5,000
-11.32%
|
$90,000
$18.77 P/Share
|
|
Jun 04
2021
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
5,000
+10.17%
|
$80,000
$16.43 P/Share
|
|
Jun 03
2021
|
Floyd F. Petersen |
SELL
Open market or private sale
|
Direct |
10,000
-12.0%
|
$180,000
$18.65 P/Share
|
|
Jun 03
2021
|
Floyd F. Petersen |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+10.71%
|
$160,000
$16.43 P/Share
|
|
Jun 01
2021
|
Richard Koo Director |
SELL
Open market or private sale
|
Direct |
25,827
-9.25%
|
$490,713
$19.28 P/Share
|
|
Jun 01
2021
|
Richard Koo Director |
BUY
Exercise of conversion of derivative security
|
Direct |
25,827
+8.47%
|
$413,232
$16.43 P/Share
|
|
May 20
2021
|
Howard Lee |
SELL
Open market or private sale
|
Direct |
10,000
-7.0%
|
$190,000
$19.74 P/Share
|
|
May 20
2021
|
Howard Lee |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+6.54%
|
$160,000
$16.43 P/Share
|
|
May 19
2021
|
William J Peters CFO, EVP & TREASURER |
BUY
Grant, award, or other acquisition
|
Direct |
3,047
+2.66%
|
-
|
|
May 17
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Open market or private sale
|
Direct |
9,637
-15.25%
|
$183,103
$19.99 P/Share
|
|
May 17
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
9,637
+13.23%
|
$106,007
$11.33 P/Share
|
|
May 14
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Open market or private sale
|
Direct |
3,186
-5.61%
|
$60,534
$19.92 P/Share
|
|
May 14
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
17,419
-16.22%
|
$330,961
$19.72 P/Share
|
|
May 14
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
11,120
+9.38%
|
$155,680
$14.23 P/Share
|
|
May 13
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
700
-0.72%
|
$13,300
$19.58 P/Share
|
|
May 13
2021
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
700
+0.72%
|
$9,800
$14.23 P/Share
|
|
May 13
2021
|
Michael A Zasloff |
SELL
Open market or private sale
|
Direct |
25,827
-38.54%
|
$490,713
$19.34 P/Share
|
|
May 13
2021
|
Michael A Zasloff |
BUY
Exercise of conversion of derivative security
|
Direct |
25,827
+27.82%
|
$413,232
$16.43 P/Share
|
|
May 12
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Open market or private sale
|
Direct |
4,592
-7.48%
|
$87,248
$19.33 P/Share
|
|
May 11
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Open market or private sale
|
Direct |
10,000
-14.02%
|
$190,000
$19.06 P/Share
|
|
May 11
2021
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+12.29%
|
$110,000
$11.33 P/Share
|
|
May 11
2021
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
15,827
-28.78%
|
$284,886
$18.9 P/Share
|
|
May 11
2021
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
15,827
+22.35%
|
$253,232
$16.43 P/Share
|