Insider Transactions in Q4 2024 at Amphastar Pharmaceuticals, Inc. (AMPH)
Insider Transaction List (Q4 2024)
| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 13
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
8,000
-6.33%
|
$360,000
$45.23 P/Share
|
|
Dec 13
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
8,000
+5.95%
|
$88,000
$11.33 P/Share
|
|
Dec 12
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
7,000
-5.58%
|
$308,000
$44.42 P/Share
|
|
Dec 12
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,000
+5.28%
|
$77,000
$11.33 P/Share
|
|
Dec 09
2024
|
Richard K Prins |
SELL
Bona fide gift
|
Direct |
410
-1.35%
|
-
|
|
Dec 09
2024
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
10,000
-24.71%
|
$430,000
$43.77 P/Share
|
|
Dec 09
2024
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
10,000
+19.81%
|
$190,000
$19.52 P/Share
|
|
Nov 12
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
SELL
Open market or private sale
|
Direct |
6,893
-5.5%
|
$330,864
$48.88 P/Share
|
|
Nov 12
2024
|
Rong Zhou SENIOR EVP, PRODUCTION CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
6,893
+5.22%
|
$96,502
$14.95 P/Share
|
|
Nov 12
2024
|
Richard K Prins |
SELL
Bona fide gift
|
Direct |
1,000
-3.18%
|
-
|
|
Nov 12
2024
|
Richard K Prins |
SELL
Open market or private sale
|
Direct |
5,000
-13.71%
|
$240,000
$48.8 P/Share
|
|
Nov 12
2024
|
Richard K Prins |
BUY
Exercise of conversion of derivative security
|
Direct |
2,500
+6.42%
|
$40,000
$16.69 P/Share
|
|
Nov 11
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Bona fide gift
|
Indirect |
125,000
-10.16%
|
-
|
|
Nov 11
2024
|
Jack Y. Zhang CEO & CHIEF SCIENTIFIC OFFICER |
SELL
Bona fide gift
|
Direct |
125,000
-4.75%
|
-
|
|
Nov 06
2024
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
SELL
Open market or private sale
|
Direct |
5,214
-6.51%
|
$271,128
$52.05 P/Share
|
|
Nov 06
2024
|
Yakob Liawatidewi EVP CORP ADMIN CENTER |
BUY
Exercise of conversion of derivative security
|
Direct |
5,214
+6.11%
|
$67,782
$13.03 P/Share
|
|
Nov 06
2024
|
William J Peters CFO, EVP & TREASURER |
SELL
Open market or private sale
|
Direct |
7,426
-7.31%
|
$386,152
$52.05 P/Share
|
|
Nov 06
2024
|
William J Peters CFO, EVP & TREASURER |
BUY
Exercise of conversion of derivative security
|
Direct |
7,426
+6.82%
|
$96,538
$13.03 P/Share
|