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Amneal Pharmaceuticals

Recent Insider Transactions - Amphastar Pharmaceuticals (NASDAQ: AMPH)

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Company
Name / Role
Date
Type
Price
# Shares
Value
Balance
NASDAQ AMPH Amphastar Pharmaceuticals
Petersen Floyd F. / director
04/01/2025
Sell
$28.38
500
$14K
73,909
NASDAQ AMPH Amphastar Pharmaceuticals
Zhou Rong / officer: SENIOR EVP, PRODUCTION CENTER
03/15/2025
Sell
$26.66
1,222
$33K
139,464
NASDAQ AMPH Amphastar Pharmaceuticals
Zhou Rong / officer: SENIOR EVP, PRODUCTION CENTER
03/17/2025
Sell
$27.69
1,967
$54K
137,497
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/14/2025
Buy
$14.69
290,477
$4.267M
2.90M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/14/2025
Sell
$26.66
226,285
$6.033M
2.67M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/15/2025
Sell
$26.66
9,765
$260K
2.66M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/17/2025
Sell
$27.69
16,150
$447K
2.65M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/14/2025
Buy
$14.69
211,213
$3.103M
1.36M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/14/2025
Sell
$26.66
162,657
$4.336M
1.20M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/15/2025
Sell
$26.66
4,115
$110K
1.19M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/17/2025
Sell
$27.69
7,223
$200K
1.19M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/14/2025
Sell
$14.69
211,213
$3.103M
0
NASDAQ AMPH Amphastar Pharmaceuticals
Liawatidewi Yakob / director, officer: EVP CORP ADMIN CENTER
03/15/2025
Sell
$26.66
1,031
$27K
92,640
NASDAQ AMPH Amphastar Pharmaceuticals
Liawatidewi Yakob / director, officer: EVP CORP ADMIN CENTER
03/17/2025
Sell
$27.69
1,731
$48K
90,909
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/15/2025
Sell
$26.66
1,968
$52K
128,262
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/17/2025
Sell
$27.69
3,004
$83K
125,258
NASDAQ AMPH Amphastar Pharmaceuticals
Zhou Rong / officer: SENIOR EVP, PRODUCTION CENTER
03/10/2025
Buy
$28.41
52,437
$1.490M
52,437
NASDAQ AMPH Amphastar Pharmaceuticals
Liawatidewi Yakob / director, officer: EVP CORP ADMIN CENTER
03/10/2025
Buy
$28.41
44,253
$1.257M
44,253
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/10/2025
Buy
$28.41
78,039
$2.217M
78,039
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/10/2025
Buy
$28.41
246,821
$7.012M
246,821
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/10/2025
Buy
$28.41
104,052
$2.956M
104,052
NASDAQ AMPH Amphastar Pharmaceuticals
Zhou Rong / officer: SENIOR EVP, PRODUCTION CENTER
03/06/2025
Sell
$28.32
1,354
$38K
115,994
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/06/2025
Sell
$28.32
2,141
$61K
93,483
NASDAQ AMPH Amphastar Pharmaceuticals
Liawatidewi Yakob / director, officer: EVP CORP ADMIN CENTER
03/06/2025
Sell
$28.32
1,141
$32K
72,834
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/06/2025
Sell
$28.32
9,645
$273K
2.49M
NASDAQ AMPH Amphastar Pharmaceuticals
Zhang Jack Y. / director, 10 percent owner, officer: CEO & CHIEF SCIENTIFIC OFFICER
03/06/2025
Sell
$28.32
3,069
$87K
1.10M
NASDAQ AMPH Amphastar Pharmaceuticals
Petersen Floyd F. / director
03/06/2025
Sell
$27.99
1,000
$28K
74,409
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/04/2025
Buy
$13.35
7,490
$100K
101,594
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/04/2025
Sell
$27.54
4,231
$117K
97,363
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/04/2025
Sell
$27.62
1,739
$48K
95,624
NASDAQ AMPH Amphastar Pharmaceuticals
PETERS WILLIAM J / director, officer: CFO, EVP & TREASURER
03/04/2025
Sell
$13.35
7,490
$100K
0

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