Amphastar Pharmaceuticals Insider Trades

AMPH

Track insider trading activity from Amphastar Pharmaceuticals executives and directors. See which insiders are buying and selling AMPH stock.

Trades Last 12 Months

AMPH Price

All Insider Trades for Amphastar Pharmaceuticals

Sort by: Latest Trade Biggest Holding
Insider
Holding Value
Last Transaction
Sale/Purchase
Amount
Price
Current Price
Liawatidewi Yakob EVP CORP ADMIN CENTER
Holding Value $2.21M 121,892 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$18.8k 1,033 shares
$18.18
$18.12
Zhou Rong SENIOR Evp, PRODUCTION CENTER
Holding Value $3.11M 171,554 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$22.3k 1,225 shares
$18.18
$18.12
Zhang Jack Y. 10% owner, CEO & CHIEF SCIENTIFIC OFFICER
Holding Value $54.2M 2,990,052 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$231k 12,692 shares
$18.18
$18.12
Peters William J Cfo, EVP & TREASURER
Holding Value $3.17M 175,063 shares
Last Trade
Mar 15, 2026 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$35.9k 1,973 shares
$18.18
$18.12
Holding Value $1.29M 71,368 shares
Last Trade
Dec 12, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$62.9k 2,426 shares
$25.92
$18.12
Prins Richard K Director
Holding Value $638k 35,183 shares
Last Trade
Nov 25, 2025 Sale (Open Market)Shares sold on the open market or in a private sale.
$113k 4,179 shares
$27.10
$18.12
Lee Howard Director
Holding Value $2.75M 151,976 shares
Last Trade
Jun 03, 2025 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$24k 923 shares
$26.01
$18.12
Holding Value $535k 29,524 shares
Last Trade
Jun 02, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$289k 11,402 shares
$25.38
$18.12
Gerst Diane G. Director
Holding Value $430k 23,756 shares
Last Trade
Jun 02, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$289k 11,402 shares
$25.38
$18.12
Deflin Gayle Director
Holding Value $207k 11,402 shares
Last Trade
Jun 02, 2025 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$289k 11,402 shares
$25.38
$18.12
Luo Mary Z. 10% owner, Coo,chief Scientist & Chairman
Holding Value $21M 1,157,566 shares
Last Trade
Jan 10, 2024 Sale (Open Market)Shares sold on the open market or in a private sale.
$7.17M 131,386 shares
$54.59
$18.12
Koo Richard Director
Holding Value $4.7M 259,289 shares
Last Trade
Jun 07, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$335k 17,182 shares
$19.52
$18.12
Maris David Director
Holding Value $347k 19,170 shares
Last Trade
Jun 07, 2021 Purchase (Award)Shares received as a grant, bonus, or other company award rather than an open-market purchase.
$335k 17,182 shares
$19.52
$18.12
Shandell Jason B. President And General Counsel
Holding Value $3.25M 179,276 shares
Last Trade
Mar 17, 2020 Sale (In-Kind)Shares used to pay exercise costs or tax withholding, or another in-kind transfer tied to compensation.
$135k 9,299 shares
$14.50
$18.12
Holding Value $133M 7,327,679 shares
Last Trade
Dec 13, 2018 Sale (Open Market)Shares sold on the open market or in a private sale.
$623k 29,689 shares
$20.99
$18.12
Holding Value $556k 30,706 shares
Last Trade
Dec 10, 2018 Sale (Open Market)Shares sold on the open market or in a private sale.
$1.27M 58,557 shares
$21.72
$18.12
Purchase Marilyn J. Corp. Exec. VP Of Operations
Holding Value $1.32M 72,902 shares
Last Trade
Apr 09, 2015 Purchase (Option Exercise)Shares acquired or sold by exercising stock options or converting another derivative security.
$414k 28,000 shares
$14.80
$18.12
Holding Value $4.78M 263,661 shares
Last Trade
Jun 28, 2006 Sale (Open Market)Shares sold on the open market or in a private sale.
No data
No data
$18.12
Zeff Daniel 10% owner
Holding Value $2.12M 117,171 shares
Last Trade
Mar 21, 2006 Sale (Open Market)Shares sold on the open market or in a private sale.
No data
No data
$18.12

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