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NASDAQ: AMPH
Amphastar Pharmaceuticals Inc Stock Ownership - Who owns Amphastar Pharmaceuticals?

OverviewForecastEarningsDividendOwnership

Insider buying vs selling

Have Amphastar Pharmaceuticals Inc insiders been buying or selling?
Buy
Sell
NameRoleDateSharesPriceValue
William J. PetersCFO EVP Treasurer2023-09-0621,250$20.23
$429.89kBuy
William J. PetersCFO EVP Treasurer2023-09-0610,000$19.79
$197.90kBuy
William J. PetersCFO EVP Treasurer2023-09-0659$52.26
$3.08kSell
William J. PetersCFO EVP Treasurer2023-09-0660,684$51.75
$3.14MSell
William J. PetersCFO EVP Treasurer2023-09-0625,250$13.03
$329.01kBuy
Yakob LiawatidewiEVP Corp Admin Center2023-08-2828,816$53.13
$1.53MSell
Yakob LiawatidewiEVP Corp Admin Center2023-08-2820,000$13.03
$260.60kBuy
Yakob LiawatidewiEVP Corp Admin Center2023-08-285,497$20.23
$111.20kBuy
Yakob LiawatidewiEVP Corp Admin Center2023-08-283,319$16.96
$56.29kBuy
Richard K. PrinsDirector2023-08-182,000$52.50
$105.01kSell

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Net Insider Buy/Sell (L12M) Ownership

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AMPH Shareholders

What type of owners hold Amphastar Pharmaceuticals Inc stock?
Institutional
Insider
Retail
NameHoldSharesValueType
Jack Y. Zhang20.31%9,920,312$451.47MInsider
Mary Z. Luo16.17%7,900,567$359.55MInsider
Applied Physics Chemistry Laboratories Inc15.00%7,327,679$333.48MInsider
Blackrock Inc12.46%6,088,227$277.08MInstitution
Federated Hermes Inc7.02%3,428,930$156.05MInstitution
Vanguard Group Inc5.68%2,773,609$126.23MInstitution
Dimensional Fund Advisors LP3.95%1,930,615$87.86MInstitution
Neuberger Berman Group LLC3.05%1,490,284$67.82MInstitution
State Street Corp2.85%1,394,504$63.46MInstitution
Fuller Thaler Asset Management Inc2.62%1,279,495$58.23MInstitution

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AMPH vs Pharmaceutical Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
AMPH54.36%45.64%Net SellingNet Selling
ALVO6.60%0.00%
DVAX71.91%28.09%Net SellingNet Selling
HCM2.83%0.00%
TLRY7.66%2.17%Net BuyingNet Buying
View Top Pharmaceutical Stocks

Amphastar Pharmaceuticals Stock Ownership FAQ

Who owns Amphastar Pharmaceuticals?

Amphastar Pharmaceuticals (NASDAQ: AMPH) is owned by 64.27% institutional shareholders, 53.95% Amphastar Pharmaceuticals insiders, and 0.00% retail investors. Jack Y. Zhang is the largest individual Amphastar Pharmaceuticals shareholder, owning 9.92M shares representing 20.31% of the company. Jack Y. Zhang's Amphastar Pharmaceuticals shares are currently valued at $451.47M.

If you're new to stock investing, here's how to buy Amphastar Pharmaceuticals stock.
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