Mary Z. Luo - Net Worth and Insider Trading

Mary Z. Luo Net Worth

The estimated net worth of Mary Z. Luo is at least $414 Million dollars as of 2024-05-14. Mary Z. Luo is the COO,Chief Scientist & Chairman, 10% Owner of Amphastar Pharmaceuticals Inc and owns about 10,015,813 shares of Amphastar Pharmaceuticals Inc (AMPH) stock worth over $414 Million. Details can be seen in Mary Z. Luo's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Mary Z. Luo has not made any transactions after 2024-01-10 and currently still holds the listed stock(s).

Transaction Summary of Mary Z. Luo

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Mary Z. Luo Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Mary Z. Luo owns 1 companies in total, including Amphastar Pharmaceuticals Inc (AMPH) .

Click here to see the complete history of Mary Z. Luo’s form 4 insider trades.

Insider Ownership Summary of Mary Z. Luo

Ticker Comapny Transaction Date Type of Owner
AMPH Amphastar Pharmaceuticals Inc 2024-01-10 director & 10 percent owner & COO and Chief Scientist

Mary Z. Luo Latest Holdings Summary

Mary Z. Luo currently owns a total of 1 stock. Mary Z. Luo owns 10,015,813 shares of Amphastar Pharmaceuticals Inc (AMPH) as of January 10, 2024, with a value of $414 Million.

Latest Holdings of Mary Z. Luo

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
AMPH Amphastar Pharmaceuticals Inc 2024-01-10 10,015,813 41.30 413,653,077

Holding Weightings of Mary Z. Luo


Mary Z. Luo Form 4 Trading Tracker

According to the SEC Form 4 filings, Mary Z. Luo has made a total of 2 transactions in Amphastar Pharmaceuticals Inc (AMPH) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Amphastar Pharmaceuticals Inc is the sale of 131,386 shares on January 10, 2024, which brought Mary Z. Luo around $7 Million.

Insider Trading History of Mary Z. Luo

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Mary Z. Luo Trading Performance

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Mary Z. Luo Ownership Network

Ownership Network List of Mary Z. Luo

No Data

Ownership Network Relation of Mary Z. Luo


Mary Z. Luo Owned Company Details

What does Amphastar Pharmaceuticals Inc do?

Who are the key executives at Amphastar Pharmaceuticals Inc?

Mary Z. Luo is the director & 10 percent owner & COO and Chief Scientist of Amphastar Pharmaceuticals Inc. Other key executives at Amphastar Pharmaceuticals Inc include CFO & SVP & Treasurer William J Peters , EVP & Production Rong Zhou , and SVP Corp Admin Center Yakob Liawatidewi .

Amphastar Pharmaceuticals Inc (AMPH) Insider Trades Summary

Over the past 18 months, Mary Z. Luo made 2 insider transaction in Amphastar Pharmaceuticals Inc (AMPH) with a net sale of 351,186. Other recent insider transactions involving Amphastar Pharmaceuticals Inc (AMPH) include a net sale of 11,491 shares made by Floyd F. Petersen , a net sale of 192,937 shares made by William J Peters , and a net sale of 27,830 shares made by Rong Zhou .

In summary, during the past 3 months, insiders sold 32,136 shares of Amphastar Pharmaceuticals Inc (AMPH) in total and bought 0 shares, with a net sale of 32,136 shares. During the past 18 months, 682,695 shares of Amphastar Pharmaceuticals Inc (AMPH) were sold and 0 shares were bought by its insiders, resulting in a net sale of 682,695 shares.

Amphastar Pharmaceuticals Inc (AMPH)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Amphastar Pharmaceuticals Inc Insider Transactions

No Available Data

Mary Z. Luo Mailing Address

Above is the net worth, insider trading, and ownership report for Mary Z. Luo. You might contact Mary Z. Luo via mailing address: 11570 6th Street, Rancho Cucamonga Ca 91730.

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