Margaret A Hamburg - Net Worth and Insider Trading

Margaret A Hamburg Net Worth

The estimated net worth of Margaret A Hamburg is at least $2 Million dollars as of 2024-11-13. Margaret A Hamburg is the Former Director of Henry Schein Inc and owns about 22,470 shares of Henry Schein Inc (HSIC) stock worth over $2 Million. Details can be seen in Margaret A Hamburg's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that Margaret A Hamburg has not made any transactions after 2009-05-20 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of Margaret A Hamburg

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Margaret A Hamburg Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Margaret A Hamburg owns 2 companies in total, including Alnylam Pharmaceuticals Inc (ALNY) , and Henry Schein Inc (HSIC) .

Click here to see the complete history of Margaret A Hamburg’s form 4 insider trades.

Insider Ownership Summary of Margaret A Hamburg

Ticker Comapny Transaction Date Type of Owner
ALNY Alnylam Pharmaceuticals Inc 2019-01-10 director
HSIC Henry Schein Inc 2009-05-20 director

Margaret A Hamburg Latest Holdings Summary

Margaret A Hamburg currently owns a total of 1 stock. Margaret A Hamburg owns 22,470 shares of Henry Schein Inc (HSIC) as of May 20, 2009, with a value of $2 Million.

Latest Holdings of Margaret A Hamburg

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
HSIC Henry Schein Inc 2009-05-20 22,470 67.46 1,515,826

Holding Weightings of Margaret A Hamburg


Margaret A Hamburg Form 4 Trading Tracker

According to the SEC Form 4 filings, Margaret A Hamburg has made a total of 0 transactions in Henry Schein Inc (HSIC) over the past 5 years. The most-recent trade in Henry Schein Inc is the sale of 102,000 shares on May 20, 2009, which brought Margaret A Hamburg around $2 Million.

Insider Trading History of Margaret A Hamburg

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.

Margaret A Hamburg Trading Performance

GuruFocus tracks the stock performance after each of Margaret A Hamburg's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Margaret A Hamburg is -14.13%. GuruFocus also compares Margaret A Hamburg's trading performance to market benchmark return within the same time period. The performance of stocks bought by Margaret A Hamburg within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how Margaret A Hamburg's insider trading performs compared to the benchmark.

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

Performance of Margaret A Hamburg

Average Return

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Average return per transaction

Outperforming Transactions

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0 out of 1 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) -4.36 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) -1.34 LIMIT LIMIT LIMIT LIMIT LIMIT

Margaret A Hamburg Ownership Network

Ownership Network List of Margaret A Hamburg

No Data

Ownership Network Relation of Margaret A Hamburg

Insider Network Chart

Margaret A Hamburg Owned Company Details

What does Alnylam Pharmaceuticals Inc do?

Who are the key executives at Alnylam Pharmaceuticals Inc?

Margaret A Hamburg is the director of Alnylam Pharmaceuticals Inc. Other key executives at Alnylam Pharmaceuticals Inc include EVP & Chief Commercial Officer Yvonne Greenstreet , EVP & Chief Commercial Officer Tolga Tanguler , and CMO & EVP Dev & Med Affairs Pushkal Garg .

Alnylam Pharmaceuticals Inc (ALNY) Insider Trades Summary

Over the past 18 months, Margaret A Hamburg made no insider transaction in Alnylam Pharmaceuticals Inc (ALNY). Other recent insider transactions involving Alnylam Pharmaceuticals Inc (ALNY) include a net sale of 52,531 shares made by Yvonne Greenstreet , a net sale of 10,304 shares made by Pushkal Garg , and a net sale of 5,639 shares made by Jeffrey V. Poulton .

In summary, during the past 3 months, insiders sold 15,000 shares of Alnylam Pharmaceuticals Inc (ALNY) in total and bought 0 shares, with a net sale of 15,000 shares. During the past 18 months, 249,128 shares of Alnylam Pharmaceuticals Inc (ALNY) were sold and 0 shares were bought by its insiders, resulting in a net sale of 249,128 shares.

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

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Alnylam Pharmaceuticals Inc Insider Transactions

No Available Data

Margaret A Hamburg Mailing Address

Above is the net worth, insider trading, and ownership report for Margaret A Hamburg. You might contact Margaret A Hamburg via mailing address: C/o Henry Schein Inc, 135 Doryer Road, Melville Ny 11747.