Phillip A Sharp - Net Worth and Insider Trading
Phillip A Sharp Net Worth
The estimated net worth of Phillip A Sharp is at least $132 Million dollars as of 2025-03-05. Phillip A Sharp is the Director of Biogen Inc and owns about 468,033 shares of Biogen Inc (BIIB) stock worth over $67 Million. Phillip A Sharp is also the Director of Alnylam Pharmaceuticals Inc and owns about 266,899 shares of Alnylam Pharmaceuticals Inc (ALNY) stock worth over $65 Million. Details can be seen in Phillip A Sharp'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 Phillip A Sharp has not made any transactions after 2025-01-23 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Phillip A Sharp
Phillip A Sharp Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Phillip A Sharp owns 4 companies in total, including Alnylam Pharmaceuticals Inc (ALNY) , Syros Pharmaceuticals Inc (SYRS) , and Vir Biotechnology Inc (VIR) among others .
Click here to see the complete history of Phillip A Sharp’s form 4 insider trades.
Insider Ownership Summary of Phillip A Sharp
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
ALNY | Alnylam Pharmaceuticals Inc | 2025-01-23 | director |
SYRS | Syros Pharmaceuticals Inc | 2016-06-29 | director & 10 percent owner |
VIR | Vir Biotechnology Inc | 2019-10-10 | director |
![]() | ![]() | 2009-06-03 | director |
Phillip A Sharp Latest Holdings Summary
Phillip A Sharp currently owns a total of 2 stocks. Among these stocks, Phillip A Sharp owns 468,033 shares of Biogen Inc (BIIB) as of July 21, 2008, with a value of $67 Million and a weighting of 50.73%. Phillip A Sharp also owns 266,899 shares of Alnylam Pharmaceuticals Inc (ALNY) as of January 23, 2025, with a value of $65 Million and a weighting of 49.27%.
Latest Holdings of Phillip A Sharp
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
BIIB | Biogen Inc | 2008-07-21 | 468,033 | 142.65 | 66,764,907 |
ALNY | Alnylam Pharmaceuticals Inc | 2025-01-23 | 266,899 | 242.93 | 64,837,774 |
Holding Weightings of Phillip A Sharp
Phillip A Sharp Form 4 Trading Tracker
According to the SEC Form 4 filings, Phillip A Sharp has made a total of 0 transactions in Biogen Inc (BIIB) over the past 5 years. The most-recent trade in Biogen Inc is the sale of 72,500 shares on July 21, 2008, which brought Phillip A Sharp around $5 Million.
According to the SEC Form 4 filings, Phillip A Sharp has made a total of 5 transactions in Alnylam Pharmaceuticals Inc (ALNY) over the past 5 years, including 0 buys and 5 sells. The most-recent trade in Alnylam Pharmaceuticals Inc is the sale of 11,250 shares on January 23, 2025, which brought Phillip A Sharp around $3 Million.
Insider Trading History of Phillip A Sharp
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Phillip A Sharp Trading Performance
GuruFocus tracks the stock performance after each of Phillip A Sharp's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Phillip A Sharp is -7.4%. GuruFocus also compares Phillip A Sharp's trading performance to market benchmark return within the same time period. The performance of stocks bought by Phillip A Sharp within 3 months outperforms 0 times out of 2 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Phillip A Sharp's insider trading performs compared to the benchmark.
Performance of Phillip A Sharp
Phillip A Sharp Ownership Network
Ownership Network List of Phillip A Sharp
Ownership Network Relation of Phillip A Sharp

Phillip A Sharp Owned Company Details
What does Alnylam Pharmaceuticals Inc do?
Who are the key executives at Alnylam Pharmaceuticals Inc?
Phillip A Sharp is the director of Alnylam Pharmaceuticals Inc. Other key executives at Alnylam Pharmaceuticals Inc include EVP & Chief Commercial Officer Tolga Tanguler , CMO & EVP Dev & Med Affairs Pushkal Garg , and Chief Financial Officer Jeffrey V. Poulton .
Alnylam Pharmaceuticals Inc (ALNY) Insider Trades Summary
Over the past 18 months, Phillip A Sharp made 2 insider transaction in Alnylam Pharmaceuticals Inc (ALNY) with a net sale of 41,250. Other recent insider transactions involving Alnylam Pharmaceuticals Inc (ALNY) include a net sale of 57,806 shares made by Yvonne Greenstreet , a net sale of 62,747 shares made by Pushkal Garg , and a net sale of 28,822 shares made by Kevin Joseph Fitzgerald .
In summary, during the past 3 months, insiders sold 78,626 shares of Alnylam Pharmaceuticals Inc (ALNY) in total and bought 0 shares, with a net sale of 78,626 shares. During the past 18 months, 315,157 shares of Alnylam Pharmaceuticals Inc (ALNY) were sold and 0 shares were bought by its insiders, resulting in a net sale of 315,157 shares.
Alnylam Pharmaceuticals Inc (ALNY)'s detailed insider trading history can be found in Insider Trading Tracker table.
Alnylam Pharmaceuticals Inc Insider Transactions
Phillip A Sharp Mailing Address
Above is the net worth, insider trading, and ownership report for Phillip A Sharp. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Phillip A Sharp's mailing address is: Cambridge Ma 02142.