David Hallal - Net Worth and Insider Trading
David Hallal Net Worth
The estimated net worth of David Hallal is at least $43 Million dollars as of 2025-04-28. David Hallal is the CEO of Alexion Pharmaceuticals Inc and owns about 189,266 shares of Alexion Pharmaceuticals Inc (ALXN) stock worth over $35 Million. David Hallal is the Director, 10% Owner of AlloVir Inc and owns about 852,503 shares of AlloVir Inc (ALVR) stock worth over $8 Million. David Hallal is also the Director of ITeos Therapeutics Inc and owns about 0 shares of ITeos Therapeutics Inc (ITOS) stock worth over $0. Details can be seen in David Hallal'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 David Hallal has not made any transactions after 2022-10-19 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of David Hallal
David Hallal Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, David Hallal owns 5 companies in total, including AlloVir Inc (ALVR) , ITeos Therapeutics Inc (ITOS) , and Scholar Rock Holding Corp (SRRK) among others .
Click here to see the complete history of David Hallal’s form 4 insider trades.
Insider Ownership Summary of David Hallal
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
ALVR | AlloVir Inc | 2022-10-19 | director & 10 percent owner & Chief Executive Officer |
ITOS | ITeos Therapeutics Inc | 2022-06-09 | director |
SRRK | Scholar Rock Holding Corp | 2018-05-23 | director |
![]() | ![]() | 2016-08-08 | director & CEO |
![]() | ![]() | 2021-06-17 | director |
David Hallal Latest Holdings Summary
David Hallal currently owns a total of 3 stocks. Among these stocks, David Hallal owns 189,266 shares of Alexion Pharmaceuticals Inc (ALXN) as of August 8, 2016, with a value of $35 Million and a weighting of 80.51%. David Hallal owns 852,503 shares of AlloVir Inc (ALVR) as of October 19, 2022, with a value of $8 Million and a weighting of 19.49%. David Hallal also owns 0 shares of ITeos Therapeutics Inc (ITOS) as of June 9, 2022, with a value of $0 and a weighting of 0%.
Latest Holdings of David Hallal
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
ALXN | Alexion Pharmaceuticals Inc | 2016-08-08 | 189,266 | 182.50 | 34,541,045 |
ALVR | AlloVir Inc | 2022-10-19 | 852,503 | 9.81 | 8,363,054 |
ITOS | ITeos Therapeutics Inc | 2022-06-09 | 0 | 7.35 | 0 |
Holding Weightings of David Hallal
David Hallal Form 4 Trading Tracker
According to the SEC Form 4 filings, David Hallal has made a total of 0 transactions in Alexion Pharmaceuticals Inc (ALXN) over the past 5 years. The most-recent trade in Alexion Pharmaceuticals Inc is the sale of 332 shares on August 8, 2016, which brought David Hallal around $45,531.
According to the SEC Form 4 filings, David Hallal has made a total of 7 transactions in AlloVir Inc (ALVR) over the past 5 years, including 0 buys and 7 sells. The most-recent trade in AlloVir Inc is the sale of 26,087 shares on October 19, 2022, which brought David Hallal around $5 Million.
According to the SEC Form 4 filings, David Hallal has made a total of 2 transactions in ITeos Therapeutics Inc (ITOS) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in ITeos Therapeutics Inc is the sale of 29,615 shares on June 9, 2022, which brought David Hallal around $597,335.
Insider Trading History of David Hallal
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David Hallal Trading Performance
David Hallal Ownership Network
Ownership Network List of David Hallal
Ownership Network Relation of David Hallal

David Hallal Owned Company Details
What does AlloVir Inc do?
Who are the key executives at AlloVir Inc?
David Hallal is the director & 10 percent owner & Chief Executive Officer of AlloVir Inc. Other key executives at AlloVir Inc include director & 10 percent owner & See Remarks Vikas Sinha , General Counsel Edward Miller , and Chief Accounting Officer Brett R Hagen .
AlloVir Inc (ALVR) Insider Trades Summary
Over the past 18 months, David Hallal made no insider transaction in AlloVir Inc (ALVR). Other recent insider transactions involving AlloVir Inc (ALVR) include a net sale of 58,196 shares made by Brett R Hagen , a net sale of 67,093 shares made by Vikas Sinha , and a net sale of 158,614 shares made by Diana Brainard .
In summary, during the past 3 months, insiders sold 505 shares of AlloVir Inc (ALVR) in total and bought 0 shares, with a net sale of 505 shares. During the past 18 months, 14,122 shares of AlloVir Inc (ALVR) were sold and 0 shares were bought by its insiders, resulting in a net sale of 14,122 shares.
AlloVir Inc (ALVR)'s detailed insider trading history can be found in Insider Trading Tracker table.
AlloVir Inc Insider Transactions
David Hallal Mailing Address
Above is the net worth, insider trading, and ownership report for David Hallal. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, David Hallal's mailing address is: Cheshire Ct 06410.