Gail Boxer Marcus - Net Worth and Insider Trading
Gail Boxer Marcus Net Worth
The estimated net worth of Gail Boxer Marcus is at least $2 Million dollars as of 2025-05-08. Gail Boxer Marcus is the Director of Natera Inc and owns about 9,704 shares of Natera Inc (NTRA) stock worth over $2 Million. Details can be seen in Gail Boxer Marcus'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 Gail Boxer Marcus has not made any transactions after 2025-05-01 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Gail Boxer Marcus
Gail Boxer Marcus Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Gail Boxer Marcus owns 2 companies in total, including Natera Inc (NTRA) , and Triple-S Management Corp (GTS) .
Click here to see the complete history of Gail Boxer Marcus’s form 4 insider trades.
Insider Ownership Summary of Gail Boxer Marcus
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
NTRA | Natera Inc | 2025-05-01 | director |
GTS | Triple-S Management Corp | 2020-04-27 | director |
Gail Boxer Marcus Latest Holdings Summary
Gail Boxer Marcus currently owns a total of 1 stock. Gail Boxer Marcus owns 9,704 shares of Natera Inc (NTRA) as of May 1, 2025, with a value of $2 Million.
Latest Holdings of Gail Boxer Marcus
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
NTRA | Natera Inc | 2025-05-01 | 9,704 | 163.09 | 1,582,625 |
Holding Weightings of Gail Boxer Marcus
Gail Boxer Marcus Form 4 Trading Tracker
According to the SEC Form 4 filings, Gail Boxer Marcus has made a total of 10 transactions in Natera Inc (NTRA) over the past 5 years, including 0 buys and 10 sells. The most-recent trade in Natera Inc is the sale of 4,000 shares on May 1, 2025, which brought Gail Boxer Marcus around $606,440.
Insider Trading History of Gail Boxer Marcus
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Gail Boxer Marcus Trading Performance
Gail Boxer Marcus Ownership Network
Ownership Network List of Gail Boxer Marcus
Ownership Network Relation of Gail Boxer Marcus

Gail Boxer Marcus Owned Company Details
What does Natera Inc do?
Who are the key executives at Natera Inc?
Gail Boxer Marcus is the director of Natera Inc. Other key executives at Natera Inc include Chief Operating Officer Steven Leonard Chapman , Chief Financial Officer Michael Burkes Brophy , and director & Chief Technology Officer Jonathan Sheena .
Natera Inc (NTRA) Insider Trades Summary
Over the past 18 months, Gail Boxer Marcus made 8 insider transaction in Natera Inc (NTRA) with a net sale of 27,394. Other recent insider transactions involving Natera Inc (NTRA) include a net sale of 187,042 shares made by Michael Burkes Brophy , a net sale of 497,056 shares made by Steven Leonard Chapman , and a net sale of 201,783 shares made by Jonathan Sheena .
In summary, during the past 3 months, insiders sold 251,661 shares of Natera Inc (NTRA) in total and bought 0 shares, with a net sale of 251,661 shares. During the past 18 months, 2,533,378 shares of Natera Inc (NTRA) were sold and 0 shares were bought by its insiders, resulting in a net sale of 2,533,378 shares.
Natera Inc (NTRA)'s detailed insider trading history can be found in Insider Trading Tracker table.
Natera Inc Insider Transactions
Gail Boxer Marcus Mailing Address
Above is the net worth, insider trading, and ownership report for Gail Boxer Marcus. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Gail Boxer Marcus's mailing address is: San Carlos Ca 94070.