John M Sprague - Net Worth and Insider Trading
John M Sprague Net Worth
The estimated net worth of John M Sprague is at least $8 dollars as of 2025-04-18. John M Sprague is the CFO of T2 Biosystems Inc and owns about 73 shares of T2 Biosystems Inc (TTOO) stock worth over $8. Details can be seen in John M Sprague'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 John M Sprague has not made any transactions after 2023-02-28 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of John M Sprague
John M Sprague Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John M Sprague owns 1 companies in total, including T2 Biosystems Inc (TTOO) .
Click here to see the complete history of John M Sprague’s form 4 insider trades.
Insider Ownership Summary of John M Sprague
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
TTOO | T2 Biosystems Inc | 2023-02-28 | Chief Financial Officer |
John M Sprague Latest Holdings Summary
John M Sprague currently owns a total of 1 stock. John M Sprague owns 73 shares of T2 Biosystems Inc (TTOO) as of February 28, 2023, with a value of $8.
Latest Holdings of John M Sprague
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
TTOO | T2 Biosystems Inc | 2023-02-28 | 73 | 0.11 | 8 |
Holding Weightings of John M Sprague
John M Sprague Form 4 Trading Tracker
According to the SEC Form 4 filings, John M Sprague has made a total of 3 transactions in T2 Biosystems Inc (TTOO) over the past 5 years, including 1 buys and 2 sells. The most-recent trade in T2 Biosystems Inc is the sale of 27 shares on February 28, 2023, which brought John M Sprague around $1,670.
Insider Trading History of John M Sprague
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John M Sprague Trading Performance
GuruFocus tracks the stock performance after each of John M Sprague's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John M Sprague is -68.79%. GuruFocus also compares John M Sprague's trading performance to market benchmark return within the same time period. The performance of stocks bought by John M Sprague 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 John M Sprague's insider trading performs compared to the benchmark.
Performance of John M Sprague
John M Sprague Ownership Network
Ownership Network List of John M Sprague
Ownership Network Relation of John M Sprague

John M Sprague Owned Company Details
What does T2 Biosystems Inc do?
Who are the key executives at T2 Biosystems Inc?
John M Sprague is the Chief Financial Officer of T2 Biosystems Inc. Other key executives at T2 Biosystems Inc include 10 percent owner Cr Group L.p. , 10 percent owner Crg Partners Iii - Parallel Fund (a) L.p. , and 10 percent owner Crg Partners Iii L.p. .
T2 Biosystems Inc (TTOO) Insider Trades Summary
Over the past 18 months, John M Sprague made no insider transaction in T2 Biosystems Inc (TTOO). Other recent insider transactions involving T2 Biosystems Inc (TTOO) include a net sale of 55 shares made by David B Elsbree ,
In summary, during the past 3 months, insiders sold 0 shares of T2 Biosystems Inc (TTOO) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 55 shares of T2 Biosystems Inc (TTOO) were sold and 0 shares were bought by its insiders, resulting in a net sale of 55 shares.
T2 Biosystems Inc (TTOO)'s detailed insider trading history can be found in Insider Trading Tracker table.
T2 Biosystems Inc Insider Transactions
John M Sprague Mailing Address
Above is the net worth, insider trading, and ownership report for John M Sprague. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, John M Sprague's mailing address is: Lexington Ma 02421.