Joe Mastrangelo - Net Worth and Insider Trading
Joe Mastrangelo Net Worth
The estimated net worth of Joe Mastrangelo is at least $5 Million dollars as of 2025-07-02. Joe Mastrangelo is the CEO of Eos Energy Enterprises Inc and owns about 1,109,409 shares of Eos Energy Enterprises Inc (EOSE) stock worth over $5 Million. Details can be seen in Joe Mastrangelo'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 Joe Mastrangelo has not made any transactions after 2025-05-16 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Joe Mastrangelo
Joe Mastrangelo Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Joe Mastrangelo owns 1 companies in total, including Eos Energy Enterprises Inc (EOSE) .
Click here to see the complete history of Joe Mastrangelo’s form 4 insider trades.
Insider Ownership Summary of Joe Mastrangelo
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
EOSE | Eos Energy Enterprises Inc | 2025-05-16 | director & Chief Executive Officer |
Joe Mastrangelo Latest Holdings Summary
Joe Mastrangelo currently owns a total of 1 stock. Joe Mastrangelo owns 1,109,409 shares of Eos Energy Enterprises Inc (EOSE) as of May 16, 2025, with a value of $5 Million.
Latest Holdings of Joe Mastrangelo
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
EOSE | Eos Energy Enterprises Inc | 2025-05-16 | 1,109,409 | 4.87 | 5,402,822 |
Holding Weightings of Joe Mastrangelo
Joe Mastrangelo Form 4 Trading Tracker
According to the SEC Form 4 filings, Joe Mastrangelo has made a total of 7 transactions in Eos Energy Enterprises Inc (EOSE) over the past 5 years, including 6 buys and 1 sells. The most-recent trade in Eos Energy Enterprises Inc is the sale of 270,384 shares on May 16, 2025, which brought Joe Mastrangelo around $2 Million.
Insider Trading History of Joe Mastrangelo
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Joe Mastrangelo Trading Performance
GuruFocus tracks the stock performance after each of Joe Mastrangelo's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Joe Mastrangelo is 5.07%. GuruFocus also compares Joe Mastrangelo's trading performance to market benchmark return within the same time period. The performance of stocks bought by Joe Mastrangelo within 3 months outperforms 2 times out of 6 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Joe Mastrangelo's insider trading performs compared to the benchmark.
Performance of Joe Mastrangelo
Joe Mastrangelo Ownership Network
Ownership Network List of Joe Mastrangelo
Ownership Network Relation of Joe Mastrangelo

Joe Mastrangelo Owned Company Details
What does Eos Energy Enterprises Inc do?
Who are the key executives at Eos Energy Enterprises Inc?
Joe Mastrangelo is the director & Chief Executive Officer of Eos Energy Enterprises Inc. Other key executives at Eos Energy Enterprises Inc include Chief Accounting Officer Sumeet Puri , Chief Financial Officer Nathan Kroeker , and director & CEO and CFO Daniel Shribman .
Eos Energy Enterprises Inc (EOSE) Insider Trades Summary
Over the past 18 months, Joe Mastrangelo made 2 insider transaction in Eos Energy Enterprises Inc (EOSE) with a net sale of 217,584. Other recent insider transactions involving Eos Energy Enterprises Inc (EOSE) include a net purchase of 10,000 shares made by Alexander Dimitrief , a net sale of 162,720 shares made by Jeffrey S Bornstein , and a net sale of 152,856 shares made by Nathan Kroeker .
In summary, during the past 3 months, insiders sold 560,356 shares of Eos Energy Enterprises Inc (EOSE) in total and bought 0 shares, with a net sale of 560,356 shares. During the past 18 months, 723,076 shares of Eos Energy Enterprises Inc (EOSE) were sold and 62,800 shares were bought by its insiders, resulting in a net sale of 660,276 shares.
Eos Energy Enterprises Inc (EOSE)'s detailed insider trading history can be found in Insider Trading Tracker table.
Eos Energy Enterprises Inc Insider Transactions
Joe Mastrangelo Mailing Address
Above is the net worth, insider trading, and ownership report for Joe Mastrangelo. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Joe Mastrangelo's mailing address is: Franklin Township Nj 08873.