Michael Graff - Net Worth and Insider Trading
Michael Graff Net Worth
The estimated net worth of Michael Graff is at least $24 Million dollars as of 2025-04-15. Michael Graff is the Director of TransDigm Group Inc and owns about 18,175 shares of TransDigm Group Inc (TDG) stock worth over $24 Million. Michael Graff is also the Director of Builders FirstSource Inc and owns about 0 shares of Builders FirstSource Inc (BLDR) stock worth over $0. Details can be seen in Michael Graff'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 Michael Graff has not made any transactions after 2024-02-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Michael Graff
Michael Graff Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Michael Graff owns 2 companies in total, including TransDigm Group Inc (TDG) , and Builders FirstSource Inc (BLDR) .
Click here to see the complete history of Michael Graff’s form 4 insider trades.
Insider Ownership Summary of Michael Graff
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
TDG | TransDigm Group Inc | 2024-02-13 | director |
BLDR | Builders FirstSource Inc | 2016-05-24 | director |
Michael Graff Latest Holdings Summary
Michael Graff currently owns a total of 2 stocks. Among these stocks, Michael Graff owns 18,175 shares of TransDigm Group Inc (TDG) as of February 13, 2024, with a value of $24 Million and a weighting of 100%. Michael Graff also owns 0 shares of Builders FirstSource Inc (BLDR) as of May 24, 2016, with a value of $0 and a weighting of 0%.
Latest Holdings of Michael Graff
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
TDG | TransDigm Group Inc | 2024-02-13 | 18,175 | 1,337.13 | 24,302,338 |
BLDR | Builders FirstSource Inc | 2016-05-24 | 0 | 119.50 | 0 |
Holding Weightings of Michael Graff
Michael Graff Form 4 Trading Tracker
According to the SEC Form 4 filings, Michael Graff has made a total of 2 transactions in TransDigm Group Inc (TDG) over the past 5 years, including 1 buys and 1 sells. The most-recent trade in TransDigm Group Inc is the sale of 3,460 shares on February 13, 2024, which brought Michael Graff around $4 Million.
According to the SEC Form 4 filings, Michael Graff has made a total of 0 transactions in Builders FirstSource Inc (BLDR) over the past 5 years. The most-recent trade in Builders FirstSource Inc is the sale of 13,263,266 shares on May 24, 2016, which brought Michael Graff around $138 Million.
Insider Trading History of Michael Graff
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Michael Graff Trading Performance
GuruFocus tracks the stock performance after each of Michael Graff's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Michael Graff is 10.36%. GuruFocus also compares Michael Graff's trading performance to market benchmark return within the same time period. The performance of stocks bought by Michael Graff within 3 months outperforms 16 times out of 20 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Michael Graff's insider trading performs compared to the benchmark.
Performance of Michael Graff
Michael Graff Ownership Network
Ownership Network List of Michael Graff
Ownership Network Relation of Michael Graff

Michael Graff Owned Company Details
What does TransDigm Group Inc do?
Who are the key executives at TransDigm Group Inc?
Michael Graff is the director of TransDigm Group Inc. Other key executives at TransDigm Group Inc include Executive Vice President Joel Reiss , Chief Executive Officer W Nicholas Howley , and COO - Power Kevin M Stein .
TransDigm Group Inc (TDG) Insider Trades Summary
Over the past 18 months, Michael Graff made 1 insider transaction in TransDigm Group Inc (TDG) with a net sale of 3,460. Other recent insider transactions involving TransDigm Group Inc (TDG) include a net sale of 223,947 shares made by W Nicholas Howley , a net sale of 48,000 shares made by Joel Reiss , and a net sale of 601,796 shares made by Robert J Small .
In summary, during the past 3 months, insiders sold 153,628 shares of TransDigm Group Inc (TDG) in total and bought 0 shares, with a net sale of 153,628 shares. During the past 18 months, 1,100,638 shares of TransDigm Group Inc (TDG) were sold and 0 shares were bought by its insiders, resulting in a net sale of 1,100,638 shares.
TransDigm Group Inc (TDG)'s detailed insider trading history can be found in Insider Trading Tracker table.
TransDigm Group Inc Insider Transactions
Michael Graff Mailing Address
Above is the net worth, insider trading, and ownership report for Michael Graff. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Michael Graff's mailing address is: New York Ny 10017.