Sean P Hennessy - Net Worth and Insider Trading
Sean P Hennessy Net Worth
The estimated net worth of Sean P Hennessy is at least $149 Million dollars as of 2025-07-23. Sean P Hennessy is the SVP-Finance & CFO of Sherwin-Williams Co and owns about 274,313 shares of Sherwin-Williams Co (SHW) stock worth over $94 Million. Sean P Hennessy is the Director of TransDigm Group Inc and owns about 33,713 shares of TransDigm Group Inc (TDG) stock worth over $54 Million. Sean P Hennessy is also the Director of Perimeter Solutions Inc and owns about 100,000 shares of Perimeter Solutions Inc (PRM) stock worth over $2 Million. Details can be seen in Sean P Hennessy'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 Sean P Hennessy has not made any transactions after 2025-05-20 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of Sean P Hennessy
Sean P Hennessy Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Sean P Hennessy owns 3 companies in total, including TransDigm Group Inc (TDG) , Sherwin-Williams Co (SHW) , and Perimeter Solutions Inc (PRM) .
Click here to see the complete history of Sean P Hennessy’s form 4 insider trades.
Insider Ownership Summary of Sean P Hennessy
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| TDG | TransDigm Group Inc | 2025-05-20 | director |
| SHW | Sherwin-Williams Co | 2016-05-13 | Sr. VP-Finance & CFO |
| PRM | Perimeter Solutions Inc | 2021-11-09 | director |
Sean P Hennessy Latest Holdings Summary
Sean P Hennessy currently owns a total of 3 stocks. Among these stocks, Sean P Hennessy owns 274,313 shares of Sherwin-Williams Co (SHW) as of May 13, 2016, with a value of $94 Million and a weighting of 63.05%. Sean P Hennessy owns 33,713 shares of TransDigm Group Inc (TDG) as of May 20, 2025, with a value of $54 Million and a weighting of 35.83%. Sean P Hennessy also owns 100,000 shares of Perimeter Solutions Inc (PRM) as of November 9, 2021, with a value of $2 Million and a weighting of 1.12%.
Latest Holdings of Sean P Hennessy
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| SHW | Sherwin-Williams Co | 2016-05-13 | 274,313 | 343.60 | 94,253,947 |
| TDG | TransDigm Group Inc | 2025-05-20 | 33,713 | 1,588.92 | 53,567,260 |
| PRM | Perimeter Solutions Inc | 2021-11-09 | 100,000 | 16.75 | 1,675,000 |
Holding Weightings of Sean P Hennessy
Sean P Hennessy Form 4 Trading Tracker
According to the SEC Form 4 filings, Sean P Hennessy has made a total of 0 transactions in Sherwin-Williams Co (SHW) over the past 5 years. The most-recent trade in Sherwin-Williams Co is the sale of 61,059 shares on May 13, 2016, which brought Sean P Hennessy around $6 Million.
According to the SEC Form 4 filings, Sean P Hennessy has made a total of 4 transactions in TransDigm Group Inc (TDG) over the past 5 years, including 1 buys and 3 sells. The most-recent trade in TransDigm Group Inc is the sale of 4,700 shares on May 20, 2025, which brought Sean P Hennessy around $7 Million.
According to the SEC Form 4 filings, Sean P Hennessy has made a total of 1 transactions in Perimeter Solutions Inc (PRM) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Perimeter Solutions Inc is the acquisition of 100,000 shares on November 9, 2021, which cost Sean P Hennessy around $1,000,000.
Insider Trading History of Sean P Hennessy
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Sean P Hennessy Trading Performance
GuruFocus tracks the stock performance after each of Sean P Hennessy's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Sean P Hennessy is 11.77%. GuruFocus also compares Sean P Hennessy's trading performance to market benchmark return within the same time period. The performance of stocks bought by Sean P Hennessy within 3 months outperforms 5 times out of 5 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Sean P Hennessy's insider trading performs compared to the benchmark.
Performance of Sean P Hennessy
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 10.26 | | | | | |
| Relative Return to S&P 500(%) | 6.59 | | | | | |
Sean P Hennessy Ownership Network
Ownership Network List of Sean P Hennessy
Ownership Network Relation of Sean P Hennessy
Sean P Hennessy Owned Company Details
What does TransDigm Group Inc do?
Who are the key executives at TransDigm Group Inc?
Sean P Hennessy 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 Corporate Accounting Officer Sarah Wynne .
TransDigm Group Inc (TDG) Insider Trades Summary
Over the past 18 months, Sean P Hennessy made 1 insider transaction in TransDigm Group Inc (TDG) with a net sale of 4,700. Other recent insider transactions involving TransDigm Group Inc (TDG) include a net sale of 191,558 shares made by W Nicholas Howley , a net sale of 51,300 shares made by Joel Reiss , and a net sale of 160,000 shares made by Kevin M Stein .
In summary, during the past 3 months, insiders sold 132,339 shares of TransDigm Group Inc (TDG) in total and bought 0 shares, with a net sale of 132,339 shares. During the past 18 months, 977,808 shares of TransDigm Group Inc (TDG) were sold and 0 shares were bought by its insiders, resulting in a net sale of 977,808 shares.
TransDigm Group Inc (TDG)'s detailed insider trading history can be found in Insider Trading Tracker table.
TransDigm Group Inc Insider Transactions
Sean P Hennessy Mailing Address
Above is the net worth, insider trading, and ownership report for Sean P Hennessy. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Sean P Hennessy's mailing address is: Cleveland Oh 44115.
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