John C Plant - Net Worth and Insider Trading
John C Plant Net Worth
The estimated net worth of John C Plant is at least $36 Million dollars as of 2025-04-28. John C Plant is the Chairman and CEO of Howmet Aerospace Inc and owns about 248,282 shares of Howmet Aerospace Inc (HWM) stock worth over $34 Million. John C Plant is the Director of Masco Corp and owns about 19,534 shares of Masco Corp (MAS) stock worth over $1 Million. John C Plant is also the Director of Jabil Inc and owns about 5,900 shares of Jabil Inc (JBL) stock worth over $866,828. Details can be seen in John C Plant'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 C Plant has not made any transactions after 2025-01-24 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of John C Plant
John C Plant Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John C Plant owns 5 companies in total, including Jabil Inc (JBL) , Alcoa Inc (ARNC.PR.PFD) , and Masco Corp (MAS) among others .
Click here to see the complete history of John C Plant’s form 4 insider trades.
Insider Ownership Summary of John C Plant
| Ticker | Company | Transaction Date | Type of Owner |
|---|---|---|---|
| JBL | Jabil Inc | 2025-01-24 | director |
| ARNC.PR.PFD | Alcoa Inc | 2020-08-06 | director & Chairman and Co-CEO |
| MAS | Masco Corp | 2016-07-29 | director |
 | | 2018-01-25 | director |
| | 2019-08-07 | director |
John C Plant Latest Holdings Summary
John C Plant currently owns a total of 3 stocks. Among these stocks, John C Plant owns 248,282 shares of Howmet Aerospace Inc (HWM) as of August 7, 2019, with a value of $34 Million and a weighting of 94.27%. John C Plant owns 19,534 shares of Masco Corp (MAS) as of July 29, 2016, with a value of $1 Million and a weighting of 3.3%. John C Plant also owns 5,900 shares of Jabil Inc (JBL) as of January 24, 2025, with a value of $866,828 and a weighting of 2.42%.
Latest Holdings of John C Plant
| Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| HWM | Howmet Aerospace Inc | 2019-08-07 | 248,282 | 135.76 | 33,706,764 |
| MAS | Masco Corp | 2016-07-29 | 19,534 | 60.42 | 1,180,244 |
| JBL | Jabil Inc | 2025-01-24 | 5,900 | 146.92 | 866,828 |
Holding Weightings of John C Plant
John C Plant Form 4 Trading Tracker
According to the SEC Form 4 filings, John C Plant has made a total of 0 transactions in Howmet Aerospace Inc (HWM) over the past 5 years. The most-recent trade in Howmet Aerospace Inc is the acquisition of 30,463 shares on August 7, 2019, which cost John C Plant around $735,072.
According to the SEC Form 4 filings, John C Plant has made a total of 0 transactions in Masco Corp (MAS) over the past 5 years. The most-recent trade in Masco Corp is the sale of 7,000 shares on July 29, 2016, which brought John C Plant around $255,780.
According to the SEC Form 4 filings, John C Plant has made a total of 1 transactions in Jabil Inc (JBL) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Jabil Inc is the sale of 50,000 shares on January 24, 2025, which brought John C Plant around $9 Million.
Insider Trading History of John C Plant
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John C Plant Trading Performance
GuruFocus tracks the stock performance after each of John C Plant's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John C Plant is 16.14%. GuruFocus also compares John C Plant's trading performance to market benchmark return within the same time period. The performance of stocks bought by John C Plant 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 John C Plant's insider trading performs compared to the benchmark.
Performance of John C Plant
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 5.81 | | | | | |
| Relative Return to S&P 500(%) | 1.84 | | | | | |
John C Plant Ownership Network
Ownership Network List of John C Plant
Ownership Network Relation of John C Plant
John C Plant Owned Company Details
What does Jabil Inc do?
Who are the key executives at Jabil Inc?
John C Plant is the director of Jabil Inc. Other key executives at Jabil Inc include Chief Operating Officer Mark T Mondello , SVP & Chief Information Officer May Yee Yap , and EVP & CEO & Healthcare Steven D Borges .
Jabil Inc (JBL) Insider Trades Summary
Over the past 18 months, John C Plant made no insider transaction in Jabil Inc (JBL). Other recent insider transactions involving Jabil Inc (JBL) include a net sale of 13,533 shares made by Frederic E. Mccoy , a net sale of 45,000 shares made by Kenneth S Wilson , and a net sale of 15,486 shares made by May Yee Yap .
In summary, during the past 3 months, insiders sold 23,400 shares of Jabil Inc (JBL) in total and bought 0 shares, with a net sale of 23,400 shares. During the past 18 months, 366,423 shares of Jabil Inc (JBL) were sold and 0 shares were bought by its insiders, resulting in a net sale of 366,423 shares.
Jabil Inc (JBL)'s detailed insider trading history can be found in Insider Trading Tracker table.
Jabil Inc Insider Transactions
John C Plant Mailing Address
Above is the net worth, insider trading, and ownership report for John C Plant. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, John C Plant's mailing address is: Livonia Mi 48152.
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