Platt Joseph P Jr - Net Worth and Insider Trading
Platt Joseph P Jr Net Worth
The estimated net worth of Platt Joseph P Jr is at least $2 Million dollars as of 2025-05-10. Platt Joseph P Jr is the Director of Core Natural Resources Inc and owns about 33,957 shares of Core Natural Resources Inc (CNR) stock worth over $2 Million. Details can be seen in Platt Joseph P Jr'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 Platt Joseph P Jr has not made any transactions after 2023-09-15 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Platt Joseph P Jr
Platt Joseph P Jr Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Platt Joseph P Jr owns 3 companies in total, including Core Natural Resources Inc (CNR) , Greenlight Capital Re Ltd (GLRE) , and CNX Resources Corp (CNX) .
Click here to see the complete history of Platt Joseph P Jr’s form 4 insider trades.
Insider Ownership Summary of Platt Joseph P Jr
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
CNR | Core Natural Resources Inc | 2023-09-15 | director |
GLRE | Greenlight Capital Re Ltd | 2007-05-23 | director |
CNX | CNX Resources Corp | 2016-05-11 | director |
Platt Joseph P Jr Latest Holdings Summary
Platt Joseph P Jr currently owns a total of 1 stock. Platt Joseph P Jr owns 33,957 shares of Core Natural Resources Inc (CNR) as of September 15, 2023, with a value of $2 Million.
Latest Holdings of Platt Joseph P Jr
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
CNR | Core Natural Resources Inc | 2023-09-15 | 33,957 | 67.23 | 2,282,929 |
Holding Weightings of Platt Joseph P Jr
Platt Joseph P Jr Form 4 Trading Tracker
According to the SEC Form 4 filings, Platt Joseph P Jr has made a total of 2 transactions in Core Natural Resources Inc (CNR) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Core Natural Resources Inc is the sale of 10,227 shares on September 15, 2023, which brought Platt Joseph P Jr around $1 Million.
Insider Trading History of Platt Joseph P Jr
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Platt Joseph P Jr Trading Performance
Platt Joseph P Jr Ownership Network
Ownership Network List of Platt Joseph P Jr
Ownership Network Relation of Platt Joseph P Jr

Platt Joseph P Jr Owned Company Details
What does Core Natural Resources Inc do?
Who are the key executives at Core Natural Resources Inc?
Platt Joseph P Jr is the director of Core Natural Resources Inc. Other key executives at Core Natural Resources Inc include director & Chief Executive Officer James A Brock , Chief Accounting Officer John Rothka , and General Counsel & Secretary Martha A Wiegand .
Core Natural Resources Inc (CNR) Insider Trades Summary
Over the past 18 months, Platt Joseph P Jr made no insider transaction in Core Natural Resources Inc (CNR). Other recent insider transactions involving Core Natural Resources Inc (CNR) include a net sale of 37,036 shares made by James A Brock , a net sale of 8,815 shares made by Holly K Koeppel , and a net sale of 3,334 shares made by Martha A Wiegand .
In summary, during the past 3 months, insiders sold 8,815 shares of Core Natural Resources Inc (CNR) in total and bought 0 shares, with a net sale of 8,815 shares. During the past 18 months, 51,185 shares of Core Natural Resources Inc (CNR) were sold and 0 shares were bought by its insiders, resulting in a net sale of 51,185 shares.
Core Natural Resources Inc (CNR)'s detailed insider trading history can be found in Insider Trading Tracker table.
Core Natural Resources Inc Insider Transactions
Platt Joseph P Jr Mailing Address
Above is the net worth, insider trading, and ownership report for Platt Joseph P Jr. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Platt Joseph P Jr's mailing address is: Pittsburgh Pa 15222.