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TipRanksTop Financial ExpertsInsidersJoseph Platt

Joseph Platt Insider Profile

11 Followers
Joseph Platt, Director at Greenlight Capital Re, holds 40.65K shares in Core Natural Resources (Ticker: CNR), holds 229.62K shares in Greenlight Capital Re (Ticker: GLRE), holds ― shares in CNX Resources (Ticker: CNX).
See the Hottest Stocks Based on Insider Trading >
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Joseph Platt

Joseph Platt
Greenlight Capital Re (GLRE)
Director

Ranked #56,426 out of 106,131 Corporate Insiders

Profitable Transactions

67%
2 out of 3 Profitable Transactions

Average Return

-2.40%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$7M
51.76%
48.24%
0.00%
A breakdown of Joseph Platt's holdings
See the Top Stocks by Insiders

Insider Roles

Core Natural Resources
(CNR)
Director
Greenlight Capital Re
(GLRE)
Director
CNX Resources
(CNX)
Director
Roles that Joseph Platt holds in companies
See the Top Corporate Insiders

Most Profitable Insider Trade

Stock:
Greenlight Capital Re
(GLRE)
Rating:Informative Buy
Date:Nov 19, 2025 - Today
Return:+10.80%
The most profitable trade made by Joseph Platt
See the Latest Stocks Traded by Insiders

Joseph Platt's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
GLRE
Greenlight Capital Re
Nov 19, 2025
Director
Informative Buy
64.85K
$3.30M
CNX
CNX Resources
May 11, 2017
Director
Uninformative Buy
―
―
CNR
Core Natural Resources
Feb 19, 2026
Director
Uninformative Buy
―
$3.54M
List of latest transactions for each holding click on a transaction to see Joseph Platt's performance on stock
See All Insider Trading from Today

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Joseph Platt insider profile FAQ

What is the percentage of profitable transactions made by Joseph Platt?
The percentage of profitable transactions made by Joseph Platt is 67%.
    What is the average return per transaction made by Joseph Platt?
    The average return per transaction made by Joseph Platt is -2.40%.
      What stocks does Joseph Platt hold?
      Joseph Platt holds: GLRE, CNX, CNR stocks.
        What was Joseph Platt’s latest transaction?
        Joseph Platt latest transaction was an Uninformative Buy of ―.
          What was Joseph Platt's most profitable transaction?
          Joseph Platt’s most profitable transaction was an Informative Buy of GLRE stock on November 19, 2025. The return on the trade was 10.80%.
            What is Joseph Platt's role in Greenlight Capital Re?
            Joseph Platt's role in Greenlight Capital Re is Director.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.