Duff Mark Insider Profile

Duff Mark, President & CEO at Perma-Fix, holds 40.98K shares in Perma-Fix (Ticker: PESI). Most recently, Duff Mark Bought $1,000 shares of Perma-Fix on Nov 23, 2022 for an estimated value of 3.89K.
Duff Mark

Duff Mark
Perma-Fix (PESI)
President & CEO

Ranked #491 out of 102,868 Corporate Insiders

Profitable Transactions

13 out of 16 Profitable Transactions

Average Return

Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

A breakdown of Duff Mark's holdings

Insider Roles

President & CEO
Roles that Duff Mark holds in companies

Most Profitable Insider Trade

Rating:Informative Buy
Date:Dec 31, 2018 - Dec 31, 2019
The most profitable trade made by Duff Mark

Duff Mark's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Nov 23, 2022
President & CEO
Informative Buy
Success Rate for PESI
13 out of 16 profitable transactions on PESI
Average Return for PESI
Average return per transaction on PESI
No. of Shares
Price per Share
Link to Report
Mar 24, 2020
Informative Buy
Mar 27, 2017
Informative Buy
Nov 09, 2018
Informative Buy
Dec 17, 2018
Informative Buy
Dec 31, 2018
Informative Buy
List of latest transactions for each holding click on a transaction to see Duff Mark's performance on stock

Duff Mark insider profile FAQ

What is the percentage of profitable transactions made by Duff Mark?
The percentage of profitable transactions made by Duff Mark is 81%.
    What is the average return per transaction made by Duff Mark?
    The average return per transaction made by Duff Mark is 64.90%.
      What stocks does Duff Mark hold?
      Duff Mark holds: PESI stocks.
        What was Duff Mark’s latest transaction?
        Duff Mark latest transaction was an Informative Buy of $3.89K.
          What was Duff Mark's most profitable transaction?
          Duff Mark’s most profitable transaction was an Informative Buy of PESI stock on December 31, 2018. The return on the trade was 287.20%.
            What is Duff Mark's role in Perma-Fix?
            Duff Mark's role in Perma-Fix is President & CEO.
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