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Richard J Mark Insider Profile

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Richard J Mark, Director at Tenet Healthcare, holds 25.12K shares in Tenet Healthcare (Ticker: THC), holds 18.91K shares in Sempra Energy (Ticker: SRE), holds 158.24K shares in Ameren (Ticker: AEE). Most recently, Richard J Mark Sold ― shares of Tenet Healthcare on Sep 14, 2026 for an estimated value of $2.63M.
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Richard J Mark

Richard J Mark
Tenet Healthcare (THC)
Director

Ranked #32,411 out of 109,287 Corporate Insiders

Profitable Transactions

50%
4 out of 8 Profitable Transactions

Average Return

+4.20%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$25M
67.75%
25.92%
6.33%
A breakdown of Richard J Mark's holdings
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Insider Roles

Ameren
(AEE)
Chmn & President of Subsidiary
Tenet Healthcare
(THC)
Director
Sempra Energy
(SRE)
Director
Roles that Richard J Mark holds in companies
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Most Profitable Insider Trade

Stock:
Tenet Healthcare
(THC)
Rating:Informative Sell
Date:Mar 10, 2022 - Mar 10, 2023
Return:+41.40%
The most profitable trade made by Richard J Mark
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Richard J Mark's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
THC
Tenet Healthcare
Sep 14, 2026
Director
Informative Sell
2.63M
$6.58M
SRE
Sempra Energy
May 13, 2026
Director
Uninformative Buy
―
$1.61M
AEE
Ameren
Apr 04, 2022
Chmn & President of Subsidiary
Uninformative Sell
562.02K
$17.21M
List of latest transactions for each holding click on a transaction to see Richard J Mark's performance on stock
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Richard J Mark insider profile FAQ

What is the percentage of profitable transactions made by Richard J Mark?
The percentage of profitable transactions made by Richard J Mark is 50%.
    What is the average return per transaction made by Richard J Mark?
    The average return per transaction made by Richard J Mark is 4.20%.
      What stocks does Richard J Mark hold?
      Richard J Mark holds: THC, SRE, AEE stocks.
        What was Richard J Mark’s latest transaction?
        Richard J Mark latest transaction was an Informative Sell of $2.63M.
          What was Richard J Mark's most profitable transaction?
          Richard J Mark’s most profitable transaction was an Informative Sell of THC stock on March 10, 2022. The return on the trade was 41.40%.
            What is Richard J Mark's role in Tenet Healthcare?
            Richard J Mark's role in Tenet Healthcare 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.