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William F. Griffin Insider Profile

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William F. Griffin, Director, GEMMA, NON-EXECUTIVE CHAIRMAN at Argan, holds 40.98K shares in Argan (Ticker: AGX). Most recently, William F. Griffin Sold 50,000 shares of Argan on Jun 23, 2026 for an estimated value of $36.98M.
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William F. Griffin

William F. Griffin
Argan (AGX)
Director, GEMMA, NON-EXECUTIVE CHAIRMAN

Ranked #102,837 out of 109,030 Corporate Insiders

Profitable Transactions

41%
7 out of 17 Profitable Transactions

Average Return

-29.90%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$16M
100.00%
A breakdown of William F. Griffin's holdings
See the Top Stocks by Insiders

Insider Roles

Argan
(AGX)
Director, GEMMA, NON-EXECUTIVE CHAIRMAN
Roles that William F. Griffin holds in companies
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Most Profitable Insider Trade

Stock:
Argan
(AGX)
Rating:Informative Sell
Date:Jun 23, 2026 - Today
Return:+43.70%
The most profitable trade made by William F. Griffin
See the Latest Stocks Traded by Insiders

William F. Griffin's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
AGX
Argan
Jun 23, 2026
Director, GEMMA, NON-EXECUTIVE CHAIRMAN
Informative Sell
36.98M
$15.97M
Success Rate for
AGX
7 out of 17 profitable transactions on
AGX
41%
Average Return for
AGX
Average return per transaction on
AGX
-29.99%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Oct 20, 2021
Uninformative Buy
$188.70K
10,000
$18.87
―
Apr 19, 2023
Uninformative Buy
$167.78K
4,280
$39.20
―
Apr 19, 2024
Uninformative Buy
$202.73K
3,324
$60.99
―
Oct 28, 2024
Uninformative Buy
$0.00
5,000
$0.00
―
Apr 15, 2025
Uninformative Buy
$0.00
130,000
$0.00
―
List of latest transactions for each holding click on a transaction to see William F. Griffin's performance on stock
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William F. Griffin insider profile FAQ

What is the percentage of profitable transactions made by William F. Griffin?
The percentage of profitable transactions made by William F. Griffin is 41%.
    What is the average return per transaction made by William F. Griffin?
    The average return per transaction made by William F. Griffin is -29.90%.
      What stocks does William F. Griffin hold?
      William F. Griffin holds: AGX stocks.
        What was William F. Griffin’s latest transaction?
        William F. Griffin latest transaction was an Informative Sell of $36.98M.
          What was William F. Griffin's most profitable transaction?
          William F. Griffin’s most profitable transaction was an Informative Sell of AGX stock on June 23, 2026. The return on the trade was 43.70%.
            What is William F. Griffin's role in Argan?
            William F. Griffin's role in Argan is Director, GEMMA, NON-EXECUTIVE CHAIRMAN.
              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.