Mark D Millett - Net Worth and Insider Trading
Mark D Millett Net Worth
The estimated net worth of Mark D Millett is at least $389 Million dollars as of 2025-04-26. Mark D Millett is the Chairman, President and CEO of Steel Dynamics Inc and owns about 3,058,587 shares of Steel Dynamics Inc (STLD) stock worth over $389 Million. Details can be seen in Mark D Millett'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 Mark D Millett has not made any transactions after 2021-09-09 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mark D Millett
Mark D Millett Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mark D Millett owns 1 companies in total, including Steel Dynamics Inc (STLD) .
Click here to see the complete history of Mark D Millett’s form 4 insider trades.
Insider Ownership Summary of Mark D Millett
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
STLD | Steel Dynamics Inc | 2021-09-09 | director & President and CEO |
Mark D Millett Latest Holdings Summary
Mark D Millett currently owns a total of 1 stock. Mark D Millett owns 3,058,587 shares of Steel Dynamics Inc (STLD) as of September 9, 2021, with a value of $389 Million.
Latest Holdings of Mark D Millett
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
STLD | Steel Dynamics Inc | 2021-09-09 | 3,058,587 | 127.34 | 389,480,469 |
Holding Weightings of Mark D Millett
Mark D Millett Form 4 Trading Tracker
According to the SEC Form 4 filings, Mark D Millett has made a total of 3 transactions in Steel Dynamics Inc (STLD) over the past 5 years, including 0 buys and 3 sells. The most-recent trade in Steel Dynamics Inc is the sale of 67,686 shares on September 9, 2021, which brought Mark D Millett around $4 Million.
Insider Trading History of Mark D Millett
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Mark D Millett Trading Performance
Mark D Millett Ownership Network
Ownership Network List of Mark D Millett
Ownership Network Relation of Mark D Millett

Mark D Millett Owned Company Details
What does Steel Dynamics Inc do?
Who are the key executives at Steel Dynamics Inc?
Mark D Millett is the director & President and CEO of Steel Dynamics Inc. Other key executives at Steel Dynamics Inc include Senior Vice President Glenn Pushis , Senior Vice President Richard A Poinsatte , and Senior Vice President Miguel Alvarez .
Steel Dynamics Inc (STLD) Insider Trades Summary
Over the past 18 months, Mark D Millett made no insider transaction in Steel Dynamics Inc (STLD). Other recent insider transactions involving Steel Dynamics Inc (STLD) include a net sale of 53,703 shares made by Glenn Pushis , a net sale of 4,171 shares made by Gabriel Shaheen , and a net sale of 3,800 shares made by Richard A Poinsatte .
In summary, during the past 3 months, insiders sold 23,649 shares of Steel Dynamics Inc (STLD) in total and bought 0 shares, with a net sale of 23,649 shares. During the past 18 months, 131,495 shares of Steel Dynamics Inc (STLD) were sold and 0 shares were bought by its insiders, resulting in a net sale of 131,495 shares.
Steel Dynamics Inc (STLD)'s detailed insider trading history can be found in Insider Trading Tracker table.
Steel Dynamics Inc Insider Transactions
Mark D Millett Mailing Address
Above is the net worth, insider trading, and ownership report for Mark D Millett. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mark D Millett's mailing address is: Fort Wayne In 46804.