Mark R Widmar - Net Worth and Insider Trading
Mark R Widmar Net Worth
The estimated net worth of Mark R Widmar is at least $15 Million dollars as of 2025-05-04. Mark R Widmar is the CEO of First Solar Inc and owns about 111,890 shares of First Solar Inc (FSLR) stock worth over $15 Million. Details can be seen in Mark R Widmar'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 R Widmar has not made any transactions after 2025-03-17 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mark R Widmar
Mark R Widmar Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mark R Widmar owns 3 companies in total, including First Solar Inc (FSLR) , 8point3 Energy Partners LP (CAFD) , and GrafTech International Ltd (EAF) .
Click here to see the complete history of Mark R Widmar’s form 4 insider trades.
Insider Ownership Summary of Mark R Widmar
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
FSLR | First Solar Inc | 2025-03-17 | Chief Financial Officer |
CAFD | 8point3 Energy Partners LP | 2015-06-18 | director & CFO and Director |
EAF | GrafTech International Ltd | 2008-12-15 | VP & CFO |
Mark R Widmar Latest Holdings Summary
Mark R Widmar currently owns a total of 1 stock. Mark R Widmar owns 111,890 shares of First Solar Inc (FSLR) as of March 17, 2025, with a value of $15 Million.
Latest Holdings of Mark R Widmar
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
FSLR | First Solar Inc | 2025-03-17 | 111,890 | 130.54 | 14,606,121 |
Holding Weightings of Mark R Widmar
Mark R Widmar Form 4 Trading Tracker
According to the SEC Form 4 filings, Mark R Widmar has made a total of 13 transactions in First Solar Inc (FSLR) over the past 5 years, including 0 buys and 13 sells. The most-recent trade in First Solar Inc is the sale of 1,966 shares on March 17, 2025, which brought Mark R Widmar around $262,952.
Insider Trading History of Mark R Widmar
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Mark R Widmar Trading Performance
GuruFocus tracks the stock performance after each of Mark R Widmar's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark R Widmar is -56.59%. GuruFocus also compares Mark R Widmar's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark R Widmar within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Mark R Widmar's insider trading performs compared to the benchmark.
Performance of Mark R Widmar
Mark R Widmar Ownership Network
Ownership Network List of Mark R Widmar
Ownership Network Relation of Mark R Widmar

Mark R Widmar's Executive Compensation Overview
Company | Year | Salary($) | Bonus($) | Stock Awards($) | Option Awards($) | Equity Awards($) | Non-Equity Incentive Plan($) | All Other Compensation($) | Change in Pension and Deferred Comp($) | Total($) |
---|---|---|---|---|---|---|---|---|---|---|
First Solar Inc | 2023 | 964,971 | N/A | 5,000,089 | N/A | N/A | 1,747,237 | 13,200 | N/A | 7,725,497 |
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Mark R Widmar Owned Company Details
What does First Solar Inc do?
Who are the key executives at First Solar Inc?
Mark R Widmar is the Chief Financial Officer of First Solar Inc. Other key executives at First Solar Inc include Chief Mfg. Engineering Officer Kuntal Kumar Verma , EVP & HR & Communications Caroline Stockdale , and Chief Operating Officer Georges Antoun .
First Solar Inc (FSLR) Insider Trades Summary
Over the past 18 months, Mark R Widmar made 4 insider transaction in First Solar Inc (FSLR) with a net sale of 61,472. Other recent insider transactions involving First Solar Inc (FSLR) include a net sale of 13,572 shares made by Georges Antoun , a net sale of 11,459 shares made by Kuntal Kumar Verma , and a net sale of 7,445 shares made by Markus Gloeckler .
In summary, during the past 3 months, insiders sold 37,861 shares of First Solar Inc (FSLR) in total and bought 0 shares, with a net sale of 37,861 shares. During the past 18 months, 167,804 shares of First Solar Inc (FSLR) were sold and 0 shares were bought by its insiders, resulting in a net sale of 167,804 shares.
First Solar Inc (FSLR)'s detailed insider trading history can be found in Insider Trading Tracker table.
First Solar Inc Insider Transactions
Mark R Widmar Mailing Address
Above is the net worth, insider trading, and ownership report for Mark R Widmar. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mark R Widmar's mailing address is: Parma Oh 44130.