Samuel F Thomas - Net Worth and Insider Trading
Samuel F Thomas Net Worth
The estimated net worth of Samuel F Thomas is at least $26 Million dollars as of 2025-07-24. Samuel F Thomas is the Chairman, CEO and President of Chart Industries Inc and owns about 144,955 shares of Chart Industries Inc (GTLS) stock worth over $25 Million. Samuel F Thomas is also the Director of Lumentum Holdings Inc and owns about 14,337 shares of Lumentum Holdings Inc (LITE) stock worth over $1 Million. Details can be seen in Samuel F Thomas'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 Samuel F Thomas has not made any transactions after 2020-08-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Samuel F Thomas
Samuel F Thomas Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Samuel F Thomas owns 2 companies in total, including Lumentum Holdings Inc (LITE) , and Chart Industries Inc (GTLS) .
Click here to see the complete history of Samuel F Thomas’s form 4 insider trades.
Insider Ownership Summary of Samuel F Thomas
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
LITE | Lumentum Holdings Inc | 2020-08-13 | director |
GTLS | Chart Industries Inc | 2017-11-30 | director & Executive Chairman |
Samuel F Thomas Latest Holdings Summary
Samuel F Thomas currently owns a total of 2 stocks. Among these stocks, Samuel F Thomas owns 144,955 shares of Chart Industries Inc (GTLS) as of August 5, 2013, with a value of $25 Million and a weighting of 94.44%. Samuel F Thomas also owns 14,337 shares of Lumentum Holdings Inc (LITE) as of August 13, 2020, with a value of $1 Million and a weighting of 5.56%.
Latest Holdings of Samuel F Thomas
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
GTLS | Chart Industries Inc | 2013-08-05 | 144,955 | 171.63 | 24,878,627 |
LITE | Lumentum Holdings Inc | 2020-08-13 | 14,337 | 102.13 | 1,464,238 |
Holding Weightings of Samuel F Thomas
Samuel F Thomas Form 4 Trading Tracker
According to the SEC Form 4 filings, Samuel F Thomas has made a total of 0 transactions in Chart Industries Inc (GTLS) over the past 5 years. The most-recent trade in Chart Industries Inc is the sale of 34,200 shares on August 5, 2013, which brought Samuel F Thomas around $4 Million.
According to the SEC Form 4 filings, Samuel F Thomas has made a total of 2 transactions in Lumentum Holdings Inc (LITE) over the past 5 years, including 0 buys and 2 sells. The most-recent trade in Lumentum Holdings Inc is the sale of 12,510 shares on August 13, 2020, which brought Samuel F Thomas around $1 Million.
Insider Trading History of Samuel F Thomas
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Samuel F Thomas Trading Performance
GuruFocus tracks the stock performance after each of Samuel F Thomas's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Samuel F Thomas is 326.55%. GuruFocus also compares Samuel F Thomas's trading performance to market benchmark return within the same time period. The performance of stocks bought by Samuel F Thomas within 3 months outperforms 1 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 Samuel F Thomas's insider trading performs compared to the benchmark.
Performance of Samuel F Thomas
Samuel F Thomas Ownership Network
Ownership Network List of Samuel F Thomas
Ownership Network Relation of Samuel F Thomas

Samuel F Thomas Owned Company Details
What does Lumentum Holdings Inc do?
Who are the key executives at Lumentum Holdings Inc?
Samuel F Thomas is the director of Lumentum Holdings Inc. Other key executives at Lumentum Holdings Inc include See Remarks Yuen Wupen , director & Chief Executive Officer Alan S Lowe , and EVP & Chief Financial Officer Wajid Ali .
Lumentum Holdings Inc (LITE) Insider Trades Summary
Over the past 18 months, Samuel F Thomas made no insider transaction in Lumentum Holdings Inc (LITE). Other recent insider transactions involving Lumentum Holdings Inc (LITE) include a net sale of 50,000 shares made by Alan S Lowe , a net sale of 34,281 shares made by Wajid Ali , and a net sale of 23,761 shares made by Harold L Covert .
In summary, during the past 3 months, insiders sold 71,474 shares of Lumentum Holdings Inc (LITE) in total and bought 0 shares, with a net sale of 71,474 shares. During the past 18 months, 191,304 shares of Lumentum Holdings Inc (LITE) were sold and 0 shares were bought by its insiders, resulting in a net sale of 191,304 shares.
Lumentum Holdings Inc (LITE)'s detailed insider trading history can be found in Insider Trading Tracker table.
Lumentum Holdings Inc Insider Transactions
Samuel F Thomas Mailing Address
Above is the net worth, insider trading, and ownership report for Samuel F Thomas. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Samuel F Thomas's mailing address is: Milpitas Ca 95035.