Thomas Stemberg - Net Worth and Insider Trading

Thomas Stemberg Net Worth

The estimated net worth of Thomas Stemberg is at least $50 Million dollars as of 2024-11-12. Thomas Stemberg is the Chairman Emeritus of Staples Inc and owns about 3,479,371 shares of Staples Inc (SPLS) stock worth over $36 Million. Thomas Stemberg is the Director of Lululemon Athletica Inc and owns about 23,065 shares of Lululemon Athletica Inc (LULU) stock worth over $7 Million. Thomas Stemberg is also the Director of Nasdaq Inc and owns about 58,158 shares of Nasdaq Inc (NDAQ) stock worth over $5 Million. Besides these, Thomas Stemberg also holds CarMax Inc (KMX) , Polycom Inc (PLCM) . Details can be seen in Thomas Stemberg'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 Thomas Stemberg has not made any transactions after 2015-07-22 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of Thomas Stemberg

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Thomas Stemberg Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Thomas Stemberg owns 5 companies in total, including CarMax Inc (KMX) , Lululemon Athletica Inc (LULU) , and Nasdaq Inc (NDAQ) among others .

Click here to see the complete history of Thomas Stemberg’s form 4 insider trades.

Insider Ownership Summary of Thomas Stemberg

Ticker Comapny Transaction Date Type of Owner
KMX CarMax Inc 2015-07-22 director
LULU Lululemon Athletica Inc 2015-06-11 director
NDAQ Nasdaq Inc 2003-08-19 director
LIMIT LIMIT 2007-02-14 director
LIMIT LIMIT 2005-07-01 Chairman Emeritus

Thomas Stemberg Latest Holdings Summary

Thomas Stemberg currently owns a total of 5 stocks. Among these stocks, Thomas Stemberg owns 3,479,371 shares of Staples Inc (SPLS) as of June 2, 2005, with a value of $36 Million and a weighting of 71.07%. Thomas Stemberg owns 23,065 shares of Lululemon Athletica Inc (LULU) as of March 30, 2015, with a value of $7 Million and a weighting of 14.64%. Thomas Stemberg also owns 58,158 shares of Nasdaq Inc (NDAQ) as of August 19, 2003, with a value of $5 Million and a weighting of 9.23%. The other 2 stocks CarMax Inc (KMX) , Polycom Inc (PLCM) have a combined weighting of 5.06% among all his current holdings.

Latest Holdings of Thomas Stemberg

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
SPLS Staples Inc 2005-06-02 3,479,371 10.25 35,663,553
LULU Lululemon Athletica Inc 2015-03-30 23,065 318.46 7,345,280
NDAQ Nasdaq Inc 2003-08-19 58,158 79.66 4,632,866
KMX CarMax Inc 2015-07-22 31,345 76.78 2,406,669
PLCM Polycom Inc 2007-02-14 10,700 12.47 133,429

Holding Weightings of Thomas Stemberg


Thomas Stemberg Form 4 Trading Tracker

According to the SEC Form 4 filings, Thomas Stemberg has made a total of 0 transactions in Staples Inc (SPLS) over the past 5 years. The most-recent trade in Staples Inc is the sale of 90,000 shares on June 2, 2005, which brought Thomas Stemberg around $2 Million.

According to the SEC Form 4 filings, Thomas Stemberg has made a total of 0 transactions in Lululemon Athletica Inc (LULU) over the past 5 years. The most-recent trade in Lululemon Athletica Inc is the sale of 5,310 shares on March 30, 2015, which brought Thomas Stemberg around $345,734.

According to the SEC Form 4 filings, Thomas Stemberg has made a total of 0 transactions in Nasdaq Inc (NDAQ) over the past 5 years. The most-recent trade in Nasdaq Inc is the acquisition of 19,500 shares on August 19, 2003, which cost Thomas Stemberg around $45,500.

More details on Thomas Stemberg's insider transactions can be found in the Insider Trading History of Thomas Stemberg table.

Insider Trading History of Thomas Stemberg

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

Thomas Stemberg Trading Performance

GuruFocus tracks the stock performance after each of Thomas Stemberg's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Thomas Stemberg is -6.2%. GuruFocus also compares Thomas Stemberg's trading performance to market benchmark return within the same time period. The performance of stocks bought by Thomas Stemberg within 3 months outperforms 4 times out of 6 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how Thomas Stemberg's insider trading performs compared to the benchmark.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of Thomas Stemberg

Average Return

LIMIT
Average return per transaction

Outperforming Transactions

LIMIT
4 out of 6 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) -5.97 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) -2.64 LIMIT LIMIT LIMIT LIMIT LIMIT

Thomas Stemberg Ownership Network

Ownership Network List of Thomas Stemberg

No Data

Ownership Network Relation of Thomas Stemberg

Insider Network Chart

Thomas Stemberg Owned Company Details

What does CarMax Inc do?

Who are the key executives at CarMax Inc?

Thomas Stemberg is the director of CarMax Inc. Other key executives at CarMax Inc include VP & Controller & PAO Jill A Livesay , SVP and CIO Mohammad Shamim , and SVP Charles Joseph Wilson .

CarMax Inc (KMX) Insider Trades Summary

Over the past 18 months, Thomas Stemberg made no insider transaction in CarMax Inc (KMX). Other recent insider transactions involving CarMax Inc (KMX) include a net sale of 62,527 shares made by Jon G Daniels , a net sale of 41,792 shares made by Diane L Cafritz , and a net sale of 393,421 shares made by William D Nash .

In summary, during the past 3 months, insiders sold 0 shares of CarMax Inc (KMX) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 706,685 shares of CarMax Inc (KMX) were sold and 0 shares were bought by its insiders, resulting in a net sale of 706,685 shares.

CarMax Inc (KMX)'s detailed insider trading history can be found in Insider Trading Tracker table.

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CarMax Inc Insider Transactions

No Available Data

Thomas Stemberg Mailing Address

Above is the net worth, insider trading, and ownership report for Thomas Stemberg. Currently GuruFocus does not have mailing address information for Thomas Stemberg.