Martin P Slark - Net Worth and Insider Trading
Martin P Slark Net Worth
The estimated net worth of Martin P Slark is at least $6 Million dollars as of 2025-04-14. Martin P Slark is the Director of Hub Group Inc and owns about 181,786 shares of Hub Group Inc (HUBG) stock worth over $6 Million. Details can be seen in Martin P Slark'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 Martin P Slark has not made any transactions after 2016-02-08 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Martin P Slark
Martin P Slark Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Martin P Slark owns 2 companies in total, including Northern Trust Corp (NTRS) , and Hub Group Inc (HUBG) .
Click here to see the complete history of Martin P Slark’s form 4 insider trades.
Insider Ownership Summary of Martin P Slark
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
NTRS | Northern Trust Corp | 2015-04-21 | director |
HUBG | Hub Group Inc | 2016-02-08 | director |
Martin P Slark Latest Holdings Summary
Martin P Slark currently owns a total of 1 stock. Martin P Slark owns 181,786 shares of Hub Group Inc (HUBG) as of February 8, 2016, with a value of $6 Million.
Latest Holdings of Martin P Slark
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
HUBG | Hub Group Inc | 2016-02-08 | 181,786 | 33.24 | 6,042,567 |
Holding Weightings of Martin P Slark
Martin P Slark Form 4 Trading Tracker
According to the SEC Form 4 filings, Martin P Slark has made a total of 0 transactions in Hub Group Inc (HUBG) over the past 5 years. The most-recent trade in Hub Group Inc is the acquisition of 20,000 shares on February 8, 2016, which cost Martin P Slark around $348,800.
Insider Trading History of Martin P Slark
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Martin P Slark Trading Performance
GuruFocus tracks the stock performance after each of Martin P Slark's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Martin P Slark is 10.9%. GuruFocus also compares Martin P Slark's trading performance to market benchmark return within the same time period. The performance of stocks bought by Martin P Slark 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 Martin P Slark's insider trading performs compared to the benchmark.
Performance of Martin P Slark
Martin P Slark Ownership Network
Ownership Network List of Martin P Slark
Ownership Network Relation of Martin P Slark

Martin P Slark Owned Company Details
What does Northern Trust Corp do?
Who are the key executives at Northern Trust Corp?
Martin P Slark is the director of Northern Trust Corp. Other key executives at Northern Trust Corp include Executive Vice President Thomas A South , Senior VP & Controller Jane Karpinski , and EVP & Chief Financial Officer Jason J. Tyler .
Northern Trust Corp (NTRS) Insider Trades Summary
Over the past 18 months, Martin P Slark made no insider transaction in Northern Trust Corp (NTRS). Other recent insider transactions involving Northern Trust Corp (NTRS) include a net sale of 71,463 shares made by Steven L Fradkin , a net sale of 54,285 shares made by Peter Cherecwich , and a net sale of 14,585 shares made by Levy Susan Cohen .
In summary, during the past 3 months, insiders sold 35,335 shares of Northern Trust Corp (NTRS) in total and bought 0 shares, with a net sale of 35,335 shares. During the past 18 months, 182,051 shares of Northern Trust Corp (NTRS) were sold and 26,750 shares were bought by its insiders, resulting in a net sale of 155,301 shares.
Northern Trust Corp (NTRS)'s detailed insider trading history can be found in Insider Trading Tracker table.
Northern Trust Corp Insider Transactions
Martin P Slark Mailing Address
Above is the net worth, insider trading, and ownership report for Martin P Slark. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Martin P Slark's mailing address is: Lisle Il 60532.