Thomas Riordan - Net Worth and Insider Trading

Thomas Riordan Net Worth

The estimated net worth of Thomas Riordan is at least $11 Million dollars as of 2024-03-28. Thomas Riordan is the Director of Mellanox Technologies Ltd and owns about 60,144 shares of Mellanox Technologies Ltd (MLNX) stock worth over $8 Million. Thomas Riordan is the Vice President/General Manager of PMC-Sierra Inc and owns about 307,563 shares of PMC-Sierra Inc (PMCS) stock worth over $4 Million. Thomas Riordan is also the COO of MoSys Inc and owns about 489 shares of MoSys Inc (MOSY) stock worth over $2,201. Details can be seen in Thomas Riordan's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that Thomas Riordan has not made any transactions after 2017-10-31 and currently still holds the listed stock(s).

Transaction Summary of Thomas Riordan

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Thomas Riordan Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, Thomas Riordan owns 4 companies in total, including Mellanox Technologies Ltd () , MoSys Inc () , and PMC-Sierra Inc () among others .

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

Insider Ownership Summary of Thomas Riordan

Ticker Comapny Transaction Date Type of Owner
Mellanox Technologies Ltd 2018-05-16 director
MoSys Inc 2017-03-01 Chief Operating Officer
PMC-Sierra Inc 2004-01-30 Vice President/General Manager
Peraso Inc 2011-05-10 Chief Operating Officer

Thomas Riordan Latest Holdings Summary

Thomas Riordan currently owns a total of 3 stocks. Among these stocks, Thomas Riordan owns 60,144 shares of Mellanox Technologies Ltd (MLNX) as of October 31, 2017, with a value of $8 Million and a weighting of 67.69%. Thomas Riordan owns 307,563 shares of PMC-Sierra Inc (PMCS) as of January 30, 2004, with a value of $4 Million and a weighting of 32.29%. Thomas Riordan also owns 489 shares of MoSys Inc (MOSY) as of March 4, 2015, with a value of $2,201 and a weighting of 0.02%.

Latest Holdings of Thomas Riordan

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
MLNX Mellanox Technologies Ltd 2017-10-31 60,144 124.89 7,511,384
PMCS PMC-Sierra Inc 2004-01-30 307,563 11.65 3,583,109
MOSY MoSys Inc 2015-03-04 489 4.50 2,201

Holding Weightings of Thomas Riordan


Thomas Riordan Form 4 Trading Tracker

According to the SEC Form 4 filings, Thomas Riordan has made a total of 0 transactions in Mellanox Technologies Ltd (MLNX) over the past 5 years. The most-recent trade in Mellanox Technologies Ltd is the sale of 1,000 shares on October 31, 2017, which brought Thomas Riordan around $47,450.

According to the SEC Form 4 filings, Thomas Riordan has made a total of 0 transactions in PMC-Sierra Inc (PMCS) over the past 5 years. The most-recent trade in PMC-Sierra Inc is the sale of 4,000 shares on January 30, 2004, which brought Thomas Riordan around $87,640.

According to the SEC Form 4 filings, Thomas Riordan has made a total of 0 transactions in MoSys Inc (MOSY) over the past 5 years. The most-recent trade in MoSys Inc is the acquisition of 469 shares on March 4, 2015, which cost Thomas Riordan around $150,000.

Insider Trading History of Thomas Riordan

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 Riordan Trading Performance

GuruFocus tracks the stock performance after each of Thomas Riordan's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Thomas Riordan is 19.55%. GuruFocus also compares Thomas Riordan's trading performance to market benchmark return within the same time period. The performance of stocks bought by Thomas Riordan 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 Thomas Riordan'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 Riordan

Average Relative Return

Outperforming Transactions

Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Relative Return(%) 17.88 19.55 -18.99 -60.34 -64.23 -56.18
Relative Return to S&P 500(%) 19.38 19.68 -10.54 -55.66 -70.8 -64.83

Thomas Riordan Ownership Network

Ownership Network List of Thomas Riordan

No Data

Ownership Network Relation of Thomas Riordan


Thomas Riordan Owned Company Details

What does Mellanox Technologies Ltd do?

Who are the key executives at Mellanox Technologies Ltd?

Thomas Riordan is the director of Mellanox Technologies Ltd. Other key executives at Mellanox Technologies Ltd include 10 percent owner & other: See Footnote 2 Peter A Feld , 10 percent owner & other: See Footnote 2 Starboard Value R Gp Llc , and 10 percent owner & other: See Footnote 2 Starboard Value R Lp .

Mellanox Technologies Ltd () Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Mellanox Technologies Ltd () in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Mellanox Technologies Ltd () were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Mellanox Technologies Ltd ()'s detailed insider trading history can be found in Insider Trading Tracker table.

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Mellanox Technologies Ltd Insider Transactions

No Available Data

Thomas Riordan Mailing Address

Above is the net worth, insider trading, and ownership report for Thomas Riordan. You might contact Thomas Riordan via mailing address: C/o Pmc Sierra, 3975 Freedom Circle, Santa Clara Ca 95054.

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