William C Martin - Net Worth and Insider Trading

William C Martin Net Worth

The estimated net worth of William C Martin is at least $135 Million dollars as of 2024-03-29. William C Martin is the Director, 10% Owner of GulfMark Offshore Inc and owns about 2,199,568 shares of GulfMark Offshore Inc (GLF) stock worth over $62 Million. William C Martin is the 10% Owner of MRV Communications Inc and owns about 2,136,864 shares of MRV Communications Inc (MRVC) stock worth over $21 Million. William C Martin is also the 10% Owner of Intermolecular Inc and owns about 14,731,351 shares of Intermolecular Inc (IMI) stock worth over $18 Million. Besides these, William C Martin also holds Resource America Inc (REXI) , Derma Sciences Inc (DSCI) , Immersion Corp (IMMR) , TheStreet Inc (TST) , SMG Industries Inc (SMGI) . Details can be seen in William C Martin's Latest Holdings Summary section.

Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the assumption that William C Martin has not made any transactions after 2022-09-14 and currently still holds the listed stock(s).

Transaction Summary of William C Martin

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William C Martin Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, William C Martin owns 15 companies in total, including Immersion Corp () , Intermolecular Inc () , and Tidewater Inc () among others .

Click here to see the complete history of William C Martin’s form 4 insider trades.

Insider Ownership Summary of William C Martin

Ticker Comapny Transaction Date Type of Owner
Immersion Corp 2022-09-14 Chief Strategy Officer
Intermolecular Inc 2019-09-20 10 percent owner
Tidewater Inc 2018-11-15 director
GulfMark Offshore Inc 2018-11-15 director & 10 percent owner
DSP Group Inc 2017-12-15 other: See Explanation of Responses
Rentech Inc 2017-12-05 10 percent owner
MRV Communications Inc 2017-08-11 10 percent owner
A.M. Castle & Co 2016-11-04 10 percent owner
Standard Register Co 2015-01-30 10 percent owner
SMG Industries Inc 2012-01-05 director & 10 percent owner
Derma Sciences Inc 2013-05-30 10 percent owner
Resource America Inc 2013-02-14 10 percent owner
IDW Media Holdings Inc 2011-03-09 10 percent owner
AutoWeb Inc 2009-06-22 other: See Explanation of Responses
Universal Electronics Inc 2023-10-27 10 percent owner

William C Martin Latest Holdings Summary

William C Martin currently owns a total of 8 stocks. Among these stocks, William C Martin owns 2,199,568 shares of GulfMark Offshore Inc (GLF) as of December 21, 2017, with a value of $62 Million and a weighting of 46.31%. William C Martin owns 2,136,864 shares of MRV Communications Inc (MRVC) as of June 24, 2015, with a value of $21 Million and a weighting of 15.82%. William C Martin also owns 14,731,351 shares of Intermolecular Inc (IMI) as of December 16, 2016, with a value of $18 Million and a weighting of 13.06%. The other 5 stocks Resource America Inc (REXI) , Derma Sciences Inc (DSCI) , Immersion Corp (IMMR) , TheStreet Inc (TST) , SMG Industries Inc (SMGI) have a combined weighting of 24.81% among all his current holdings.

Latest Holdings of William C Martin

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
GLF GulfMark Offshore Inc 2017-12-21 2,199,568 28.37 62,401,744
MRVC MRV Communications Inc 2015-06-24 2,136,864 9.98 21,315,218
IMI Intermolecular Inc 2016-12-16 14,731,351 1.20 17,603,964
REXI Resource America Inc 2013-02-14 1,710,741 9.78 16,731,047
DSCI Derma Sciences Inc 2013-05-30 1,264,665 7.00 8,852,655
IMMR Immersion Corp 2022-09-14 694,618 7.46 5,181,850
TST TheStreet Inc 2013-01-30 372,714 6.44 2,400,278
SMGI SMG Industries Inc 2012-01-05 3,974,370 0.07 259,129

Holding Weightings of William C Martin


William C Martin Form 4 Trading Tracker

According to the SEC Form 4 filings, William C Martin has made a total of 0 transactions in GulfMark Offshore Inc (GLF) over the past 5 years. The most-recent trade in GulfMark Offshore Inc is the sale of 8,334 shares on December 21, 2017, which brought William C Martin around $158,346.

According to the SEC Form 4 filings, William C Martin has made a total of 0 transactions in MRV Communications Inc (MRVC) over the past 5 years. The most-recent trade in MRV Communications Inc is the acquisition of 601,200 shares on June 24, 2015, which cost William C Martin around $7 Million.

According to the SEC Form 4 filings, William C Martin has made a total of 0 transactions in Intermolecular Inc (IMI) over the past 5 years. The most-recent trade in Intermolecular Inc is the acquisition of 214,294 shares on December 16, 2016, which cost William C Martin around $218,580.

More details on William C Martin's insider transactions can be found in the Insider Trading History of William C Martin table.

Insider Trading History of William C Martin

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.

William C Martin Trading Performance

GuruFocus tracks the stock performance after each of William C Martin's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by William C Martin is 8.26%. GuruFocus also compares William C Martin's trading performance to market benchmark return within the same time period. The performance of stocks bought by William C Martin within 3 months outperforms 23 times out of 34 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how William C Martin'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 William C Martin

Average Relative Return

24.39%

Average relative return per transaction

Outperforming Transactions

85%

29 out of 34 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(%) 1.14 8.26 14.95 24.39 13.73 3.78
Relative Return to S&P 500(%) 1.13 4.63 6.81 8.66 -2.92 -11.77

William C Martin Ownership Network

Ownership Network List of William C Martin

No Data

Ownership Network Relation of William C Martin


William C Martin Owned Company Details

What does Immersion Corp do?

Who are the key executives at Immersion Corp?

William C Martin is the Chief Strategy Officer of Immersion Corp. Other key executives at Immersion Corp include Chief Financial Officer Aaron Akerman , Chief Financial Officer J Michael Dodson , and General Counsel Francis Jose .

Immersion Corp () Insider Trades Summary

Over the past 18 months, William C Martin made no insider transaction in Immersion Corp (). Other recent insider transactions involving Immersion Corp () include a net sale of 33,757 shares made by Aaron Akerman , a net purchase of 20,000 shares made by Eric Singer , and a net sale of 13,000 shares made by Elias Nader .

In summary, during the past 3 months, insiders sold 13,000 shares of Immersion Corp () in total and bought 0 shares, with a net sale of 13,000 shares. During the past 18 months, 48,198 shares of Immersion Corp () were sold and 20,000 shares were bought by its insiders, resulting in a net sale of 28,198 shares.

Immersion Corp ()'s detailed insider trading history can be found in Insider Trading Tracker table.

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Immersion Corp Insider Transactions

No Available Data

William C Martin Mailing Address

Above is the net worth, insider trading, and ownership report for William C Martin. You might contact William C Martin via mailing address: C/o Raging Capital Management, Llc, Ten Princeton Avenue, Po Box 228, Rocky Hill Nj 08553.

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