Updated: Sep 18, 2026

William C Martin

IMMRIMMERSION CORPSEC CIK: 0001205885
Estimated Net Worth
$307 Million
Last Updated: Sep 18, 2026 08:42 PM EST

Transaction Summary

Total Transactions252
Buy-Sell Ratio2.72
Buy Transactions163
Sell Transactions60

Transaction Volume

Total Volume$299.76M
Net Volume-$88.36M
Buy Volume$105.7M
Sell Volume$194.06M

Trade Analysis

AVG Trade Size$1.19M
Largest Trade$75.62M
Most Active MonthJan
Most Active Year2012

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

William C Martin has an estimated net worth of $307 Million. This is based on reported shares across multiple companies, which include UNIVERSAL ELECTRONICS INC, Barnes & Noble Education, Inc., SMG Indium Resources Ltd., COMVERGE, INC., SALARY. COM, INC., TIDEWATER INC, STANDARD REGISTER CO, CTM MEDIA HOLDINGS, INC., AUTOBYTEL INC, IMMERSION CORP, CASTLE A M & CO, DERMA SCIENCES, INC., MRV COMMUNICATIONS INC, VITESSE SEMICONDUCTOR CORP, RENTECH, INC., RESOURCE AMERICA, INC., INTERMOLECULAR INC, DSP GROUP INC /DE/, THESTREET, INC., GULFMARK OFFSHORE INC, and BANKRATE INC.



2012 was William C Martin's most active year for acquiring shares with 87 total transactions. William C Martin's most active month to acquire stocks was the month of November. 2013 was William C Martin's most active year for disposing of shares, totalling 28 transactions. William C Martin's most active month to dispose stocks was the month of December. 2017 saw William C Martin paying a total of $38,740,145.36 for 5,716,723 shares, this is the most they've acquired in one year. In 2015 William C Martin cashed out on 14,572,118 shares for a total of $76,040,095.57, their largest year based on trade value.

Holdings & Transactions

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