Updated: May 18, 2026

Matthew J Pfeffer

VANISECOND SIGHT MEDICAL PRODUCTS INCSEC CIK: 0001192063
Estimated Net Worth
$5.65 Million
Last Updated: May 18, 2026 11:50 PM EST

Transaction Summary

Total Transactions60
Buy-Sell Ratio3.91
Buy Transactions43
Sell Transactions11

Transaction Volume

Total Volume$8.84M
Net Volume$7.37M
Buy Volume$8.1M
Sell Volume$732.43K

Trade Analysis

AVG Trade Size$147.27K
Largest Trade$1.79M
Most Active MonthAug
Most Active Year2013

Trading Sentiment

OverallBullish
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

Matthew J Pfeffer has an estimated net worth of $5.65 Million. This is based on reported shares across multiple companies, which include Divine Skin Inc., MANNKIND CORP, SECOND SIGHT MEDICAL PRODUCTS INC, VAXGEN INC, GENELABS TECHNOLOGIES INC /CA, and CELL GENESYS INC.



2014 was Matthew J Pfeffer's most active year for acquiring shares with 12 total transactions. Matthew J Pfeffer's most active month to acquire stocks was the month of July. 2014 was Matthew J Pfeffer's most active year for disposing of shares, totalling 10 transactions. Matthew J Pfeffer's most active month to dispose stocks was the month of July. 2016 saw Matthew J Pfeffer paying a total of $1,887,248.78 for 1,992,028 shares, this is the most they've acquired in one year. In 2014 Matthew J Pfeffer cashed out on 281,559 shares for a total of $2,543,561.67, their largest year based on trade value.

Holdings & Transactions

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