Updated: May 19, 2026

Deborah Rieman

GLWCORNING INC /NYSEC CIK: 0001209876
Estimated Net Worth
$9.43 Million2.0%vs Last Year
Last Updated: May 19, 2026 03:34 AM EST

Transaction Summary

Total Transactions72
Buy-Sell Ratio2.19
Buy Transactions46
Sell Transactions21

Transaction Volume

Total Volume$11.97M
Net Volume-$10.58M
Buy Volume$694.66K
Sell Volume$11.28M

Trade Analysis

AVG Trade Size$166.29K
Largest Trade$3.85M
Most Active MonthFeb
Most Active Year2004

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

Deborah Rieman has an estimated net worth of $9.43 Million. This is based on reported shares across multiple companies, which include ARBINET THEXCHANGE INC, KINTERA INC, ALTERA CORP, CORNING INC /NY, NEUSTAR INC, KEYNOTE SYSTEMS INC, and TUMBLEWEED COMMUNICATIONS CORP.



2004 was Deborah Rieman's most active year for acquiring shares with 17 total transactions. Deborah Rieman's most active month to acquire stocks was the month of January. 2004 was Deborah Rieman's most active year for disposing of shares, totalling 26 transactions. Deborah Rieman's most active month to dispose stocks was the month of February. 2004 saw Deborah Rieman paying a total of $2,172,162.66 for 304,964 shares, this is the most they've acquired in one year. In 2004 Deborah Rieman cashed out on 512,992 shares for a total of $11,298,673.24, their largest year based on trade value.

Holdings & Transactions

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