Updated: May 19, 2026

Mark Steven Bender

WLKWESTLAKE CORPSEC CIK: 0001330417
Estimated Net Worth
$37 Million1.0%vs Last Year
Last Updated: May 19, 2026 11:14 PM EST

Transaction Summary

Total Transactions111
Buy-Sell Ratio0.58
Buy Transactions40
Sell Transactions69

Transaction Volume

Total Volume$34.52M
Net Volume-$27.16M
Buy Volume$3.68M
Sell Volume$30.84M

Trade Analysis

AVG Trade Size$310.95K
Largest Trade$2.5M
Most Active MonthFeb
Most Active Year2022

Trading Sentiment

OverallBearish
Recent TradeSelling
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

Mark Steven Bender has an estimated net worth of $37 Million. This is based on reported shares across multiple companies, which include WESTLAKE CORP, and Westlake Chemical Partners LP.



2022 was Mark Steven Bender's most active year for acquiring shares with 15 total transactions. Mark Steven Bender's most active month to acquire stocks was the month of January. 2011 was Mark Steven Bender's most active year for disposing of shares, totalling 47 transactions. Mark Steven Bender's most active month to dispose stocks was the month of January. 2023 saw Mark Steven Bender paying a total of $2,656,230.77 for 124,166 shares, this is the most they've acquired in one year. In 2018 Mark Steven Bender cashed out on 86,639 shares for a total of $5,557,415.65, their largest year based on trade value.

Holdings & Transactions

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