InsiderFlow

Mark Steven Bender

WLK

Mark Steven Bender serves as officer: EVP & CFO at Westlake Corporation (WLK). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$1.92M

Net Position

Net Seller

$1.92M

Companies Traded

1

WLK

Active Period

Feb 2026 – Mar 2026

3 total trades

Most Recent

Sell WLK

Mar 2, 2026 · $1.76M

Mark Steven Bender's Insider Trading at Westlake Corporation (WLK)

Buys

0 · $0.00

Sells

3 · $1.92M

Total Shares Bought

0

Total Shares Sold

19,063

WLK Price Chart
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DateTypeSharesAvg PriceValueShares After
Mar 2, 2026Sell17,409$100.92$1.76M44,854
Feb 19, 2026Sell445$94.10$41.9K0
Feb 17, 2026Sell1,209$98.95$119.6K0
Mark Steven Bender Insider Trading Activity | Westlake Corporation | InsiderFlow