John Tsung-chen Chao

WLK

John Tsung-chen Chao serves as Director 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

1 trades

$23.9K

Net Position

Net Seller

$23.9K

Companies Traded

WLK

Active Period

Feb 2026

1 total trades

Most Recent

Sell WLK

Feb 17, 2026 · $23.9K

John Tsung-chen Chao's Insider Trading at Westlake Corporation (WLK)

Buys

0 · $0.00

Sells

1 · $23.9K

Total Shares Bought

Total Shares Sold

242

WLK Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Feb 17, 2026↗	Sell	242	$98.95	$23.9K	0

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