Robert F. Buesinger

WLK

Robert F. Buesinger serves as officer: EVP, PEM Segment Head 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

5 trades

$2.65M

Net Position

Net Seller

$2.65M

Companies Traded

WLK

Active Period

Mar 2021 – Mar 2026

5 total trades

Most Recent

Sell WLK

Mar 31, 2026 · $461.0K

Robert F. Buesinger's Insider Trading at Westlake Corporation (WLK)

Buys

0 · $0.00

Sells

5 · $2.65M

Total Shares Bought

Total Shares Sold

26,742

WLK Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Mar 31, 2026	Sell	4,000	$115.25	$461.0K	34,482
Feb 19, 2026	Sell	326	$94.10	$30.7K	0
Feb 17, 2026	Sell	903	$98.95	$89.4K	0
May 11, 2021	Sell	5,000	$105.00	$525.0K	8,217
Mar 9, 2021	Sell	16,513	$93.69	$1.55M	21,160