Insider Transactions

What Westlake Corp's executives and directors are doing with their own shares, from SEC Form 3/4/5 filings — separating what the filings state (awards, withholding, disclosed plans) from what only the pattern of dates shows.

Insider trades

	3 months	12 months
Open-market buys	0	0
Sells	2	9
Total trades	12	58

Shares traded

	3 months	12 months
Acquired	58,385	223,904
Disposed	38,873	152,562
Net activity	+19,512	+71,342

See the story behind these numbers

View rich charts and dive into the patterns of specific insiders — who is accumulating, who is winding down, and which sale explanations the filings actually support.

Open-market buyer Disclosed 10b5-1 Heavy discretionary Sign up free

All transactions

All Buys Sells

Insider	Relation	Date	Transaction	Shares	Price	Value	Shares held
Chao Albert	Executive Chairman	Aug 11	Open-market sale · S	−31,384	$80.42	−$2.52M	642,880
Chao Albert	Executive Chairman	Aug 11	Open-market sale · S	−7,489	$79.70	−$597K	674,264
Chao Albert	Executive Chairman	Aug 11	Exercise / conversion · M	+38,873	$61.87	+$2.4M	681,753
Graff Michael J	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	23,310
Mccollum Mark A	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	11,824
Cregg Roger A	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	3,507
Chao Catherine T.	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	7,748
Chao David Tsung-Hung	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	11,080
Bowers Kimberly S.	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	13,821
Northcutt R Bruce	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	23,351
Sheets Jeffrey Wayne	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	14,927
Sabat Carolyn Chao	Director	Aug 08	Exercise / conversion · M	+2,168	—	—	5,748
Bender Mark Steven	EVP & CFO	May 13	Withheld — tax / exercise cost · F	−5,284	$97.34	−$514K	35,895
Bender Mark Steven	EVP & CFO	May 12	Exercise / conversion · M	+13,164	—	—	41,179
Buesinger Robert F.	EVP, PEM Segment Head	Mar 27	Open-market sale · S	−4,000	$115.25	−$461K	34,482
Bender Mark Steven	EVP & CFO	Mar 27	Open-market sale · S	−16,413	$112.54	−$1.85M	28,015
Bender Mark Steven	EVP & CFO	Feb 27	Open-market sale · S	−421	$101.52	−$42.7K	44,433
Bender Mark Steven	EVP & CFO	Feb 27	Open-market sale · S	−16,988	$100.91	−$1.71M	44,854
Bender Mark Steven	EVP & CFO	Feb 27	Disposition to Issuer · D	−12,693	$98.20	−$1.25M	61,842
Bender Mark Steven	EVP & CFO	Feb 27	Exercise / conversion · M	+6,494	$86.54	+$562K	74,535

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