Bender Mark Steven 4

What Happened
Mark Steven Bender, EVP and Chief Financial Officer of Westlake Corp (WLK), sold 16,413 shares on March 27, 2026. The weighted average sale price was $112.53 per share (total proceeds ~$1,847,037). The shares were sold in multiple transactions at prices ranging from $112.33 to $112.99.

Key Details

• Transaction type: Open-market sale (code S).
• Transaction date: 2026-03-27; Form 4 filed 2026-03-30.
• Price: weighted average $112.53; range $112.33–$112.99 (see footnote F1 — reporting person can provide per-trade breakdown upon request).
• Proceeds: approximately $1,847,037.
• Shares owned after transaction: not specified in the summary provided — see the full Form 4 for post-transaction holdings.
• Filing timeliness: Form filed three days after the transaction date; verify against the two-business-day reporting requirement if timeliness is a concern.

Context
This was a sale by an executive; sales are common and can reflect routine diversification or liquidity needs and do not, by themselves, indicate the insider's view of the company. No option exercise, gift, or 10% owner activity is reported in the provided details. For exact post-sale holdings or a trade-by-trade breakdown, consult the full SEC Form 4 (accession 0001193125-26-131706).