Senior insider sale
EVP & CFO at WESTLAKE CORP — senior position signals high conviction
$3.16M
31.76K shares
What this filing means
BENDER MARK STEVEN plans to sell 31.76K shares of WESTLAKE CORP valued at approximately $3.16M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.
Filed: 2/27/2026ACC: 0001950047-26-001885
Officer· EVP & CFO
Since Feb 2026
31.76K
Shares to sell
$3.16M
Approx. market value
30.10K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months5
Stock Option Exercise
Cash
2/27/2026
12.69KRestricted Stock
Not Applicable
2/18/2025
6.04KRestricted Stock
Not Applicable
2/14/2023
5.37KRestricted Stock
Not Applicable
2/15/2022
3.58KRestricted Stock
Not Applicable
2/16/2021
2.42KTotal acquired30.10K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
2/27/2026 | Stock Option Exercise Cash | 12.69K | — |
2/18/2025 | Restricted Stock Not Applicable | 6.04K | — |
2/14/2023 | Restricted Stock Not Applicable | 5.37K | — |
2/15/2022 | Restricted Stock Not Applicable | 3.58K | — |
2/16/2021 | Restricted Stock Not Applicable | 2.42K | — |
| Total | 30.10K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
445.00
Market value
$41.9K
2/20/2026
—Completed
Units to sell
1.21K
Market value
$119.6K
2/18/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
30.10K
Market value
$3.00M
2/27/2026
Total
Units
31.76K
Value
$3.16M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
2/20/2026 | 445.00 | $41.9K | — | Completed |
2/18/2026 | 1.21K | $119.6K | — | Completed |
| Planned — Approximate Date | ||||
2/27/2026 | 30.10K | $3.00M | NYSE | Planned |
| Total | 31.76K | $3.16M | ||