▼ SELL
$ Value
$6K
Shares
83
Price
$73
Filed
Jun 9
Insider
Name
Buesinger Robert F.
Title
EVP, PEM Segment Head
CIK
0001488587
Roles
Officer
Transaction Details
Transaction Date
2025-05-27
Code
S
Table
Non-Derivative
Ownership
Indirect
Equity Swap
No
Shares After
—
Footnotes
These shares are held in a trust for the benefit of the reporting person and his family. The reporting person serves as co-trustee.The reporting person disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.
Filing Info
Buesinger Robert F.'s History
| Date | Ticker | Type | Value |
|---|---|---|---|
| 2026-03-27 | WLK | ▼ | $461K |
| 2025-05-27 | WLK | ▼ | $6K |
| 2025-04-22 | WLK | ▲ | $8K ★ |
Other Insiders at WLK (90d)
| Insider | Bought | Sold | Last |
|---|---|---|---|
|
Bender Mark Steven
EVP & CFO
|
— | $1.8M | 2026-03-27 |
|
Buesinger Robert F.
EVP, PEM Segment Head
|
— | $461K | 2026-03-27 |
|
Powers Brian John
SVP, PEM Segment Head
|
— | — | 2026-04-02 |