WLK
insider transactionsWESTLAKE CORP — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Net shares · 90d
-20.4K
0 buy · 20.4K sell
Net value · 90d
-$2.3M
$0 in · $2.3M out
Sentiment · 90d
Net selling
0% buying · 100% selling
Open-market trades · 90d
2
0 buy · 20.4K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Grant·A
Jonathan Baksht KEY
SVP and CFO
$0
20.6K sh
Own New
-
Other·F
EVP & CFO
$514.3K
5.3K sh · $97.34
Own -13%
-
Exercise·M
EVP & CFO
$0
13.2K sh
Own New
-
Exercise·M
EVP & CFO
$0
13.2K sh
Own +47%
-
Grant·A
SVP, PEM Segment Head
$0
2.0K sh
Own New
-
Sell·S
EVP & CFO
$1.8M
16.4K sh · $112.54
Own -37%
-
Sell·S
EVP, PEM Segment Head
$461.0K
4.0K sh · $115.25
Own -10%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 15, 2026 | Jonathan Baksht KEY | Grant A | 20.6K | $0 |
| May 13, 2026 | Mark Steven Bender KEY | Other F | 5.3K | $514.3K |
| May 12, 2026 | Mark Steven Bender KEY | Exercise M | 13.2K | $0 |
| May 12, 2026 | Mark Steven Bender KEY | Exercise M | 13.2K | $0 |
| Apr 2, 2026 | Brian John Powers | Grant A | 2.0K | $0 |
| Mar 27, 2026 | Mark Steven Bender KEY | Sell S | 16.4K | $1.8M |
| Mar 27, 2026 | Robert F. Buesinger | Sell S | 4.0K | $461.0K |
About WLK insider trading
This page tracks insider transactions for WESTLAKE CORP (WLK) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.