Westlake Corp (WLK) director converts 2,168 RSUs, now holds over 30,000 shares
Rhea-AI Filing Summary
WESTLAKE CORP director David Tsung-Hung Chao reported the vesting and conversion of 2,168 restricted stock units into an equal number of common shares on August 8, 2026. Following this exercise, he holds 11,080 common shares directly and 19,423 common shares indirectly through a trust for his benefit, where he serves as sole trustee.
Positive
- None.
Negative
- None.
Insider Trade Summary
Net Buyer: 2,168 shares
Net Buy
3 txns
Insider
Chao David Tsung-Hung
Role
Director
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Units F1, F3 | 2,168 | $0.00 | $0.00 |
| Exercise | Common Stock F1 | 2,168 | -- | -- |
| holding | Common Stock F2 | -- | -- | -- |
Holdings After Transaction:
Restricted Stock Units — 2,168 shares (Direct);
Common Stock — 11,080 shares (Direct);
Common Stock — 19,423 shares (Indirect, by Trust)
Footnotes (3)
- F1. Restricted stock units convert into the Issuer's common stock on a one-for-one basis.
- F2. These shares are held in a trust for the benefit of the reporting person, who also serves as sole trustee.
- F3. On August 8, 2025 the reporting person was granted 2,168 restricted stock units vesting on the first anniversary of the grant date.
Key Figures
Restricted stock units exercised: 2,168 units
Common shares acquired: 2,168 shares
Direct common share holdings: 11,080 shares
+2 more
5 metrics
Restricted stock units exercised
2,168 units
RSUs converted into common stock on August 8, 2026
Common shares acquired
2,168 shares
Shares received from RSU conversion
Direct common share holdings
11,080 shares
Direct ownership after the reported transactions
Indirect trust holdings
19,423 shares
Common stock held indirectly by trust for reporting person
RSU grant size
2,168 units
Restricted stock units granted on August 8, 2025
Key Terms
Restricted stock units, derivative security, indirect ownership, trust
4 terms
Restricted stock units financial
"Restricted stock units convert into the Issuer's common stock on a one-for-one basis."
Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.
derivative security financial
"Transaction code M is described as Exercise or conversion of derivative security."
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
indirect ownership financial
"Common Stock held indirectly with nature of ownership noted as by Trust."
trust financial
"These shares are held in a trust for the benefit of the reporting person."
A trust is a legal setup in which one party (the trustee) holds and manages assets—like cash, stocks or property—on behalf of other people (beneficiaries) according to instructions from the person who created it (the grantor). Think of it as a locked box with a keyholder who must follow written rules; for investors it matters because trusts influence who controls and benefits from assets, affect taxes and succession, and can change how quickly or transparently shares are bought, sold or voted.
FAQ
What transaction did Westlake Corp (WLK) director David Tsung-Hung Chao report?
Director David Tsung-Hung Chao reported the exercise of 2,168 restricted stock units into common stock on August 8, 2026. The units converted one-for-one into Westlake Corp common shares.
What are David Tsung-Hung Chao’s Westlake Corp (WLK) direct holdings after the transaction?
After the transaction, David Tsung-Hung Chao directly holds 11,080 common shares of Westlake Corp. This figure reflects the addition of 2,168 shares received from vested restricted stock units.
What do the restricted stock unit (RSU) terms disclose for Westlake Corp (WLK)?
The filing notes that restricted stock units convert into common stock on a one-for-one basis. It also states that 2,168 RSUs were granted on August 8, 2025, vesting on the first anniversary of the grant date.
Was David Tsung-Hung Chao’s Westlake Corp (WLK) transaction under a Rule 10b5-1 plan?
The Form 4 indicates the Rule 10b5-1 checkbox is not marked, so these transactions are not reported as executed under a Rule 10b5-1 trading plan according to the filing data.
AI-generated analysis. How Rhea-AI works. Not financial advice.