SEC Form 4 · accession 0001140361-15-033424
WESTLAKE CORP · WLK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
H John Riley Jr.
Director
Period of report
Aug 22, 2015
Accepted (ET)
Aug 25, 2015 · 4:50 pm EDT
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001262823
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Aug 22, 2015 | M | 357 | — | A | 18,555 | D | |
| Common StockF1 | Aug 23, 2015 | M | 586 | — | A | 19,141 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitsF1,F2 | — | Aug 22, 2015 | M | 357 | D | — | — | Common Stock | 357 | 714 | D |
| Restricted Stock UnitsF1,F3 | — | Aug 23, 2015 | M | 586 | D | — | — | Common Stock | 586 | 588 | D |
Explanation of responses
- F1Restricted stock units convert into Issuer's common stock on a one-for-one basis.
- F2On August 22, 2014, the reporting person was granted 1,071 restricted stock units vesting in three equal annual installments beginning on the first anniversary of the grant date.
- F3On August 23, 2013, the reporting person was granted 1,760 restricted stock units (such number takes into account the Issuer's two-for-one stock split on March 18, 2014) vesting in three equal annual installments beginning on the first anniversary of the grant date.