SEC Form 4 · accession 0001140361-18-009518
WESTLAKE CORP · WLK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Robert F. Buesinger
Officer — EVP, Vinyl Products
Period of report
Feb 20, 2018
Accepted (ET)
Feb 22, 2018 · 9:26 am EST
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 | Feb 20, 2018 | M | 1,982 | — | A | 8,617 | D | |
| Common Stock | Feb 21, 2018 | F | 494 | $106.98 | D | 8,123 | 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 | — | Feb 20, 2018 | M | 1,982 | D | — | — | Common Stock | 1,982 | 0 | D |
Explanation of responses
- F1Restricted stock units convert into Issuer's shares of common stock on a one-for-one basis.
- F2On February 20, 2015, the reporting person was granted 1,982 restricted stock units vesting on the third anniversary of the grant date.