SEC Form 4 · accession 0001140361-16-086416
WESTLAKE CORP · WLK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Robert F. Buesinger
Officer — Sr. Vice President, Vinyls
Period of report
Nov 10, 2016
Accepted (ET)
Nov 14, 2016 · 4:12 pm 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 Stock | Nov 10, 2016 | M | 2,880 | $30.0525 | A | 11,035 | D | |
| Common Stock | Nov 10, 2016 | S | 2,880 | $54.4226 | D | 8,155 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Employee Option (right to buy)F1 | $30.0525 | Nov 10, 2016 | M | 2,880 | D | — | Feb 17, 2022 | Common Stock | 2,880 | 0 | D |
Explanation of responses
- F1The stock options are exercisable in three installments of 33%, 33% and 34% on February 17, 2013, 2014 and 2015, respectively.