SEC Form 4 · accession 0001140361-15-040842
WESTLAKE CORP · WLK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
George J Mangieri
Officer — VP & Chief Accounting Officer
Period of report
Nov 10, 2015
Accepted (ET)
Nov 12, 2015 · 4:05 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, 2015 | M | 1,974 | $30.0525 | A | 25,769 | D | |
| Common Stock | Nov 10, 2015 | S | 1,974 | $60.2124 | D | 23,795 | D | |
| Common Stock | Nov 10, 2015 | S | 811 | $60.1901 | D | 22,984 | 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, 2015 | M | 1,974 | D | — | Feb 17, 2022 | Common Stock | 1,974 | 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.