SEC Form 4 · accession 0001140361-15-019068
WESTLAKE CORP · WLK
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Lawrence E. Teel
Officer — SVP, Olefins
Period of report
May 11, 2015
Accepted (ET)
May 12, 2015 · 4:11 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 Stock | May 11, 2015 | M | 686 | $45.6975 | A | 1,580 | D | |
| Common Stock | May 11, 2015 | M | 898 | $30.0525 | A | 2,478 | D | |
| Common Stock | May 11, 2015 | S | 1,584 | $70.253 | D | 894 | D | |
| Common Stock | May 11, 2015 | S | 541 | $70.233 | D | 353 | 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 | $45.6975 | May 11, 2015 | M | 686 | D | — | Feb 15, 2023 | Common Stock | 686 | 686 | D |
| Employee Option (right to buy)F2 | $30.0525 | May 11, 2015 | M | 898 | D | — | Feb 17, 2022 | Common Stock | 898 | 0 | D |
Explanation of responses
- F1The stock options are exercisable in three installments of 33%, 33% and 34% on February 15, 2014, 2015 and 2016, respectively.
- F2The stock options are exercisable in three installments of 33%, 33% and 34% on February 17, 2013, 2014 and 2015, respectively.