SEC Form 4 · accession 0001140361-15-008696
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
Feb 20, 2015
Accepted (ET)
Feb 24, 2015 · 4:24 pm EST
Rule 10b5-1 plan
unknown — predates the checkbox
Issuer CIK
0001262823
Table I — non-derivative securities
No Table I lines on this filing.
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 | $68.09 | Feb 20, 2015 | A | 6,608 | A | — | Feb 20, 2025 | Common Stock | 6,608 | 6,608 | D |
| Restricted Stock UnitsF2,F3 | — | Feb 20, 2015 | A | 1,982 | A | — | — | Common Stock | 1,982 | 1,982 | D |
Explanation of responses
- F1The stock options are exercisable in three installments of 33%, 33%, and 34% on February 20, 2016, 2017 and 2018, respectively.
- F2Each restricted stock unit represents a contingent right to receive one share of Westlake Chemical Corporation common stock.
- F3The restricted stock units will vest three years from the date of grant (February 20, 2018).