Insider · CIK 0001638948
Michael J. Mattina
Files at: WLK. On EDGAR ↗
Reported trades — common stock
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Feb 14, 2017 FMForm 4 → | Feb 16, 4:15 pm EST | WESTLAKE CHEMICAL CORPWLK | 877 | $64.01 | $13,890 | 6,506 | — | plan? |
| Nov 15, 2016 SForm 4 → | Nov 17, 4:15 pm EST | WESTLAKE CHEMICAL CORPWLK | 18,274 | $53.78 | $982,776 | 6,063 | −75.1% | plan? |
| Nov 15, 2016 MForm 4 → | Nov 17, 4:15 pm EST | WESTLAKE CHEMICAL CORPWLK | 18,274 | $19.43 | $355,117 | 24,337 | — | plan? |
| Aug 24, 2016 FForm 4 → | Aug 25, 5:46 pm EDT | WESTLAKE CHEMICAL CORPWLK | 2,443 | $51.93 | $126,865 | 6,063 | — | plan? |
| Feb 15, 2016 FMForm 4 → | Feb 18, 4:05 pm EST | WESTLAKE CHEMICAL CORPWLK | 1,188 | $43.52 | $12,882 | 8,506 | — | plan? late |
Reported trades — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Company | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Feb 14, 2017 MForm 4 → | Feb 16, 4:15 pm EST | WESTLAKE CHEMICAL CORPWLK | 660 | — | — | 0 | — | |
| Nov 15, 2016 MForm 4 → | Nov 17, 4:15 pm EST | WESTLAKE CHEMICAL CORPWLK | 18,274 | — | — | 0 | — | |
| Feb 18, 2016 AForm 4 → | Feb 22, 4:05 pm EST | WESTLAKE CHEMICAL CORPWLK | 11,037 | — | — | 2,296 | — | |
| Feb 15, 2016 MForm 4 → | Feb 18, 4:05 pm EST | WESTLAKE CHEMICAL CORPWLK | 892 | — | — | 0 | — | late |