Ticker: WLK CUSIP: 960413102 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 515 | $55 | $81.78 | $72.56 - $95.02 |
| Q3 2017 | 515 | $43 | $64.66 | $57.52 - $74.59 |
| Q2 2017 | 515 | $34 | $55.73 | $52.23 - $59.49 |
| Q1 2017 | 515 | $34 | $55.38 | $49.25 - $59.68 |
| Q4 2016 | 515 | $29 | $47.64 | $42.61 - $53.78 |
| Q3 2016 | 515 | $28 | $41.92 | $34.93 - $47.03 |
| Q2 2016 | 515 | $22 | $39.55 | $34.26 - $45.64 |
| Q4 2013 | 2,050 | $250 | $47.34 | $43.59 - $51.55 |
| Q3 2013 | 12,700 | $1,329 | $42.90 | $40.28 - $45.40 |
| Q2 2013 | 10,050 | $969 | $37.72 | $32.17 - $41.82 |