Ticker: NL CUSIP: 629156407 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2015 | 23,597 | $175 | $5.07 | $4.66 - $5.54 |
| Q1 2015 | 23,597 | $183 | $5.04 | $4.59 - $5.87 |
| Q4 2014 | 23,597 | $203 | $5.19 | $4.43 - $6.23 |
| Q3 2014 | 23,597 | $174 | $6.00 | $4.80 - $7.05 |