Ticker: NL CUSIP: 629156407 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 356 | $2 | $4.54 | $3.53 - $6.08 |
| Q4 2016 | 356 | $2 | $3.68 | $2.08 - $6.45 |
| Q3 2016 | 356 | $1 | $2.38 | $1.51 - $4.17 |
| Q2 2016 | 356 | $1 | $1.92 | $1.44 - $2.37 |