Ticker: NL CUSIP: 629156407 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2018 | 233 | $2 | $7.02 | $5.07 - $9.94 |
| Q4 2017 | 233 | $3 | $8.53 | $6.13 - $10.78 |
| Q3 2017 | 233 | $2 | $5.16 | $4.60 - $6.38 |
| Q2 2017 | 233 | $2 | $5.28 | $4.03 - $7.32 |
| Q1 2017 | 233 | $2 | $4.54 | $3.53 - $6.08 |
| Q4 2016 | 233 | $2 | $3.68 | $2.08 - $6.45 |
| Q2 2014 | 6,234 | $58 | $6.35 | $5.61 - $7.46 |