Ticker: NL CUSIP: 629156407 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q2 2018 | 29,450 | $256 | $5.77 | $4.74 - $6.72 |
| Q1 2018 | 29,450 | $231 | $7.02 | $5.07 - $9.94 |
| Q4 2017 | 29,450 | $420 | $8.53 | $6.13 - $10.78 |