Ticker: NL CUSIP: 629156407 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2018 | 1,852 | $11 | $5.35 | $3.96 - $6.38 |
| Q2 2018 | 500 | $4 | $5.77 | $4.74 - $6.72 |
| Q2 2015 | 27,500 | $204 | $5.07 | $4.66 - $5.54 |
| Q1 2015 | 4,800 | $37 | $5.04 | $4.59 - $5.87 |
| Q4 2014 | 3,900 | $34 | $5.19 | $4.43 - $6.23 |
| Q3 2014 | 3,900 | $29 | $6.00 | $4.80 - $7.05 |
| Q2 2014 | 4,000 | $37 | $6.35 | $5.61 - $7.46 |
| Q1 2014 | 3,000 | $33 | $7.51 | $6.74 - $8.43 |
| Q4 2013 | 3,000 | $34 | $7.44 | $6.69 - $7.97 |
| Q3 2013 | 3,200 | $36 | $7.29 | $6.80 - $8.16 |