Ticker: NL CUSIP: 629156407 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2015 | 11,000 | $33 | $2.26 | $1.77 - $2.84 |
| Q3 2015 | 11,000 | $33 | $3.42 | $1.95 - $5.15 |
| Q2 2015 | 10,000 | $74 | $5.07 | $4.66 - $5.54 |
| Q1 2015 | 10,000 | $78 | $5.04 | $4.59 - $5.87 |
| Q4 2014 | 10,000 | $86 | $5.19 | $4.43 - $6.23 |
| Q3 2014 | 10,000 | $74 | $6.00 | $4.80 - $7.05 |
| Q2 2014 | 10,000 | $93 | $6.35 | $5.61 - $7.46 |
| Q1 2014 | 10,000 | $108 | $7.51 | $6.74 - $8.43 |
| Q4 2013 | 10,000 | $112 | $7.44 | $6.69 - $7.97 |
| Q3 2013 | 10,000 | $114 | $7.29 | $6.80 - $8.16 |
| Q2 2013 | 10,000 | $113 | $7.45 | $6.66 - $8.29 |