Ticker: NI CUSIP: 65473P105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2017 | 25,000 | $642 | $20.38 | $18.94 - $21.35 |
| Q3 2017 | 25,000 | $640 | $20.05 | $18.94 - $20.85 |
| Q2 2017 | 25,000 | $634 | $18.88 | $17.73 - $20.15 |
| Q1 2017 | 25,000 | $595 | $17.18 | $16.18 - $18.30 |
| Q3 2016 | 14,615 | $352 | $18.54 | $17.21 - $19.86 |
| Q2 2016 | 14,615 | $388 | $17.66 | $16.09 - $19.56 |
| Q1 2016 | 14,615 | $344 | $15.66 | $13.85 - $17.38 |
| Q4 2015 | 14,615 | $285 | $13.95 | $13.22 - $14.63 |
| Q3 2015 | 14,615 | $271 | $12.30 | $11.57 - $13.39 |
| Q2 2015 | 14,615 | $666 | $12.70 | $11.86 - $13.80 |
| Q4 2013 | 10,376 | $341 | $8.50 | $8.06 - $9.04 |
| Q3 2013 | 10,950 | $338 | $8.06 | $7.51 - $8.38 |
| Q2 2013 | 10,813 | $310 | $7.81 | $7.21 - $8.30 |
| Q1 2013 | 12,488 | $367 | $7.14 | $6.50 - $7.75 |
| Q4 2012 | 12,700 | $316 | — | — |