Ticker: NI CUSIP: 65473P105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 21,800 | $1 | $42.62 | $40.75 - $44.58 |
| Q3 2025 | 21,300 | $1 | $41.04 | $38.07 - $43.22 |
| Q2 2025 | 21,800 | $1 | $38.61 | $34.92 - $40.25 |
| Q1 2025 | 21,800 | $1 | $37.65 | $34.53 - $40.61 |
| Q4 2024 | 21,400 | $1 | $34.83 | $32.48 - $37.50 |
| Q3 2024 | 21,900 | $1 | $30.72 | $27.20 - $33.49 |
| Q2 2024 | 20,800 | $1 | $26.92 | $24.89 - $28.17 |
| Q1 2024 | 20,800 | $1 | $24.83 | $23.51 - $26.28 |
| Q4 2023 | 21,500 | $1 | $24.04 | $21.24 - $25.67 |
| Q3 2023 | 21,500 | $1 | $25.04 | $22.81 - $26.39 |
| Q2 2023 | 19,700 | $1 | $25.49 | $24.33 - $26.66 |
| Q1 2023 | 18,800 | $1 | $24.88 | $23.66 - $25.79 |
| Q4 2022 | 19,400 | $1 | $23.70 | $21.30 - $25.84 |
| Q3 2022 | 20,700 | $521 | $26.33 | $22.49 - $28.55 |
| Q2 2022 | 21,800 | $643 | $26.85 | $23.44 - $28.74 |
| Q1 2022 | 22,800 | $725 | $25.52 | $23.10 - $28.21 |
| Q4 2021 | 24,000 | $663 | $22.19 | $20.82 - $24.36 |
| Q3 2021 | 25,700 | $623 | $21.56 | $20.50 - $22.41 |
| Q2 2021 | 26,100 | $639 | $21.80 | $20.01 - $22.86 |
| Q1 2021 | 24,500 | $591 | $19.14 | $17.80 - $20.84 |
| Q4 2020 | 24,500 | $562 | $19.68 | $17.87 - $21.34 |
| Q3 2020 | 24,500 | $539 | $19.36 | $17.80 - $21.02 |
| Q2 2020 | 25,100 | $571 | $19.95 | $17.79 - $22.59 |
| Q1 2020 | 23,500 | $587 | $22.67 | $16.09 - $25.06 |
| Q4 2019 | 28,800 | $802 | $22.34 | $21.19 - $24.31 |
| Q3 2019 | 28,800 | $862 | $23.74 | $22.21 - $24.87 |
| Q2 2019 | 30,500 | $878 | $22.64 | $21.66 - $23.96 |
| Q1 2019 | 30,300 | $868 | $21.49 | $19.60 - $23.07 |
| Q4 2018 | 30,100 | $763 | $20.42 | $19.05 - $22.01 |
| Q3 2018 | 30,100 | $750 | $20.80 | $19.35 - $22.14 |
| Q2 2018 | 32,100 | $844 | $19.12 | $18.16 - $20.57 |
| Q1 2018 | 32,100 | $768 | $18.30 | $17.40 - $19.75 |
| Q4 2017 | 31,300 | $803 | $20.38 | $18.94 - $21.35 |
| Q3 2017 | 30,100 | $770 | $20.05 | $18.94 - $20.85 |
| Q2 2017 | 30,100 | $784 | $18.88 | $17.73 - $20.15 |
| Q1 2017 | 32,800 | $780 | $17.18 | $16.18 - $18.30 |
| Q4 2016 | 34,400 | $762 | $16.59 | $15.82 - $17.85 |
| Q3 2016 | 32,500 | $784 | $18.54 | $17.21 - $19.86 |
| Q2 2016 | 37,500 | $995 | $17.66 | $16.09 - $19.56 |
| Q1 2016 | 36,200 | $853 | $15.66 | $13.85 - $17.38 |
| Q4 2015 | 33,400 | $652 | $13.95 | $13.22 - $14.63 |
| Q3 2015 | 33,400 | $620 | $12.30 | $11.57 - $13.39 |
| Q2 2015 | 33,400 | $1,523 | $12.70 | $11.86 - $13.80 |
| Q1 2015 | 36,700 | $1,621 | $12.01 | $11.41 - $12.59 |
| Q4 2014 | 38,200 | $1,620 | $11.47 | $10.36 - $12.46 |
| Q3 2014 | 42,000 | $1,721 | $10.70 | $9.93 - $11.50 |
| Q2 2014 | 41,000 | $1,613 | $10.06 | $9.35 - $10.87 |
| Q1 2014 | 41,000 | $1,457 | $9.34 | $8.67 - $10.02 |