Ticker: NAT CUSIP: G65773106 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 23,723 | $82 | $3.53 | $3.10 - $3.93 |
| Q3 2025 | 23,723 | $74 | $2.95 | $2.60 - $3.38 |
| Q2 2025 | 23,723 | $62 | $2.61 | $2.13 - $2.89 |
| Q1 2025 | 23,723 | $58 | $2.63 | $2.39 - $3.02 |
| Q4 2024 | 23,723 | $59 | $3.07 | $2.41 - $3.83 |
| Q3 2024 | 23,723 | $87 | $3.67 | $3.31 - $4.01 |
| Q2 2024 | 23,723 | $94 | $4.02 | $3.72 - $4.40 |
| Q1 2024 | 23,723 | $93 | $4.20 | $3.77 - $4.64 |
| Q4 2023 | 23,723 | $100 | $4.25 | $3.76 - $4.83 |
| Q3 2023 | 23,723 | $98 | $3.99 | $3.58 - $4.48 |
| Q2 2023 | 23,723 | $87 | $3.61 | $3.26 - $4.16 |
| Q1 2023 | 23,723 | $94 | $3.59 | $2.83 - $4.65 |
| Q4 2022 | 23,723 | $73 | $3.23 | $2.47 - $3.94 |
| Q3 2022 | 24,824 | $66 | $2.66 | $1.80 - $3.60 |
| Q2 2022 | 24,824 | $53 | $2.39 | $1.87 - $3.35 |
| Q1 2022 | 24,824 | $53 | $1.77 | $1.40 - $2.55 |
| Q4 2021 | 13,101 | $22 | $2.15 | $1.65 - $2.90 |
| Q3 2021 | 1,101 | $3 | $2.51 | $2.08 - $3.34 |
| Q2 2021 | 1,101 | $4 | $3.38 | $3.02 - $3.81 |
| Q1 2021 | 1,101 | $4 | $3.22 | $2.75 - $4.05 |
| Q4 2020 | 1,101 | $3 | $3.26 | $2.75 - $3.76 |
| Q3 2020 | 1,101 | $4 | $4.17 | $3.33 - $4.78 |
| Q2 2020 | 1,101 | $4 | $4.74 | $3.18 - $9.00 |
| Q1 2020 | 1,101 | $5 | $3.61 | $2.30 - $5.28 |
| Q4 2019 | 1,101 | $5 | $3.81 | $2.10 - $5.17 |
| Q3 2019 | 1,101 | $2 | $2.02 | $1.66 - $2.43 |
| Q2 2019 | 1,101 | $3 | $2.15 | $1.83 - $2.76 |
| Q1 2019 | 1,101 | $2 | $2.11 | $1.81 - $2.38 |
| Q4 2018 | 5,101 | $10 | $2.60 | $1.96 - $3.47 |
| Q3 2018 | 5,101 | $11 | $2.30 | $1.95 - $2.99 |
| Q2 2018 | 5,101 | $14 | $2.21 | $1.82 - $3.00 |
| Q1 2018 | 4,000 | $8 | $2.29 | $1.82 - $2.68 |
| Q4 2017 | 4,000 | $10 | $4.14 | $2.45 - $5.84 |
| Q3 2017 | 4,000 | $21 | $5.49 | $4.41 - $6.65 |
| Q2 2017 | 4,000 | $25 | $7.03 | $5.43 - $8.61 |
| Q1 2017 | 4,000 | $33 | $8.27 | $7.65 - $9.32 |
| Q4 2016 | 4,300 | $37 | $8.89 | $7.51 - $10.07 |
| Q3 2016 | 3,000 | $30 | $11.62 | $9.77 - $14.30 |
| Q2 2016 | 3,100 | $43 | $14.56 | $13.04 - $16.05 |
| Q1 2016 | 4,650 | $55 | $13.31 | $9.86 - $15.45 |
| Q4 2015 | 3,000 | $47 | $15.16 | $13.64 - $16.88 |
| Q3 2015 | 4,150 | $63 | $14.89 | $12.21 - $17.31 |
| Q2 2015 | 4,650 | $66 | $12.81 | $11.11 - $14.88 |
| Q1 2015 | 4,650 | $55 | $10.57 | $9.08 - $11.98 |
| Q4 2014 | 4,650 | $47 | $8.58 | $6.89 - $10.34 |
| Q4 2013 | 1,650 | $16 | $8.27 | $7.43 - $9.72 |
| Q3 2013 | 1,650 | $14 | $8.35 | $7.23 - $10.24 |
| Q2 2013 | 1,650 | $12 | $8.57 | $6.85 - $11.30 |
| Q1 2013 | 1,650 | $19 | $9.04 | $8.33 - $11.74 |
| Q1 2011 | 600 | $15 | — | — |
| Q4 2010 | 600 | $16 | — | — |
| Q3 2010 | 600 | $16 | — | — |
| Q2 2010 | 600 | $17 | — | — |