Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 7,375 | $197 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 9,928 | $230 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 10,451 | $202 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 9,269 | $163 | $18.75 | $16.70 - $22.05 |
| Q4 2024 | 9,709 | $213 | $21.91 | $18.17 - $24.80 |
| Q3 2024 | 9,509 | $184 | $17.59 | $14.91 - $19.96 |
| Q2 2024 | 10,622 | $164 | $15.81 | $14.60 - $16.97 |
| Q1 2024 | 365 | $6 | $16.49 | $14.82 - $17.99 |
| Q4 2023 | 365 | $5 | $11.37 | $9.07 - $15.19 |
| Q3 2023 | 365 | $4 | $12.85 | $10.47 - $15.63 |
| Q2 2023 | 365 | $4 | $12.26 | $10.71 - $15.63 |
| Q1 2021 | 15,626 | $321 | $18.78 | $15.66 - $23.45 |
| Q4 2020 | 16,216 | $268 | $15.38 | $12.51 - $17.39 |
| Q3 2020 | 14,132 | $181 | $13.65 | $12.35 - $15.21 |
| Q2 2020 | 15,533 | $225 | $12.74 | $10.00 - $16.57 |
| Q1 2020 | 18,413 | $235 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 13,413 | $322 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 13,448 | $320 | $23.51 | $21.48 - $24.50 |
| Q2 2019 | 12,669 | $302 | $23.29 | $22.22 - $24.50 |
| Q1 2019 | 12,071 | $274 | $23.58 | $21.64 - $25.29 |
| Q4 2018 | 11,826 | $293 | $24.99 | $19.49 - $27.84 |
| Q3 2018 | 7,948 | $213 | $27.20 | $24.40 - $29.90 |
| Q2 2018 | 8,123 | $225 | $26.87 | $24.05 - $28.95 |