Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 10,001 | $267 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 10,000 | $232 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 10,000 | $193 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 10,000 | $176 | $18.75 | $16.70 - $22.05 |
| Q4 2024 | 10,000 | $220 | $21.91 | $18.17 - $24.80 |
| Q3 2024 | 10,000 | $194 | $17.59 | $14.91 - $19.96 |
| Q2 2024 | 10,000 | $154 | $15.81 | $14.60 - $16.97 |
| Q1 2024 | 10,000 | $164 | $16.49 | $14.82 - $17.99 |
| Q4 2023 | 10,000 | $149 | $11.37 | $9.07 - $15.19 |
| Q3 2023 | 10,000 | $106 | $12.85 | $10.47 - $15.63 |
| Q2 2023 | 10,000 | $121 | $12.26 | $10.71 - $15.63 |
| Q1 2023 | 10,000 | $140 | $19.27 | $13.50 - $22.20 |
| Q4 2022 | 10,000 | $215 | $21.45 | $19.75 - $22.48 |
| Q3 2022 | 10,000 | $199 | $21.80 | $19.90 - $23.72 |
| Q2 2022 | 10,000 | $219 | $20.48 | $18.62 - $23.23 |
| Q1 2022 | 10,000 | $191 | $19.36 | $18.07 - $20.45 |
| Q4 2021 | 10,000 | $184 | $18.74 | $17.07 - $22.47 |
| Q3 2021 | 10,000 | $220 | $22.22 | $21.08 - $23.51 |
| Q2 2021 | 10,000 | $229 | $22.09 | $20.30 - $23.69 |
| Q1 2021 | 10,000 | $206 | $18.78 | $15.66 - $23.45 |
| Q4 2020 | 10,000 | $165 | $15.38 | $12.51 - $17.39 |
| Q3 2020 | 10,000 | $128 | $13.65 | $12.35 - $15.21 |
| Q2 2020 | 10,000 | $145 | $12.74 | $10.00 - $16.57 |
| Q1 2020 | 10,000 | $128 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 10,000 | $240 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 10,000 | $238 | $23.51 | $21.48 - $24.50 |