Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 282,427 | $7,546 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 292,098 | $6,780 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 206,600 | $3,992 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 206,600 | $3,638 | $18.75 | $16.70 - $22.05 |
| Q4 2024 | 228,877 | $5,026 | $21.91 | $18.17 - $24.80 |
| Q3 2024 | 161,182 | $3,127 | $17.59 | $14.91 - $19.96 |
| Q2 2024 | 107,748 | $1,659 | $15.81 | $14.60 - $16.97 |
| Q1 2024 | 114,566 | $1,874 | $16.49 | $14.82 - $17.99 |
| Q4 2023 | 131,308 | $1,958 | $11.37 | $9.07 - $15.19 |
| Q3 2023 | 131,308 | $1,391 | $12.85 | $10.47 - $15.63 |
| Q2 2023 | 131,308 | $1,590 | $12.26 | $10.71 - $15.63 |
| Q1 2023 | 193,167 | $2,697 | $19.27 | $13.50 - $22.20 |
| Q4 2022 | 187,397 | $4,035 | $21.45 | $19.75 - $22.48 |
| Q3 2022 | 187,397 | $3,729 | $21.80 | $19.90 - $23.72 |
| Q2 2022 | 189,308 | $4,146 | $20.48 | $18.62 - $23.23 |
| Q1 2022 | 189,308 | $3,614 | $19.36 | $18.07 - $20.45 |
| Q4 2021 | 158,831 | $2,924 | $18.74 | $17.07 - $22.47 |
| Q3 2021 | 218,158 | $4,804 | $22.22 | $21.08 - $23.51 |
| Q2 2021 | 145,232 | $3,324 | $22.09 | $20.30 - $23.69 |
| Q2 2016 | 323,522 | $4,976 | $15.36 | $14.61 - $16.48 |
| Q1 2016 | 390,338 | $5,726 | $15.37 | $13.63 - $17.63 |
| Q4 2015 | 402,110 | $7,077 | $16.65 | $15.39 - $18.00 |
| Q3 2015 | 402,110 | $6,229 | $15.58 | $14.95 - $16.52 |
| Q2 2015 | 410,115 | $6,234 | $15.62 | $14.65 - $17.20 |
| Q1 2015 | 492,300 | $8,418 | $14.89 | $13.35 - $17.42 |
| Q4 2014 | 492,300 | $6,818 | $13.63 | $13.00 - $15.00 |
| Q3 2014 | 492,300 | $6,548 | $13.94 | $13.06 - $19.00 |