Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 137,225 | $3,667 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 135,643 | $3,148 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 82,899 | $1,602 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 91,341 | $1,609 | $18.75 | $16.70 - $22.05 |
| Q4 2024 | 195,125 | $4,285 | $21.91 | $18.17 - $24.80 |
| Q3 2024 | 201,884 | $3,917 | $17.59 | $14.91 - $19.96 |
| Q2 2024 | 170,957 | $2,633 | $15.81 | $14.60 - $16.97 |
| Q1 2024 | 214,513 | $3,509 | $16.49 | $14.82 - $17.99 |
| Q4 2023 | 157,335 | $2,346 | $11.37 | $9.07 - $15.19 |
| Q3 2023 | 149,793 | $1,586 | $12.85 | $10.47 - $15.63 |
| Q2 2023 | 150,537 | $1,823 | $12.26 | $10.71 - $15.63 |
| Q1 2023 | 188,953 | $2,638 | $19.27 | $13.50 - $22.20 |
| Q4 2022 | 227,043 | $4,888 | $21.45 | $19.75 - $22.48 |
| Q3 2022 | 238,921 | $4,755 | $21.80 | $19.90 - $23.72 |
| Q2 2022 | 304,050 | $6,659 | $20.48 | $18.62 - $23.23 |
| Q1 2022 | 324,303 | $6,191 | $19.36 | $18.07 - $20.45 |
| Q4 2021 | 319,928 | $5,890 | $18.74 | $17.07 - $22.47 |
| Q3 2021 | 314,662 | $6,929 | $22.22 | $21.08 - $23.51 |
| Q2 2021 | 250,437 | $5,733 | $22.09 | $20.30 - $23.69 |
| Q1 2021 | 67,736 | $1,392 | $18.78 | $15.66 - $23.45 |
| Q4 2020 | 61,052 | $1,010 | $15.38 | $12.51 - $17.39 |
| Q4 2018 | 11,683 | $290 | $24.99 | $19.49 - $27.84 |
| Q3 2018 | 55,155 | $1,481 | $27.20 | $24.40 - $29.90 |
| Q2 2018 | 55,155 | $1,525 | $26.87 | $24.05 - $28.95 |
| Q1 2018 | 51,362 | $1,328 | $24.78 | $23.10 - $26.55 |
| Q4 2017 | 52,771 | $1,272 | $23.73 | $20.35 - $24.60 |
| Q3 2017 | 45,519 | $1,097 | $22.68 | $20.25 - $24.15 |
| Q2 2017 | 41,696 | $955 | $22.44 | $21.27 - $23.75 |
| Q1 2017 | 40,407 | $885 | $20.29 | $18.31 - $22.50 |