Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 65,301 | $1,748 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 67,051 | $1,540 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 63,970 | $1,279 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 52,310 | $929 | $18.75 | $16.70 - $22.05 |
| Q4 2024 | 31,516 | $695 | $21.91 | $18.17 - $24.80 |
| Q3 2024 | 41,223 | $805 | $17.59 | $14.91 - $19.96 |
| Q2 2024 | 29,995 | $467 | $15.81 | $14.60 - $16.97 |
| Q1 2024 | 29,995 | $491 | $16.49 | $14.82 - $17.99 |
| Q4 2023 | 29,995 | $452 | $11.37 | $9.07 - $15.19 |
| Q3 2023 | 29,512 | $316 | $12.85 | $10.47 - $15.63 |
| Q2 2023 | 29,512 | $347 | $12.26 | $10.71 - $15.63 |
| Q1 2023 | 29,512 | $405 | $19.27 | $13.50 - $22.20 |
| Q4 2022 | 29,512 | $635 | $21.45 | $19.75 - $22.48 |
| Q3 2022 | 29,514 | $590 | $21.80 | $19.90 - $23.72 |
| Q2 2022 | 29,514 | $641 | $20.48 | $18.62 - $23.23 |
| Q1 2022 | 29,734 | $565 | $19.36 | $18.07 - $20.45 |
| Q4 2021 | 29,734 | $546 | $18.74 | $17.07 - $22.47 |
| Q3 2021 | 29,734 | $651 | $22.22 | $21.08 - $23.51 |
| Q2 2021 | 29,734 | $676 | $22.09 | $20.30 - $23.69 |
| Q1 2021 | 29,732 | $612 | $18.78 | $15.66 - $23.45 |
| Q4 2020 | 29,975 | $500 | $15.38 | $12.51 - $17.39 |
| Q3 2020 | 28,362 | $369 | $13.65 | $12.35 - $15.21 |
| Q2 2020 | 28,371 | $411 | $12.74 | $10.00 - $16.57 |
| Q1 2020 | 28,362 | $353 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 25,387 | $612 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 26,692 | $635 | $23.51 | $21.48 - $24.50 |