Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 3,723 | $99 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 3,341 | $78 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 2,675 | $52 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 18,551 | $327 | $18.75 | $16.70 - $22.05 |
| Q4 2021 | 6 | $110 | $18.74 | $17.07 - $22.47 |
| Q3 2021 | 6 | $132 | $22.22 | $21.08 - $23.51 |
| Q2 2021 | 6 | $137 | $22.09 | $20.30 - $23.69 |
| Q1 2021 | 4,620 | $94,941 | $18.78 | $15.66 - $23.45 |
| Q4 2020 | 3,008 | $49,752 | $15.38 | $12.51 - $17.39 |
| Q3 2020 | 2,475 | $31,730 | $13.65 | $12.35 - $15.21 |
| Q2 2020 | 456 | $6,612 | $12.74 | $10.00 - $16.57 |
| Q1 2020 | 2,867 | $36,612 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 1,931 | $46,344 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 1,454 | $34,605 | $23.51 | $21.48 - $24.50 |
| Q2 2019 | 1,294 | $30,862 | $23.29 | $22.22 - $24.50 |
| Q1 2019 | 1,883 | $42,763 | $23.58 | $21.64 - $25.29 |
| Q4 2018 | 152 | $3,770 | $24.99 | $19.49 - $27.84 |
| Q3 2018 | 302 | $8,109 | $27.20 | $24.40 - $29.90 |
| Q2 2018 | 302 | $8,350 | $26.87 | $24.05 - $28.95 |
| Q1 2018 | 1,787 | $46,194 | $24.78 | $23.10 - $26.55 |
| Q4 2017 | 1,846 | $44,489 | $23.73 | $20.35 - $24.60 |
| Q3 2017 | 798 | $19,232 | $22.68 | $20.25 - $24.15 |
| Q2 2017 | 857 | $19,625 | $22.44 | $21.27 - $23.75 |