Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 167,925 | $4 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 165,218 | $4 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 110,602 | $2 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 92,454 | $2 | $18.75 | $16.70 - $22.05 |
| Q4 2024 | 82,112 | $2 | $21.91 | $18.17 - $24.80 |
| Q3 2024 | 86,576 | $2 | $17.59 | $14.91 - $19.96 |
| Q2 2024 | 21,456 | $0 | $15.81 | $14.60 - $16.97 |
| Q2 2022 | 8,386 | $183 | $20.48 | $18.62 - $23.23 |
| Q2 2021 | 8,323 | $191 | $22.09 | $20.30 - $23.69 |
| Q1 2021 | 10,471 | $215 | $18.78 | $15.66 - $23.45 |
| Q4 2020 | 10,471 | $173 | $15.38 | $12.51 - $17.39 |
| Q3 2020 | 8,695 | $111 | $13.65 | $12.35 - $15.21 |
| Q2 2020 | 15,143 | $220 | $12.74 | $10.00 - $16.57 |
| Q1 2020 | 15,143 | $193 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 15,143 | $364 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 12,857 | $306 | $23.51 | $21.48 - $24.50 |
| Q2 2019 | 11,136 | $265 | $23.29 | $22.22 - $24.50 |
| Q1 2019 | 2,083 | $47 | $23.58 | $21.64 - $25.29 |
| Q2 2018 | 308 | $9 | $26.87 | $24.05 - $28.95 |
| Q1 2018 | 727 | $19 | $24.78 | $23.10 - $26.55 |