Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 20,500 | $548 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 24,200 | $562 | $22.44 | $19.17 - $23.70 |
| Q2 2025 | 26,000 | $502 | $18.45 | $15.39 - $20.38 |
| Q1 2025 | 28,000 | $493 | $18.75 | $16.70 - $22.05 |
| Q4 2024 | 21,800 | $479 | $21.91 | $18.17 - $24.80 |
| Q3 2024 | 21,800 | $423 | $17.59 | $14.91 - $19.96 |
| Q2 2024 | 21,800 | $336 | $15.81 | $14.60 - $16.97 |
| Q1 2021 | 16,300 | $334 | $18.78 | $15.66 - $23.45 |
| Q4 2020 | 3,300 | $54 | $15.38 | $12.51 - $17.39 |
| Q3 2020 | 2,100 | $26 | $13.65 | $12.35 - $15.21 |
| Q2 2020 | 800 | $11 | $12.74 | $10.00 - $16.57 |
| Q1 2020 | 800 | $10 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 800 | $19 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 800 | $19 | $23.51 | $21.48 - $24.50 |
| Q2 2019 | 800 | $19 | $23.29 | $22.22 - $24.50 |
| Q1 2019 | 800 | $18 | $23.58 | $21.64 - $25.29 |
| Q4 2018 | 800 | $19 | $24.99 | $19.49 - $27.84 |
| Q3 2018 | 800 | $21 | $27.20 | $24.40 - $29.90 |
| Q2 2018 | 800 | $22 | $26.87 | $24.05 - $28.95 |
| Q2 2017 | 2,400 | $54 | $22.44 | $21.27 - $23.75 |