Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 38,037 | $1,017 | $24.59 | $21.43 - $27.95 |
| Q3 2025 | 38,037 | $887 | $22.44 | $19.17 - $23.70 |
| Q1 2020 | 174,914 | $2,234 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 200,000 | $4,800 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 200,000 | $4,760 | $23.51 | $21.48 - $24.50 |
| Q2 2019 | 242,652 | $5,787 | $23.29 | $22.22 - $24.50 |
| Q1 2019 | 260,491 | $5,916 | $23.58 | $21.64 - $25.29 |
| Q4 2018 | 271,907 | $6,743 | $24.99 | $19.49 - $27.84 |
| Q3 2018 | 22,259 | $598 | $27.20 | $24.40 - $29.90 |
| Q2 2018 | 22,309 | $617 | $26.87 | $24.05 - $28.95 |
| Q1 2018 | 22,913 | $592 | $24.78 | $23.10 - $26.55 |
| Q4 2017 | 14,152 | $341 | $23.73 | $20.35 - $24.60 |
| Q3 2017 | 14,330 | $345 | $22.68 | $20.25 - $24.15 |
| Q2 2017 | 14,330 | $328 | $22.44 | $21.27 - $23.75 |
| Q1 2017 | 14,150 | $310 | $20.29 | $18.31 - $22.50 |