Ticker: ISTR CUSIP: 46134L105 Class: Common Stock
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q3 2021 | 20,000 | $450 | $22.22 | $21.08 - $23.51 |
| Q2 2020 | 207,000 | $2,995 | $12.74 | $10.00 - $16.57 |
| Q1 2020 | 207,000 | $2,637 | $20.32 | $8.49 - $24.40 |
| Q4 2019 | 207,000 | $4,957 | $24.60 | $23.10 - $26.46 |
| Q3 2019 | 207,000 | $4,915 | $23.51 | $21.48 - $24.50 |
| Q2 2019 | 207,000 | $4,926 | $23.29 | $22.22 - $24.50 |
| Q1 2019 | 362,791 | $8,239 | $23.58 | $21.64 - $25.29 |
| Q4 2018 | 456,000 | $11,307 | $24.99 | $19.49 - $27.84 |
| Q3 2018 | 553,100 | $14,849 | $27.20 | $24.40 - $29.90 |
| Q2 2018 | 620,800 | $17,163 | $26.87 | $24.05 - $28.95 |
| Q1 2018 | 771,200 | $17,830 | $24.78 | $23.10 - $26.55 |
| Q4 2017 | 794,800 | $19,155 | $23.73 | $20.35 - $24.60 |
| Q3 2017 | 795,000 | $19,155 | $22.68 | $20.25 - $24.15 |
| Q2 2017 | 794,800 | $18,202 | $22.44 | $21.27 - $23.75 |
| Q1 2017 | 794,800 | $17,407 | $20.29 | $18.31 - $22.50 |
| Q4 2016 | 611,900 | $11,413 | $17.15 | $15.40 - $19.70 |
| Q3 2016 | 603,000 | $9,255 | $15.43 | $15.00 - $16.46 |
| Q2 2016 | 467,000 | $7,180 | $15.36 | $14.61 - $16.48 |
| Q1 2016 | 467,000 | $6,848 | $15.37 | $13.63 - $17.63 |
| Q4 2015 | 467,000 | $8,216 | $16.65 | $15.39 - $18.00 |
| Q3 2015 | 416,000 | $6,446 | $15.58 | $14.95 - $16.52 |
| Q2 2015 | 410,000 | $6,227 | $15.62 | $14.65 - $17.20 |
| Q1 2015 | 349,000 | $5,963 | $14.89 | $13.35 - $17.42 |
| Q4 2014 | 348,700 | $4,830 | $13.63 | $13.00 - $15.00 |
| Q3 2014 | 331,300 | $4,406 | $13.94 | $13.06 - $19.00 |