Ticker: ISTB CUSIP: 46432F859 Class: CORE 1 5 YR USD
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 567,791 | $27,680 | — | — |
| Q3 2025 | 530,332 | $25,901 | — | — |
| Q2 2025 | 485,522 | $23,621 | — | — |
| Q1 2025 | 474,692 | $22,951 | — | — |
| Q4 2024 | 426,710 | $20,384 | — | — |
| Q3 2024 | 392,713 | $19,117 | — | — |
| Q2 2024 | 358,264 | $16,971 | — | — |
| Q1 2024 | 333,345 | $15,814 | — | — |
| Q4 2023 | 278,561 | $13,248 | — | — |
| Q3 2023 | 252,104 | $11,693 | — | — |
| Q2 2023 | 236,700 | $11,040 | — | — |
| Q1 2023 | 233,907 | $11,030 | — | — |
| Q4 2022 | 243,540 | $11,310 | — | — |
| Q3 2022 | 251,030 | $11,572 | — | — |
| Q2 2022 | 267,015 | $12,657 | — | — |
| Q1 2022 | 284,325 | $13,778 | — | — |
| Q4 2021 | 299,304 | $15,094 | — | — |
| Q3 2021 | 269,208 | $13,748 | — | — |
| Q2 2021 | 233,074 | $11,954 | — | — |
| Q1 2021 | 205,538 | $10,542 | — | — |
| Q4 2020 | 185,570 | $9,583 | — | — |
| Q3 2020 | 161,013 | $8,300 | — | — |
| Q2 2020 | 110,685 | $5,697 | — | — |
| Q1 2020 | 96,236 | $4,860 | — | — |
| Q4 2019 | 87,640 | $4,417 | — | — |
| Q3 2019 | 80,560 | $4,067 | — | — |
| Q2 2019 | 63,373 | $3,196 | — | — |
| Q1 2019 | 59,765 | $2,980 | — | — |
| Q4 2018 | 53,829 | $2,641 | — | — |