| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $89.75 | +5 | +0.01% | $17.95 | 37,530 | 31 Jan 2024 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $2,383 | +133 | +0.35% | $17.92 | 37,663 | 31 Jan 2024 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $84.25 | +5 | +0.01% | $16.85 | 37,668 | 30 Apr 2024 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $2,390 | +143 | +0.38% | $16.71 | 37,811 | 30 Apr 2024 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $93.6 | +5 | +0.01% | $18.72 | 37,816 | 31 Jul 2024 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $2,419 | +129 | +0.34% | $18.75 | 37,945 | 31 Jul 2024 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $108 | +5 | +0.01% | $21.65 | 37,950 | 31 Oct 2024 | Direct |