| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $1,167 | +63 | +0.18% | $18.52 | 34,147 | 29 Jan 2021 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $1,153 | +52 | +0.15% | $22.17 | 34,199 | 30 Apr 2021 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $1,013 | +46 | +0.13% | $22.03 | 34,245 | 30 Jul 2021 | Direct | |
| transaction | ISTR | Common Stock | Small acquisition under Rule 16a-6 | $940 | +57 | +0.17% | $16.49 | 34,302 | 29 Oct 2021 | Direct | |
| holding | ISTR | Common Stock | 6,196 | 31 Dec 2021 | 401(k) |