| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | REFR | Common Stock | Purchase | $3,880 | +2,000 | +1.2% | $1.94 | 164,923 | 14 Jun 2024 | Direct | |
| holding | REFR | Common Stock | 19,205 | 14 Jun 2024 | Held in IRA by reporting person's wife. |