| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NRC | Director Stock Option (Right to Buy) | Award | $0 | +6,822 | $0.000000 | 6,822 | 18 May 2021 | Common Stock | 6,822 | $48.97 | Direct |