| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | MASS | Common Stock, par value $0.001 | Sale | $700,446 | -17,814 | -16% | $39.32* | 91,580 | 16 Jun 2021 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Represents sales effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. |