| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CERT | Common Stock | Sale | $2,107,211 | -58,146 | -1.9% | $36.24 | 3,029,905 | 22 Sep 2021 | Direct | F1, F2 |
| transaction | CERT | Common Stock | Sale | $620,733 | -16,854 | -0.56% | $36.83 | 3,013,051 | 22 Sep 2021 | Direct | F1, F3 |
| Id | Content |
|---|---|
| F1 | The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person. |
| F2 | This transaction was executed in multiple trades at prices ranging from $35.74 to $36.74. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |
| F3 | This transaction was executed in multiple trades at prices ranging from $36.74 to $36.97. The price reported above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. |