| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SIBN | Common Stock | Sale | $40,983 | -1,956 | -2.5% | $20.95 | 75,653 | 16 Aug 2023 | Direct | F1, F2 |
| transaction | SIBN | Common Stock | Sale | $94,344 | -4,494 | -5.9% | $20.99 | 71,159 | 16 Aug 2023 | Direct | F1, F2 |
| transaction | SIBN | Common Stock | Sale | $31,799 | -1,514 | -2.1% | $21.00 | 69,645 | 16 Aug 2023 | Direct | F1, F2, F3 |
| holding | SIBN | Common Stock | 132,580 | 16 Aug 2023 | by Trust | F4 |
| Id | Content |
|---|---|
| F1 | The sale reported on this Form 4 represents shares required to be sold by the Reporting Person to cover tax withholding obligations in connection with the vesting of restricted stock units. The sale satisfies the tax withholding obligations to be funded by a "sell to cover" transaction and does not represent a discretionary trade by the Reporting Person. |
| F2 | The price reported in column 4 is a weighted-average price. The shares were sold in multiple transactions ranging from $20.78 to $21.16, inclusive. The Reporting Person undertakes to provide the Issuer, any securityholder of the Issuer, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. |
| F3 | Includes 53,089 shares issuable on the settlement of restricted stock units granted to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
| F4 | Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012. |