| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SIBN | Common Stock | Award | $0 | +9,795 | +13% | $0.000000 | 85,166 | 03 May 2023 | Direct | F1, F2 |
| holding | SIBN | Common Stock | 132,580 | 26 Apr 2023 | by Trust | F3, F4 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SIBN | Stock Options (Right to buy) | Gift | $0 | -126,247 | -100% | $0.000000* | 0 | 26 Apr 2023 | Common Stock | 126,247 | $22.00 | Direct | F5, F6 |
| Id | Content |
|---|---|
| F1 | Reflects 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. The shares subject to the restricted stock unit will vest over three years beginning on May 1, 2023, and will be released in quarterly installments commencing on August 1, 2023, subject to the Reporting Person's continued service through each relevant vesting date. |
| F2 | Represents shares issuable on settlement of restricted stock units granted to the Reporting Person. |
| F3 | Reflects the transfer of shares from the Reporting Person to The Jeffrey W. Dunn Living Trust Dated May 17, 2012. |
| F4 | Shares held by The Jeffrey W. Dunn Living Trust Dated May 17, 2012. |
| F5 | The reported transaction involves the Reporting Person's transfer of options to trusts for the benefit of Reporting Person's grandchildren. |
| F6 | The shares subject to the option are fully vested. |