| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dyrness Albert D. | Director | 100 OVERLOOK CENTER,, SUITE 102, PRINCETON, | /s/ Albert D. Dyrness | 15 Jul 2025 | 0001664801 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SONN | Common Stock | Award | +4,000 | +7.45% | 4,537 | 11 Jul 2023 | Direct | F1, F2, F3 |
| Id | Content |
|---|---|
| F1 | On July 11, 2025, the Reporting Person was granted 4,000 restricted stock units, which will be settled in shares of common stock, par value $0.0001. The restricted stock units vest as to 100% of the restricted stock units on the earlier of (i) January 8, 2026, or (ii) the date of a "Change in Control" (as defined under the Issuer's 2020 Omnibus Equity Incentive Plan). |
| F2 | Includes unvested restricted stock units. |
| F3 | All amounts reflect the Issuer's 1:22 reverse stock split effective as of August 31, 2023 and 1:8 reverse stock split effective as of September 30, 2024. |