| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Mataac Lara | General Counsel | 1 MARINA PARK DRIVE, UNIT 1410, BOSTON | /s/ Lara Mataac | 24 Feb 2026 | 0001935707 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSPN | Common Stock | Options Exercise | $0 | +1,823 | +2.6% | $0.000000 | 71,725 | 23 Feb 2026 | Direct | F1 |
| transaction | OSPN | Common Stock | Tax liability | $6,794 | -632 | -0.88% | $10.75 | 71,093 | 23 Feb 2026 | Direct |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OSPN | Restricted Stock Unit | Options Exercise | $0 | -1,823 | -100% | $0.000000 | 0 | 23 Feb 2026 | Common Stock | 1,823 | $0.000000 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Each restricted stock unit represents a contingent right to receive one share of OSPN common stock. |
| F2 | The restricted stock units vest over three years starting on February 23, 2023, with one-third of the shares vesting on February 23, 2024 and one-sixth of the shares vesting every six months thereafter. |