| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| BAYLESS KATHLEEN A | Director | 1180 PAGE AVE, FREMONT | /s/ Sandra Wallach, attorney-in-fact for Kathleen A Bayless | 2025-06-17 | 0001230569 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AMPX | Common stock | Award | $0 | +44.4K | +27.56% | $0.00 | 206K | Jun 13, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | The securities are represented by restricted stock units. Each restricted stock unit represents the reporting person's right to receive one share of issuer's common stock. 100% of the restricted stock units vest on the earlier of (i) the one-year anniversary of the date the restricted stock units were granted and (ii) the day before the next annual meeting of stockholders, subject to the reporting person's continued service as of the vesting date. |
| F2 | Includes 56,031 restricted stock units, each of which represents a contingent right to receive one share of the issuer's common stock, subject to the applicable vesting schedule and conditions of each restricted stock unit. |