| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Chang Stephen Chunping | Chief Executive Officer, Director | 475 OAKMEAD PKWY, SUNNYVALE | /s/ Yanbing Hong, attorney-in-fact for Stephen Chang | 2025-09-10 | 0001722000 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | AOSL | Common Share | Gift | $0 | -2.1K | -0.36% | $0.00 | 577K | Sep 9, 2025 | Direct | F1, F2, F3, F4 |
| Id | Content |
|---|---|
| F1 | Includes 45,000 unvested shares subject to the Market-Based Performance Share Unit (MSU) granted on July 1, 2018 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. |
| F2 | Includes an aggregate of 145,625 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2022, March 15, 2023, March 15, 2024, and March 17, 2025 which will be issued as such units vest in accordance with their terms, and excludes 67,500 unvested common shares subject to the Performance Share Unit (PSU) granted on March 17, 2025, which may become vested upon achievement of certain corporate performance goals in the future. |
| F3 | Includes an aggregate of 47,964 unvested shares subject to the PSU granted on March 15, 2022 and March 15, 2024 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. |
| F4 | Reflects 127 shares acquired under the Issuer's Employee Stock Purchase Plan on May 14, 2025. |