Form 4 for AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd
Accepted 2026-03-18 00:00:00 ET · period of report 2026-03-16 · accession 0001878542-26-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| M | 2026-03-18 | 2026-03-16 | AOSL | Li Wenjun | COO | F - Tax | $21.43 | -5,539 | 76.6K | -7% | -$118.7K |
| M | 2026-03-18 | 2026-03-16 | AOSL | Li Wenjun | COO | A - Grant | $0.00 | +20.0K | 86.6K | +30% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Share | 2026-03-16 | F | D | 3,272 | $21.43 | 78,893 | D | — | — | (F5) Shares withheld to satisfy the Issuer's tax withholding obligation upon vesting of Restricted Share Units (RSU) granted on March 15, 2022, March 15, 2023, March 15, 2024, and March 17, 2025. (F2) Includes 7,500 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. (F4) Includes an aggregate of 25,000 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026 which will be issued as such units vest in accordance with their terms, and excludes 10,000 unvested common shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future. (F3) Includes 12,500 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2024 and March 17, 2025 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. |
| 2 | Common | Common Share | 2026-03-16 | A | A | 10,000 | $0.00 | 82,165 | D | — | — | (F1) The Restricted Share Unit (RSU) shall vest in equal annual installments over four (4) years from March 16, 2026, provided that the Reporting Person remains in the Issuer's service through each such vesting date. (F2) Includes 7,500 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. (F4) Includes an aggregate of 25,000 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026 which will be issued as such units vest in accordance with their terms, and excludes 10,000 unvested common shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future. (F3) Includes 12,500 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2024 and March 17, 2025 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. |
| 3 | Common | Common Share | 2026-03-16 | A | A | 10,000 | $0.00 | 86,626 | D | — | — | (F7) Represents PSU granted on March 17, 2025 upon the achievement of specified performance goals as certified previously by the Compensation Committee on March 5, 2026 and the issuance of shares thereunder is subject to vesting in four equal annual installment commencing on March 17, 2026 provided that the Reporting Person remains in the issuer's service through each such vesting date. (F2) Includes 7,500 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. (F4) Includes an aggregate of 25,000 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026 which will be issued as such units vest in accordance with their terms, and excludes 10,000 unvested common shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future. (F3) Includes 12,500 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2024 and March 17, 2025 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. |
| 4 | Common | Common Share | 2026-03-16 | F | D | 2,267 | $21.43 | 76,626 | D | — | — | (F6) Shares withheld to satisfy the Issuer's tax withholding obligation upon the vesting of Performance Share Units (PSU) granted on March 15, 2022, March 15, 2024, and March 17, 2025. (F2) Includes 7,500 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. (F4) Includes an aggregate of 25,000 shares subject to Restricted Share Unit awards (RSU) granted on March 15, 2023, March 15, 2024, March 17, 2025, and March 16, 2026 which will be issued as such units vest in accordance with their terms, and excludes 10,000 unvested common shares subject to the PSU granted on March 16, 2026, which may become vested upon achievement of certain corporate performance goals in the future. (F3) Includes 12,500 unvested shares subject to the Performance Share Unit (PSU) granted on March 15, 2024 and March 17, 2025 which are subject to vesting upon satisfaction of service-based vesting conditions by the Reporting Person. |