Welcome to our dedicated page for Alpha And Omega SEC filings (Ticker: AOSL), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
The Alpha and Omega Semiconductor Limited (AOSL) SEC filings page on Stock Titan provides access to the company’s U.S. regulatory documents as filed with the Securities and Exchange Commission. As a Bermuda-organized company with shares listed on Nasdaq, AOSL files periodic and current reports that describe its financial condition, governance, compensation practices, and material corporate events.
Key filings for Alpha and Omega Semiconductor include Form 10-K annual reports and Form 10-Q quarterly reports, which contain audited or reviewed financial statements, management’s discussion and analysis, and details on the company’s power semiconductor business. These reports cover areas such as revenue from power discretes and power ICs, segment focus on computing, consumer, communication, industrial and data center applications, and risk factors relevant to its semiconductor operations.
The company also files Form 8-K current reports to disclose significant events. Recent 8-Ks referenced in the data include announcements of quarterly and annual financial results, the outcomes of the annual general meeting of shareholders, and an equity transfer agreement related to a joint venture for power semiconductor packaging, testing, and a 12-inch wafer fabrication facility in Chongqing, China. These filings provide timely insight into AOSL’s operational and strategic developments.
In addition, Alpha and Omega Semiconductor submits DEF 14A definitive proxy statements for its annual general meetings. These documents describe proposals such as the election of directors, advisory votes on executive compensation, amendments to the company’s omnibus incentive plan, and the ratification of the independent registered public accounting firm. They also include information on executive and director compensation, equity plans, and governance structures.
On Stock Titan, these filings are complemented by AI-powered summaries that help explain the contents of lengthy reports like 10-Ks and 10-Qs in plain language. Users can quickly see the main points of a filing, then drill down into the full text when needed. The filings page also surfaces Form 4 insider transaction reports when available, allowing investors to monitor trading activity by directors and officers alongside the company’s broader disclosure record.
ALPHA & OMEGA SEMICONDUCTOR Ltd Chief Operating Officer Wenjun Li reported routine equity compensation and tax-related share movements. On 2026-03-16, Li received an award of 10,000 Common Shares, increasing direct holdings to 86,558 shares. On the same date, a total of 5,607 shares were disposed of at $21.43 per share to satisfy tax withholding obligations tied to vesting Performance Share Units and Restricted Share Units, rather than through open-market sales. This amended filing corrects earlier errors in the reported number of tax-withholding shares.
ALPHA & OMEGA SEMICONDUCTOR Ltd director Mike F. Chang filed an amended insider report covering restricted share unit activity. On March 16, 2026, 14,419 Common Shares were disposed of to cover tax withholding on RSU vesting, and 22,500 Common Shares were acquired as a grant. After these changes, Chang directly held 4,390,326 Common Shares. The amendment corrects the number of shares previously reported as withheld for taxes and does not reflect any open-market buying or selling.
Alpha & Omega Semiconductor’s Chief Operating Officer Wenjun Li reported equity compensation changes. On March 16, 2026, Li received two grants of 10,000 common shares each at no cost, structured as Restricted Share Units that vest in equal annual installments over four years from March 16, 2026, subject to continued service.
The company withheld 3,272 and 2,267 common shares at $21.43 per share to cover tax obligations upon vesting of prior RSU and Performance Share Unit awards. After these transactions, Li directly holds 86,626 common shares. Footnotes note additional unvested awards, including 7,500 market-based PSUs granted in 2018, 12,500 PSUs granted in 2024 and 2025, and 25,000 RSUs granted from 2023–2026, plus a 10,000-share PSU granted March 16, 2026 that vests only if future corporate performance goals are achieved.
ALPHA & OMEGA SEMICONDUCTOR Ltd EVP Xue Bing reported mixed share transactions involving sales, equity awards, and tax withholding. On March 16, 2026, he sold 2,408 common shares in an open-market transaction at $21.92 per share under a pre-arranged Rule 10b5-1 trading plan.
On the same date, he received two equity grants totaling 30,000 common shares at no cash cost, described as grant or award acquisitions. The company withheld 9,182 shares at $21.43 per share to cover tax obligations related to vesting of Restricted Share Units and Performance Share Units, which is not an open-market sale.
After these transactions, Xue Bing directly held 134,449 common shares. This position includes unvested Market-Based Performance Share Units, Performance Share Units, and multiple Restricted Share Unit awards that will vest over time if continued service and specified performance and service conditions are met.
ALPHA & OMEGA SEMICONDUCTOR Ltd CFO and Corporate Secretary Yifan Liang reported equity compensation and related tax withholding transactions in common shares. Liang received two grants of 22,500 Restricted Share Units each, awarded at no cash cost, which are scheduled to vest in equal annual installments over four years from March 16, 2026, contingent on continued service. The filing also shows a total of 11,499 shares withheld at $21.43 per share to cover tax obligations upon vesting of earlier RSU and Performance Share Unit awards. After these grants and withholdings, Liang directly holds 305,145 common shares, which include various unvested MSU, PSU and RSU awards that vest over time based on service and, for some awards, corporate performance goals.
Alpha & Omega Semiconductor CEO Stephen Chunping Chang reported equity compensation and related tax withholding transactions involving the company’s common shares. On March 16, 2026, he received two grants totaling 135,000 common shares at no cost, structured as restricted and performance-based share units that vest over multiple years, subject to continued service and corporate performance goals.
On the same date, a total of 43,483 shares were withheld at $21.43 per share to cover tax obligations arising from vesting of earlier restricted and performance share unit awards. After these grants and tax withholdings, Chang directly owns 656,379 common shares, in addition to various unvested RSU, PSU, and MSU awards that may settle in shares as vesting and performance conditions are met.
ALPHA & OMEGA SEMICONDUCTOR Ltd director and 10% owner Mike F. Chang reported equity compensation activity involving common shares. On March 16, 2026, he received two stock awards totaling 45,000 common shares at no cost, described as Restricted Share Unit grants that vest in equal annual installments over four years from that date, subject to continued service.
On the same date, the issuer withheld 27,813 common shares at $21.43 per share to cover tax obligations upon the vesting of earlier RSU and Performance Share Unit grants. After these grant and tax-withholding entries, Chang directly holds 4,364,261 common shares, including multiple unvested RSU, PSU, and market-based PSU awards that remain subject to service-based and, in some cases, performance-based vesting conditions.
AOSL filed a Form 144 reporting sales of Common Stock by a broker/holder.
The filing lists two dispositions by Bing Xue: 2,460 shares sold on 02/17/2026 for $54,931.80 and 737 shares sold on 01/15/2026 for $16,530.91. The notice names Morgan Stanley Smith Barney LLC Executive Financial Services as a related broker/agent.
ALPHA & OMEGA SEMICONDUCTOR Ltd director and 10% owner Mike F. Chang made an open-market purchase of 33,727 common shares at $19.00 per share. This buy on March 9, 2026 increased his direct holdings to 4,369,574 common shares.
His reported position includes 41,670 unvested shares from performance share units granted on March 15, 2022 and March 15, 2024, 45,000 unvested shares from MSUs, and 86,875 shares underlying restricted share unit awards that will be issued as they vest. It excludes 22,500 unvested common shares tied to a performance share unit grant from March 17, 2025 that vest only if certain corporate performance goals are achieved.
Alpha and Omega Semiconductor Limited approved a 2026 incentive cash bonus plan for its executive officers. Awards will depend on how well the company meets specified adjusted earnings per share and revenue goals for the 2026 calendar year, with minimum thresholds required before any payout.
For the Chief Executive Officer, the minimum, target and maximum bonuses are 23%, 100% and 220% of base salary. For the Chief Financial Officer, Executive Vice President of Worldwide Sales and Business Development, and Chief Operating Officer, the corresponding bonus opportunities are 16%, 70% and 154% of base salary.