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 CFO and Corporate Secretary Yifan Liang executed an open-market sale of 8,625 common shares at a weighted average price of $35.0004 per share under a pre-arranged Rule 10b5-1 trading plan. After this transaction, Liang directly holds 270,003 shares, which include substantial unvested equity awards such as market-based performance share units, performance share units, and restricted share units that remain subject to future vesting conditions.
Alpha & Omega Semiconductor’s Chief Executive Officer Stephen Chunping Chang reported open-market sales of a total of 14,884 common shares of AOSL on April 17, 2026. The trades were executed at prices between $32.90 and $34.90 per share under a pre-arranged Rule 10b5-1 trading plan.
Following these sales, Chang continues to hold a large equity position, including substantial unvested awards such as market-based performance share units, performance share units, and restricted share units that may vest over time if service and performance conditions are met.
Alpha & Omega Semiconductor executive vice president of worldwide sales and business development, Bing Xue, completed an open-market sale of 1,832 common shares at $31.21 per share under a pre-arranged Rule 10b5-1 trading plan. After the sale, Xue directly holds 132,617 shares, which the disclosure notes include 22,500 unvested market-based performance share units, 18,750 unvested performance share units, and 38,750 shares subject to restricted share unit awards, while excluding 15,000 unvested common shares tied to a separate performance share unit grant.
Morgan Stanley Smith Barney LLC reported a proposed sale of 26,517 shares of Common stock by Yifan Liang on 04/14/2026 via Form 144. The filing lists the sale value as $810,495.24. The record also shows previously issued Performance Shares (2,901; 2,862) and Restricted Stock (2,862) grants with grant dates of 03/15/2021 and 03/15/2023.
Alpha and Omega Semiconductor Limited reported that director Dr. Lucas S. Chang has decided to retire from its Board of Directors. He notified the company on April 13, 2026, and his retirement will be effective April 17, 2026.
AOSL files a Rule 144 notice reporting planned resale and a recent transaction in common stock. The filing identifies 7,377 performance shares and 7,507 restricted shares as listed securities. It also discloses that Stephen Chang sold 5,594 shares on 04/14/2026 for $178,448.60.
Alpha & Omega Semiconductor CFO Yifan Liang sold common shares of AOSL in pre-planned trades. On April 14, 2026, he completed open-market sales totaling 26,517 common shares at prices around $29, $30, and about $32.00 per share under a Rule 10b5-1 trading plan adopted on August 21, 2025.
After these transactions, Liang directly holds 278,628 common shares, plus significant unvested equity awards. These include 22,500 market-based performance share units, 25,625 performance share units, and 52,500 restricted share units that may vest over time if service and performance conditions are met.
ALPHA & OMEGA SEMICONDUCTOR Ltd Chief Executive Officer Stephen Chunping Chang sold 5,594 common shares on April 14, 2026 in an open-market transaction at $31.90 per share. The sale was made under a pre‑arranged Rule 10b5-1 trading plan adopted on September 8, 2025.
Following the sale, he directly holds 650,785 common shares, which include 22,500 unvested Market-Based Performance Share Units, 79,375 unvested Performance Share Units, and 161,250 shares tied to Restricted Share Unit awards. This figure excludes 67,500 unvested common shares under a later PSU grant that depend on future corporate performance goals.
AOSL Form 144 notice shows proposed sales of Common stock by a holder represented by Morgan Stanley Smith Barney LLC Executive Financial Services. The excerpt lists two reported dispositions by Bing Xue: 2,408 shares for $52,783.36 on 03/16/2026 and 2,460 shares for $54,931.80 on 02/17/2026. The filing references Performance Shares with a date of 03/15/2025 and includes an administrative header dated 04/16/2026.