Form 4
Tax / Compensation Filing
2026-06-03
AOSL insider Form 4 filed for equity award, exercise, or tax withholding
Chang Mike F (Director, 10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Chang Mike F (Director, 10% Owner)
Shares: 30,000
Form 4
Tax / Compensation Filing
2026-05-28
AOSL insider Form 4 filed for equity award, exercise, or tax withholding
Chang Mike F (Director, 10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Chang Mike F (Director, 10% Owner)
Shares: 39,780
Form 4
Tax / Compensation Filing
2026-05-27
AOSL insider Form 4 filed for equity award, exercise, or tax withholding
Chang Mike F (Director, 10% Owner) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Chang Mike F (Director, 10% Owner)
Shares: 736,252
Form 4
Insider Selling
2026-05-26
AOSL insider Chen Claudia (Director) sold 4,061 shares (~$160.5K)
Chen Claudia, listed as Director at ALPHA & OMEGA SEMICONDUCTOR Ltd, reported an open-market sale of 4,061 AOSL shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Chen Claudia (Director)
Shares: 4,061
Est. Value: $160.5K
Form 4
Tax / Compensation Filing
2026-05-26
AOSL insider Form 4 filed for equity award, exercise, or tax withholding
Chang Stephen Chunping (Director, Chief Executive Officer) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Chang Stephen Chunping (Director, Chief Executive Officer)
Shares: 2,000
Form 144
Proposed Insider Sale
2026-05-22
AOSL Form 144 filed for proposed insider sale by CLAUDIA CHEN (4,061 shares) ~$321.1K
CLAUDIA CHEN filed a Form 144 with the SEC indicating intent to sell AOSL (ALPHA & OMEGA SEMICONDUCTOR Ltd) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: CLAUDIA CHEN
Shares: 4,061
Est. Value: $321.1K
Form 4
Insider Selling
2026-05-20
AOSL insider Xue Bing (EVP-WW Sales & Bus Development) sold 4,916 shares (~$201.6K)
Xue Bing, listed as EVP-WW Sales & Bus Development at ALPHA & OMEGA SEMICONDUCTOR Ltd, reported an open-market sale of 4,916 AOSL shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Xue Bing (EVP-WW Sales & Bus Development)
Shares: 4,916
Est. Value: $201.6K
Form 144
Proposed Insider Sale
2026-05-18
AOSL Form 144 filed for proposed insider sale by BING XUE (4,916 shares) ~$403.1K
BING XUE filed a Form 144 with the SEC indicating intent to sell AOSL (ALPHA & OMEGA SEMICONDUCTOR Ltd) shares. Form 144 reflects a proposed sale, not a completed transaction. The actual execution, if any, would typically appear later in a Form 4.
Filing: Form 144 (Proposed Sale Notice)
Insider: BING XUE
Shares: 4,916
Est. Value: $403.1K
Form 8-K
Material Company Update
2026-05-12
AOSL filed 8-K — material company event
ALPHA & OMEGA SEMICONDUCTOR Ltd filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Filing: 8-K (Material Event)
Form 10-Q
Quarterly Report
2026-05-06
AOSL filed Quarterly Report (10-Q)
ALPHA & OMEGA SEMICONDUCTOR Ltd filed its quarterly report with the SEC. This report includes unaudited financial statements and management discussion for the quarter.
Filing: 10-Q (Quarterly Report)
Form 8-K
Material Company Update
2026-05-06
AOSL filed 8-K — material company event
ALPHA & OMEGA SEMICONDUCTOR Ltd filed an 8-K with the SEC reporting a material event. Filing excerpt: XBRL Viewer
Filing: 8-K (Material Event)
Form 4
Tax / Compensation Filing
2026-04-30
AOSL insider Form 4 filed for equity award, exercise, or tax withholding
Liang Yifan (CFO and Corp Secretary) filed a Form 4 covering compensation-related activity such as stock awards, option exercises, conversions, or tax withholding. These filings are usually neutral.
Filing: Form 4 (Insider Transaction)
Insider: Liang Yifan (CFO and Corp Secretary)
Shares: 600
Form 4
Insider Selling
2026-04-20
AOSL insider Liang Yifan (CFO and Corp Secretary) sold 8,625 shares (~$301.9K)
Liang Yifan, listed as CFO and Corp Secretary at ALPHA & OMEGA SEMICONDUCTOR Ltd, reported an open-market sale of 8,625 AOSL shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Liang Yifan (CFO and Corp Secretary)
Shares: 8,625
Est. Value: $301.9K
Form 4
Insider Selling
2026-04-20
AOSL insider Chang Stephen Chunping (Director, Chief Executive Officer) sold 14,884 shares (~$513.0K)
Chang Stephen Chunping, listed as Director, Chief Executive Officer at ALPHA & OMEGA SEMICONDUCTOR Ltd, reported an open-market sale of 14,884 AOSL shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Chang Stephen Chunping (Director, Chief Executive Officer)
Shares: 14,884
Est. Value: $513.0K
Form 4
Insider Selling
2026-04-20
AOSL insider Xue Bing (EVP-WW Sales & Bus Development) sold 1,832 shares (~$57.2K)
Xue Bing, listed as EVP-WW Sales & Bus Development at ALPHA & OMEGA SEMICONDUCTOR Ltd, reported an open-market sale of 1,832 AOSL shares in a Form 4 filing. This is a confirmed insider sale, not just a proposed sale notice.
Filing: Form 4 (Insider Transaction)
Insider: Xue Bing (EVP-WW Sales & Bus Development)
Shares: 1,832
Est. Value: $57.2K