ALPHA & OMEGA SEMICONDUCTOR Ltd.
- AOSL ยท Nasdaq
- Semiconductors & Related Devices
- Sunnyvale, CA
- 2,519 employees
- CIK 0001387467
Updated from SEC filings through
Top things to know
Executives
- Stephen Chunping Chang Chief Executive Officer 4, 2026-09-11
- Yifan Liang Chief Financial Officer and Corporate Secretary 10-K, 2026-08-27
- Wenjun Li Chief Operating Officer 4/A, 2026-03-25
- Mike F. Chang, Ph.D. Chairman of the Board and Executive Vice President of Strategic Initiatives 10-K, 2025-08-28
- Bing Xue EVP-WW Sales & Bus Development 4, 2026-07-17
ALPHA & OMEGA SEMICONDUCTOR Ltd is a U.S. public company in semiconductors & related devices (SIC 3674), headquartered in Sunnyvale, CA. It trades as AOSL on Nasdaq. Revenue was $679M in the fiscal year ending June 30, 2026, -2.5% from the year before. It reported about 2,519 employees. Stephen Chunping Chang is Chief Executive Officer.
Five-year financials
| Metric | FY2026 | FY2025 | FY2024 | FY2023 | FY2022 |
|---|---|---|---|---|---|
| Revenue | $679M 10-K, 2026-08-27 | $696M 10-K, 2026-08-27 | $657M 10-K, 2026-08-27 | $691M 10-K, 2025-08-28 | $778M 10-K, 2024-08-23 |
| Operating income | -$43.2M 10-K, 2026-08-27 | -$28.4M 10-K, 2026-08-27 | -$3.8M 10-K, 2026-08-27 | $22.5M 10-K, 2025-08-28 | $102M 10-K, 2024-08-23 |
| SG&A | $90.9M 10-K, 2026-08-27 | $95.2M 10-K, 2026-08-27 | $85.7M 10-K, 2026-08-27 | $88.9M 10-K, 2025-08-28 | $95.3M 10-K, 2024-08-23 |
| Net income | -$42.3M 10-K, 2026-08-27 | -$97.0M 10-K, 2026-08-27 | -$11.1M 10-K, 2026-08-27 | $12.4M 10-K, 2025-08-28 | $453M 10-K, 2024-08-23 |
Annual figures from XBRL in each company's own filings. Click a figure to open the filing. SG&A marked derived is general and administrative plus selling and marketing.
Leadership and board
| Name | Title | Source |
|---|---|---|
| Stephen Chunping Chang | Chief Executive Officer | 4, 2026-09-11 |
| Yifan Liang | Chief Financial Officer and Corporate Secretary | 10-K, 2026-08-27 |
| Wenjun Li Alpha & Omega Semiconductor | Chief Operating Officer | 4/A, 2026-03-25 |
| Mike F. Chang, Ph.D. | Chairman of the Board and Executive Vice President of Strategic Initiatives | 10-K, 2025-08-28 |
| Bing Xue EVP of Global Sales & Business Development at Alpha & Omega Semiconductor | EVP-WW Sales & Bus Development | 4, 2026-07-17 |
| Claudia Chen | Board member (per proxy) bio: Director | DEF 14A, 2026-09-30 |
| Hanqing (Helen) Li | Board member (per proxy) bio: Director | DEF 14A, 2026-09-30 |
| Joshua Chien | Board member (per proxy) bio: Director | DEF 14A, 2026-09-30 |
| King Owyang, Ph.D. | Board member (per proxy) bio: Director | DEF 14A, 2026-09-30 |
| Michael J. Salameh | Board member (per proxy) bio: Director | DEF 14A, 2026-09-30 |
| So-Yeon Jeong | Board member (per proxy) bio: Director | DEF 14A, 2026-09-30 |
| Lucas S. Chang, Ph.D. | Board member (per proxy) bio: Director | DEF 14A, 2025-09-18 |
| Michael L. Pfeiffer | Board member (per proxy) bio: Director | DEF 14A, 2025-09-18 |
What ALPHA & OMEGA SEMICONDUCTOR Ltd does
We are a designer, developer and global supplier of a broad portfolio of power semiconductors. Our portfolio of power semiconductors includes approximately 2,900 products, and has grown with the introduction of over 70 new products in the fiscal year ended June 30, 2026, and over 100 new products in each of the fiscal years ended June 30, 2025 and 2024, respectively.
Shares and governance
| Shares outstanding | 30.3 million (as of October 30, 2026) | 10-Q, November 6, 2026 |
|---|---|---|
| Public float | $487M (as of December 31, 2025) | 10-K, August 27, 2026 |
| Reportable segments | 1 (period ending September 30, 2026) | 10-Q, November 6, 2026 |
| Latest proxy statement | Meeting June 30, 2026 (filed September 30, 2026) | DEF 14A, September 30, 2026 |
| Auditor | Deloitte & Touche LLP (San Jose, California) | Latest 10-K |
Insider trades
Open-market buys and sales by officers and directors, from Forms 4 and 5. One row per filing.
| Date | Insider | Trade | Shares | Value | Source |
|---|---|---|---|---|---|
| July 16, 2026 | Bing Xue EVP-WW Sales & Bus Development | Sale | 875 | $30K | Form 4, July 17, 2026 |
| June 16, 2026 | Bing Xue EVP-WW Sales & Bus Development | Sale | 4,916 | $231K | Form 4, June 17, 2026 |
| May 22, 2026 | Claudia Chen Director | Sale | 4,061 | $161K | Form 4, May 26, 2026 |
| May 18, 2026 | Bing Xue EVP-WW Sales & Bus Development | Sale | 4,916 | $202K | Form 4, May 20, 2026 |
| April 17, 2026 | Yifan Liang CFO and Corp Secretary | Sale | 8,625 | $302K | Form 4, April 20, 2026 |
| April 17, 2026 | Stephen Chunping Chang Chief Executive Officer | Sale | 14,884 | $513K | Form 4, April 20, 2026 |
| April 16, 2026 | Bing Xue EVP-WW Sales & Bus Development | Sale | 1,832 | $57K | Form 4, April 20, 2026 |
| April 14, 2026 | Yifan Liang CFO and Corp Secretary | Sale | 26,517 | $810K | Form 4, April 16, 2026 |
Recent 8-K events
- 8-K filed 2026-11-05
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-08-12
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-07-10
- Item 5.02 Departure or appointment of directors or officers; compensation
- 8-K filed 2026-05-12
- Item 2.01 Completion of acquisition or disposition of assets
- 8-K filed 2026-05-06
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2026-04-17
- Item 5.02 Departure or appointment of directors or officers; compensation
- 8-K filed 2026-03-09
- Item 5.02 Departure or appointment of directors or officers; compensation
- 8-K filed 2026-02-05
- Item 2.02 Results of operations and financial condition (earnings release)
- 8-K filed 2025-11-17
- Item 5.07 Submission of matters to a vote of security holders
- 8-K filed 2025-11-05
- Item 2.02 Results of operations and financial condition (earnings release)
Frequently asked questions about ALPHA & OMEGA SEMICONDUCTOR Ltd
- What does ALPHA & OMEGA SEMICONDUCTOR Ltd do?
- In its own words, from Item 1 of its 10-K: "We are a designer, developer and global supplier of a broad portfolio of power semiconductors. Our portfolio of power semiconductors includes approximately 2,900 products, and has grown with the introduction of over 70 new products in the fiscal year ended June 30, 2026, and over 100 new products in each of the fiscal years ended June 30, 2025 and 2024, respectively."
- What is ALPHA & OMEGA SEMICONDUCTOR Ltd's revenue?
- $679M for the fiscal year ending June 30, 2026, from its 10-K filed August 27, 2026.
- Is ALPHA & OMEGA SEMICONDUCTOR Ltd profitable?
- ALPHA & OMEGA SEMICONDUCTOR Ltd reported net income of -$42.3M for the fiscal year ending June 30, 2026.
- How many employees does ALPHA & OMEGA SEMICONDUCTOR Ltd have?
- About 2,519 as of June 30, 2026, as stated in its annual report.
- Who is the CEO of ALPHA & OMEGA SEMICONDUCTOR Ltd?
- Stephen Chunping Chang, Chief Executive Officer, as named in a 4 filed September 11, 2026.
- Who is the CFO of ALPHA & OMEGA SEMICONDUCTOR Ltd?
- Yifan Liang, Chief Financial Officer and Corporate Secretary, as named in a 10-K filed August 27, 2026.
- Where is ALPHA & OMEGA SEMICONDUCTOR Ltd headquartered?
- Sunnyvale, CA.
- What is ALPHA & OMEGA SEMICONDUCTOR Ltd's stock ticker?
- AOSL on Nasdaq.
- What industry is ALPHA & OMEGA SEMICONDUCTOR Ltd in?
- Semiconductors & Related Devices, SIC code 3674.
- What is ALPHA & OMEGA SEMICONDUCTOR Ltd's website?
- aosmd.com.
- When does ALPHA & OMEGA SEMICONDUCTOR Ltd report earnings next?
- November 12, 2026. Source: estimate_8k_pattern.
- Is ALPHA & OMEGA SEMICONDUCTOR Ltd a public company?
- Yes. ALPHA & OMEGA SEMICONDUCTOR Ltd files with the SEC under CIK 0001387467 and trades as AOSL.
- Who audits ALPHA & OMEGA SEMICONDUCTOR Ltd?
- Deloitte & Touche LLP, San Jose, California, as named in its latest annual report (10-K).
- How many shares of ALPHA & OMEGA SEMICONDUCTOR Ltd are outstanding?
- 30.3 million shares as of October 30, 2026, from its 10-Q filed November 6, 2026.
- What is ALPHA & OMEGA SEMICONDUCTOR Ltd's public float?
- $487M as of December 31, 2025, as reported on the cover of its 10-K filed August 27, 2026.
- How many business segments does ALPHA & OMEGA SEMICONDUCTOR Ltd report?
- 1 reportable segment for the period ending September 30, 2026, from its 10-Q filed November 6, 2026.
- When is ALPHA & OMEGA SEMICONDUCTOR Ltd's annual shareholder meeting?
- June 30, 2026, per its proxy statement (DEF 14A) filed September 30, 2026.
- Have ALPHA & OMEGA SEMICONDUCTOR Ltd insiders traded stock recently?
- Since November 14, 2025, officers and directors reported 14 open-market sales worth about $2.7M and 1 purchase worth about $641K on Forms 4 and 5. The most recent: Bing Xue (EVP-WW Sales & Bus Development) sold 875 shares on July 16, 2026.