AOSL on Nasdaq
Alpha & Omega Semiconductor
Semiconductor company in the United States founded in 20001
In its 2026 annual report the company says: “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.”17 It is headquartered in Sunnyvale.1 Its shares trade on Nasdaq under the symbol AOSL.1
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Last updated Oct 21, 2026.
Overview
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- TickerAOSL on Nasdaq1
- IndustrySemiconductors & Related Devices1
- HeadquartersSunnyvale1
- Websiteaosmd.com
- Business address475 Oakmead Parkway, Sunnyvale, Ca 940855
- Filer categoryAccelerated filer5
- Legal formLocal Company Limited by Shares3
- LEI5493001FE7J03YOV2V353
- StatusActive3
- LEI statusLapsed (not renewed)3
- Registered addressClarendon House, HM 11 Hamilton, Bermuda3
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Financials
From the company’s reports to the SEC. Every number links to the filing it came from.
Key numbers, fiscal 2026
22.3%Gross margin4
-6.4%Operating margin4
-6.2%Net margin4
-2.5%Revenue growth, 20264
-5.3%Return on equity4
0.00×Debt to equity4
-$68.1MFree cash flow4
What sells
Revenue by product, business segment and region, as the company reports it to the SEC.
Products and services
Power Discrete brought in 64% of the revenue Alpha & Omega Semiconductor broke down this way in fiscal 2026.
Products and services by year
| Products and services | 2024 | 2025 | 2026 |
|---|---|---|---|
| Power Discrete | $426.1M | $449.5M | $437.8M |
| Power Ic | $205.8M | $229.9M | $233.9M |
| Packaging and testing services | $4.1M | $2.9M | $7.3M |
Regions
Hong Kong brought in 96% of the revenue Alpha & Omega Semiconductor broke down this way in fiscal 2026.
Regions by year
| Regions | 2024 | 2025 | 2026 |
|---|---|---|---|
| Hong Kong | $524.8M | $617.6M | $649.3M |
| China | $95.4M | $58.5M | $16.4M |
| United States | $4.9M | $4.1M | $7.3M |
| Other Countries | $22.2M | $14.3M | $4.1M |
| South Korea | $10.0M | $1.7M | $1.9M |
Where the money goes
Where each dollar of revenue went, fiscal 2026
- Cost of revenue72¢$527.4M
- Research and development14¢$103.9M
- Selling, general and admin12¢$90.9M
- Income tax1¢$7.5M
Out of $678.9M in revenue.4 The company lost money this year.
Financial statements
Every line of the income statement as filed: the last 3 fiscal years, latest first.4
| Period ending | 2026-06-30 | 2025-06-30 | 2024-06-30 |
|---|---|---|---|
| Revenue | $678.9M | $696.2M | $657.3M |
| Cost of goods sold | $527.4M | $535.2M | $485.4M |
| Gross profit | $151.5M | $161.0M | $171.9M |
| Research and development | $103.9M | $94.3M | $89.9M |
| Selling, general and administrative | $90.9M | $95.2M | $85.7M |
| Total operating expenses | $194.7M | $189.4M | $175.7M |
| Operating loss | -$43.2M | -$28.4M | -$3.8M |
| Other income (loss), net | $4.4M | -$1.0M | -$73.0K |
| Interest income | $4.0M | $4.3M | $5.2M |
| Interest expenses | -$775.0K | -$2.6M | -$4.0M |
| Net loss before income taxes and equity method investment income (loss) | -$35.6M | -$27.8M | -$2.6M |
| Income tax expense (benefit) | $7.5M | -$8.6M | $3.6M |
| Net loss before equity method investment income (loss) | -$43.1M | -$19.2M | -$6.3M |
| Equity method investment income (loss) | $834.0K | -$77.8M | -$4.8M |
| Net loss | -$42.3M | -$97.0M | -$11.1M |
| Net loss | -$42.3M | -$97.0M | -$11.1M |
| Basic (in dollars per share) | -$1.41 | -$3.30 | -$0.39 |
| Diluted (in dollars per share) | -$1.41 | -$3.30 | -$0.39 |
| Basic (in shares) | 30.0M shares | 29.4M shares | 28.2M shares |
| Diluted (in shares) | 30.0M shares | 29.4M shares | 28.2M shares |
No quarter-by-quarter statement was filed.
Every line of the balance sheet as filed: the last 3 fiscal years (annual) or 3 quarters (quarterly), latest first.4
| Period ending | 2026-06-30 | 2025-06-30 | 2024-06-30 |
|---|---|---|---|
| Cash and cash equivalents | $180.8M | $153.1M | $175.1M |
| Restricted cash | $654.0K | $419.0K | $413.0K |
| Accounts receivable, net | $42.8M | $34.8M | |
| Inventories | $201.4M | $189.7M | |
| Other current assets | $12.3M | $18.2M | |
| Total current assets | $437.9M | $396.2M | |
| Property, plant and equipment, net | $314.7M | $314.1M | |
| Operating lease right-of-use assets, net | $22.3M | $21.3M | |
| Intangible assets, net | $1.3M | $269.0K | |
| Equity method investment | $142.7M | $279.1M | |
| Deferred income tax assets | $8.6M | $599.0K | |
| Other long-term assets | $36.1M | $22.8M | |
| Total assets | $963.6M | $1.0B | |
| Accrued liabilities | $57.7M | $59.0M | |
| Income taxes payable | $2.8M | $1.8M | |
| Short-term debt | $3.1M | $11.9M | |
| Deferred revenue | $726.0K | $0 | |
| Finance lease liabilities | $1.1M | $1.0M | |
| Operating lease liabilities | $6.3M | $5.0M | |
| Total current liabilities | $127.4M | $154.5M | |
| Long-term debt | $537.0K | $14.9M | |
| Income taxes payable - long-term | $4.8M | $4.2M | |
| Deferred income tax liabilities | $11.9M | $13.2M | |
| Finance lease liabilities - long-term | $189.0K | $1.3M | |
| Operating lease liabilities - long-term | $16.8M | $16.9M | |
| Other long-term liabilities | $4.1M | $7.0M | |
| Total liabilities | $165.7M | $212.0M | |
| Authorized: 10,000 shares; issued and outstanding: none at June 30, 2026 and 2025 | $0 | $0 | |
| Authorized: 100,000 shares; issued and outstanding: 38,294 shares and 30,253 shares, respectively at June 30, 2026 and 37,127 shares and 30,009 shares, respectively at June 30, 2025 | $77.0K | $74.0K | |
| Treasury shares at cost; 8,041 shares at June 30, 2026 and 7,118 shares at June 30, 2025 | -$97.1M | -$79.1M | |
| Additional paid-in capital | $406.9M | $379.8M | |
| Accumulated other comprehensive loss | -$3.5M | -$12.4M | |
| Retained earnings | $491.5M | $533.9M | |
| Total shareholders' equity | $797.9M | $822.3M | |
| Total liabilities and shareholders' equity | $963.6M | $1.0B | |
| Preferred stock, par value (in dollars per share) | $0.00 | $0.00 | |
| Preferred stock, shares authorized (in shares) | 10.0M shares | 10.0M shares | |
| Preferred stock, shares issued (in shares) | 0 shares | 0 shares | |
| Preferred stock, shares outstanding (in shares) | 0 shares | 0 shares | |
| Common shares, par value (in dollars per share) | $0.00 | $0.00 | |
| Common shares, authorized (in shares) | 100.0M shares | 100.0M shares | |
| Common stock, shares issued (in shares) | 38.3M shares | 37.1M shares | |
| Common stock, shares outstanding (in shares) | 30.3M shares | 30.0M shares | |
| Treasury shares (in shares) | 8.0M shares | 7.1M shares |
| Period ending | 2026-06-30 | 2025-06-30 | 2024-06-30 |
|---|---|---|---|
| Cash and cash equivalents | $180.8M | $153.1M | $175.1M |
| Restricted cash | $654.0K | $419.0K | $413.0K |
| Accounts receivable, net | $42.8M | $34.8M | |
| Inventories | $201.4M | $189.7M | |
| Other current assets | $12.3M | $18.2M | |
| Total current assets | $437.9M | $396.2M | |
| Property, plant and equipment, net | $314.7M | $314.1M | |
| Operating lease right-of-use assets, net | $22.3M | $21.3M | |
| Intangible assets, net | $1.3M | $269.0K | |
| Equity method investment | $142.7M | $279.1M | |
| Deferred income tax assets | $8.6M | $599.0K | |
| Other long-term assets | $36.1M | $22.8M | |
| Total assets | $963.6M | $1.0B | |
| Accrued liabilities | $57.7M | $59.0M | |
| Income taxes payable | $2.8M | $1.8M | |
| Short-term debt | $3.1M | $11.9M | |
| Deferred revenue | $726.0K | $0 | |
| Finance lease liabilities | $1.1M | $1.0M | |
| Operating lease liabilities | $6.3M | $5.0M | |
| Total current liabilities | $127.4M | $154.5M | |
| Long-term debt | $537.0K | $14.9M | |
| Income taxes payable - long-term | $4.8M | $4.2M | |
| Deferred income tax liabilities | $11.9M | $13.2M | |
| Finance lease liabilities - long-term | $189.0K | $1.3M | |
| Operating lease liabilities - long-term | $16.8M | $16.9M | |
| Other long-term liabilities | $4.1M | $7.0M | |
| Total liabilities | $165.7M | $212.0M | |
| Authorized: 10,000 shares; issued and outstanding: none at June 30, 2026 and 2025 | $0 | $0 | |
| Authorized: 100,000 shares; issued and outstanding: 38,294 shares and 30,253 shares, respectively at June 30, 2026 and 37,127 shares and 30,009 shares, respectively at June 30, 2025 | $77.0K | $74.0K | |
| Treasury shares at cost; 8,041 shares at June 30, 2026 and 7,118 shares at June 30, 2025 | -$97.1M | -$79.1M | |
| Additional paid-in capital | $406.9M | $379.8M | |
| Accumulated other comprehensive loss | -$3.5M | -$12.4M | |
| Retained earnings | $491.5M | $533.9M | |
| Total shareholders' equity | $797.9M | $822.3M | |
| Total liabilities and shareholders' equity | $963.6M | $1.0B | |
| Preferred stock, par value (in dollars per share) | $0.00 | $0.00 | |
| Preferred stock, shares authorized (in shares) | 10.0M shares | 10.0M shares | |
| Preferred stock, shares issued (in shares) | 0 shares | 0 shares | |
| Preferred stock, shares outstanding (in shares) | 0 shares | 0 shares | |
| Common shares, par value (in dollars per share) | $0.00 | $0.00 | |
| Common shares, authorized (in shares) | 100.0M shares | 100.0M shares | |
| Common stock, shares issued (in shares) | 38.3M shares | 37.1M shares | |
| Common stock, shares outstanding (in shares) | 30.3M shares | 30.0M shares | |
| Treasury shares (in shares) | 8.0M shares | 7.1M shares |
Cash flow is reported year to date, not quarter by quarter, so there are no separate quarterly figures.
Every line of the cash flow as filed: the last 3 fiscal years, latest first.4
| Period ending | 2026-06-30 | 2025-06-30 | 2024-06-30 |
|---|---|---|---|
| Net loss before equity method investment income (loss) | -$42.3M | -$97.0M | -$11.1M |
| Depreciation and amortization | $57.3M | $62.4M | $53.8M |
| Equity method investment income (loss) | -$834.0K | $77.8M | $4.8M |
| Gain on recovery of privately-held investment | -$290.0K | $0 | $0 |
| Share-based compensation expense | $26.7M | $29.6M | $21.6M |
| Deferred income taxes, net | -$9.3M | -$13.3M | -$880.0K |
| Loss on disposal of property and equipment | $54.0K | $80.0K | $78.0K |
| Impairment of property and equipment | $334.0K | $1.0M | $0 |
| Impairment of privately-held investment | $0 | $100.0K | $0 |
| Accounts receivable | -$8.0M | -$22.2M | $9.9M |
| Inventories | -$11.7M | $6.1M | -$12.5M |
| Other current and long-term assets | $1.4M | -$465.0K | $1.9M |
| Payable related to equity investee, net | -$7.1M | $2.1M | $1.7M |
| Accounts payable | -$12.1M | $13.3M | -$2.4M |
| Income taxes payable | $1.6M | -$399.0K | -$2.0M |
| Deferred revenue | $726.0K | -$2.6M | -$5.5M |
| Accrued and other liabilities | -$12.8M | -$26.9M | -$33.8M |
| Net cash (used in) provided by operating activities | -$16.3M | $29.7M | $25.7M |
| Proceeds from sale of equity interest in the JV Company | $147.7M | $0 | $0 |
| Purchases of property and equipment | -$51.8M | -$37.2M | -$37.1M |
| Purchases of intangible assets | -$569.0K | $0 | $0 |
| Proceeds from sale of property and equipment | $11.0K | $61.0K | $383.0K |
| Proceeds from sale of privately-held investment | $290.0K | $0 | $0 |
| Government grants related to equipment | $145.0K | $678.0K | $961.0K |
| Loan receivable from suppliers | -$9.7M | $0 | $0 |
| Net cash provided by (used in) investing activities | $86.1M | -$36.4M | -$35.7M |
| Withholding tax on restricted stock units | -$7.5M | -$10.7M | -$7.7M |
| Proceeds from exercise of stock options and ESPP | $8.0M | $7.8M | $10.1M |
| Payments for repurchase of common shares | -$18.2M | $0 | $0 |
| Repayments of borrowings | -$23.1M | -$11.7M | -$11.5M |
| Principal payments on finance leases | -$1.0M | -$935.0K | -$867.0K |
| Net cash used in financing activities | -$41.8M | -$15.5M | -$9.9M |
| Effect of exchange rate changes on cash, cash equivalents and restricted cash | -$48.0K | $227.0K | -$126.0K |
| Net increase (decrease) in cash, cash equivalents and restricted cash | $27.9M | -$22.0M | -$20.1M |
| Cash paid for interest | $1.1M | $2.9M | $2.6M |
| Cash paid for income taxes | $17.5M | $4.6M | $5.8M |
| Property and equipment purchased but not yet paid | $10.8M | $10.6M | $7.4M |
| Reissuance of treasury stock | $148.0K | $155.0K | $152.0K |
| Foreign currency translation adjustment, tax | $1.9M | -$43.0K | $876.0K |
No quarter-by-quarter statement was filed.
Corporate structure
Alpha & Omega Semiconductor sits at the top of its group. 16 entities, 10 countries on record. Switch between the flow chart and the network, and select any entity to see its details.
Major holders of Alpha & Omega Semiconductor
- Mike F. Chang Filed SCHEDULE 13G/A on Alpha & Omega Semiconductor, latest Aug 10, 2026 (5 filings since Feb 11, 2022)
- State Street Corporation Filed SCHEDULE 13G on Alpha & Omega Semiconductor, latest Aug 7, 2026
- DIMENSIONAL FUND ADVISORS LP Filed SCHEDULE 13G/A on Alpha & Omega Semiconductor, latest Jul 14, 2026 (6 filings since Feb 8, 2022)
- VANGUARD GROUP INC Filed SCHEDULE 13G/A on Alpha & Omega Semiconductor, latest Mar 26, 2026 (4 filings since Feb 9, 2022)
- Hood River Capital Management LLC Filed SCHEDULE 13G/A on Alpha & Omega Semiconductor, latest Aug 14, 2025 (2 filings since May 15, 2025)
- BlackRock Filed SCHEDULE 13G/A on Alpha & Omega Semiconductor, latest Apr 30, 2025 (6 filings since Feb 3, 2022)
- Neil Gagnon Filed SC 13G/A on Alpha & Omega Semiconductor, latest Jan 31, 2022
- Alpha & Omega Semiconductor Sunnyvale, California, United States
- Agape Limited Subsidiary · Hong Kong
- Alpha & Omega Semiconductor (Germany) GmbH Subsidiary · Germany
- Alpha & Omega Semiconductor (Hong Kong) Limited Subsidiary · Hong Kong
- Alpha & Omega Semiconductor (Macau), Ltd. Subsidiary · Macau
- Alpha & Omega Semiconductor (Shenzhen) Limited Subsidiary · China
- Alpha & Omega Semiconductor (Taiwan) Limited Subsidiary · Taiwan
- Alpha and Omega Electronic Technology (Shanghai) Co., Ltd. Subsidiary · China
- Alpha and Omega Semiconductor (Delaware) LLC Subsidiary · Delaware, United States
- Alpha and Omega Semiconductor (India) Limited Subsidiary · India
- Alpha and Omega Semiconductor (Serbia) Limited Subsidiary · Serbia
- Alpha and Omega Semiconductor (Shanghai) Co., Ltd. Subsidiary · China
- Alpha and Omega Semiconductor (UK) Limited Subsidiary · United Kingdom
- Alpha and Omega Semiconductor International LP Subsidiary · Canada
- Chongqing Alpha and Omega Semiconductor Limited Subsidiary · China
- Jireh Semiconductor Incorporated Subsidiary · Oregon, United States
Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries listed in Exhibit 21 of annual reports filed with the SEC; major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
What it owns
What Alpha & Omega Semiconductor reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.
Property and equipment
| Item | Latest | A year before | Change |
|---|---|---|---|
| Construction in progress | $42.7M4 Jun 30, 2026 | $28.0M4 Jun 30, 2025 | +52.2% |
| Accumulated depreciation | $421.8M4 Jun 30, 2026 | $371.8M4 Jun 30, 2025 | +13.4% |
| Property and equipment, net | $314.7M4 Jun 30, 2026 | $314.1M4 Jun 30, 2025 | +0.2% |
| Finance-lease assets | $2.9M4 Jun 30, 2026 | $3.4M4 Jun 30, 2025 | −14.9% |
| Operating-lease assets (leased space) | $22.3M4 Jun 30, 2026 | $21.3M4 Jun 30, 2025 | +4.6% |
Investments
| Item | Latest | A year before | Change |
|---|---|---|---|
| Cash and cash equivalents | $180.8M4 Jun 30, 2026 | $153.1M4 Jun 30, 2025 | +18.1% |
| Stakes in other companies (equity method) | $142.7M4 Jun 30, 2026 | $279.1M4 Jun 30, 2025 | −48.9% |
Intangibles and goodwill
| Item | Latest | A year before | Change |
|---|---|---|---|
| Goodwill | $269.0K4 Jun 30, 2026 | $269.0K4 Jun 30, 2025 | 0% |
| Intangible assets, net (excluding goodwill) | $1.1M4 Jun 30, 2026 | $04 Jun 30, 2025 | |
| Finite-lived intangibles, gross | $20.9M4 Jun 30, 2026 | $19.5M4 Jun 30, 2025 | +7.6% |
| Accumulated amortization | $19.9M4 Jun 30, 2026 | $19.5M4 Jun 30, 2025 | +2.1% |
Inventory
| Item | Latest | A year before | Change |
|---|---|---|---|
| Inventory, total | $201.4M4 Jun 30, 2026 | $189.7M4 Jun 30, 2025 | +6.2% |
| Raw materials | $75.8M4 Jun 30, 2026 | $81.3M4 Jun 30, 2025 | −6.9% |
| Work in process | $95.5M4 Jun 30, 2026 | $91.6M4 Jun 30, 2025 | +4.3% |
| Finished goods | $30.1M4 Jun 30, 2026 | $16.7M4 Jun 30, 2025 | +79.7% |
Properties, in its own words
As of July 31, 2026, our primary U.S. facility, which houses our research and design function, as well as elements of marketing and administration, is located in Sunnyvale, California. We conduct our manufacturing, research and development, sales and marketing and administration in Asia and North America. We lease all properties used in our business except the wafer fabrication facility in Oregon was acquired in January 2012. The following table sets forth the location, size and primary use of our principal properties that are material to our business operations:
Location · Square Footage · Primary Use
The rest of Item 2
475 Oakmead ParkwaySunnyvale, California, USA 94085 · 57,000 · Research and development, marketing, sales and administration
3131 Northeast Brookwood ParkwayHillsboro, Oregon, USA 97124 · 252,950 · Wafer fabrication facility
Building 1/2 and 8/9, No. 91, Lane 109, RongkangRoad, Songjiang District, Shanghai,China 201614 · 221,301 · Packaging and testing, manufacturing support
Building 1,2,3 No.135 Rongkang Road, Songjiang District, Shanghai,China 201614 · 250,978 · Packaging and testing, manufacturing support
We believe that our current facilities are adequate and that additional space will be available on commercially reasonable terms for the foreseeable future.
Item 2 of the 10-K filed Aug 27, 2026.17
Leadership
Who has led Alpha & Omega Semiconductor, and when. Pick a name to see everywhere that person has worked.
Chief executive
Chief financial officer
Chief operating officer
20052010201520202025
- Chief executive officerMike F. Chang Jul 1, 2011 to Jan 10, 202318
- ChairMike F. Chang Mar 17, 2023 to now19
- Chief financial officerYifan Liang Dec 30, 2013 to now20
- Chief financial officerMary Dotz Mar 8, 2012 to Sep 30, 201321
- Chief financial officerEphraim Kwok Jul 1, 2011 to Jul 1, 201122
- Chief operating officerYueh-Se Ho Jul 1, 2011 to Nov 24, 202023
Board members and other officers (20)
- Senior VP of Global SalesBing Xue Sep 26, 2019 to now24
- VP of World Wide SalesTony Grizelj Apr 30, 2012 to Jun 30, 201525
- EVP Marketing & Product LinesHamza Yilmaz Jul 1, 2011 to Mar 30, 201526
- Chief Accounting OfficerYifan Liang Jul 1, 2011 to Sep 30, 201327
- Board memberJoshua C. Chien Jul 17, 2026 to now28
- Board memberHanqing Li Nov 15, 2021 to now29
- Board memberSo-Yeon Jeong Nov 15, 2021 to now30
- Board memberClaudia Chen Nov 12, 2019 to now31
- Board memberLucas S. Chang Nov 14, 2016 to now32
- Board memberMichael L. Pfeiffer Jan 31, 2014 to now33
- Board memberKing Owyang Apr 12, 2013 to now34
- Board memberMichael J. Salameh Nov 13, 2013 to now35
- Board memberRobert I. Chen Nov 13, 2013 to Nov 13, 201836
- Board memberChuang Te Chang Jul 1, 2011 to Nov 16, 201237
- Board memberHoward Bailey Jul 1, 2011 to Nov 13, 201338
- Board memberMark Stevens Jul 1, 2011 to Sep 18, 201239
- Board memberMike F. Chang Jul 1, 2011 to now18
- Board memberRichard W. Sevcik Jul 1, 2011 to Nov 16, 201240
- Board memberThomas W. Steipp Jul 1, 2011 to Nov 13, 201341
- Board memberYueh-Se Ho Jul 1, 2011 to Nov 15, 202123
Subsidiaries and ownership
Subsidiaries (Exhibit 21)
- Agape Limited Hong Kong6
- Alpha & Omega Semiconductor (Germany) GmbH Germany6
- Alpha & Omega Semiconductor (Hong Kong) Limited Hong Kong6
- Alpha & Omega Semiconductor (Macau), Ltd. Macau6
- Alpha & Omega Semiconductor (Shenzhen) Limited China6
- Alpha & Omega Semiconductor (Taiwan) Limited Taiwan6
- Alpha and Omega Electronic Technology (Shanghai) Co., Ltd. China6
- Alpha and Omega Semiconductor (Delaware) LLC Delaware, United States6
- Alpha and Omega Semiconductor (India) Limited India6
- Alpha and Omega Semiconductor (Serbia) Limited Serbia6
- Alpha and Omega Semiconductor (Shanghai) Co., Ltd. China6
- Alpha and Omega Semiconductor (UK) Limited United Kingdom6
- Alpha and Omega Semiconductor Incorporated California, United States6
- Alpha and Omega Semiconductor International LP Canada6
- Chongqing Alpha and Omega Semiconductor Limited Chongqing, China6
- Jireh Semiconductor Incorporated Oregon, United States6
The subsidiaries the company lists in Exhibit 21 of its annual report, as filed.
Timeline
- Aug 12, 20268-K Results of operations42
- Jul 10, 20268-K Executive or director change43
- May 12, 20268-K Completed an acquisition or sale44
- May 6, 20268-K Results of operations45
- Apr 17, 20268-K Executive or director change46
- Mar 9, 20268-K Executive or director change47
- Feb 5, 20268-K Results of operations48
- Nov 17, 20258-K Shareholder vote49
- Nov 5, 20258-K Results of operations50
- Aug 6, 20258-K Results of operations51
- Jul 14, 20258-K Entered a material agreement; Regulation FD disclosure52
- Jun 4, 20258-K Change of auditor53
- Jul 1, 2011New chief executive Mike F. Chang becomes CEO18
- 2000Founded Founded1
Calendar
Coming up
- Nov 5, 2026 · After the closeReports results for the quarter ending Sep/2026 A year earlier it reported ($0.10) a share, on Nov 5, 2025.54
When it reported results
- Aug 12, 2026Reported quarterly or annual results42
- May 6, 2026Reported quarterly or annual results45
- Feb 5, 2026Reported quarterly or annual results48
- Nov 5, 2025Reported quarterly or annual results50
- Aug 6, 2025Reported quarterly or annual results51
- May 7, 2025Reported quarterly or annual results55
- Feb 5, 2025Reported quarterly or annual results56
- Nov 4, 2024Reported quarterly or annual results57
Upcoming dates from Nasdaq's calendar; past results from the company's 8-K filings (Item 2.02). The full markets calendar
Filings
332 filings to the SEC since October 2021: 5 annual reports, 15 quarterly reports, 40 major events, 171 insider forms, 25 large holders, 76 other. The latest 20:
- Sep 30, 2026ARS EDGAR
- Sep 30, 2026DEFA14A DEFA14A FY2026 EDGAR
- Sep 30, 2026DEF 14A EDGAR
- Sep 11, 20264 EDGAR
- Sep 11, 20264 EDGAR
- Aug 27, 2026S-8 EDGAR
- Aug 27, 202610-K EDGAR
- Aug 14, 20264 EDGAR
- Aug 12, 20268-K EDGAR
- Aug 10, 2026SCHEDULE 13G/A EDGAR
- Aug 7, 2026SCHEDULE 13G EDGAR
- Jul 21, 20264 EDGAR
- Jul 17, 20264 EDGAR
- Jul 17, 20263 EDGAR
- Jul 16, 2026144 EDGAR
- Jul 15, 20264 EDGAR
- Jul 14, 2026SCHEDULE 13G/A EDGAR
- Jul 10, 20268-K EDGAR
- Jun 17, 20264 EDGAR
- Jun 16, 2026144 EDGAR
The 332 filings since October 2021 can be filtered by form type and year here when JavaScript is on.
Every filing from the last five years, summarized. The full record is on SEC EDGAR.
Insider trades
70 open-market trades by officers, directors and large owners since October 2021: 1 buys and 69 sales. Grants, option exercises and gifts are left out.
| Date | Who | Trade | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|
| Jul 16, 2026 | Xue BingEVP-WW Sales & Bus Development | Sale | 875 | $33.99 | $29.7K | Form 4 |
| Jun 16, 2026 | Xue BingEVP-WW Sales & Bus Development | Sale | 4,916 | $47.09 | $231.5K | Form 4 |
| May 22, 2026 | Chen ClaudiaDirector | Sale | 4,061 | $39.53 | $160.5K | Form 4 |
| May 18, 2026 | Xue BingEVP-WW Sales & Bus Development | Sale | 4,916 | $41.00 | $201.6K | Form 4 |
| Apr 17, 2026 | Liang YifanCFO and Corp Secretary | Sale | 8,625 | $35.00 | $301.9K | Form 4 |
| Apr 17, 2026 | Chang Stephen ChunpingChief Executive Officer | Sale | 14,884 | $34.47 | $513.0K | Form 4 |
| Apr 16, 2026 | Xue BingEVP-WW Sales & Bus Development | Sale | 1,832 | $31.21 | $57.2K | Form 4 |
| Apr 14, 2026 | Liang YifanCFO and Corp Secretary | Sale | 26,517 | $30.57 | $810.5K | Form 4 |
| Apr 14, 2026 | Chang Stephen ChunpingChief Executive Officer | Sale | 5,594 | $31.90 | $178.4K | Form 4 |
| Mar 16, 2026 | Xue BingEVP-WW Sales & Bus Development | Sale | 2,408 | $21.92 | $52.8K | Form 4 |
| Mar 9, 2026 | Chang Mike FDirector | Buy | 33,727 | $19.00 | $640.8K | Form 4 |
| Feb 17, 2026 | Xue BingEVP-WW Sales & Bus Development | Sale | 2,460 | $22.33 | $54.9K | Form 4 |
| Jan 15, 2026 | Xue BingEVP-WW Sales & Bus Development | Sale | 737 | $22.43 | $16.5K | Form 4 |
| Dec 15, 2025 | Xue BingEVP-WW Sales & Bus Development | Sale | 1,845 | $20.56 | $37.9K | Form 4 |
| Nov 14, 2025 | Xue BingEVP-WW Sales & Bus Development | Sale | 1,845 | $18.16 | $33.5K | Form 4 |
| May 12, 2025 | Xue BingEVP-WW Sales & Bus Development | Sale | 1,845 | $23.73 | $43.8K | Form 4 |
| Jan 13, 2025 | Xue BingEVP-WW Sales & Bus Development | Sale | 1,242 | $35.00 | $43.5K | Form 4 |
| Dec 12, 2024 | Xue BingEVP-WW Sales & Bus Development | Sale | 1,883 | $47.38 | $89.2K | Form 4 |
| Dec 5, 2024 | Chen ClaudiaDirector | Sale | 5,623 | $51.27 | $288.3K | Form 4 |
| Dec 4, 2024 | Liang YifanCFO and Corp Secretary | Sale | 31,004 | $49.21 | $1.5M | Form 4 |
All 70 trades can be filtered by person here when JavaScript is on.
From Forms 4 filed with the SEC.
Major holders
Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.
- Mike F. ChangSCHEDULE 13G/A, 5 filings Feb 11, 2022 to Aug 10, 202658
- State Street CorporationSCHEDULE 13G, 1 filing Aug 7, 202659
- DIMENSIONAL FUND ADVISORS LPSCHEDULE 13G/A, 6 filings Feb 8, 2022 to Jul 14, 202660
- VANGUARD GROUP INCSCHEDULE 13G/A, 4 filings Feb 9, 2022 to Mar 26, 202661
- Hood River Capital Management LLCSCHEDULE 13G/A, 2 filings May 15, 2025 to Aug 14, 202562
- BlackRockSCHEDULE 13G/A, 6 filings Feb 3, 2022 to Apr 30, 202563
- Neil GagnonSC 13G/A, 1 filing Jan 31, 202264
Executive pay
What the company paid its top executives, from the summary compensation table in its proxy statement. Total pay includes salary, bonus, stock and option awards and other pay, as the company valued them.
| Year | Executive | Age | Salary | Total pay |
|---|---|---|---|---|
| 2026 | Stephen C. Chang | 49 | $504.6K | $3.4M65 |
| 2026 | Yifan Liang | 62 | $381.1K | $1.3M65 |
| 2026 | Bing Xue | $360.5K | $1.0M65 | |
| 2026 | Wenjun Li | $355.9K | $787.9K65 | |
| 2025 | Chief Executive Officer | $490.0K | $4.2M65 | |
| 2025 | Chief Financial Officer and Corporate Secretary | $370.0K | $1.6M65 | |
| 2025 | Executive VicePresident of Worldwide Sales and Business Development | $350.0K | $1.2M65 | |
| 2025 | Chief Operating Officer | $342.0K | $898.2K65 | |
| 2024 | Chief Executive Officer | $490.0K | $3.0M65 | |
| 2024 | Chief Financial Officer and Corporate Secretary | $370.0K | $1.1M65 | |
| 2024 | Executive VicePresident of Worldwide Sales and Business Development | $350.0K | $1.0M65 | |
| 2024 | Chief Operating Officer | $342.0K | $775.4K65 |
SEC filer profile
How Alpha & Omega Semiconductor is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.
- Name on EDGARALPHA & OMEGA SEMICONDUCTOR Ltd2
- CIK0001387467
- Employer ID (EIN)77-055353617
- Filer statusAccelerated filer not an emerging growth company; not a smaller reporting company; not a shell company17
- Incorporated inBermuda17
- Fiscal year endsJune 302
- Industry code (SIC)3674 Semiconductors & Related Devices2
- SEC reviewing officeOffice of Manufacturing, Division of Corporation Finance2
- Business address475 Oakmead Parkway, Sunnyvale, CA 940852
- Phone408-830-97422
- Shares outstanding30,259,255 shares as of Jul 31, 202617
- Public float$487.0M as of Dec 31, 202517
- AuditorDeloitte & Touche LLP, San Jose, California PCAOB ID 34; no auditor attestation of internal control over financial reporting17
- On EDGAR sinceJan 16, 20072
- Filings989 in all: 4 (497), 8-K (129), SC 13G/A (59), 10-Q (45), 144 (41), 3 (27), CT ORDER (23), 10-K (16)2
All 40 form types
DEF 14A (16), 6-K (13), SD (13), S-8 (12), SC 13G (12), UPLOAD (11), DEFA14A (10), ARS (8), CORRESP (8), SCHEDULE 13G/A (8), S-8 POS (6), F-1/A (4), 4/A (3), PRE 14A (3), 10-K/A (2), 5 (2), 8-K/A (2), EFFECT (2), REGDEX (2), SC TO-I/A (2), SCHEDULE 13G (2), 20-F (1), 424B4 (1), 8-A12B (1), CERTNAS (1), F-1 (1), FWP (1), NT 10-K (1), S-3 (1), S-3/A (1), SC TO-C (1), SC TO-I (1)
- Latest filingsAnnual report (10-K) Aug 27, 2026
Quarterly report (10-Q) May 6, 2026
Proxy statement (DEF 14A) Sep 30, 2026
Latest 8-K (8-K) Aug 12, 2026
Securities registered for trading
| Class | Symbol | Exchange |
|---|---|---|
| Common Shares, $0.002 par value per share | AOSL | The NASDAQ Global Select Market |
From the cover page of the 10-K filed Aug 27, 2026 (Section 12(b) of the Exchange Act).17
Risk factors and legal proceedings
The risks Alpha & Omega Semiconductor names in Item 1A of its 10-K filed Aug 27, 2026: 52 risks under these headings, as written.17
- Risks Related to Doing Business in China
- Risks Related to Our Corporate Structure and Our Common Shares
- Risks Related to Our Business
- Our operating results and financial conditions are affected by downturns in the semiconductor industry, changes in end-market demand and other macro-economic trends.
- The decline of personal computing (“PC”) markets may have a material adverse effect on our results of operations.
- Our strategy of diversification into different market segments may not succeed according to our expectations and may expose us to new risks and place significant strains on our management, operational, financial and other resources.
- Our operating results may fluctuate from period to period due to many factors, which may make it difficult to predict our future performance.
- Geopolitical and economic conflicts between United States and China may adversely affect our business.
- Our revenue may fluctuate significantly from period to period due to ordering patterns from our distributors and seasonality.
- If we are unable to introduce or develop new and enhanced products that meet or are compatible with our customer’s product requirements in a timely manner, it may harm our business, financial position and operating results.
- We may not win sufficient designs, or our design wins may not generate sufficient revenue for us to maintain or expand our business.
- Our success depends upon the ability of our OEM end customers to successfully sell products incorporating our products.
The other 43 risks
- The operation of our Oregon Fab subjects us to additional risks and the need for additional capital expenditures which may negatively impact our results of operations.
- Defects and poor performance in our products could result in loss of customers, decreased revenue, unexpected expenses and loss of market share, and we may face warranty and product liability claims arising from defective products.
- The average selling prices of products in our markets have historically decreased rapidly and will likely do so in the future, which could harm our revenue and gross margins.
- If we do not forecast demand for our products accurately, we may experience product shortages, delays in product shipment, excess product inventory, or difficulties in planning expenses, which will adversely affect our business and financial condition.
- We face intense competition and may not be able to compete effectively which could reduce our revenue and market share.
- Our reliance on third-party semiconductor foundries to manufacture our products subject us to risks.
- Our lack of control over the JV Company may adversely affect our operations.
- Our reliance on distributors to sell a substantial portion of our products subjects us to a number of risks.
- We have made and may continue to make strategic acquisitions of other companies, assets or businesses or form joint ventures with partners to advance our business objectives. These acquisitions and joint ventures involve significant risks and uncertainties.
- If we are unable to obtain raw materials in a timely manner or if the price of raw materials increases significantly, production time and product costs could increase, which may adversely affect our business.
- We may not be able to accurately estimate provisions at fiscal period end for price adjustment and stock rotation rights under our agreements with distributors, and our failure to do so may impact our operating results.
- Our operations of a packaging and testing facility are subject to risks that could adversely affect our business and financial results.
- Our business operations and financial conditions may be adversely affected by any disruption in our information technology systems, including any cyberattacks and breaches.
- We depend on the continuing services of our senior management team and other key personnel, and if we lose a member of our senior management or are unable to successfully retain, recruit and train key personnel, our ability to develop and market our products could be harmed.
- Failure to protect our patents and our other proprietary information could harm our business and competitive position.
- Intellectual property disputes could result in lengthy and costly arbitration, litigation or licensing expenses or prevent us from selling our products.
- Evolving export control regulations may adversely affect our business operations.
- Global or regional economic, political and social conditions could adversely affect our business and operating results.
- Our business operations could be significantly harmed by natural disasters or global epidemics.
- Our insurance may not cover all losses, including losses resulting from business disruption or product liability claims.
- Our international operations subject our company to risks not faced by companies without international operations.
- If we fail to maintain an effective internal control environment as well as adequate control procedures over our financial reporting, investor confidence may be adversely affected thereby affecting the value of our stock price.
- We are subject to the risk of increased income taxes and changes in existing tax rules.
- Our debt agreements include financial covenants that may limit our ability to pursue business and financial opportunities and subject us to risk of default.
- The imposition of U.S. corporate income tax on our Bermuda parent and non-U.S. subsidiaries could adversely affect our results of operations.
- We may be classified as a passive foreign investment company (“PFIC”), which could result in adverse U.S. federal income tax consequences for U.S. holders.
- Changes in our United States federal income tax classification, or that of our subsidiaries, could result in adverse tax consequences to our 10% or greater U.S. shareholders.
- Changes in tariffs and international trade policies affecting imports and exports may have a material adverse effect on our business operations and financial performance.
- China’s economic, political and social conditions, as well as government policies, could affect our business and growth.
- Changes in China’s laws, legal protections or government policies on foreign investment in China may harm our business.
- The continuing trade tensions between the U.S. and China may result in increased tariffs on imported goods from China that could adversely affect our business operations.
- Our China subsidiaries’ current corporate structure and business operations may be affected by the Foreign Investment Law of the PRC.
- Limitations on our ability to transfer funds to our China subsidiaries could adversely affect our ability to expand our operations, make investments that could benefit our businesses and otherwise fund and conduct our business.
- China’s currency exchange control and government restrictions on investment repatriation may impact our ability to transfer funds outside of China.
- The M&A Rules and certain other PRC regulations establish complex procedures for some acquisitions of Chinese companies by foreign investors, which could make it more difficult for us to pursue growth through acquisitions in China.
- Our results of operations may be negatively impacted by fluctuations in foreign currency exchange rates between U.S. dollar and RMB.
- PRC labor laws may adversely affect our results of operations.
- Our business operations in China are subject to complex and evolving PRC data security, data privacy, and cybersecurity laws, and any non-compliance could subject us to severe penalties, operational disruptions, or structural changes.
- Relations between Taiwan and China could negatively affect our business, financial condition and operating results and, therefore, the market value of our common shares.
- Our share price may be volatile and you may be unable to sell your shares at or above the purchase price, if at all.
- If securities or industry analysts adversely change their recommendations regarding our common shares or if our operating results do not meet their expectations, the trading price of our common shares could decline.
- Anti-takeover provisions in our bye-laws could make an acquisition of us more difficult and may prevent attempts by our shareholders to replace or remove our current management.
- We are a Bermuda company and the rights of shareholders under Bermuda law may be different from U.S. laws.
Legal proceedings
We have in the past, and may from time to time in the future, become involved in legal proceedings arising from the normal course of business activities. The semiconductor industry is characterized by frequent claims and litigation, including claims regarding patent and other intellectual property rights as well as improper hiring practices. Irrespective of the validity of such claims, we could incur significant costs in the defense thereof or could suffer adverse effects on our operations.
The opening of Item 3, Legal Proceedings.17
Links
- Websiteaosmd.com1
- More imagesWikimedia Commons
- WikidataQ30273331
- SEC EDGARCIK 1387467
Sources
The numbers on this page point here. Each one links to the record it came from.
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- 7Company websiteAlpha & Omega Semiconductor photo
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- 19SEC EDGARMike F. Chang, Chair
- 20SEC EDGARYifan Liang, Chief financial officer
- 21SEC EDGARMary Dotz, Chief financial officer
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- 23SEC EDGARYueh-Se Ho, Chief operating officer
- 24SEC EDGARBing Xue, Senior VP of Global Sales
- 25SEC EDGARTony Grizelj, VP of World Wide Sales
- 26
- 27
- 28SEC EDGARJoshua C. Chien, Board member
- 29SEC EDGARHanqing Li, Board member
- 30SEC EDGARSo-Yeon Jeong, Board member
- 31SEC EDGARClaudia Chen, Board member
- 32SEC EDGARLucas S. Chang, Board member
- 33SEC EDGARMichael L. Pfeiffer, Board member
- 34SEC EDGARKing Owyang, Board member
- 35SEC EDGARMichael J. Salameh, Board member
- 36SEC EDGARRobert I. Chen, Board member
- 37SEC EDGARChuang Te Chang, Board member
- 38SEC EDGARHoward Bailey, Board member
- 39SEC EDGARMark Stevens, Board member
- 40SEC EDGARRichard W. Sevcik, Board member
- 41SEC EDGARThomas W. Steipp, Board member
- 42SEC EDGARResults of operations
- 43SEC EDGARExecutive or director change
- 44SEC EDGARCompleted an acquisition or sale
- 45SEC EDGARResults of operations
- 46SEC EDGARExecutive or director change
- 47SEC EDGARExecutive or director change
- 48SEC EDGARResults of operations
- 49SEC EDGARShareholder vote
- 50SEC EDGARResults of operations
- 51SEC EDGARResults of operations
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- 53SEC EDGARChange of auditor
- 54NasdaqNasdaq calendar
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