AOSL · Nasdaq · CIK 0001387467

ALPHA & OMEGA SEMICONDUCTOR Ltd

ALPHA & OMEGA SEMICONDUCTOR Ltd’s most recent SEC filing in our snapshot is a Form ARS filed on Sep 30, 2026. In fiscal 2026 (year ended Jun 30, 2026) it reported revenue of $678.9M and net income of -$42.3M, according to its XBRL data on EDGAR. Its EDGAR record lists 42 Form 4 insider filings from the 12 months before our last refresh.

SEC EDGAR snapshot updated Oct 27, 2026, 11:27 PM EDT. See all filings on sec.gov.

Revenue, FY2026
$678.9M
Net income, FY2026
-$42.3M
Form 4 filings on record, past 12 months
42

Company overview

Legal name (as filed)
ALPHA & OMEGA SEMICONDUCTOR Ltd
Ticker
AOSL
SEC Central Index Key (CIK)
0001387467
Industry (SIC)
Semiconductors & Related Devices (code 3674)
Business address
SUNNYVALE, CA
State or country of incorporation
—
Fiscal year ends
June 30
SEC filer category
Accelerated filer
Position in SEC ticker list
#2705 of the 3,000 companies we track

Five-year financial highlights

Full-year figures from ALPHA & OMEGA SEMICONDUCTOR Ltd’s annual reports, as tagged in XBRL and published by the SEC. Amounts are in U.S. dollars; the fiscal year is named for the calendar year in which it ends.

Revenue
$777.6MFY2022$691.3MFY2023$657.3MFY2024$696.2MFY2025$678.9MFY2026
Net income
$453.2MFY2022$12.4MFY2023-$11.1MFY2024-$97.0MFY2025-$42.3MFY2026
AOSL annual results
ItemFY2022
ended Jun 30, 2022		FY2023
ended Jun 30, 2023		FY2024
ended Jun 30, 2024		FY2025
ended Jun 30, 2025		FY2026
ended Jun 30, 2026
Revenue$777.6M$691.3M$657.3M$696.2M$678.9M
Net income$453.2M$12.4M-$11.1M-$97.0M-$42.3M
Diluted EPS$16.07$0.42-$0.39-$3.30-$1.41
Total assets$1.3B$1.2B$1.1B$1.0B$963.6M
Cash and equivalents$314.4M$195.2M$175.1M$153.1M$180.8M

XBRL tags used: revenue = RevenueFromContractWithCustomerExcludingAssessedTax; netIncome = NetIncomeLoss; assets = Assets; eps = EarningsPerShareDiluted; cash = CashAndCashEquivalentsAtCarryingValue. EPS is shown as originally reported for each year and may not be adjusted for later stock splits. A dash means the company did not report that item in a form we could match.

How to read these numbers

Revenue is the money a company brings in from selling its products and services; net income is what is left after all expenses, interest and taxes. Diluted EPS spreads net income across every share that could exist if options and convertible securities were exercised. Total assets and cash are balance-sheet figures measured on the last day of the fiscal year. For the full story — segment results, one-time charges, guidance — read Management’s Discussion and Analysis in the Form 10-K.

Latest key reports

The most recent filing of each major report type, even if it falls outside the 40 newest filings below.

AOSL latest annual, quarterly, current and proxy reports
FiledFormWhat it isOriginal
Aug 27, 202610-KAnnual report· period Jun 30, 2026Document · Index
May 6, 202610-QQuarterly report· period Mar 31, 2026Document · Index
Aug 12, 20268-KResults of operations· period Aug 12, 2026Document · Index
Sep 30, 2026DEF 14ADefinitive proxy statement· period Jun 30, 2026Document · Index
Sep 2, 201020-FAnnual report of a foreign private issuer· period Jun 30, 2010Document · Index
May 12, 20116-KReport of a foreign private issuer· period May 11, 2011Document · Index

Recent SEC filings

The 40 newest documents filed by or about ALPHA & OMEGA SEMICONDUCTOR Ltd, by form type:

4 ×18144 ×78-K ×5SCHEDULE 13G/A ×23 ×1ARS ×1DEFA14A ×1DEF 14A ×1S-8 ×110-K ×1SCHEDULE 13G ×110-Q ×1
AOSL recent filings
FiledFormWhat it isOriginal
Sep 30, 2026ARSARS· period Jun 30, 2026Document · Index
Sep 30, 2026DEFA14ADEFA14A FY2026Document · Index
Sep 30, 2026DEF 14ADefinitive proxy statement· period Jun 30, 2026Document · Index
Sep 11, 20264Statement of changes in beneficial ownership (insider trade)· period Aug 24, 2026Document · Index
Sep 11, 20264Statement of changes in beneficial ownership (insider trade)· period Aug 24, 2026Document · Index
Aug 27, 2026S-8Registration of employee benefit plan securitiesDocument · Index
Aug 27, 202610-KAnnual report· period Jun 30, 2026Document · Index
Aug 14, 20264Statement of changes in beneficial ownership (insider trade)· period Aug 13, 2026Document · Index
Aug 12, 20268-KResults of operations· period Aug 12, 2026Document · Index
Aug 10, 2026SCHEDULE 13G/APassive beneficial ownership report (over 5%)Document · Index
Aug 7, 2026SCHEDULE 13GPassive beneficial ownership report (over 5%)Document · Index
Jul 21, 20264Statement of changes in beneficial ownership (insider trade)· period Jul 20, 2026Document · Index
Jul 17, 20264Statement of changes in beneficial ownership (insider trade)· period Jul 16, 2026Document · Index
Jul 17, 20263Initial statement of beneficial ownership· period Jul 8, 2026Document · Index
Jul 16, 2026144Notice of proposed sale of securitiesDocument · Index
Jul 15, 20264Statement of changes in beneficial ownership (insider trade)· period Jul 13, 2026Document · Index
Jul 14, 2026SCHEDULE 13G/APassive beneficial ownership report (over 5%)Document · Index
Jul 10, 20268-KDirector or officer change· period Jul 8, 2026Document · Index
Jun 17, 20264Statement of changes in beneficial ownership (insider trade)· period Jun 16, 2026Document · Index
Jun 16, 2026144Notice of proposed sale of securitiesDocument · Index
Jun 3, 20264Statement of changes in beneficial ownership (insider trade)· period Jun 1, 2026Document · Index
May 28, 20264Statement of changes in beneficial ownership (insider trade)· period May 26, 2026Document · Index
May 27, 20264Statement of changes in beneficial ownership (insider trade)· period May 22, 2026Document · Index
May 26, 20264Statement of changes in beneficial ownership (insider trade)· period May 22, 2026Document · Index
May 26, 20264Statement of changes in beneficial ownership (insider trade)· period May 21, 2026Document · Index
May 22, 2026144Notice of proposed sale of securitiesDocument · Index
May 20, 20264Statement of changes in beneficial ownership (insider trade)· period May 18, 2026Document · Index
May 18, 2026144Notice of proposed sale of securitiesDocument · Index
May 12, 20268-KAcquisition or disposition completed· period May 11, 2026Document · Index
May 6, 202610-QQuarterly report· period Mar 31, 2026Document · Index
May 6, 20268-KResults of operations· period May 6, 2026Document · Index
Apr 30, 20264Statement of changes in beneficial ownership (insider trade)· period Apr 27, 2026Document · Index
Apr 20, 20264Statement of changes in beneficial ownership (insider trade)· period Apr 17, 2026Document · Index
Apr 20, 20264Statement of changes in beneficial ownership (insider trade)· period Apr 17, 2026Document · Index
Apr 20, 20264Statement of changes in beneficial ownership (insider trade)· period Apr 16, 2026Document · Index
Apr 17, 2026144Notice of proposed sale of securitiesDocument · Index
Apr 17, 2026144Notice of proposed sale of securitiesDocument · Index
Apr 17, 20268-KDirector or officer change· period Apr 13, 2026Document · Index
Apr 16, 2026144Notice of proposed sale of securitiesDocument · Index
Apr 16, 20264Statement of changes in beneficial ownership (insider trade)· period Apr 14, 2026Document · Index

Insider filing activity

42 Form 4 filings appear in ALPHA & OMEGA SEMICONDUCTOR Ltd’s EDGAR record between Oct 28, 2025 and our last refresh. Most are reports by the company’s own directors, officers and 10% owners, but EDGAR also lists a Form 4 under a company when the company itself is the insider — for example, when it owns more than 10% of another public company. Foreign private issuers’ own insiders generally do not file Form 4. A high count is not by itself a signal: many Form 4s report routine stock awards, tax withholding or sales under pre-arranged Rule 10b5-1 plans. Open each filing to see the transaction code, share count and price. What a Form 4 shows.

Other companies in Semiconductors & Related Devices

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Source

  • U.S. Securities and Exchange Commission, EDGAR submissions for CIK 0001387467 and XBRL company facts. ALPHA & OMEGA SEMICONDUCTOR Ltd on EDGAR.
  • Snapshot updated Oct 27, 2026, 11:27 PM EDT. The SEC does not endorse OpenFilings. Company names and tickers are used only to identify the filer; no logos are shown.

Not investment advice. This page summarizes public SEC filings for information only. Figures may contain errors or omissions; confirm everything in the original filing before relying on it.