AOSL ALPHA & OMEGA SEMICONDUCTOR Ltd
company
SEC Filings & Insider Trading Activity 2026

CIK: 1387467
Information Technology
Semiconductors & Related Devices 79 filings
Russell 2000

Latest ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on August 28, 2025, a 10-Q quarterly report filed on May 6, 2026, an 8-K current report filed on July 10, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) (SEC CIK 1387467), with AI-powered section-by-section summaries updated daily.

10-Q: 45
10-K: 15
SC 13G: 12
8-K: 6
20-F: 1

Latest 2026 SEC Filing Dates

10-K Annual Report
Aug 28, 2025
10-Q Quarterly Report
May 6, 2026
8-K Current Report
Jul 10, 2026

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Recent 8-K Filings
Current Reports

AI-powered analysis of ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) 8-K current reports disclosing material events.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Jul 10, 2026---
8-K
May 12, 2026--
8-K
May 6, 2026--
10-Q
May 6, 2026Mar 31, 2026-
8-K
Apr 17, 2026---
8-K
Mar 9, 2026-Analysis-
10-Q
Feb 5, 2026Dec 31, 2025-
8-K
Feb 5, 2026--
10-Q
Nov 6, 2025Sep 30, 2025-
10-K
Aug 28, 2025Jun 30, 2025-
10-Q
May 8, 2025Mar 31, 2025-
10-Q
Feb 6, 2025Dec 31, 2024-
10-Q
Nov 5, 2024Sep 30, 2024-
10-K
Aug 23, 2024Jun 30, 2024-
10-Q
May 8, 2024Mar 31, 2024-
10-Q
Feb 7, 2024Dec 31, 2023-
10-Q
Nov 7, 2023Sep 30, 2023-
10-K
Aug 29, 2023Jun 30, 2023-
10-Q
May 8, 2023Mar 31, 2023-
10-Q
Feb 8, 2023Dec 31, 2022-
10-Q
Nov 7, 2022Sep 30, 2022-
10-K
Sep 20, 2022Jun 30, 2022-
SC 13G
Jun 9, 2022--
10-Q
May 10, 2022Mar 31, 2022-
10-Q
Feb 9, 2022Dec 31, 2021-

13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

Aggregate AOSL share value held by 13F filers tracked by SignalX, by quarter.

Position changes: Q4 2025Q1 2026
Top Buyers
Top Sellers
New Positions
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 175 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe.

Frequently Asked Questions

What are the latest AOSL SEC filings in 2026?

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) has filed a 10-K annual report on August 28, 2025, a 10-Q quarterly report on May 6, 2026, an 8-K current report on July 10, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did AOSL file its most recent 10-K annual report?

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) filed its most recent 10-K annual report on August 28, 2025. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view AOSL 10-Q quarterly reports?

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)'s most recent 10-Q quarterly report was filed on May 6, 2026. SignalX displays every AOSL 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has AOSL filed recently?

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)'s most recent 8-K was filed on July 10, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find AOSL insider trading activity (Form 4)?

SignalX aggregates every AOSL Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does AOSL file with the SEC?

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new AOSL filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL).

What is AOSL's SEC CIK number?

ALPHA & OMEGA SEMICONDUCTOR Ltd (AOSL)'s SEC CIK (Central Index Key) number is 1387467. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1387467 to look up all AOSL filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

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Insider trading data, fund holdings, cross-signal detection, and AI-powered analysis for 79+ filings.