Ambarella SEC Filings
NASDAQ: AMBATechnologySemiconductorsUSD
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At close: Oct 9, 4:00 PM ET · Delayed 15 min
Ambarella filing overview
This page lists 60 recent SEC filings by Ambarella (AMBA), including 39 4, 8 8-K, 4 10-Q, 4 SCHEDULE 13G. The latest annual report (10-K) was filed on Mar 23, 2026 for the period ending Jan 31, 2026. The most recent quarterly report (10-Q) was filed on Sep 4, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Sep 3, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
AMBA SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Sep 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 21, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Sep 4, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Sep 3, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 14, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Aug 7, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jul 31, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jul 10, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 2, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jul 1, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Jun 30, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 16, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 2, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 28, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 28, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Apr 28, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 22, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 26, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 23, 2026 | 10-K | Annual report | View on EDGAR |
| Mar 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 27, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Feb 26, 2026 | 8-K | Results of Operations and Financial Condition; Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Jan 30, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 23, 2026 | 4/A | Statement of changes in beneficial ownership (amendment) | View on EDGAR |
| Jan 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 31, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 29, 2025 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Dec 4, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Nov 25, 2025 | 8-K | Results of Operations and Financial Condition; Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Sep 3, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Aug 28, 2025 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Jun 6, 2025 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |