Allegro MicroSystems SEC Filings
NASDAQ: ALGMTechnologySemiconductorsUSD
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Allegro MicroSystems filing overview
This page lists 60 recent SEC filings by Allegro MicroSystems (ALGM), including 40 4, 7 SCHEDULE 13G/A, 7 8-K, 2 SCHEDULE 13G. The latest annual report (10-K) was filed on May 21, 2026 for the period ending Mar 27, 2026. The most recent quarterly report (10-Q) was filed on Jul 31, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Aug 7, 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.
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ALGM SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 7, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Oct 1, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 13, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Aug 12, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Aug 7, 2026 | 8-K | Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Aug 6, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jul 31, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jul 30, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Jul 27, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jul 16, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jun 24, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Jun 18, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Jun 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Jun 4, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 26, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 22, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 21, 2026 | 10-K | Annual report | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 19, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 15, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 13, 2026 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| May 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 13, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| May 7, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 6, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 26, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 25, 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 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Mar 3, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 18, 2026 | 4 | Statement of changes in beneficial ownership | View on EDGAR |
| Feb 12, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 5, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Jan 30, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Jan 29, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Jan 21, 2026 | 8-K | Entry into a Material Definitive Agreement; Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement | View on EDGAR |