Allegro Microsystems, Inc. SEC filings ALGM
Allegro Microsystems, Inc. has 529 filings in SEC EDGAR's recent list, going back to Aug 8, 2007. Its latest annual report, Form ARS, was filed on Jun 24, 2026 for the period ended Mar 27, 2026. The latest quarterly report (Form 10-Q) was filed on Oct 30, 2026, covering the quarter ended Sep 25, 2026. The most recent current report (Form 8-K) was filed on Oct 29, 2026 (results of operations). The company's fiscal year ends on March 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 10-Q | Quarterly report | Oct 30, 2026 | Sep 25, 2026 |
| 10-Q | Quarterly report | Jul 31, 2026 | Jun 26, 2026 |
| 10-Q | Quarterly report | Jan 30, 2026 | Dec 26, 2025 |
| 10-Q | Quarterly report | Oct 31, 2025 | Sep 26, 2025 |
| 10-Q | Quarterly report | Aug 1, 2025 | Jun 27, 2025 |
| 10-Q | Quarterly report | Jan 31, 2025 | Dec 27, 2024 |
| 10-Q | Quarterly report | Nov 1, 2024 | Sep 27, 2024 |
| 10-Q | Quarterly report | Aug 2, 2024 | Jun 28, 2024 |
| 10-Q | Quarterly report | Feb 6, 2024 | Dec 29, 2023 |
| 10-Q | Quarterly report | Nov 6, 2023 | Sep 29, 2023 |
| 10-Q | Quarterly report | Aug 4, 2023 | Jun 30, 2023 |
| 10-Q | Quarterly report | Feb 1, 2023 | Dec 23, 2022 |
| 10-Q | Quarterly report | Oct 31, 2022 | Sep 23, 2022 |
| 10-Q | Quarterly report | Aug 1, 2022 | Jun 24, 2022 |
| 10-Q | Quarterly report | Feb 2, 2022 | Dec 24, 2021 |
| 10-Q | Quarterly report | Oct 29, 2021 | Sep 24, 2021 |
| 10-Q | Quarterly report | Jul 30, 2021 | Jun 25, 2021 |
| 10-Q | Quarterly report | Feb 2, 2021 | Dec 25, 2020 |
| 10-Q | Quarterly report | Nov 20, 2020 | Sep 25, 2020 |
Showing 19 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Semiconductors & Related Devices (SIC 3674)
- Listed as
- ALGM (Nasdaq)
- Fiscal year ends
- March 31
- Headquarters
- Manchester, NH
- SEC filer status
- Large accelerated filer
- SEC CIK
- 866291
- Former names
- ALLEGRO MICROSYSTEMS, INC. (until Oct 30, 2026); ALLEGRO MICROSYSTEMS INC (until Oct 21, 2020)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.