# Allegro Microsystems, Inc.: filings

ALGM · Nasdaq · CIK 866291 · [Technology](/sectors/technology.md) · fiscal year ends Mar 31

Pages: [Overview](/companies/algm.md) · [Financials](/companies/algm/financials.md) · [Filings](/companies/algm/filings.md) · [Insiders](/companies/algm/insiders.md)

## Reports and events: 109 filings

Newest first, by EDGAR acceptance time (Eastern). Filter with ?form= one of: `periodic`, `8-K`, `10-K`, `10-Q`, `4`, `proxy`, `13dg`, `all`, or any form this company filed (4 282, 8-K 70, 3 36, 144 24, 10-Q 19, SCHEDULE 13G/A 10, SC 13G/A 8, 10-K 6, DEF 14A 6, DEFA14A 6, SC 13G 6, CORRESP 5, ARS 4, SD 4, 8-K/A 3, UPLOAD 3, 424B4 2, 424B5 2, DRS 2, EFFECT 2, S-1 2, S-1/A 2, S-3ASR 2, SCHEDULE 13G 2, SEC STAFF LETTER 2, 10-K/A 1, 424B7 1, 425 1, 5 1, 8-A12B 1, CERT 1, DRS/A 1, DRSLTR 1, FWP 1, S-1MEF 1, S-8 1).

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-30 | 08:59 ET | [10-Q](/filings/0001193125-26-439990.md) | Quarterly report, period 2026-09-25 | 0001193125-26-439990 |
| 2026-10-29 | 07:09 ET | [8-K](/filings/0001193125-26-436963.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-436963 |
| 2026-08-07 | 08:02 ET | [8-K](/filings/0001193125-26-339226.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0001193125-26-339226 |
| 2026-07-31 | 08:57 ET | [10-Q](/filings/0001193125-26-327128.md) | Quarterly report, period 2026-06-26 | 0001193125-26-327128 |
| 2026-07-30 | 07:07 ET | [8-K](/filings/0001193125-26-324869.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-324869 |
| 2026-06-24 | 07:27 ET | [DEF 14A](/filings/0001193125-26-280254.md) | Proxy statement, period 2026-08-05 | 0001193125-26-280254 |
| 2026-06-18 | 08:09 ET | [8-K](/filings/0001193125-26-275011.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-275011 |
| 2026-05-21 | 08:24 ET | [10-K](/filings/0001193125-26-233537.md) | Annual report, period 2026-03-27 | 0001193125-26-233537 |
| 2026-05-13 | 16:12 ET | [8-K](/filings/0001193125-26-221635.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-221635 |
| 2026-05-07 | 07:09 ET | [8-K](/filings/0001193125-26-210309.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-210309 |
| 2026-01-30 | 09:17 ET | [10-Q](/filings/0001193125-26-030636.md) | Quarterly report, period 2025-12-26 | 0001193125-26-030636 |
| 2026-01-29 | 07:06 ET | [8-K](/filings/0001193125-26-028160.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-26-028160 |
| 2026-01-21 | 16:42 ET | [8-K](/filings/0001193125-26-018091.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0001193125-26-018091 |
| 2026-01-16 | 08:04 ET | [8-K](/filings/0001193125-26-014666.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0001193125-26-014666 |
| 2025-10-31 | 08:39 ET | [10-Q](/filings/0001193125-25-259807.md) | Quarterly report, period 2025-09-26 | 0001193125-25-259807 |
| 2025-10-30 | 07:07 ET | [8-K](/filings/0001193125-25-257395.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001193125-25-257395 |
| 2025-08-08 | 16:07 ET | [8-K](/filings/0000950170-25-105827.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-25-105827 |
| 2025-08-01 | 08:23 ET | [10-Q](/filings/0000950170-25-101117.md) | Quarterly report, period 2025-06-27 | 0000950170-25-101117 |
| 2025-07-31 | 07:08 ET | [8-K](/filings/0000950170-25-100554.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-100554 |
| 2025-06-25 | 07:36 ET | [DEF 14A](/filings/0000950170-25-089734.md) | Proxy statement, period 2025-08-07 | 0000950170-25-089734 |
| 2025-05-22 | 08:23 ET | [10-K](/filings/0000950170-25-076059.md) | Annual report, period 2025-03-28 | 0000950170-25-076059 |
| 2025-05-08 | 07:03 ET | [8-K](/filings/0000950170-25-066360.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-066360 |
| 2025-03-12 | 09:13 ET | [8-K](/filings/0000950170-25-037637.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-25-037637 |
| 2025-02-24 | 07:12 ET | [8-K](/filings/0000950103-25-002318.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950103-25-002318 |
| 2025-02-06 | 16:14 ET | [8-K](/filings/0000950170-25-015395.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 9.01 Financial statements and exhibits | 0000950170-25-015395 |
| 2025-02-03 | 07:11 ET | [8-K](/filings/0000950170-25-012020.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-012020 |
| 2025-01-31 | 08:13 ET | [10-Q](/filings/0000950170-25-011434.md) | Quarterly report, period 2024-12-27 | 0000950170-25-011434 |
| 2025-01-30 | 07:09 ET | [8-K](/filings/0000950170-25-010785.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-25-010785 |
| 2025-01-10 | 08:20 ET | [8-K](/filings/0000950170-25-003826.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-003826 |
| 2025-01-06 | 07:08 ET | [8-K](/filings/0000950170-25-001662.md) | 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-25-001662 |
| 2024-12-23 | 16:13 ET | [8-K](/filings/0000950170-24-139583.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-139583 |
| 2024-11-01 | 07:39 ET | [10-Q](/filings/0000950170-24-119808.md) | Quarterly report, period 2024-09-27 | 0000950170-24-119808 |
| 2024-10-31 | 07:07 ET | [8-K](/filings/0000950170-24-119242.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-119242 |
| 2024-09-24 | 16:06 ET | [8-K](/filings/0000950170-24-109070.md) | 1.01 Entry into a material agreement; 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-109070 |
| 2024-08-12 | 16:10 ET | [8-K](/filings/0000950170-24-095424.md) | 5.07 Shareholder vote results; 9.01 Financial statements and exhibits | 0000950170-24-095424 |
| 2024-08-07 | 09:01 ET | [8-K](/filings/0000950103-24-011823.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 8.01 Other events; 9.01 Financial statements and exhibits | 0000950103-24-011823 |
| 2024-08-02 | 08:30 ET | [10-Q](/filings/0000950170-24-089610.md) | Quarterly report, period 2024-06-28 | 0000950170-24-089610 |
| 2024-08-01 | 07:09 ET | [8-K](/filings/0000950170-24-088944.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-088944 |
| 2024-07-26 | 16:06 ET | [8-K](/filings/0000950103-24-010880.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0000950103-24-010880 |
| 2024-07-23 | 16:08 ET | [8-K](/filings/0000950103-24-010519.md) | 1.01 Entry into a material agreement; 2.02 Results of operations; 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950103-24-010519 |
| 2024-06-26 | 07:09 ET | [DEF 14A](/filings/0000950170-24-077611.md) | Proxy statement, period 2024-08-08 | 0000950170-24-077611 |
| 2024-05-23 | 09:19 ET | [10-K](/filings/0000950170-24-063770.md) | Annual report, period 2024-03-29 | 0000950170-24-063770 |
| 2024-05-09 | 07:06 ET | [8-K](/filings/0000950170-24-056257.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-056257 |
| 2024-04-25 | 16:13 ET | [8-K](/filings/0000950170-24-048323.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0000950170-24-048323 |
| 2024-04-03 | 16:39 ET | [8-K](/filings/0000950170-24-041158.md) | 5.02 Departure or appointment of officers or directors; 7.01 Regulation FD disclosure; 9.01 Financial statements and exhibits | 0000950170-24-041158 |
| 2024-03-04 | 16:05 ET | [8-K](/filings/0000950170-24-024818.md) | 5.02 Departure or appointment of officers or directors; 9.01 Financial statements and exhibits | 0000950170-24-024818 |
| 2024-02-06 | 16:05 ET | [10-Q](/filings/0000950170-24-011712.md) | Quarterly report, period 2023-12-29 | 0000950170-24-011712 |
| 2024-02-01 | 07:08 ET | [8-K](/filings/0000950170-24-009608.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-24-009608 |
| 2023-11-06 | 07:57 ET | [10-Q](/filings/0000950170-23-059019.md) | Quarterly report, period 2023-09-29 | 0000950170-23-059019 |
| 2023-11-02 | 07:12 ET | [8-K](/filings/0000950170-23-057742.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0000950170-23-057742 |

Page 1 of 3. [Older](/companies/algm/filings.md?page=2)
Source: SEC EDGAR, the company’s filing index. Last ingested by Listed: Oct 30, 2026, 09:01 ET. No prices; not investment advice.