# Filing Detail

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0001193125-26-233537
Filing Date
2026-05-21
Accepted
2026-05-21 08:24:32
Documents
134
Period of Report
2026-03-27

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-K | algm-20260327.htm iXBRL | 10-K | 4981659
2 | EX-10.9 | algm-ex10_9.htm | EX-10.9 | 145599
3 | EX-10.10 | algm-ex10_10.htm | EX-10.10 | 145580
4 | EX-10.12 | algm-ex10_12.htm | EX-10.12 | 130293
5 | EX-19.1 | algm-ex19_1.htm | EX-19.1 | 136518
6 | EX-21.1 | algm-ex21_1.htm | EX-21.1 | 26169
7 | EX-23.1 | algm-ex23_1.htm | EX-23.1 | 5109
8 | EX-31.1 | algm-ex31_1.htm | EX-31.1 | 16827
9 | EX-31.2 | algm-ex31_2.htm | EX-31.2 | 16671
10 | EX-32.1 | algm-ex32_1.htm | EX-32.1 | 10398
11 | EX-32.2 | algm-ex32_2.htm | EX-32.2 | 10234
12 | GRAPHIC | img243718777_0.jpg | GRAPHIC | 835368
| Complete submission text file | 0001193125-26-233537.txt |  | 23883553

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
13 | XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT | algm-20260327.xsd | EX-101.SCH | 2509244
138 | EXTRACTED XBRL INSTANCE DOCUMENT | algm-20260327_htm.xml | XML | 4648565

Mailing Address 955 PERIMETER ROAD MANCHESTER NH 03103
Business Address 955 PERIMETER ROAD MANCHESTER NH 03103 (603) 626-2300
ALLEGRO MICROSYSTEMS, INC. (Filer) CIK: 0000866291 (see all company filings)

EIN.: 462405937 | Fiscal Year End: 0331
Type: 10-K | Act: 34 | File No.: 001-39675 | Film No.: 261005970
SIC: 3674 Semiconductors & Related Devices
(CF Office: 04 Manufacturing)