# Filing Detail

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:
SEC Accession No. 0000950170-25-089737
Filing Date
2025-06-25
Accepted
2025-06-25 07:40:36
Documents
3

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | DEFA14A | algm_2025_proxy_addtl_ma.htm | DEFA14A | 17808
2 | GRAPHIC | img186737531_0.jpg | GRAPHIC | 511803
3 | GRAPHIC | img186737531_1.jpg | GRAPHIC | 485072
| Complete submission text file | 0000950170-25-089737.txt |  | 1392134

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: DEFA14A | Act: 34 | File No.: 001-39675 | Film No.: 251070979
SIC: 3674 Semiconductors & Related Devices
(CF Office: 04 Manufacturing)