ALLEGRO MICROSYSTEMS, INC. — All Filings
466 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
10-K/A
10-Q
144
3
4
424B4
424B5
424B7
425
5
8-A12B
8-K
8-K/A
ARS
CERT
CORRESP
DEF 14A
DEFA14A
DRS
DRS/A
DRSLTR
EFFECT
FWP
RW
S-1
S-1/A
S-1MEF
S-3ASR
S-8
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
SEC STAFF LETTER
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| S-1 | S-1 | 0001193125-21-025893 | Feb 2, 2021 | — |
| 8-K | 8-K | 0000866291-21-000004 | Feb 2, 2021 | — |
| CORRESP | — | 0001193125-21-025908 | Feb 2, 2021 | — |
| CORRESP | — | 0001193125-21-025915 | Feb 2, 2021 | — |
| 10-Q | 10-Q | 0000866291-21-000007 | Feb 2, 2021 | Dec 25, 2020 |
| UPLOAD | — | 0000000000-21-001070 | Jan 28, 2021 | — |
| DRS | — | 0000950123-21-000562 | Jan 25, 2021 | — |
| 10-Q | 10-Q | 0000866291-20-000011 | Nov 20, 2020 | Sep 25, 2020 |
| 8-K/A | 8-K/A | 0000866291-20-000009 | Nov 19, 2020 | — |
| 8-K | 8-K | 0000866291-20-000006 | Nov 19, 2020 | — |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030442 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030446 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030445 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030441 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030439 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030437 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030436 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030434 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030428 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030427 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030426 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030425 | Nov 4, 2020 | Nov 2, 2020 |
| 4 | FORM 4 SUBMISSION | 0000899243-20-030423 | Nov 4, 2020 | Nov 2, 2020 |
| 8-K | 8-K | 0001193125-20-283961 | Nov 2, 2020 | — |
| 424B4 | 424B4 | 0001193125-20-282664 | Oct 30, 2020 | — |
| S-8 | FORM S-8 | 0001193125-20-282732 | Oct 30, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029864 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029861 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029856 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029855 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029854 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029850 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029849 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029845 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029843 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029841 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029840 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029838 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029835 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029833 | Oct 29, 2020 | — |
| CERT | — | 0001354457-20-000653 | Oct 29, 2020 | — |
| 8-A12B | 8-A12B | 0001193125-20-280351 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029863 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029866 | Oct 29, 2020 | — |
| 3 | FORM 3 SUBMISSION | 0000899243-20-029865 | Oct 29, 2020 | — |
| EFFECT | — | 9999999995-20-003009 | Oct 28, 2020 | — |
| CORRESP | — | 0001193125-20-276892 | Oct 26, 2020 | — |
| CORRESP | — | 0001193125-20-276888 | Oct 26, 2020 | — |
| SEC STAFF LETTER | — | 9999999997-20-005066 | Oct 21, 2020 | — |
| S-1/A | AMENDMENT NO. 2 TO FORM S-1 | 0001193125-20-273413 | Oct 21, 2020 | — |