LITTELFUSE INC /DE — All Filings
1,005 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.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424B3
425
5
5/A
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
EFFECT
NT 10-K
NT 10-Q
POS AM
PRE 14A
PRER14A
S-4
S-4/A
S-8
S-8 POS
SC 13G
SC 13G/A
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001728 | Mar 27, 2026 | — |
| 4 | FORM 4 | 0001140361-26-009671 | Mar 16, 2026 | Mar 13, 2026 |
| 8-K | 8-K | 0001140361-26-009393 | Mar 13, 2026 | Mar 12, 2026 |
| ARS | ARS | 0001140361-26-009261 | Mar 12, 2026 | Dec 27, 2025 |
| DEFA14A | DEFA14A | 0001140361-26-009258 | Mar 12, 2026 | — |
| DEF 14A | DEF 14A | 0001140361-26-009256 | Mar 12, 2026 | Apr 22, 2026 |
| 4 | FORM 4 | 0001628280-26-016079 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001070847-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001186518-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0002010494-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001614437-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001590599-26-000002 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001384707-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001807380-26-000002 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001217168-26-000003 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0002055015-26-000005 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001201094-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001525175-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001872974-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0001526287-26-000004 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0002081396-26-000002 | Mar 9, 2026 | Mar 5, 2026 |
| 4 | FORM 4 | 0002115144-26-000004 | Mar 5, 2026 | Mar 4, 2026 |
| 3 | FORM 3 | 0002115144-26-000003 | Mar 5, 2026 | Mar 4, 2026 |
| 8-K | 8-K | 0000889331-26-000002 | Mar 5, 2026 | Mar 4, 2026 |
| 4 | FORM 4 | 0001614437-26-000002 | Feb 25, 2026 | Feb 24, 2026 |
| 144 | — | 0001628280-26-011076 | Feb 24, 2026 | — |
| 4 | FORM 4 | 0001186518-26-000002 | Feb 20, 2026 | — |
| 144 | — | 0001628280-26-010258 | Feb 20, 2026 | — |
| 10-K | 10-K | 0001628280-26-009585 | Feb 19, 2026 | Dec 27, 2025 |
| 4 | FORM 4 | 0001070847-26-000002 | Feb 11, 2026 | Feb 10, 2026 |
| 144 | — | 0001628280-26-006792 | Feb 10, 2026 | — |
| 4 | FORM 4 | 0001685837-26-000003 | Feb 6, 2026 | Feb 5, 2026 |
| 4 | FORM 4 | 0001201094-26-000002 | Feb 6, 2026 | Feb 4, 2026 |
| 4 | FORM 4 | 0001872974-26-000002 | Feb 5, 2026 | Feb 4, 2026 |
| 4 | FORM 4 | 0002010494-26-000002 | Feb 4, 2026 | Feb 2, 2026 |
| 4 | FORM 4 | 0001384707-26-000002 | Feb 4, 2026 | Feb 2, 2026 |
| 4 | FORM 4 | 0001526287-26-000002 | Feb 4, 2026 | Feb 2, 2026 |
| 4 | FORM 4 | 0002055015-26-000003 | Feb 4, 2026 | Feb 2, 2026 |
| 144 | — | 0001628280-26-005429 | Feb 4, 2026 | — |
| 144 | — | 0001628280-26-004756 | Feb 2, 2026 | — |
| 144 | — | 0001628280-26-004697 | Feb 2, 2026 | — |
| 144 | — | 0001628280-26-004690 | Feb 2, 2026 | — |
| 144 | — | 0001628280-26-004646 | Feb 2, 2026 | — |
| 8-K | 8-K | 0001628280-26-003710 | Jan 28, 2026 | — |
| 8-K | 8-K | 0001140361-26-000720 | Jan 8, 2026 | Jan 7, 2026 |
| 4 | — | 0000889331-25-000225 | Dec 15, 2025 | Dec 11, 2025 |
| 4 | — | 0000889331-25-000223 | Dec 15, 2025 | Dec 11, 2025 |
| 144 | — | 0001628280-25-056639 | Dec 11, 2025 | — |
| 144 | — | 0001628280-25-056637 | Dec 11, 2025 | — |
| 4 | — | 0000889331-25-000221 | Dec 8, 2025 | Dec 5, 2025 |