ON SEMICONDUCTOR CORP — All Filings
1,004 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-K405
10-K405/A
10-Q
10-Q/A
11-K
144
3
3/A
4
4/A
424B3
424B5
424B7
425
8-A12B
8-A12B/A
8-A12G
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
DFAN14A
EFFECT
NT 10-K
POS AM
PRE 14A
PRER14A
S-1
S-1/A
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SC TO-C
SC TO-I
SC TO-I/A
SC TO-T
SC TO-T/A
SCHEDULE 13G/A
SD
T-3
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-001925 | Mar 27, 2026 | — |
| 4 | — | 0001225208-26-003699 | Mar 16, 2026 | Mar 13, 2026 |
| 144 | — | 0001965301-26-000034 | Mar 13, 2026 | — |
| 8-K | 8-K | 0001140361-26-008936 | Mar 11, 2026 | Mar 9, 2026 |
| 4 | — | 0001225208-26-002506 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | — | 0001225208-26-002505 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | — | 0001225208-26-002512 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | — | 0001225208-26-002504 | Feb 24, 2026 | Feb 20, 2026 |
| 4 | — | 0001225208-26-002131 | Feb 18, 2026 | Feb 17, 2026 |
| 144 | — | 0001950047-26-001329 | Feb 17, 2026 | — |
| 4 | — | 0001225208-26-001894 | Feb 13, 2026 | Feb 12, 2026 |
| 4 | — | 0001225208-26-001829 | Feb 12, 2026 | Feb 10, 2026 |
| 4 | — | 0001225208-26-001830 | Feb 12, 2026 | Feb 10, 2026 |
| 4 | — | 0001225208-26-001828 | Feb 12, 2026 | Feb 10, 2026 |
| 144 | — | 0001950047-26-001219 | Feb 12, 2026 | — |
| 144 | — | 0001950047-26-001200 | Feb 12, 2026 | — |
| 4 | — | 0001225208-26-001831 | Feb 12, 2026 | Feb 10, 2026 |
| 4 | — | 0001225208-26-001534 | Feb 9, 2026 | Feb 5, 2026 |
| 10-K | 10-K | 0001097864-26-000006 | Feb 9, 2026 | Dec 31, 2025 |
| 4 | — | 0001225208-26-001532 | Feb 9, 2026 | Feb 5, 2026 |
| 4 | — | 0001225208-26-001531 | Feb 9, 2026 | Feb 5, 2026 |
| 8-K | 8-K | 0001140361-26-004405 | Feb 9, 2026 | — |
| 4 | — | 0001225208-26-001533 | Feb 9, 2026 | Feb 5, 2026 |
| SCHEDULE 13G/A | — | 0000102909-26-000230 | Jan 30, 2026 | — |
| 4 | — | 0001225208-25-010150 | Dec 19, 2025 | — |
| 4 | — | 0001225208-25-009790 | Dec 8, 2025 | Dec 4, 2025 |
| 4 | — | 0001225208-25-009675 | Dec 4, 2025 | Dec 3, 2025 |
| 144 | — | 0001950047-25-009747 | Dec 4, 2025 | — |
| 144 | — | 0001950047-25-009689 | Dec 3, 2025 | — |
| 8-K | 8-K | 0001140361-25-042498 | Nov 17, 2025 | Nov 13, 2025 |
| 8-K | 8-K | 0001140361-25-040434 | Nov 5, 2025 | Nov 4, 2025 |
| SCHEDULE 13G/A | — | 0000315066-25-002786 | Nov 5, 2025 | — |
| 10-Q | 10-Q | 0001097864-25-000019 | Nov 3, 2025 | Oct 3, 2025 |
| 8-K | 8-K | 0001140361-25-040094 | Nov 3, 2025 | — |
| 4 | — | 0001225208-25-008507 | Oct 6, 2025 | Oct 3, 2025 |
| 8-K | 8-K | 0001140361-25-035762 | Sep 23, 2025 | — |
| 4 | — | 0001225208-25-007302 | Aug 15, 2025 | Aug 13, 2025 |
| 144 | — | 0001950047-25-005747 | Aug 13, 2025 | — |
| SCHEDULE 13G/A | — | 0000315066-25-002090 | Aug 6, 2025 | — |
| 10-Q | 10-Q | 0001097864-25-000013 | Aug 4, 2025 | Jul 4, 2025 |
| 8-K | 8-K | 0001140361-25-028492 | Aug 4, 2025 | — |
| 4 | — | 0001225208-25-006587 | Jul 7, 2025 | Jul 3, 2025 |
| 144 | — | 0001950047-25-004201 | Jun 12, 2025 | — |
| 4 | — | 0001225208-25-005869 | Jun 12, 2025 | — |
| 4 | — | 0001225208-25-005477 | May 27, 2025 | May 26, 2025 |
| 8-K | 8-K | 0001140361-25-019979 | May 21, 2025 | May 15, 2025 |
| SD | SD | 0001140361-25-019833 | May 20, 2025 | — |
| 4 | — | 0001225208-25-005229 | May 16, 2025 | May 15, 2025 |
| 4 | — | 0001225208-25-005230 | May 16, 2025 | May 15, 2025 |
| 4 | — | 0001225208-25-005231 | May 16, 2025 | May 15, 2025 |