MONOLITHIC POWER SYSTEMS INC — 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-Q
10-Q/A
144
144/A
3
4
4/A
424B3
424B4
5
8-A12G
8-K
ARS
CORRESP
DEF 14A
DEFA14A
DEFR14A
NT 10-K
NT 10-Q
PRE 14A
S-1
S-1/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 | — | 0000102909-26-001833 | Mar 27, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001214659-26-003765 | Mar 24, 2026 | Mar 20, 2026 |
| 144 | — | 0001969223-26-000378 | Mar 20, 2026 | — |
| 3 | PRIMARY DOCUMENT | 0001214659-26-003030 | Mar 9, 2026 | Feb 27, 2026 |
| 144 | — | 0001950047-26-001939 | Mar 2, 2026 | — |
| 10-K | FORM 10-K | 0001437749-26-006113 | Feb 27, 2026 | Dec 31, 2025 |
| 8-K | FORM 8-K | 0001437749-26-006112 | Feb 27, 2026 | Feb 26, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-002084 | Feb 17, 2026 | Feb 12, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001738 | Feb 13, 2026 | Feb 11, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001626 | Feb 12, 2026 | Feb 11, 2026 |
| 144 | — | 0001950047-26-001207 | Feb 12, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001587 | Feb 12, 2026 | Feb 10, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001517 | Feb 11, 2026 | Feb 9, 2026 |
| 144 | — | 0001950047-26-001171 | Feb 11, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001451 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001450 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001449 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001448 | Feb 10, 2026 | Feb 6, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001447 | Feb 10, 2026 | Feb 6, 2026 |
| 144 | — | 0001950047-26-001120 | Feb 10, 2026 | — |
| 144 | — | 0001969223-26-000135 | Feb 10, 2026 | — |
| 144 | — | 0001312593-26-000002 | Feb 6, 2026 | — |
| 144 | — | 0001308647-26-000002 | Feb 6, 2026 | — |
| 144 | — | 0001308676-26-000002 | Feb 6, 2026 | — |
| 144 | — | 0001415033-26-000002 | Feb 6, 2026 | — |
| 144 | — | 0001360833-26-000002 | Feb 6, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001262 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001261 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001260 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001259 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001258 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001257 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001256 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001255 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001254 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001253 | Feb 5, 2026 | Feb 3, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001252 | Feb 5, 2026 | Feb 3, 2026 |
| 8-K | FORM 8-K | 0001437749-26-003191 | Feb 5, 2026 | Feb 3, 2026 |
| SCHEDULE 13G/A | — | 0000315066-26-000496 | Feb 5, 2026 | — |
| 144 | — | 0001308676-26-000001 | Feb 4, 2026 | — |
| 144 | — | 0001415033-26-000001 | Feb 4, 2026 | — |
| 144 | — | 0001360833-26-000001 | Feb 4, 2026 | — |
| 144 | — | 0001312593-26-000001 | Feb 4, 2026 | — |
| 144 | — | 0001308647-26-000001 | Feb 4, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001214659-26-001149 | Feb 4, 2026 | Feb 2, 2026 |
| 144 | — | 0001950047-26-000786 | Feb 2, 2026 | — |
| SCHEDULE 13G/A | — | 0002012383-26-000053 | Jan 8, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001214659-26-000208 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | PRIMARY DOCUMENT | 0001214659-26-000197 | Jan 6, 2026 | Jan 2, 2026 |
| 144 | — | 0001950047-26-000010 | Jan 2, 2026 | — |