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Mailing Address 5808 LAKE WASHINGTON BLVD. NE KIRKLAND WA 98033
Business Address 5808 LAKE WASHINGTON BLVD. NE KIRKLAND WA 98033 425-296-9956
MONOLITHIC POWER SYSTEMS INC CIK#: 0001280452 (see all company filings)

SIC: 3674 - SEMICONDUCTORS & RELATED DEVICES
State location: WA | State of Inc.: DE | Fiscal Year End: 1231
(CF Office: 04 Manufacturing)
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Items 1 - 40  0001280452 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001437749-24-006133 (34 Act)  Size: 11 MB
2024-02-29 000-51026
24704742
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-24-000687 (34 Act)  Size: 6 KB
2024-02-14 005-80408
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-24-020085 (34 Act)  Size: 13 KB
2024-02-13 005-80408
24627120
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000315066-24-001347 (34 Act)  Size: 8 KB
2024-02-09 005-80408
24611920
8-K  Documents   Interactive Data Current report, items 2.02, 8.01, and 9.01
Acc-no: 0001437749-24-003353 (34 Act)  Size: 3 MB
2024-02-07 000-51026
24604219
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001086364-24-002047 (34 Act)  Size: 13 KB
2024-01-24 005-80408
24554606
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001437749-23-034560 (34 Act)  Size: 170 KB
2023-12-15 000-51026
231490195
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-23-030929 (34 Act)  Size: 8 MB
2023-11-08 000-51026
231387687
8-K  Documents   Interactive Data Current report, items 2.02, 8.01, and 9.01
Acc-no: 0001437749-23-029394 (34 Act)  Size: 1 MB
2023-10-30 000-51026
231360140
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001437749-23-026015 (34 Act)  Size: 170 KB
2023-09-15 000-51026
231258617
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-23-022148 (34 Act)  Size: 8 MB
2023-08-04 000-51026
231143920
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-23-021166 (34 Act)  Size: 1 MB
2023-07-31 000-51026
231127349
8-K  Documents   Interactive Data Current report, items 5.02, 5.07, 8.01, and 9.01
Acc-no: 0001437749-23-017560 (34 Act)  Size: 275 KB
2023-06-15 000-51026
231017314
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001437749-23-016824 (34 Act)  Size: 166 KB
2023-06-07 000-51026
23997590
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001437749-23-016552 (34 Act)  Size: 31 KB
2023-06-05 000-51026
23991123
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001437749-23-015341 (34 Act)  Size: 95 KB
2023-05-22 000-51026
23942323
SD  Documents Specialized disclosure report
Acc-no: 0001437749-23-014152 (34 Act)  Size: 141 KB
2023-05-12 000-51026
23914740
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-23-012797 (34 Act)  Size: 7 MB
2023-05-05 000-51026
23893663
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-23-012554 (34 Act)  Size: 2 MB
2023-05-04 000-51026
23888467
ARS  Documents Annual Report to Security Holders
Acc-no: 0001437749-23-011848 (34 Act)  Size: 627 KB
2023-05-01 000-51026
23872885
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001437749-23-011843 (34 Act)  Size: 1 MB
2023-05-01 000-51026
23872648
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001437749-23-011840 (34 Act)  Size: 4 MB
2023-05-01 000-51026
23872570
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001437749-23-004540 (34 Act)  Size: 10 MB
2023-02-24 000-51026
23667521
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0000080255-23-002577 (34 Act)  Size: 6 KB
2023-02-14 005-80408
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001104659-23-015122 (34 Act)  Size: 12 KB
2023-02-09 005-80408
23602127
8-K  Documents   Interactive Data Current report, items 2.02, 5.02, 8.01, and 9.01
Acc-no: 0001437749-23-002781 (34 Act)  Size: 3 MB
2023-02-08 000-51026
23599011
SC 13G/A  Documents [Amend] Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-004018 (34 Act)  Size: 13 KB
2023-01-26 005-80408
23554245
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001306550-23-001497 (34 Act)  Size: 13 KB
2023-01-20 005-80408
23541871
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001437749-22-029135 (34 Act)  Size: 167 KB
2022-12-15 000-51026
221464771
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-22-026581 (34 Act)  Size: 8 MB
2022-11-09 000-51026
221372430
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-22-024940 (34 Act)  Size: 1 MB
2022-10-27 000-51026
221337270
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001437749-22-022588 (34 Act)  Size: 169 KB
2022-09-16 000-51026
221247598
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-22-019150 (34 Act)  Size: 8 MB
2022-08-05 000-51026
221140693
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-22-018260 (34 Act)  Size: 2 MB
2022-08-01 000-51026
221124690
8-K  Documents   Interactive Data Current report, items 5.07, 8.01, and 9.01
Acc-no: 0001437749-22-015448 (34 Act)  Size: 186 KB
2022-06-21 000-51026
221027571
SD  Documents Specialized disclosure report
Acc-no: 0001437749-22-013869 (34 Act)  Size: 108 KB
2022-05-31 000-51026
22981792
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001437749-22-011721 (34 Act)  Size: 7 MB
2022-05-10 000-51026
22909426
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001437749-22-010449 (34 Act)  Size: 710 KB
2022-05-02 000-51026
22882109
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001437749-22-010446 (34 Act)  Size: 1 MB
2022-05-02 000-51026
22881920
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0001437749-22-010441 (34 Act)  Size: 2 MB
2022-05-02 000-51026
22881804