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
8-K  Documents   Interactive Data Current report, items 5.03 and 9.01
Acc-no: 0001437749-25-009324 (34 Act)  Size: 474 KB
2025-03-26 000-51026
25772505
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001437749-25-008519 (34 Act)  Size: 6 MB
2025-03-20 000-51026
25755102
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001437749-25-005903 (34 Act)  Size: 11 MB
2025-03-03 000-51026
25697177
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-003203 Size: 14 KB
2025-02-20
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-003202 Size: 6 KB
2025-02-20
144  Documents Report of proposed sale of securities
Acc-no: 0001950047-25-000923 (33 Act)  Size: 8 KB
2025-02-18 000-51026
25635033
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002586 Size: 15 KB
2025-02-13
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002484 Size: 6 KB
2025-02-12
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002483 Size: 4 KB
2025-02-12
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002482 Size: 14 KB
2025-02-12
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002481 Size: 6 KB
2025-02-12
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002480 Size: 6 KB
2025-02-12
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002420 Size: 5 KB
2025-02-11
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002419 Size: 20 KB
2025-02-11
144  Documents Report of proposed sale of securities
Acc-no: 0001308647-25-000001 (33 Act)  Size: 4 KB
2025-02-10 000-51026
25607227
144  Documents Report of proposed sale of securities
Acc-no: 0001312593-25-000001 (33 Act)  Size: 4 KB
2025-02-10 000-51026
25607212
144  Documents Report of proposed sale of securities
Acc-no: 0001360833-25-000001 (33 Act)  Size: 4 KB
2025-02-10 000-51026
25607197
144  Documents Report of proposed sale of securities
Acc-no: 0001308676-25-000001 (33 Act)  Size: 5 KB
2025-02-10 000-51026
25607111
144  Documents Report of proposed sale of securities
Acc-no: 0001415033-25-000002 (33 Act)  Size: 4 KB
2025-02-10 000-51026
25607093
144  Documents Report of proposed sale of securities
Acc-no: 0002007317-25-000107 (33 Act)  Size: 4 KB
2025-02-07 000-51026
25602651
144  Documents Report of proposed sale of securities
Acc-no: 0001950047-25-000668 (33 Act)  Size: 6 KB
2025-02-07 000-51026
25601608
8-K  Documents   Interactive Data Current report, items 2.02, 8.01, and 9.01
Acc-no: 0001437749-25-003024 (34 Act)  Size: 1 MB
2025-02-06 000-51026
25597248
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002116 Size: 4 KB
2025-02-06
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002115 Size: 4 KB
2025-02-06
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002114 Size: 4 KB
2025-02-06
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002113 Size: 4 KB
2025-02-06
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002112 Size: 4 KB
2025-02-06
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-002111 Size: 4 KB
2025-02-06
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-25-001498 Size: 5 KB
2025-01-28
144  Documents Report of proposed sale of securities
Acc-no: 0001950047-25-000416 (33 Act)  Size: 5 KB
2025-01-24 000-51026
25554825
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001437749-24-037471 (34 Act)  Size: 174 KB
2024-12-13 000-51026
241548255
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-24-020316 Size: 6 KB
2024-12-11
144  Documents Report of proposed sale of securities
Acc-no: 0001950047-24-009542 (33 Act)  Size: 6 KB
2024-12-09 000-51026
241535160
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-24-018890 Size: 6 KB
2024-11-13
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-24-018889 Size: 4 KB
2024-11-13
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-24-018888 Size: 12 KB
2024-11-13
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-24-018887 Size: 6 KB
2024-11-13
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001214659-24-018885 Size: 6 KB
2024-11-13
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000315066-24-002795 (34 Act)  Size: 8 KB
2024-11-12 005-80408
241444860
8-K  Documents   Interactive Data Current report, item 7.01
Acc-no: 0001437749-24-034352 (34 Act)  Size: 156 KB
2024-11-12 000-51026
241443942