Monolithic Power Systems, Inc. designs, develops, and markets integrated power semiconductor solutions and power delivery architectures for computing and storage, automotive, industrial, communications, and consumer applications markets. It offers direct current (DC) to DC integrated circuits (ICs) that are used to convert and control voltages of various electronic systems, such as portable electronic devices, wireless LAN access points, computers and notebooks, monitors, infotainment applications, and medical equipment. The Firm also provides lighting control ICs for backlighting that are used in systems, which provide the light source for LCD panels in notebook computers, monitors, car navigation systems, and televisions, as well as for general illumination products. The company was founded by Michael R. Hsing, and James C. Moyer on August 22, 1997, and is headquartered in Kirkland, WA. |  |
|
|
Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
SARIA TSENG | Officer | Sep 18 '25 | Proposed Sale | 914.45 | 14,510 | 13,268,670 | | Sep 18 04:33 PM | CARINTIA MARTINEZ | Director | Sep 18 '25 | Proposed Sale | 900.00 | 1,400 | 1,260,000 | | Sep 18 04:13 PM | BLEGEN THEODORE | EVP and CFO | Sep 02 '25 | Sale | 814.34 | 3,000 | 2,443,032 | 40,939 | Sep 03 06:39 PM | Elmiger Eugen J | Director | Aug 29 '25 | Sale | 846.71 | 4,000 | 3,386,841 | 17,213 | Sep 02 04:04 PM | BERNIE BLEGEN | Officer | Sep 02 '25 | Proposed Sale | 814.34 | 3,000 | 2,443,026 | | Sep 02 04:01 PM | Elmiger Eugen J | Director | Aug 29 '25 | Proposed Sale | 846.71 | 4,000 | 3,386,845 | | Aug 29 06:23 PM | Zhou Jeff | Director | Aug 27 '25 | Sale | 870.00 | 193 | 167,910 | 5,611 | Aug 28 02:23 PM | JEFF ZHOU | Director | Aug 27 '25 | Proposed Sale | 870.00 | 193 | 167,910 | | Aug 27 04:52 PM | Rosalind Sciammas | Member of immediate family of | Aug 22 '25 | Proposed Sale | 820.00 | 1,499 | 1,229,180 | | Aug 22 02:30 PM | Hsing Michael | CEO | Aug 15 '25 | Sale | 829.10 | 20,231 | 16,773,550 | 814,667 | Aug 18 05:36 PM | Michael Hsing | Officer | Aug 15 '25 | Proposed Sale | 829.10 | 20,231 | 16,773,556 | | Aug 15 05:23 PM | Zhou Jeff | Director | Aug 13 '25 | Sale | 850.00 | 400 | 340,000 | 5,804 | Aug 15 02:54 PM | Zhou Jeff | Director | Aug 12 '25 | Sale | 830.00 | 200 | 166,000 | 6,204 | Aug 13 05:47 PM | JEFF ZHOU | Director | Aug 13 '25 | Proposed Sale | 850.00 | 400 | 340,000 | | Aug 13 04:07 PM | JEFF ZHOU | Director | Aug 12 '25 | Proposed Sale | 830.00 | 200 | 166,000 | | Aug 12 07:10 PM | Xiao Deming | EVP, Global Operations | Aug 01 '25 | Sale | 780.00 | 39,999 | 31,199,220 | 121,605 | Aug 04 07:58 PM | BLEGEN THEODORE | EVP and CFO | Aug 01 '25 | Sale | 750.00 | 3,000 | 2,250,000 | 43,939 | Aug 04 07:31 PM | DEMING XIAO | Officer | Aug 01 '25 | Proposed Sale | 780.00 | 40,000 | 31,200,000 | | Aug 01 04:04 PM | BERNIE BLEGEN | Officer | Aug 01 '25 | Proposed Sale | 750.00 | 3,000 | 2,250,000 | | Aug 01 04:03 PM | BLEGEN THEODORE | EVP and CFO | Jul 01 '25 | Sale | 750.00 | 6,000 | 4,500,000 | 46,939 | Jul 02 11:46 AM | BERNIE BLEGEN | Officer | Jul 01 '25 | Proposed Sale | 750.00 | 6,000 | 4,500,000 | | Jul 01 04:13 PM | Zhou Jeff | Director | May 15 '25 | Proposed Sale | 792.58 | 745 | 590,470 | | May 15 04:20 PM | CHANG KUO WEI HERBERT | Director | May 13 '25 | Sale | 738.00 | 50 | 36,900 | 626 | May 13 06:09 PM | CHANG KUO WEI HERBERT | Director | May 12 '25 | Sale | 698.00 | 100 | 69,800 | 676 | May 12 08:24 PM | Sciammas Maurice | EVP, WW Sales & Marketing | May 12 '25 | Sale | 701.00 | 12,000 | 8,412,000 | 4,015 | May 12 06:02 PM | Sciammas Maurice | Officer | May 12 '25 | Proposed Sale | 701.00 | 12,000 | 8,412,000 | | May 12 01:46 PM | CHANG KUO WEI HERBERT | Director | May 08 '25 | Sale | 650.00 | 100 | 65,000 | 776 | May 09 06:53 PM | KUO WEI CHANG | Director | May 08 '25 | Proposed Sale | 650.00 | 300 | 195,000 | | May 08 01:46 PM | Hsing Michael | CEO | Feb 18 '25 | Sale | 700.00 | 5,200 | 3,640,000 | 834,898 | Feb 20 07:01 PM | MICHAEL HSING | Officer | Feb 18 '25 | Proposed Sale | 700.00 | 5,200 | 3,640,000 | | Feb 18 04:14 PM | Xiao Deming | EVP, Global Operations | Feb 10 '25 | Sale | 717.10 | 662 | 474,721 | 161,577 | Feb 12 03:45 PM | Tseng Saria | EVP & General Counsel | Feb 10 '25 | Sale | 717.10 | 663 | 475,438 | 158,977 | Feb 12 03:45 PM | Sciammas Maurice | EVP, WW Sales & Marketing | Feb 10 '25 | Sale | 717.10 | 662 | 474,721 | 102,301 | Feb 12 03:44 PM | Hsing Michael | CEO | Feb 10 '25 | Sale | 717.10 | 2,594 | 1,860,157 | 840,071 | Feb 12 03:44 PM | BLEGEN THEODORE | EVP and CFO | Feb 10 '25 | Sale | 717.10 | 532 | 381,498 | 52,912 | Feb 12 03:43 PM | Hsing Michael | CEO | Feb 07 '25 | Sale | 700.00 | 11,964 | 8,374,800 | 842,665 | Feb 11 05:33 PM | Sciammas Maurice | EVP, WW Sales & Marketing | Feb 07 '25 | Sale | 701.98 | 7,000 | 4,913,852 | 16,015 | Feb 11 05:33 PM | Xiao Deming | Officer | Feb 10 '25 | Proposed Sale | 720.25 | 2,172 | 1,564,383 | | Feb 10 07:18 PM | Tseng Saria | Officer | Feb 10 '25 | Proposed Sale | 720.25 | 2,172 | 1,564,383 | | Feb 10 07:13 PM | Sciammas Maurice | Officer | Feb 10 '25 | Proposed Sale | 720.25 | 2,172 | 1,564,383 | | Feb 10 07:10 PM | Hsing Michael | Officer | Feb 10 '25 | Proposed Sale | 720.25 | 7,053 | 5,079,923 | | Feb 10 06:37 PM | BLEGEN THEODORE | Officer | Feb 10 '25 | Proposed Sale | 720.25 | 1,431 | 1,030,678 | | Feb 10 06:27 PM | Sciammas Maurice | Officer | Feb 07 '25 | Proposed Sale | 701.98 | 7,000 | 4,913,852 | | Feb 07 04:55 PM | MICHAEL HSING | Officer | Feb 07 '25 | Proposed Sale | 700.00 | 11,964 | 8,374,800 | | Feb 07 04:02 PM | Hsing Michael | CEO | Jan 24 '25 | Sale | 700.00 | 3,636 | 2,545,200 | 854,629 | Jan 28 05:52 PM | MICHAEL HSING | Officer | Jan 24 '25 | Proposed Sale | 700.00 | 3,636 | 2,545,200 | | Jan 24 04:55 PM | BLEGEN THEODORE | EVP and CFO | Dec 09 '24 | Sale | 600.00 | 2,500 | 1,500,000 | 53,444 | Dec 11 07:21 PM | BERNIE BLEGEN | Officer | Dec 09 '24 | Proposed Sale | 600.00 | 2,500 | 1,500,000 | | Dec 09 04:07 PM | Xiao Deming | EVP, Global Operations | Nov 08 '24 | Sale | 765.14 | 866 | 662,611 | 162,239 | Nov 13 05:16 PM | Tseng Saria | EVP & General Counsel | Nov 08 '24 | Sale | 765.14 | 866 | 662,611 | 159,640 | Nov 13 05:15 PM | Sciammas Maurice | EVP, WW Sales & Marketing | Nov 08 '24 | Sale | 765.14 | 866 | 662,611 | 102,963 | Nov 13 05:14 PM | BLEGEN THEODORE | EVP and CFO | Nov 08 '24 | Sale | 765.15 | 734 | 561,620 | 55,944 | Nov 13 05:13 PM | Hsing Michael | CEO | Nov 08 '24 | Sale | 765.15 | 2,812 | 2,151,602 | 858,265 | Nov 13 05:12 PM | Xiao Deming | Officer | Nov 08 '24 | Proposed Sale | 775.21 | 2,172 | 1,683,756 | | Nov 08 12:56 PM | Tseng Saria | Officer | Nov 08 '24 | Proposed Sale | 775.21 | 2,172 | 1,683,756 | | Nov 08 12:47 PM | Sciammas Maurice | Officer | Nov 08 '24 | Proposed Sale | 775.21 | 2,172 | 1,683,756 | | Nov 08 12:43 PM | Hsing Michael | Officer | Nov 08 '24 | Proposed Sale | 775.21 | 7,053 | 5,467,556 | | Nov 08 12:25 PM | BLEGEN THEODORE | Officer | Nov 08 '24 | Proposed Sale | 775.21 | 1,428 | 1,107,000 | | Nov 08 12:12 PM | BLEGEN THEODORE | EVP and CFO | Nov 01 '24 | Sale | 772.96 | 2,500 | 1,932,405 | 56,678 | Nov 05 05:31 PM | BERNIE BLEGEN | Officer | Nov 01 '24 | Proposed Sale | 772.96 | 2,500 | 1,932,407 | | Nov 01 04:25 PM | Sciammas Maurice | EVP, WW Sales & Marketing | Oct 07 '24 | Sale | 929.59 | 11,000 | 10,225,485 | 103,829 | Oct 08 01:14 PM | MAURICE SCIAMMAS | Officer | Oct 07 '24 | Proposed Sale | 929.59 | 11,000 | 10,225,471 | | Oct 07 04:13 PM | BLEGEN THEODORE | EVP and CFO | Oct 01 '24 | Sale | 908.36 | 2,500 | 2,270,900 | 59,178 | Oct 02 11:08 AM | BERNIE BLEGEN | Officer | Oct 01 '24 | Proposed Sale | 908.36 | 2,500 | 2,270,900 | | Oct 01 04:18 PM |
|