MONOLITHIC POWER SYSTEMS INC - MPWR
Insiders (Form 4) · last 180 days · showing up to 200 transactions
· Form 144 is shown in the SEC filings tab
· Updating…
Visible: 0
Transaction codes:
P = Open-market purchase ·
S = Open-market sale ·
A = Grant/award ·
M = Exercise/conversion of derivative ·
G = Gift ·
F = Tax withholding ·
J = Other ·
A/D:
A = Acquired (buy/receive) ·
D = Disposed (sell/give)
| Filed | Owner | Title | Code | A/D | Shares | Price | Value | Shares after | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2026 | CEO | S | D | 130.0 | 1,356.94 | 176,402.2 | 818,264.0 | View | |
| Sep 30, 2026 | CEO | S | D | 10,967.0 | 1,351.43 | 14,821,132.81 | 818,394.0 | View | |
| Sep 30, 2026 | CEO | S | D | 6,343.0 | 1,347.15 | 8,544,972.45 | 829,361.0 | View | |
| Sep 30, 2026 | CEO | S | D | 5,783.0 | 1,343.76 | 7,770,964.08 | 835,704.0 | View | |
| Sep 30, 2026 | CEO | S | D | 2,949.0 | 1,338.66 | 3,947,708.34 | 841,487.0 | View | |
| Sep 30, 2026 | CEO | S | D | 1,111.0 | 1,333.34 | 1,481,340.74 | 844,436.0 | View | |
| Sep 30, 2026 | CEO | S | D | 2,121.0 | 1,328.54 | 2,817,833.34 | 845,547.0 | View | |
| Sep 30, 2026 | CEO | S | D | 596.0 | 1,323.31 | 788,692.76 | 847,668.0 | View | |
| Sep 02, 2026 | EVP & General Counsel | G | A | 2,000.0 | 0.0 | 0.0 | 2,000.0 | View | |
| Sep 02, 2026 | EVP & General Counsel | G | D | 2,000.0 | 0.0 | 0.0 | 142,218.0 | View | |
| Aug 26, 2026 | Interim CFO | J | D | 5.0 | 0.0 | 0.0 | 7,089.0 | View | |
| Aug 26, 2026 | Interim CFO | S | D | 32.0 | 1,297.72 | 41,527.04 | 7,094.0 | View | |
| Aug 25, 2026 | — | S | D | 50.0 | 1,281.57 | 64,078.5 | 515.0 | View | |
| Aug 19, 2026 | Interim CFO | S | D | 6.0 | 1,413.64 | 8,481.84 | 7,126.0 | View | |
| Aug 13, 2026 | — | S | D | 50.0 | 1,420.0 | 71,000.0 | 565.0 | View | |
| Aug 06, 2026 | EVP, WW Sales & Marketing | G | A | 25,000.0 | 0.0 | 0.0 | 36,062.0 | View | |
| Aug 06, 2026 | EVP, WW Sales & Marketing | G | D | 25,000.0 | 0.0 | 0.0 | 126,644.0 | View | |
| Aug 06, 2026 | Interim CFO | S | D | 105.0 | 1,344.27 | 141,148.35 | 7,132.0 | View | |
| Aug 05, 2026 | EVP, WW Sales & Marketing | S | D | 30.0 | 1,343.94 | 40,318.2 | 1,119.0 | View | |
| Jul 28, 2026 | Interim CFO | A | A | 1,359.0 | 0.0 | 0.0 | 7,237.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 110.0 | 1,405.71 | 154,628.1 | 151,644.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 117.0 | 1,400.45 | 163,852.65 | 151,754.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 213.0 | 1,396.16 | 297,382.08 | 151,871.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 50.0 | 1,388.19 | 69,409.5 | 152,084.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 410.0 | 1,384.11 | 567,485.1 | 152,134.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 418.0 | 1,378.73 | 576,309.14 | 152,544.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 472.0 | 1,375.47 | 649,221.84 | 152,962.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 240.0 | 1,369.18 | 328,603.2 | 153,434.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 50.0 | 1,359.36 | 67,968.0 | 153,674.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 5,640.0 | 1,352.95 | 7,630,638.0 | 153,724.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 1,506.0 | 1,348.91 | 2,031,458.46 | 159,364.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 1,864.0 | 1,344.16 | 2,505,514.24 | 160,870.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 1,460.0 | 1,339.59 | 1,955,801.4 | 162,734.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 776.0 | 1,334.59 | 1,035,641.84 | 164,194.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 464.0 | 1,329.3 | 616,795.2 | 164,970.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 409.0 | 1,323.93 | 541,487.37 | 165,434.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 274.0 | 1,318.42 | 361,247.08 | 165,843.0 | View | |
| Jul 17, 2026 | EVP, WW Sales & Marketing | S | D | 527.0 | 1,314.03 | 692,493.81 | 166,117.0 | View | |
| Jul 06, 2026 | EVP, WW Sales & Marketing | S | D | 30.0 | 1,351.61 | 40,548.3 | 1,149.0 | View | |
| Jun 03, 2026 | EVP, WW Sales & Marketing | S | D | 30.0 | 1,533.95 | 46,018.5 | 1,179.0 | View | |
| Jun 02, 2026 | EVP, WW Sales & Marketing | G | D | 12,472.0 | 0.0 | 0.0 | 12,625.0 | View | |
| May 29, 2026 | EVP & General Counsel | S | D | 7,565.0 | 1,700.0 | 12,860,500.0 | 144,218.0 | View | |
| May 28, 2026 | Interim CFO | S | D | 22.0 | 1,649.56 | 36,290.32 | 5,878.0 | View | |
| May 27, 2026 | — | S | D | 486.0 | 1,680.0 | 816,480.0 | 3,800.0 | View | |
| May 27, 2026 | EVP & General Counsel | S | D | 5,000.0 | 1,586.43 | 7,932,150.0 | 151,783.0 | View | |
| May 27, 2026 | EVP & General Counsel | G | D | 200.0 | 0.0 | 0.0 | 156,783.0 | View | |
| May 20, 2026 | CEO | S | D | 130.0 | 1,521.43 | 197,785.9 | 848,263.0 | View | |
| May 20, 2026 | CEO | S | D | 352.0 | 1,518.15 | 534,388.8 | 848,393.0 | View | |
| May 20, 2026 | CEO | S | D | 551.0 | 1,513.11 | 833,723.61 | 848,745.0 | View | |
| May 20, 2026 | CEO | S | D | 3,769.0 | 1,507.7 | 5,682,521.3 | 849,296.0 | View | |
| May 20, 2026 | CEO | S | D | 2,929.0 | 1,503.05 | 4,402,433.45 | 853,065.0 | View | |
| May 20, 2026 | CEO | S | D | 608.0 | 1,499.46 | 911,671.68 | 855,994.0 | View | |
| May 20, 2026 | CEO | S | D | 862.0 | 1,491.48 | 1,285,655.76 | 856,602.0 | View | |
| May 20, 2026 | CEO | S | D | 6,688.0 | 1,486.76 | 9,943,450.88 | 857,464.0 | View | |
| May 20, 2026 | CEO | S | D | 5,737.0 | 1,482.51 | 8,505,159.87 | 864,152.0 | View | |
| May 20, 2026 | CEO | S | D | 4,082.0 | 1,476.96 | 6,028,950.72 | 869,889.0 | View | |
| May 20, 2026 | CEO | S | D | 5,049.0 | 1,472.84 | 7,436,369.16 | 873,971.0 | View | |
| May 20, 2026 | CEO | S | D | 5,819.0 | 1,467.62 | 8,540,080.78 | 879,020.0 | View | |
| May 20, 2026 | CEO | S | D | 3,424.0 | 1,462.61 | 5,007,976.64 | 884,839.0 | View | |
| May 20, 2026 | Interim CFO | S | D | 4.0 | 1,563.28 | 6,253.12 | 5,900.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 50.0 | 1,585.51 | 79,275.5 | 166,644.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 447.0 | 1,582.21 | 707,247.87 | 166,694.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 703.0 | 1,577.75 | 1,109,158.25 | 167,141.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 1,312.0 | 1,571.49 | 2,061,794.88 | 167,844.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 2,020.0 | 1,567.15 | 3,165,643.0 | 169,156.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 2,010.0 | 1,562.01 | 3,139,640.1 | 171,176.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 1,717.0 | 1,557.48 | 2,674,193.16 | 173,186.0 | View | |
| May 19, 2026 | EVP, WW Sales & Marketing | S | D | 3,741.0 | 1,550.36 | 5,799,896.76 | 174,903.0 | View | |
| May 15, 2026 | EVP, WW Sales & Marketing | G | A | 1,563.0 | 0.0 | 0.0 | 51,023.0 | View | |
| May 15, 2026 | EVP, WW Sales & Marketing | G | D | 1,563.0 | 0.0 | 0.0 | 25,097.0 | View | |
| May 15, 2026 | Interim CFO | J | D | 2,156.0 | 0.0 | 0.0 | 5,904.0 | View | |
| May 08, 2026 | — | S | D | 514.0 | 1,600.14 | 822,471.96 | 5,402.0 | View | |
| May 08, 2026 | — | S | D | 2,619.0 | 1,596.42 | 4,181,023.98 | 5,916.0 | View | |
| May 08, 2026 | — | S | D | 1,355.0 | 1,591.38 | 2,156,319.9 | 8,535.0 | View | |
| May 08, 2026 | — | S | D | 2,587.0 | 1,586.81 | 4,105,077.47 | 9,890.0 | View | |
| May 08, 2026 | — | S | D | 1,879.0 | 1,581.81 | 2,972,220.99 | 12,477.0 | View | |
| May 08, 2026 | — | S | D | 834.0 | 1,575.57 | 1,314,025.38 | 14,356.0 | View | |
| May 08, 2026 | — | S | D | 1,078.0 | 1,571.58 | 1,694,163.24 | 15,190.0 | View | |
| May 08, 2026 | — | S | D | 814.0 | 1,566.36 | 1,275,017.04 | 16,268.0 | View | |
| May 08, 2026 | — | S | D | 320.0 | 1,559.88 | 499,161.6 | 17,082.0 | View | |
| May 08, 2026 | EVP, Global Operations | S | D | 907.0 | 1,661.38 | 1,506,871.66 | 205,959.0 | View | |
| May 08, 2026 | EVP, Global Operations | S | D | 11,597.0 | 1,657.93 | 19,227,014.21 | 206,866.0 | View | |
| May 08, 2026 | EVP, Global Operations | S | D | 14,167.0 | 1,652.8 | 23,415,217.6 | 218,463.0 | View | |
| May 08, 2026 | EVP, Global Operations | S | D | 3,329.0 | 1,648.38 | 5,487,457.02 | 232,630.0 | View | |
| May 08, 2026 | — | S | D | 335.0 | 1,582.68 | 530,197.8 | 1,007.0 | View | |
| May 06, 2026 | — | S | D | 500.0 | 1,650.0 | 825,000.0 | 4,286.0 | View | |
| May 06, 2026 | — | S | D | 500.0 | 1,600.0 | 800,000.0 | 4,786.0 | View | |
| May 06, 2026 | — | S | D | 514.0 | 1,574.48 | 809,282.72 | 5,286.0 | View | |
| May 06, 2026 | EVP, WW Sales & Marketing | S | D | 380.0 | 1,583.81 | 601,847.8 | 919.0 | View | |
| May 06, 2026 | EVP, WW Sales & Marketing | S | D | 30.0 | 1,588.73 | 47,661.9 | 1,209.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 120.0 | 1,321.94 | 158,632.8 | 156,983.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 840.0 | 1,319.25 | 1,108,170.0 | 157,103.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 4,244.0 | 1,312.82 | 5,571,608.08 | 157,943.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 1,279.0 | 1,308.3 | 1,673,315.7 | 162,187.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 800.0 | 1,302.52 | 1,042,016.0 | 163,466.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 400.0 | 1,292.08 | 516,832.0 | 164,266.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 120.0 | 1,287.12 | 154,454.4 | 164,666.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 240.0 | 1,279.55 | 307,092.0 | 164,786.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 360.0 | 1,270.29 | 457,304.4 | 165,026.0 | View | |
| Apr 10, 2026 | EVP & General Counsel | S | D | 560.0 | 1,266.48 | 709,228.8 | 165,386.0 | View |