Monolithic Power Systems Inc (MPWR)
Insider transactions
A complete record of Form 4 filings tracking every share acquisition and disposal by executives, directors, and senior officers. Filterable by date range and transaction type, the table exposes the direct market actions of those with the deepest knowledge of a company's operations — providing a factual, data-driven signal of internal conviction that complements traditional fundamental and technical analysis.
Transaction date | Executive | Executive Title | Security Type | Acquisition / Disposal | Shares | Share price |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 130 | $1,356.94 |
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 10,967 | $1,351.43 |
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 596 | $1,323.31 |
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 5,783 | $1,343.76 |
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,111 | $1,333.34 |
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 2,121 | $1,328.54 |
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 6,343 | $1,347.15 |
| Sep 28, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 2,949 | $1,338.66 |
| Aug 31, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Acquisition | 2,000 | $0 |
| Aug 31, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 2,000 | $0 |
| Aug 24, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Disposal | 5 | $0 |
| Aug 24, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Disposal | 32 | $1,297.72 |
| Aug 24, 2026 | CHANG, KUO WEI HERBERT | Director | Common Stock | Disposal | 50 | $1,281.57 |
| Aug 17, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Disposal | 6 | $1,413.64 |
| Aug 11, 2026 | CHANG, KUO WEI HERBERT | Director | Common Stock | Disposal | 50 | $1,420 |
| Aug 5, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Disposal | 105 | $1,344.27 |
| Aug 4, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Acquisition | 25,000 | $0 |
| Aug 4, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 25,000 | $0 |
| Aug 3, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 30 | $1,343.94 |
| Jul 25, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Acquisition | 1,359 | $0 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 527 | $1,314.03 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,864 | $1,344.16 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 410 | $1,384.11 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 418 | $1,378.73 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 213 | $1,396.16 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 274 | $1,318.42 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,460 | $1,339.59 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 409 | $1,323.93 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 776 | $1,334.59 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 472 | $1,375.47 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 464 | $1,329.30 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 240 | $1,369.18 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 117 | $1,400.45 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 110 | $1,405.71 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 50 | $1,388.19 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 5,640 | $1,352.95 |
| Jul 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,506 | $1,348.91 |
| Jul 1, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 30 | $1,351.61 |
| Jun 1, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 30 | $1,533.95 |
| May 29, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 12,472 | $0 |
| May 27, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 7,565 | $1,700 |
| May 26, 2026 | ZHOU, JEFF | Director | Common Stock | Disposal | 486 | $1,680 |
| May 26, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Disposal | 22 | $1,649.56 |
| May 22, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 5,000 | $1,586.43 |
| May 22, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 200 | $0 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 5,737 | $1,482.51 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 6,688 | $1,486.76 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 2,929 | $1,503.05 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 4,082 | $1,476.96 |
| May 18, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Disposal | 4 | $1,563.28 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 352 | $1,518.15 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 608 | $1,499.46 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 3,424 | $1,462.61 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 5,819 | $1,467.62 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 130 | $1,521.43 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 862 | $1,491.48 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 551 | $1,513.11 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 5,049 | $1,472.84 |
| May 18, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 3,769 | $1,507.70 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 3,741 | $1,550.36 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 50 | $1,585.51 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,312 | $1,571.49 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 2,010 | $1,562.01 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 447 | $1,582.21 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 2,020 | $1,567.15 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 703 | $1,577.75 |
| May 15, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,717 | $1,557.48 |
| May 13, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,563 | $0 |
| May 13, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Acquisition | 1,563 | $0 |
| May 13, 2026 | DEAN, ROBERT W II | Interim CFO | Common Stock | Disposal | 2,156 | $0 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 1,355 | $1,591.38 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 320 | $1,559.88 |
| May 6, 2026 | WYNNE, EILEEN | Director | Common Stock | Disposal | 335 | $1,582.68 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 514 | $1,600.14 |
| May 6, 2026 | ZHOU, JEFF | Director | Common Stock | Disposal | 500 | $1,650 |
| May 6, 2026 | XIAO, DEMING | EVP, Global Operations | Common Stock | Disposal | 907 | $1,661.38 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 834 | $1,575.57 |
| May 6, 2026 | XIAO, DEMING | EVP, Global Operations | Common Stock | Disposal | 3,329 | $1,648.38 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 2,619 | $1,596.42 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 2,587 | $1,586.81 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 1,879 | $1,581.81 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 814 | $1,566.36 |
| May 6, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Disposal | 1,078 | $1,571.58 |
| May 6, 2026 | XIAO, DEMING | EVP, Global Operations | Common Stock | Disposal | 11,597 | $1,657.93 |
| May 6, 2026 | XIAO, DEMING | EVP, Global Operations | Common Stock | Disposal | 14,167 | $1,652.80 |
| May 5, 2026 | ZHOU, JEFF | Director | Common Stock | Disposal | 514 | $1,574.48 |
| May 5, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 380 | $1,583.81 |
| May 5, 2026 | ZHOU, JEFF | Director | Common Stock | Disposal | 500 | $1,600 |
| May 4, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 30 | $1,588.73 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 4,244 | $1,312.82 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,279 | $1,308.30 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 240 | $1,279.55 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 120 | $1,321.94 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 120 | $1,287.12 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 560 | $1,266.48 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 840 | $1,319.25 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 800 | $1,302.52 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 360 | $1,270.29 |
| Apr 8, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 400 | $1,292.08 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 2,036 | $1,170.38 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,396 | $1,179.50 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 556 | $1,144.42 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 684 | $1,165.66 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 560 | $1,159.62 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 480 | $1,149.05 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 244 | $1,139.96 |
| Apr 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,680 | $1,176.35 |
| Apr 1, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 30 | $1,116.44 |
| Apr 1, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 576 | $1,131.24 |
| Apr 1, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 160 | $1,134.14 |
| Apr 1, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 184 | $1,132.15 |
| Apr 1, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 188 | $1,135.91 |
| Apr 1, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 292 | $1,136.99 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 5,154 | $1,000.81 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 9,080 | $1,005.18 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 80 | $1,041.12 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 166 | $1,035.60 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 3,360 | $1,009.63 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 2,440 | $1,029.21 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 2,200 | $1,023 |
| Mar 30, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 3,194 | $1,017.22 |
| Mar 20, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 30 | $1,095.07 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 3,640 | $1,205.82 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 4,992 | $1,159.84 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,440 | $1,217.12 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,440 | $1,200.81 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 600 | $1,194.34 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 480 | $1,180.79 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 200 | $1,173.39 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 160 | $1,188.23 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 12,731 | $1,155.71 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 4,001 | $1,164.92 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 2,076 | $1,168.80 |
| Feb 12, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,240 | $1,210.11 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 649 | $1,202.28 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 2,104 | $1,188.17 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 363 | $1,158.71 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,987 | $1,172.92 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,542 | $1,182.82 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,366 | $1,163.71 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,533 | $1,167.62 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 14,578 | $1,197.20 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 2,799 | $1,177.67 |
| Feb 11, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 200 | $1,179.98 |
| Feb 11, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 6,079 | $1,192.67 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 3,864 | $1,145.90 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 694 | $1,154.96 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 16,080 | $1,141.88 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 4,302 | $1,132.01 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 6,325 | $1,136.75 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 1,215 | $1,151.11 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 880 | $1,176.04 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 360 | $1,161.41 |
| Feb 10, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 280 | $1,197.26 |
| Feb 9, 2026 | LEE, VICTOR K | Director | Common Stock | Disposal | 400 | $1,212.16 |
| Feb 6, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 21,725 | $1,171.16 |
| Feb 6, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 54,923 | $1,171.16 |
| Feb 6, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 22,875 | $1,171.16 |
| Feb 6, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 22,875 | $1,171.16 |
| Feb 6, 2026 | XIAO, DEMING | EVP, Global Operations | Common Stock | Disposal | 22,875 | $1,171.16 |
| Feb 3, 2026 | WYNNE, EILEEN | Director | Common Stock | Acquisition | 189 | $0 |
| Feb 3, 2026 | LEE, VICTOR K | Director | Common Stock | Acquisition | 189 | $0 |
| Feb 3, 2026 | MARTINEZ, CARINTIA | Director | Common Stock | Acquisition | 189 | $0 |
| Feb 3, 2026 | CHANG, KUO WEI HERBERT | Director | Common Stock | Acquisition | 189 | $0 |
| Feb 3, 2026 | HSING, MICHAEL | Director, CEO | Common Stock | Acquisition | 136,825 | $0 |
| Feb 3, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Acquisition | 38,745 | $0 |
| Feb 3, 2026 | TSENG, SARIA | EVP & General Counsel | Common Stock | Acquisition | 57,170 | $0 |
| Feb 3, 2026 | ZHOU, JEFF | Director | Common Stock | Acquisition | 189 | $0 |
| Feb 3, 2026 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Acquisition | 57,170 | $0 |
| Feb 3, 2026 | ELMIGER, EUGEN J | Director | Common Stock | Acquisition | 189 | $0 |
| Feb 3, 2026 | XIAO, DEMING | EVP, Global Operations | Common Stock | Acquisition | 57,170 | $0 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 240 | $1,128.43 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 240 | $1,128.43 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 200 | $1,126.58 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 198 | $1,131.70 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 220 | $1,110.58 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 320 | $1,130.48 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 120 | $1,136.35 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 120 | $1,135.49 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $1,139.49 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $1,127.39 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $1,137.81 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $1,139.49 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $1,117.11 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $1,117.11 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 379 | $1,133.47 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 241 | $1,134.41 |
| Feb 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 322 | $1,132.67 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 539 | $943.71 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 460 | $938.52 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 120 | $936.50 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 194 | $930.86 |
| Jan 2, 2026 | LEE, VICTOR K | Director | Common Stock | Disposal | 600 | $930.86 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 74 | $942.42 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $946.62 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $933.64 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $935.33 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $927.61 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 117 | $939.75 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $940.03 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $940.03 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $945 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 406 | $941.60 |
| Jan 2, 2026 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 650 | $944.35 |
| Dec 24, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Acquisition | 1,000 | $0 |
| Dec 24, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,000 | $0 |
| Dec 24, 2025 | LEE, VICTOR K | Director | Common Stock | Disposal | 200 | $953.70 |
| Dec 24, 2025 | LEE, VICTOR K | Director | Common Stock | Disposal | 160 | $951.60 |
| Dec 24, 2025 | LEE, VICTOR K | Director | Common Stock | Disposal | 80 | $955.08 |
| Dec 24, 2025 | LEE, VICTOR K | Director | Common Stock | Disposal | 83 | $952.37 |
| Dec 24, 2025 | LEE, VICTOR K | Director | Common Stock | Disposal | 280 | $950.64 |
| Dec 24, 2025 | LEE, VICTOR K | Director | Common Stock | Disposal | 197 | $949.70 |
| Dec 9, 2025 | HSING, MICHAEL | Director, CEO | Common Stock | Disposal | 12,337 | $0 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $902.31 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $899.73 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 40 | $902.31 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 120 | $904.38 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 56 | $911.59 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $906.84 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $906.84 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 80 | $901.88 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 480 | $908.69 |
| Dec 1, 2025 | BLEGEN, THEODORE | EVP and CFO | Common Stock | Disposal | 1,984 | $909 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,126 | $925.55 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,327 | $924.32 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 2,238 | $929.29 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 10,360 | $926.02 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 984 | $928.60 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,200 | $923.54 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 680 | $930.48 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 240 | $922.78 |
| Nov 26, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,845 | $927.41 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 120 | $902.07 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 240 | $912.30 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 272 | $906.33 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 160 | $903.54 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 160 | $903.54 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 200 | $904.39 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 2,066 | $896.37 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 1,625 | $895.63 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 556 | $909.35 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 346 | $900.41 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 145 | $898.38 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 359 | $910.42 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 10,200 | $907.21 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 385 | $894.54 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 754 | $897.54 |
| Nov 25, 2025 | CHANG, KUO WEI HERBERT | Director | Common Stock | Disposal | 100 | $896.97 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 320 | $899.37 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 324 | $911.92 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 888 | $908.49 |
| Nov 25, 2025 | TSENG, SARIA | EVP & General Counsel | Common Stock | Disposal | 880 | $901.58 |
| Nov 24, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 3,976 | $895.23 |
| Nov 21, 2025 | CHANG, KUO WEI HERBERT | Director | Common Stock | Disposal | 100 | $873.97 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,842 | $869.39 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 431 | $875.26 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 339 | $866.19 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 574 | $872.80 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 2,469 | $881.42 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 2,149 | $884.44 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 6,513 | $883.50 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,966 | $879.54 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,854 | $878.55 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 810 | $886.01 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 699 | $867.57 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 731 | $874.50 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 723 | $868.42 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 3,776 | $880.58 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 320 | $870.36 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 160 | $863.86 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 240 | $862.58 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 220 | $871.45 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 40 | $865.89 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 3,344 | $882.51 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,976 | $877.45 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 940 | $876.62 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,738 | $885.10 |
| Nov 19, 2025 | SCIAMMAS, MAURICE | EVP, WW Sales & Marketing | Common Stock | Disposal | 1,146 | $873.78 |