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Monolithic Power Systems, Inc. (MPWR)

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
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702.54-5.48 (-0.77%)
At close: 04:00PM EDT
700.80 -1.74 (-0.25%)
After hours: 05:05PM EDT

Insider Transactions

Currency in USD
Insider Purchases Last 6 MonthsSharesTrans
Purchases18,79912
Sales297,93642
Net Shares Purchased (Sold)-279,13754
Total Insider Shares Held1.87MN/A
% Net Shares Purchased (Sold)-13.00%N/A
Net Institutional Purchases Prior Quarter to Latest QuarterShares
Net Shares Purchased (Sold)N/A
% Change in Institutional Shares HeldN/A

Insider Transactions Reported - Last Two Years

InsiderTransactionTypeValueDateShares

HSING MICHAEL R
Chief Executive Officer

Sale at price 690.00 per share.Direct1,948,560May 08, 20242,824

XIAO DEMING
Officer

Sale at price 690.02 per share.Direct599,627May 08, 2024869

TSENG SARIA H
General Counsel

Sale at price 690.02 per share.Direct599,627May 08, 2024869

SCIAMMAS MAURICE
Officer

Sale at price 690.00 per share.Direct599,610May 08, 2024869

BLEGEN THEODORE
Chief Financial Officer

Sale at price 689.98 per share.Direct508,515May 08, 2024737

HSING MICHAEL R
Chief Executive Officer

Sale at price 652.81 - 670.09 per share.Direct5,294,840May 01, 20248,000

BLEGEN THEODORE
Chief Financial Officer

Sale at price 658.90 - 670.08 per share.Direct1,658,215May 01, 20242,500

SCIAMMAS MAURICE
Officer

Sale at price 668.76 - 690.15 per share.Direct7,500,104Apr 08, 202411,000

HSING MICHAEL R
Chief Executive Officer

Sale at price 670.56 - 687.45 per share.Direct5,419,521Apr 01, 20248,000

SCIAMMAS MAURICE
Officer

Stock Gift at price 0.00 per share.Indirect0Apr 01, 20241,172

BLEGEN THEODORE
Chief Financial Officer

Sale at price 670.56 - 687.44 per share.Direct1,693,493Apr 01, 20242,500

HSING MICHAEL R
Chief Executive Officer

Sale at price 716.82 - 733.37 per share.Direct5,808,620Mar 01, 20248,000

BLEGEN THEODORE
Chief Financial Officer

Sale at price 718.35 - 733.37 per share.Direct1,814,388Mar 01, 20242,500

CHANG KUO WEI HERBERT
Director

Sale at price 706.34 per share.Direct176,585Feb 29, 2024250

CHANG KUO WEI HERBERT
Director

Sale at price 750.00 per share.Direct187,500Feb 22, 2024250

MOYER JAMES C
Director

Stock Gift at price 0.00 per share.Indirect0Feb 13, 20244,000

MOYER JAMES C
Director

Stock Gift at price 0.00 per share.Indirect0Feb 12, 20244,000

ZHOU JEFFREY
Director

Sale at price 750.57 per share.Direct150,114Feb 12, 2024200

HSING MICHAEL R
Chief Executive Officer

Sale at price 680.00 per share.Direct1,897,200Feb 08, 20242,790

XIAO DEMING
Officer

Sale at price 680.00 per share.Direct584,120Feb 08, 2024859

TSENG SARIA H
General Counsel

Sale at price 680.00 per share.Direct584,120Feb 08, 2024859

SCIAMMAS MAURICE
Officer

Sale at price 680.00 per share.Direct584,120Feb 08, 2024859

BLEGEN THEODORE
Chief Financial Officer

Sale at price 680.00 per share.Direct495,040Feb 08, 2024728

LEE VICTOR K
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 06, 2024348

CHANG KUO WEI HERBERT
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 06, 2024348

MOYER JAMES C
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 06, 2024348

ZHOU JEFFREY
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 06, 2024348

ELMIGER EUGEN J
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 06, 2024348

WYNNE EILEEN
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 06, 2024348

MARTINEZ CARINTIA
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 06, 2024348

HSING MICHAEL R
Chief Executive Officer

Sale at price 641.00 per share.Direct2,430,031Feb 05, 20243,791

XIAO DEMING
Officer

Sale at price 641.00 per share.Direct629,462Feb 05, 2024982

TSENG SARIA H
General Counsel

Sale at price 641.00 per share.Direct629,462Feb 05, 2024982

SCIAMMAS MAURICE
Officer

Sale at price 641.00 per share.Direct629,462Feb 05, 2024982

BLEGEN THEODORE
Chief Financial Officer

Sale at price 641.00 per share.Direct555,747Feb 05, 2024867

HSING MICHAEL R
Chief Executive Officer

Sale at price 594.81 - 609.39 per share.Direct4,816,043Feb 01, 20248,000

BLEGEN THEODORE
Chief Financial Officer

Sale at price 600.37 - 609.39 per share.Direct1,508,138Feb 01, 20242,500

SCIAMMAS MAURICE
Officer

Sale at price 577.66 - 589.29 per share.Direct6,403,239Jan 12, 202411,000

XIAO DEMING
Officer

Sale at price 584.39 - 596.19 per share.Direct6,786,331Jan 10, 202411,515

TSENG SARIA H
General Counsel

Sale at price 600.00 per share.Direct834,000Jan 09, 20241,390

HSING MICHAEL R
Chief Executive Officer

Sale at price 568.36 - 577.01 per share.Direct4,578,223Jan 05, 20248,000

HSING MICHAEL R
Chief Executive Officer

Sale at price 583.14 per share.Direct34,203,494Jan 04, 202458,654

XIAO DEMING
Officer

Sale at price 583.14 per share.Direct14,761,606Jan 04, 202425,314

TSENG SARIA H
General Counsel

Sale at price 583.14 per share.Direct14,761,606Jan 04, 202425,314

SCIAMMAS MAURICE
Officer

Sale at price 583.14 per share.Direct16,129,069Jan 04, 202427,659

BLEGEN THEODORE
Chief Financial Officer

Sale at price 583.14 per share.Direct16,102,245Jan 04, 202427,613

BLEGEN THEODORE
Chief Financial Officer

Sale at price 610.93 - 620.50 per share.Direct1,539,272Jan 02, 20242,500

BLEGEN THEODORE
Chief Financial Officer

Sale at price 627.99 - 634.67 per share.Direct1,578,398Dec 18, 20232,500

TSENG SARIA H
General Counsel

Sale at price 600.00 per share.Direct11,166,000Dec 13, 202318,610

MOYER JAMES C
Director

Stock Gift at price 0.00 per share.Indirect0Nov 16, 20233,800

MOYER JAMES C
Director

Sale at price 538.34 - 540.18 per share.Indirect2,047,973Nov 16, 20233,800

CHANG KUO WEI HERBERT
Director

Sale at price 523.64 per share.Direct209,456Nov 14, 2023400

XIAO DEMING
Officer

Stock Gift at price 0.00 per share.Direct0Nov 14, 20233,391

CHANG KUO WEI HERBERT
Director

Sale at price 510.00 per share.Direct51,000Nov 13, 2023100

HSING MICHAEL R
Chief Executive Officer

Sale at price 490.39 per share.Direct1,368,188Nov 08, 20232,790

XIAO DEMING
Officer

Sale at price 490.39 per share.Direct421,245Nov 08, 2023859

TSENG SARIA H
General Counsel

Sale at price 490.39 per share.Direct421,245Nov 08, 2023859

SCIAMMAS MAURICE
Officer

Sale at price 490.39 per share.Direct421,245Nov 08, 2023859

BLEGEN THEODORE
Chief Financial Officer

Sale at price 490.39 per share.Direct349,158Nov 08, 2023712

HSING MICHAEL R
Chief Executive Officer

Sale at price 492.92 per share.Direct1,868,167Nov 06, 20233,790

XIAO DEMING
Officer

Sale at price 492.92 per share.Direct484,047Nov 06, 2023982

TSENG SARIA H
General Counsel

Sale at price 492.92 per share.Direct484,047Nov 06, 2023982

SCIAMMAS MAURICE
Officer

Sale at price 492.92 per share.Direct484,047Nov 06, 2023982

BLEGEN THEODORE
Chief Financial Officer

Sale at price 492.92 per share.Direct417,503Nov 06, 2023847

HSING MICHAEL R
Chief Executive Officer

Sale at price 458.30 per share.Direct5,022,968Oct 02, 202310,960

XIAO DEMING
Officer

Sale at price 458.30 per share.Direct1,972,982Oct 02, 20234,305

TSENG SARIA H
General Counsel

Sale at price 458.30 per share.Direct1,972,982Oct 02, 20234,305

SCIAMMAS MAURICE
Officer

Sale at price 458.30 per share.Direct1,972,982Oct 02, 20234,305

BLEGEN THEODORE
Chief Financial Officer

Sale at price 458.30 per share.Direct414,762Oct 02, 2023905

CHANG KUO WEI HERBERT
Director

Sale at price 500.00 per share.Direct250,000Aug 29, 2023500

HSING MICHAEL R
Chief Executive Officer

Sale at price 530.26 per share.Direct1,503,817Aug 08, 20232,836

XIAO DEMING
Officer

Sale at price 530.26 per share.Direct463,447Aug 08, 2023874

TSENG SARIA H
General Counsel

Sale at price 530.27 per share.Direct463,456Aug 08, 2023874

SCIAMMAS MAURICE
Officer

Sale at price 530.26 per share.Direct463,447Aug 08, 2023874

BLEGEN THEODORE
Chief Financial Officer

Sale at price 530.28 per share.Direct383,923Aug 08, 2023724

HSING MICHAEL R
Chief Executive Officer

Sale at price 526.54 per share.Direct2,008,750Aug 04, 20233,815

XIAO DEMING
Officer

Sale at price 526.53 per share.Direct520,212Aug 04, 2023988

TSENG SARIA H
General Counsel

Sale at price 526.52 per share.Direct520,202Aug 04, 2023988

SCIAMMAS MAURICE
Officer

Sale at price 526.52 per share.Direct520,202Aug 04, 2023988

BLEGEN THEODORE
Chief Financial Officer

Sale at price 526.52 per share.Direct448,595Aug 04, 2023852

HSING MICHAEL R
Chief Executive Officer

Sale at price 534.23 per share.Direct15,409,864Jul 21, 202328,845

XIAO DEMING
Officer

Sale at price 534.23 per share.Direct5,136,621Jul 21, 20239,615

TSENG SARIA H
General Counsel

Sale at price 534.23 per share.Direct5,136,621Jul 21, 20239,615

SCIAMMAS MAURICE
Officer

Sale at price 534.23 per share.Direct5,258,426Jul 21, 20239,843

BLEGEN THEODORE
Chief Financial Officer

Sale at price 534.23 per share.Direct4,046,792Jul 21, 20237,575

HSING MICHAEL R
Chief Executive Officer

Sale at price 537.79 per share.Direct5,894,178Jul 03, 202310,960

XIAO DEMING
Officer

Sale at price 537.79 per share.Direct2,315,186Jul 03, 20234,305

TSENG SARIA H
General Counsel

Sale at price 537.79 per share.Direct2,315,186Jul 03, 20234,305

SCIAMMAS MAURICE
Officer

Sale at price 537.79 per share.Direct2,315,186Jul 03, 20234,305

BLEGEN THEODORE
Chief Financial Officer

Sale at price 537.79 per share.Direct486,700Jul 03, 2023905

HSING MICHAEL R
Chief Executive Officer

Sale at price 409.78 per share.Direct1,141,237May 09, 20232,785

XIAO DEMING
Officer

Sale at price 409.79 per share.Direct351,190May 09, 2023857

TSENG SARIA H
General Counsel

Sale at price 409.81 per share.Direct351,207May 09, 2023857

SCIAMMAS MAURICE
Officer

Sale at price 409.78 per share.Direct351,181May 09, 2023857

BLEGEN THEODORE
Chief Financial Officer

Sale at price 409.78 per share.Direct291,354May 09, 2023711

HSING MICHAEL R
Chief Executive Officer

Sale at price 459.60 per share.Direct1,757,970May 04, 20233,825

XIAO DEMING
Officer

Sale at price 459.60 per share.Direct455,464May 04, 2023991

TSENG SARIA H
General Counsel

Sale at price 459.60 per share.Direct455,464May 04, 2023991

SCIAMMAS MAURICE
Officer

Sale at price 459.60 per share.Direct455,464May 04, 2023991

BLEGEN THEODORE
Chief Financial Officer

Sale at price 459.60 per share.Direct392,498May 04, 2023854

HSING MICHAEL R
Chief Executive Officer

Sale at price 463.55 per share.Direct5,211,229May 03, 202311,242

XIAO DEMING
Officer

Sale at price 463.55 per share.Direct1,604,810May 03, 20233,462

TSENG SARIA H
General Counsel

Sale at price 463.55 per share.Direct1,604,810May 03, 20233,462

SCIAMMAS MAURICE
Officer

Sale at price 463.55 per share.Direct1,604,810May 03, 20233,462

BLEGEN THEODORE
Chief Financial Officer

Sale at price 463.55 per share.Direct1,330,388May 03, 20232,870

HSING MICHAEL R
Chief Executive Officer

Stock Award(Grant) at price 0.00 per share.Direct0May 02, 202328,210

XIAO DEMING
Officer

Stock Award(Grant) at price 0.00 per share.Direct0May 02, 20238,685

TSENG SARIA H
General Counsel

Stock Award(Grant) at price 0.00 per share.Direct0May 02, 20238,685

SCIAMMAS MAURICE
Officer

Stock Award(Grant) at price 0.00 per share.Direct0May 02, 20238,685

BLEGEN THEODORE
Chief Financial Officer

Stock Award(Grant) at price 0.00 per share.Direct0May 02, 20235,714

HSING MICHAEL R
Chief Executive Officer

Sale at price 487.99 per share.Direct5,416,689Apr 03, 202311,100

XIAO DEMING
Officer

Sale at price 487.99 per share.Direct2,127,636Apr 03, 20234,360

TSENG SARIA H
General Counsel

Sale at price 487.99 per share.Direct2,127,636Apr 03, 20234,360

SCIAMMAS MAURICE
Officer

Sale at price 487.99 per share.Direct2,127,636Apr 03, 20234,360

BLEGEN THEODORE
Chief Financial Officer

Sale at price 487.99 per share.Direct448,951Apr 03, 2023920

BLEGEN THEODORE
Chief Financial Officer

Sale at price 520.94 - 521.44 per share.Direct2,605,650Feb 16, 20235,000

XIAO DEMING
Officer

Sale at price 530.00 per share.Direct793,410Feb 15, 20231,497

SCIAMMAS MAURICE
Officer

Sale at price 517.68 - 520.90 per share.Direct6,754,010Feb 15, 202313,000

HSING MICHAEL R
Chief Executive Officer

Sale at price 492.31 per share.Direct3,117,799Feb 13, 20236,333

XIAO DEMING
Officer

Sale at price 492.31 per share.Direct806,896Feb 13, 20231,639

TSENG SARIA H
General Counsel

Sale at price 492.31 per share.Direct806,896Feb 13, 20231,639

SCIAMMAS MAURICE
Officer

Sale at price 492.31 per share.Direct806,896Feb 13, 20231,639

BLEGEN THEODORE
Chief Financial Officer

Sale at price 492.31 per share.Direct675,942Feb 13, 20231,373

XIAO DEMING
Officer

Sale at price 520.00 per share.Direct1,107,080Feb 09, 20232,129

HSING MICHAEL R
Chief Executive Officer

Sale at price 462.41 per share.Direct10,396,364Feb 08, 202322,483

XIAO DEMING
Officer

Sale at price 462.41 per share.Direct3,200,802Feb 08, 20236,922

TSENG SARIA H
General Counsel

Sale at price 462.41 per share.Direct3,200,802Feb 08, 20236,922

SCIAMMAS MAURICE
Officer

Sale at price 462.41 per share.Direct3,200,802Feb 08, 20236,922

BLEGEN THEODORE
Chief Financial Officer

Sale at price 462.41 per share.Direct2,628,338Feb 08, 20235,684

LEE VICTOR K
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023470

CHANG KUO WEI HERBERT
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023470

HSING MICHAEL R
Chief Executive Officer

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023112,839

MOYER JAMES C
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023470

XIAO DEMING
Officer

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 202334,740

TSENG SARIA H
General Counsel

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 202334,740

SCIAMMAS MAURICE
Officer

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 202334,740

BLEGEN THEODORE
Chief Financial Officer

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 202322,857

ZHOU JEFFREY
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023470

ELMIGER EUGEN J
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023470

WYNNE EILEEN
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023470

MARTINEZ CARINTIA
Director

Stock Award(Grant) at price 0.00 per share.Direct0Feb 07, 2023470

HSING MICHAEL R
Chief Executive Officer

Sale at price 446.88 per share.Direct1,649,434Feb 06, 20233,691

XIAO DEMING
Officer

Sale at price 446.88 per share.Direct323,094Feb 06, 2023723

TSENG SARIA H
General Counsel

Sale at price 446.88 per share.Direct323,094Feb 06, 2023723

SCIAMMAS MAURICE
Officer

Sale at price 446.87 per share.Direct323,087Feb 06, 2023723

BLEGEN THEODORE
Chief Financial Officer

Sale at price 446.87 per share.Direct271,697Feb 06, 2023608

XIAO DEMING
Officer

Sale at price 430.00 per share.Direct4,404,490Jan 24, 202310,243

XIAO DEMING
Officer

Sale at price 400.00 per share.Direct1,192,000Jan 12, 20232,980

HSING MICHAEL R
Chief Executive Officer

Sale at price 344.96 per share.Direct5,135,764Jan 03, 202314,888

XIAO DEMING
Officer

Sale at price 344.96 per share.Direct1,906,939Jan 03, 20235,528