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Nasdaq · USD

MPWR

MONOLITHIC POWER SYSTEMS, INC.

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Tapewire entity
877
SEC CIK
0001280452
Parsed reports
919

Last 12 months

Inside the activity.

0 purchase rows · 313 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 20250114
Dec 2025016
Jan 2026016
Feb 2026055
Mar 202609
Apr 2026024
May 2026045
Jun 202601
Jul 2026019
Aug 202606
Sep 202608
Oct 202600

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 21, 2018 Filed Aug 22, 2018 20:03 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 5,731 $143.83 $824,304.63
Disclosure

SEC source: 0001437749-18-016014 · rdgdoc.xml · nonDerivative · entry 2

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 284,474

F2 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F3 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $142.19 to $144.76. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
August 20, 2018 Filed Aug 20, 2018 22:02 UTC SaleCommon Stock 50 $141.00 $7,050.00
Disclosure

SEC source: 0001280452-18-000108 · edgardoc.xml · nonDerivative · entry 2

Blegen Theodore · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,075

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 17, 2018 Filed Aug 20, 2018 22:02 UTC SaleCommon Stock 131 $139.56 $18,282.36
Disclosure

SEC source: 0001280452-18-000108 · edgardoc.xml · nonDerivative · entry 1

Blegen Theodore · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,125

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 15, 2018 Filed Aug 22, 2018 20:03 UTC
Tseng SariaVP & General Counsel
OtherCommon Stock 64 $98.74 $6,319.65
Disclosure

SEC source: 0001437749-18-016014 · rdgdoc.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 290,205

F1 · kind: Acquired through the Company's qualified ESPP program.

Read SEC document
August 15, 2018 Filed Aug 27, 2018 21:01 UTC
Xiao DemingPres. of MPS Asia Operations
OtherCommon Stock 73 $98.74 $7,208.35
Disclosure

SEC source: 0001280452-18-000110 · edgardoc.xml · nonDerivative · entry 1

Xiao Deming · CIK 0001308647 · Pres. of MPS Asia Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 314,002

F1 · kind: Acquired through the Company's qualified ESPP program.

Read SEC document
August 14, 2018 Filed Aug 16, 2018 20:50 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 9,337 $141.02 $1,316,740.15
Disclosure

SEC source: 0001280452-18-000106 · edgardoc.xml · nonDerivative · entry 2

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 379,881

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $140.92 to $141.10. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
August 14, 2018 Filed Aug 16, 2018 20:50 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 1,400 $140.97 $197,358.00
Disclosure

SEC source: 0001280452-18-000106 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 389,218

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

Read SEC document
August 14, 2018 Filed Aug 16, 2018 20:44 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 17,634 $141.05 $2,487,212.22
Disclosure

SEC source: 0001280452-18-000105 · edgardoc.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,115,369

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $139.56 to $141.45. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
August 10, 2018 Filed Aug 14, 2018 21:43 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 11,081 $138.93 $1,539,452.30
Disclosure

SEC source: 0001280452-18-000102 · edgardoc.xml · nonDerivative · entry 1

Xiao Deming · CIK 0001308647 · Pres. of MPS Asia Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 313,929

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $138.90 to $138.953. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
August 06, 2018 Filed Aug 7, 2018 21:34 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 1,710 $135.99 $232,548.37
Disclosure

SEC source: 0001280452-18-000100 · edgardoc.xml · nonDerivative · entry 2

Xiao Deming · CIK 0001308647 · Pres. of MPS Asia Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 325,010

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 06, 2018 Filed Aug 7, 2018 21:33 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 2,154 $135.99 $292,929.35
Disclosure

SEC source: 0001280452-18-000099 · edgardoc.xml · nonDerivative · entry 2

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 390,618

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 06, 2018 Filed Aug 7, 2018 21:25 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 5,629 $135.99 $765,505.72
Disclosure

SEC source: 0001280452-18-000098 · edgardoc.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,133,003

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 06, 2018 Filed Aug 7, 2018 21:12 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 1,710 $135.99 $232,548.37
Disclosure

SEC source: 0001437749-18-014772 · rdgdoc.xml · nonDerivative · entry 2

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 290,141

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 21:34 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 3,019 $135.45 $408,937.14
Disclosure

SEC source: 0001280452-18-000100 · edgardoc.xml · nonDerivative · entry 1

Xiao Deming · CIK 0001308647 · Pres. of MPS Asia Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 326,720

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 21:33 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 3,564 $135.45 $482,759.84
Disclosure

SEC source: 0001280452-18-000099 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 392,772

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 21:25 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 9,943 $135.45 $1,346,824.09
Disclosure

SEC source: 0001280452-18-000098 · edgardoc.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,138,632

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
August 03, 2018 Filed Aug 7, 2018 21:12 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 3,019 $135.45 $408,937.14
Disclosure

SEC source: 0001437749-18-014772 · rdgdoc.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 291,851

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
July 09, 2018 Filed Jul 10, 2018 20:16 UTC SaleCommon Stock 15,000 $137.31 $2,059,651.50
Disclosure

SEC source: 0001280452-18-000094 · edgardoc.xml · nonDerivative · entry 1

Moyer James C · CIK 0001308656 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 641,815

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $136.57 to $138.80. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
July 02, 2018 Filed Jul 3, 2018 19:13 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 20,000 $132.97 $2,659,494.00
Disclosure

SEC source: 0001280452-18-000092 · edgardoc.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,148,575

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $131.94 to $133.95. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
June 01, 2018 Filed Jun 4, 2018 21:24 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 20,000 $133.05 $2,660,936.00
Disclosure

SEC source: 0001280452-18-000090 · edgardoc.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,168,575

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $132.26 to $133.88. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 29, 2018 Filed May 30, 2018 21:20 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 6,900 $131.38 $906,499.92
Disclosure

SEC source: 0001280452-18-000088 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 396,336

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $131.25 to $131.50. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 22, 2018 Filed May 24, 2018 20:13 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 6,161 $130.10 $801,543.02
Disclosure

SEC source: 0001280452-18-000086 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 403,236

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $130.00 to $130.35. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 21, 2018 Filed May 22, 2018 21:03 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 4,723 $130.93 $618,394.67
Disclosure

SEC source: 0001437749-18-010517 · rdgdoc.xml · nonDerivative · entry 2

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 294,870

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F3 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $130.25 to $131.79. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 21, 2018 Filed May 22, 2018 21:03 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 347 $130.55 $45,299.39
Disclosure

SEC source: 0001437749-18-010517 · rdgdoc.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 299,593

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $130.54 to $130.55. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer,full information regarding the number of shares sold at each separate price.

Read SEC document
May 18, 2018 Filed May 21, 2018 21:05 UTC SaleCommon Stock 50 $128.96 $6,448.00
Disclosure

SEC source: 0001280452-18-000081 · edgardoc.xml · nonDerivative · entry 2

Blegen Theodore · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,256

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 18, 2018 Filed May 21, 2018 21:46 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 3,000 $129.23 $387,687.00
Disclosure

SEC source: 0001280452-18-000082 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 409,397

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $128.57 to $129.97. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 18, 2018 Filed May 22, 2018 21:16 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 4,816 $130.00 $626,080.00
Disclosure

SEC source: 0001280452-18-000084 · edgardoc.xml · nonDerivative · entry 1

Xiao Deming · CIK 0001308647 · Pres. of MPS Asia Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 329,739

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

Read SEC document
May 17, 2018 Filed May 21, 2018 21:05 UTC SaleCommon Stock 130 $127.37 $16,558.10
Disclosure

SEC source: 0001280452-18-000081 · edgardoc.xml · nonDerivative · entry 1

Blegen Theodore · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,306

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 14, 2018 Filed May 15, 2018 21:14 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 17,633 $126.75 $2,235,051.52
Disclosure

SEC source: 0001280452-18-000077 · edgardoc.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,188,575

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $126.03 to $128.81. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 07, 2018 Filed May 7, 2018 21:18 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 1,600 $125.00 $200,000.00
Disclosure

SEC source: 0001280452-18-000071 · edgardoc.xml · nonDerivative · entry 3

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 412,397

F2 · kind: In accordance with the reporting person's 10b5-1 trading plan.

Read SEC document
May 07, 2018 Filed May 9, 2018 21:57 UTC SaleCommon Stock 10,000 $124.89 $1,248,900.00
Disclosure

SEC source: 0001280452-18-000075 · edgardoc.xml · nonDerivative · entry 1

Moyer James C · CIK 0001308656 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 656,815

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

F2 · shares: Represents shares held in spouse name.

F3 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $124.84 to $125.12. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
May 04, 2018 Filed May 7, 2018 21:20 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 2,101 $122.66 $257,713.91
Disclosure

SEC source: 0001280452-18-000073 · edgardoc.xml · nonDerivative · entry 3

Xiao Deming · CIK 0001308647 · Pres. of MPS Asia Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 334,555

F2 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 04, 2018 Filed May 7, 2018 21:19 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 6,916 $122.66 $848,333.85
Disclosure

SEC source: 0001280452-18-000072 · edgardoc.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,206,208

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 04, 2018 Filed May 7, 2018 21:18 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 2,153 $122.66 $264,092.36
Disclosure

SEC source: 0001280452-18-000071 · edgardoc.xml · nonDerivative · entry 2

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 413,997

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 04, 2018 Filed May 7, 2018 21:10 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 2,136 $122.66 $262,007.10
Disclosure

SEC source: 0001437749-18-008879 · rdgdoc.xml · nonDerivative · entry 2

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 299,940

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 03, 2018 Filed May 7, 2018 21:20 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 3,542 $118.43 $419,484.02
Disclosure

SEC source: 0001280452-18-000073 · edgardoc.xml · nonDerivative · entry 2

Xiao Deming · CIK 0001308647 · Pres. of MPS Asia Operations

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 336,656

F2 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 03, 2018 Filed May 7, 2018 21:19 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 11,665 $118.43 $1,381,502.28
Disclosure

SEC source: 0001280452-18-000072 · edgardoc.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,213,124

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 03, 2018 Filed May 7, 2018 21:18 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 3,632 $118.43 $430,142.84
Disclosure

SEC source: 0001280452-18-000071 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 416,150

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
May 03, 2018 Filed May 7, 2018 21:10 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 3,600 $118.43 $426,353.04
Disclosure

SEC source: 0001437749-18-008879 · rdgdoc.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,076

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
April 30, 2018 Filed May 1, 2018 21:31 UTC SaleCommon Stock 232 $120.55 $27,967.60
Disclosure

SEC source: 0001280452-18-000066 · edgardoc.xml · nonDerivative · entry 1

Blegen Theodore · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,436

F1 · kind: The reported sales were to cover taxes upon the vesting of restricted stock units, as required by the Company's equity incentive plans.

Read SEC document
April 18, 2018 Filed Apr 19, 2018 21:12 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 1,400 $125.02 $175,022.40
Disclosure

SEC source: 0001280452-18-000064 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 419,782

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $125.00 to $125.09. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

Read SEC document
April 09, 2018 Filed Apr 10, 2018 20:45 UTC SaleCommon Stock 15,000 $113.41 $1,701,108.00
Disclosure

SEC source: 0001280452-18-000062 · edgardoc.xml · nonDerivative · entry 1

Moyer James C · CIK 0001308656 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 666,815

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $111.15 to $114.40. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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April 02, 2018 Filed Apr 3, 2018 21:33 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 20,000 $111.90 $2,237,994.00
Disclosure

SEC source: 0001280452-18-000060 · edgardoc.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,224,789

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $110.47 to $114.99. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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March 19, 2018 Filed Mar 21, 2018 21:25 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 3,219 $121.49 $391,086.93
Disclosure

SEC source: 0001280452-18-000058 · edgardoc.xml · nonDerivative · entry 2

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 421,182

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F3 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $119.94 to $122.99. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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March 19, 2018 Filed Mar 21, 2018 21:25 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 1,200 $123.52 $148,227.84
Disclosure

SEC source: 0001280452-18-000058 · edgardoc.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · Sr. V.P.of Sales and Marketing

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 424,401

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $123.03 to $123.93. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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March 05, 2018 Filed Mar 7, 2018 21:54 UTC SaleCommon Stock 15,000 $118.10 $1,771,474.50
Disclosure

SEC source: 0001280452-18-000056 · edgardoc.xml · nonDerivative · entry 1

Moyer James C · CIK 0001308656 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 681,815

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F2 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $116.745 to $118.92. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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March 01, 2018 Filed Mar 5, 2018 20:24 UTC SaleCommon Stock 460 $117.18 $53,902.80
Disclosure

SEC source: 0001280452-18-000054 · edgardoc.xml · nonDerivative · entry 1

Blegen Theodore · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 56,668

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

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February 22, 2018 Filed Feb 26, 2018 20:59 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 26,429 $117.34 $3,101,165.65
Disclosure

SEC source: 0001437749-18-003315 · rdgdoc.xml · nonDerivative · entry 2

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 305,676

F2 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F3 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $116.32 to $118.20. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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February 21, 2018 Filed Feb 22, 2018 21:55 UTC SaleCommon Stock 10,000 $118.77 $1,187,700.00
Disclosure

SEC source: 0001280452-18-000051 · edgardoc.xml · nonDerivative · entry 1

Moyer James C · CIK 0001308656 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 696,815

F1 · kind: Transaction was executed during an authorized trading window in compliance with the Company's Insider Trading Compliance Program.

F2 · shares: Represents shares held in spouse name.

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February 21, 2018 Filed Feb 22, 2018 21:54 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 34,313 $118.34 $4,060,713.65
Disclosure

SEC source: 0001280452-18-000050 · edgardoc.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,244,789

F1 · kind: In accordance with the reporting person's 10b5-1 trading plan.

F3 · price: The price is the weighted average sale price for the transactions reported on this line. The prices for the transactions reported on this line range from $117.10 to $120.47. The reporting person undertakes to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.

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Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.