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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
February 14, 2022 Filed Feb 16, 2022 23:44 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 1,663 $429.60 $714,424.80
Disclosure

SEC source: 0001214659-22-002837 · marketforms-55211.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 275,546

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

Read SEC document
February 14, 2022 Filed Feb 16, 2022 23:44 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 1,663 $429.60 $714,424.80
Disclosure

SEC source: 0001214659-22-002836 · marketforms-55212.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: 273,597

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

Read SEC document
February 08, 2022 Filed Feb 9, 2022 19:01 UTC GrantCommon Stock 542 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-002141 · marketforms-55218.xml · nonDerivative · entry 1

Martinez Carintia · CIK 0001865213 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,125

F1 · shares: On February 8, 2022, the Board of Directors approved the annual restricted stock unit grant of 542 shares to each independent director. The RSU grant will vest one year after the grant date, subject to continued service with the company.

Read SEC document
February 08, 2022 Filed Feb 10, 2022 00:01 UTC
Zhou JeffDirector
GrantCommon Stock 542 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-002140 · marketforms-55217.xml · nonDerivative · entry 1

Zhou Jeff · CIK 0001480772 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,051

F1 · shares: On February 8, 2022, the Board of Directors approved the annual restricted stock unit grant of 542 shares to each independent director. The RSU grant will vest one year after the grant date, subject to continued service with the company.

Read SEC document
February 08, 2022 Filed Feb 9, 2022 23:22 UTC SaleCommon stock 1,117 $401.12 $448,051.04
Disclosure

SEC source: 0001214659-22-002125 · marketforms-55039.xml · nonDerivative · entry 2

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 136,039

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

Read SEC document
February 08, 2022 Filed Feb 9, 2022 18:59 UTC
Lee Victor KDirector
GrantCommon Stock 542 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-002137 · marketforms-55215.xml · nonDerivative · entry 1

Lee Victor K · CIK 0001292133 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,414

F1 · shares: On February 8, 2022, the Board of Directors approved the annual restricted stock unit grant of 542 shares to each independent director. The RSU grant will vest one year after the grant date, subject to continued service with the company.

Read SEC document
February 08, 2022 Filed Feb 10, 2022 00:00 UTC GrantCommon Stock 542 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-002138 · marketforms-55214.xml · nonDerivative · entry 1

Elmiger Eugen J · CIK 0001560945 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,060

F1 · shares: On February 8, 2022, the Board of Directors approved the annual restricted stock unit grant of 542 shares to each independent director. The RSU grant will vest one year after the grant date, subject to continued service with the company.

Read SEC document
February 08, 2022 Filed Feb 10, 2022 00:00 UTC GrantCommon Stock 542 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-002139 · marketforms-55216.xml · nonDerivative · entry 1

Moyer James C · CIK 0001308656 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 234,383

F1 · shares: On February 8, 2022, the Board of Directors approved the annual restricted stock unit grant of 542 shares to each independent director. The RSU grant will vest one year after the grant date, subject to continued service with the company.

Read SEC document
February 08, 2022 Filed Feb 9, 2022 23:59 UTC GrantCommon Stock 542 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-002136 · marketforms-55213.xml · nonDerivative · entry 1

CHANG KUO WEI HERBERT · CIK 0001192171 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,356

F1 · shares: On February 8, 2022, the Board of Directors approved the annual restricted stock unit grant of 542 shares to each independent director. The RSU grant will vest one year after the grant date, subject to continued service with the company.

Read SEC document
February 08, 2022 Filed Feb 9, 2022 23:23 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 1,700 $401.12 $681,904.00
Disclosure

SEC source: 0001214659-22-002128 · marketforms-55037.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 301,138

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

Read SEC document
February 08, 2022 Filed Feb 9, 2022 23:24 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 1,700 $401.12 $681,904.00
Disclosure

SEC source: 0001214659-22-002129 · marketforms-55210.xml · nonDerivative · entry 2

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 277,209

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

Read SEC document
February 08, 2022 Filed Feb 9, 2022 23:23 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 1,700 $401.12 $681,904.00
Disclosure

SEC source: 0001214659-22-002127 · marketforms-55167.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: 275,260

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

Read SEC document
February 08, 2022 Filed Feb 9, 2022 23:22 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 7,663 $401.12 $3,073,782.56
Disclosure

SEC source: 0001214659-22-002126 · marketforms-55162.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,066,348

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

Read SEC document
February 07, 2022 Filed Feb 9, 2022 23:22 UTC SaleCommon Stock 6,336 $399.28 $2,529,838.08
Disclosure

SEC source: 0001214659-22-002125 · marketforms-55039.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 137,156

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

Read SEC document
February 07, 2022 Filed Feb 9, 2022 23:23 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 7,393 $399.28 $2,951,877.04
Disclosure

SEC source: 0001214659-22-002128 · marketforms-55037.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 302,838

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

Read SEC document
February 07, 2022 Filed Feb 9, 2022 23:24 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 7,393 $399.28 $2,951,877.04
Disclosure

SEC source: 0001214659-22-002129 · marketforms-55210.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 278,909

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

Read SEC document
February 07, 2022 Filed Feb 9, 2022 23:23 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 8,144 $399.28 $3,251,736.32
Disclosure

SEC source: 0001214659-22-002127 · marketforms-55167.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: 276,960

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

Read SEC document
February 07, 2022 Filed Feb 9, 2022 23:22 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 29,638 $399.28 $11,833,860.64
Disclosure

SEC source: 0001214659-22-002126 · marketforms-55162.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,074,011

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

Read SEC document
February 03, 2022 Filed Feb 4, 2022 22:05 UTC Grantcommon stock 27,174 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-001920 · marketforms-55259.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 143,492

F1 · shares: On February 4, 2020, the reporting person was granted a target of 9,058 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 18,116 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 13,587 will vest immediately and 13,587 will vest quarterly in the next two years.

Read SEC document
February 03, 2022 Filed Feb 4, 2022 22:07 UTC
Xiao DemingPres. of MPS Asia Operations
GrantCommon Stock 39,699 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-001924 · marketforms-55265.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 310,231

F1 · shares: On February 4, 2020, the reporting person was granted a target of 13,233 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 26,466 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 19,851 will vest immediately and 19,848 will vest quarterly in the next two years.

Read SEC document
February 03, 2022 Filed Feb 4, 2022 22:06 UTC
Tseng SariaVP & General Counsel
GrantCommon Stock 39,699 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-001923 · marketforms-55264.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,302

F1 · shares: On February 4, 2020, the reporting person was granted a target of 13,233 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 26,466 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 19,851 will vest immediately and 19,848 will vest quarterly in the next two years.

Read SEC document
February 03, 2022 Filed Feb 4, 2022 22:06 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GrantCommon Stock 39,699 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-001922 · marketforms-55262.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: 285,104

F1 · shares: On February 4, 2020, the reporting person was granted a target of 13,233 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 26,466 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 19,851 will vest immediately and 19,848 will vest quarterly in the next two years.

Read SEC document
February 03, 2022 Filed Feb 4, 2022 22:05 UTC
Hsing MichaelDirector · CEO
GrantCommon Stock 153,324 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-001921 · marketforms-55260.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,103,649

F1 · shares: On February 4, 2020, the reporting person was granted a target of 51,108 shares of restricted stock units, with the right to earn up to 300% of the target shares, subject to satisfaction of pre-determined, performance-based vesting criteria. On February 3, 2022, the Company's Compensation Committee of the Board of Directors determined and approved the achievement of the performance criteria for the restricted stock units, which resulted in 102,216 additional shares being earned by the reporting person. Of the restricted stock units that were awarded, 76,662 will vest immediately and 76,662 will vest quarterly in the next two years.

Read SEC document
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 30 $424.14 $12,724.20
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 16

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,318

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F17 · 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 $423.92 to $424.58. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 139 $422.99 $58,795.61
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 15

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,348

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F16 · 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 $422.85 to $423.25. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 245 $422.31 $103,465.95
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 14

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,487

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F15 · 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 $421.80 to $422.74. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 220 $421.18 $92,659.60
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 13

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,732

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F14 · 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 $420.80 to $421.74. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 220 $419.85 $92,367.00
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 12

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 116,952

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F13 · 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 $419.52 to $420.30. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 58 $418.72 $24,285.76
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 11

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,172

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F12 · 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 $418.30 to $419.16. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 40 $417.29 $16,691.60
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 10

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,230

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F11 · 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 $417.09 to $417.48. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 60 $416.48 $24,988.80
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 9

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,270

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F10 · 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 $416.01 to $416.92. 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.

Read SEC document
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 107 $415.35 $44,442.45
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 8

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,330

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F9 · 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 $414.77 to $415.71. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 40 $412.94 $16,517.60
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 7

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,437

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F8 · 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 $412.21 to $413.67. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 40 $411.53 $16,461.20
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 6

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,477

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F7 · 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 $411.11 to $411.94. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 60 $408.89 $24,533.40
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 5

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,517

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F6 · 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 $408.60 to $409.05. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 40 $407.77 $16,310.80
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 4

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,577

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F5 · 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 $407.545 to $407.98. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 60 $406.31 $24,378.60
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 3

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,617

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 plan.

F4 · 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 $406.15 to $406.44. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 100 $405.36 $40,536.00
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 2

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,677

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 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 $405.15 to $405.46. 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
January 20, 2022 Filed Jan 24, 2022 22:15 UTC SaleCommon Stock 438 $404.25 $177,062.90
Disclosure

SEC source: 0001214659-22-001045 · marketforms-55100.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,777

F1 · shares: Shares sold pursuant to the reporting person's 10b5-1 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 $404.06 to $404.81. 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.

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January 03, 2022 Filed Jan 5, 2022 21:11 UTC SaleCommon Stock 905 $490.87 $444,237.35
Disclosure

SEC source: 0001214659-22-000326 · marketforms-54754.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 118,215

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

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January 03, 2022 Filed Jan 5, 2022 21:12 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 4,305 $490.87 $2,113,195.35
Disclosure

SEC source: 0001214659-22-000328 · marketforms-54756.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: 245,405

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

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January 03, 2022 Filed Jan 5, 2022 21:11 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 4,305 $490.87 $2,113,195.35
Disclosure

SEC source: 0001214659-22-000327 · marketforms-54758.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,532

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

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January 03, 2022 Filed Jan 5, 2022 21:11 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 10,960 $490.87 $5,379,935.20
Disclosure

SEC source: 0001214659-22-000325 · marketforms-54755.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 950,325

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

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January 03, 2022 Filed Jan 5, 2022 21:10 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 4,305 $490.87 $2,113,195.35
Disclosure

SEC source: 0001214659-22-000324 · marketforms-54757.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 246,603

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

F2 · balance_after: Ending balance adjusted by 1 share to correct the reported number of shares held by the reporting person.

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December 20, 2021 Filed Dec 20, 2021 22:14 UTC SaleCommon Stock 1,897 $474.35 $899,841.95
Disclosure

SEC source: 0001214659-21-013417 · marketforms-54753.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 119,120

F1 · kind: Shares sold pursuant to the reporting person's 10b5-1 plan.

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November 30, 2021 Filed Dec 2, 2021 21:54 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 4,366 $560.00 $2,444,960.00
Disclosure

SEC source: 0001214659-21-012593 · marketforms-54419.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 274,837

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November 22, 2021 Filed Nov 23, 2021 23:34 UTC SaleCommon Stock 45 $579.26 $26,066.70
Disclosure

SEC source: 0001214659-21-012211 · marketforms-54378.xml · nonDerivative · entry 20

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,017

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

F20 · 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 $578.77 to $579.76. 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.

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November 22, 2021 Filed Nov 23, 2021 23:34 UTC SaleCommon Stock 60 $578.12 $34,687.20
Disclosure

SEC source: 0001214659-21-012211 · marketforms-54378.xml · nonDerivative · entry 19

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,062

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

F19 · 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 $577.65 to $578.44. 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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November 22, 2021 Filed Nov 23, 2021 23:34 UTC SaleCommon Stock 140 $577.24 $80,813.60
Disclosure

SEC source: 0001214659-21-012211 · marketforms-54378.xml · nonDerivative · entry 18

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,122

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

F18 · 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 $576.65 to $577.60. 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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November 22, 2021 Filed Nov 23, 2021 23:34 UTC SaleCommon Stock 60 $575.96 $34,557.60
Disclosure

SEC source: 0001214659-21-012211 · marketforms-54378.xml · nonDerivative · entry 17

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 121,262

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

F17 · 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 $575.58 to $576.34. 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.