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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
July 01, 2022 Filed Jul 6, 2022 21:10 UTC SaleCommon Stock 950 $361.58 $343,501.00
Disclosure

SEC source: 0001214659-22-008668 · marketforms-56607.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,043

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 · 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 $361.57 to $361.59. 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 01, 2022 Filed Jul 6, 2022 21:11 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 4,515 $361.58 $1,632,533.70
Disclosure

SEC source: 0001214659-22-008671 · marketforms-56611.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 282,074

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 · 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 $361.57 to $361.58. 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
July 01, 2022 Filed Jul 6, 2022 21:11 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 4,515 $361.58 $1,632,533.70
Disclosure

SEC source: 0001214659-22-008670 · marketforms-56610.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 263,984

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 · 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 $361.58 to $361.59. 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 01, 2022 Filed Jul 6, 2022 21:11 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 4,515 $361.58 $1,632,533.70
Disclosure

SEC source: 0001214659-22-008669 · marketforms-56609.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: 221,352

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 · 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 $361.57 to $361.58. 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
July 01, 2022 Filed Jul 6, 2022 21:10 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 11,495 $361.57 $4,156,247.15
Disclosure

SEC source: 0001214659-22-008667 · marketforms-56608.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,026,928

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 · 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 $361.57 to $361.58. 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
May 27, 2022 Filed May 31, 2022 19:49 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 1,495 $457.00 $683,215.00
Disclosure

SEC source: 0001214659-22-007609 · marketforms-56389.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 286,589

Read SEC document
May 24, 2022 Filed May 26, 2022 23:09 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 4,298 $392.44 $1,686,707.12
Disclosure

SEC source: 0001214659-22-007480 · marketforms-56332.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 288,084

F1 · 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 $391.84 to $393.05. 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
May 12, 2022 Filed May 16, 2022 20:33 UTC SaleCommon Stock 1,395 $388.10 $541,399.50
Disclosure

SEC source: 0001214659-22-007052 · marketforms-56155.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,993

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
May 12, 2022 Filed May 16, 2022 20:34 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 1,679 $388.10 $651,619.90
Disclosure

SEC source: 0001214659-22-007053 · marketforms-56158.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 292,382

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
May 12, 2022 Filed May 16, 2022 20:34 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 1,679 $388.10 $651,619.90
Disclosure

SEC source: 0001214659-22-007051 · marketforms-56157.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 268,499

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
May 12, 2022 Filed May 16, 2022 20:32 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 6,481 $388.10 $2,515,276.10
Disclosure

SEC source: 0001214659-22-007050 · marketforms-56156.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,038,423

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
May 12, 2022 Filed May 16, 2022 20:31 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 1,679 $388.10 $651,619.90
Disclosure

SEC source: 0001214659-22-007049 · marketforms-56154.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 225,867

F5 · 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
May 09, 2022 Filed May 16, 2022 20:31 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 11,250 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-007049 · marketforms-56154.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Christina Sciammas Trust FBO Oski Crew

Disclosed balance after: 22,560

F4 · shares: 11,250 shares were received by the C. Sciammas Trust FBO Oski Crew as a gift from the reporting person. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
May 09, 2022 Filed May 16, 2022 20:31 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 11,250 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-007049 · marketforms-56154.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · Maurice Sciammas Trust FBO Oski Crew

Disclosed balance after: 22,560

F3 · shares: 11,250 shares were received by the M. Sciammas Trust FBO Oski Crew as a gift from the reporting person. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
May 09, 2022 Filed May 16, 2022 20:31 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 18,200 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-007049 · marketforms-56154.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 26,700

F2 · shares: 18,200 shares were received by the GRAT as a gift from the reporting person. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
May 09, 2022 Filed May 16, 2022 20:31 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 40,700 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-007049 · marketforms-56154.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: 227,546

F1 · shares: 40,700 shares were transferred as a gift from the reporting person's direct holdings to various trusts as indirect holdings. The reporting person (or his spouse) is the Trustee for these trusts. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
May 06, 2022 Filed May 5, 2022 21:00 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 986 $453.16 $446,812.21
Disclosure

SEC source: 0001214659-22-006361 · marketforms-56064.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 294,061

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
May 04, 2022 Filed May 5, 2022 21:02 UTC SaleCommon Stock 850 $453.16 $385,182.01
Disclosure

SEC source: 0001214659-22-006363 · marketforms-55971.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 131,388

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
May 04, 2022 Filed May 5, 2022 21:00 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
SaleCommon Stock 986 $453.16 $446,812.21
Disclosure

SEC source: 0001214659-22-006362 · marketforms-56062.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: 268,246

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
May 04, 2022 Filed May 5, 2022 20:58 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 986 $453.16 $446,812.21
Disclosure

SEC source: 0001214659-22-006360 · marketforms-56063.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 270,178

F1 · kind: 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
May 04, 2022 Filed May 5, 2022 20:57 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 3,807 $453.15 $1,725,154.99
Disclosure

SEC source: 0001214659-22-006359 · marketforms-56061.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,044,904

F1 · kind: 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
April 01, 2022 Filed Apr 5, 2022 20:27 UTC SaleCommon Stock 930 $467.22 $434,514.60
Disclosure

SEC source: 0001214659-22-004861 · marketforms-55928.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,238

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
April 01, 2022 Filed Apr 5, 2022 20:27 UTC
Tseng SariaVP & General Counsel
SaleCommon Stock 4,420 $467.23 $2,065,156.60
Disclosure

SEC source: 0001214659-22-004860 · marketforms-55931.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · VP & General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,164

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 includes 38 shares acquired on February 15, 2022 through the Company's qualified ESPP program.

Read SEC document
April 01, 2022 Filed Apr 5, 2022 20:27 UTC
Hsing MichaelDirector · CEO
Salecommon stock 11,250 $467.23 $5,256,337.50
Disclosure

SEC source: 0001214659-22-004859 · marketforms-55929.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,048,711

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 includes 34 shares acquired on February 15, 2022 through the Company's qualified ESPP program.

Read SEC document
April 01, 2022 Filed Apr 5, 2022 20:27 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
Salecommon stock 4,420 $467.23 $2,065,156.60
Disclosure

SEC source: 0001214659-22-004858 · marketforms-55930.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: 269,232

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 includes 55 shares acquired on February 15, 2022 through the Company's qualified ESPP program.

Read SEC document
April 01, 2022 Filed Apr 5, 2022 20:26 UTC
Xiao DemingPres. of MPS Asia Operations
Salecommon stock 4,420 $467.23 $2,065,156.60
Disclosure

SEC source: 0001214659-22-004857 · marketforms-55932.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 295,047

F3 · 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
April 01, 2022 Filed May 5, 2022 21:00 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 1,699 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-006362 · marketforms-56062.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Indirect · The Joseph Roger Sciammas 2020 Irrevocable Trust

Disclosed balance after: 1,699

F6 · shares: 1,699 shares were received by the Joseph Roger Sciammas Trust as a gift from the reporting person's GRATs. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
April 01, 2022 Filed May 5, 2022 21:00 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 1,699 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-006362 · marketforms-56062.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · The Chloe Liliane Sciammas 2020 Irrevocable Trust

Disclosed balance after: 1,699

F5 · shares: 1,699 shares were received by the Chloe Liliane Sciammas Trust as a gift from the reporting person's GRATs. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
April 01, 2022 Filed May 5, 2022 21:00 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 1,699 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-006362 · marketforms-56062.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · The Patrick Francis Sciammas 2020 Irrevocable Trust

Disclosed balance after: 1,699

F4 · shares: 1,699 shares were received by the Patrick Francis Sciammas Trust as a gift from the reporting person's GRATs. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
April 01, 2022 Filed May 5, 2022 21:00 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 1,852 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-006362 · marketforms-56062.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · by Family Trust

Disclosed balance after: 7,298

F3 · shares: 1,852 shares were received by the Sciammas Family Trust as a gift from the reporting person's GRATs. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
April 01, 2022 Filed May 5, 2022 21:00 UTC
Sciammas MauriceSr. V.P.of Sales and Marketing
GiftCommon Stock 6,949 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-006362 · marketforms-56062.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By GRAT

Disclosed balance after: 8,500

F2 · shares: 6,949 shares were transferred as a gift from the reporting person's GRATs to various family trusts on which Maurice Sciammas is a Trustee. No funds were exchanged and no sale of shares occurred in the transfer.

Read SEC document
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 20 $463.65 $9,273.00
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 15

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,168

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

Read SEC document
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 60 $461.14 $27,668.40
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 14

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,188

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 $460.79 to $461.65. 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
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 60 $459.84 $27,590.40
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 13

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,248

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 $459.47 to $460.32. 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
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 40 $458.19 $18,327.60
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 12

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,308

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 $458.12 to $458.25. 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
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 60 $457.48 $27,448.80
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 11

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,348

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 $457.03 to $457.82. 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
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 40 $456.06 $18,242.40
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 10

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,408

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 $455.96 to $456.15. 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
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 122 $455.27 $55,542.94
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 9

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,448

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 $454.83 to $455.74. 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
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 80 $453.91 $36,312.80
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 8

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,570

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 $453.39 to $454.38. 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
February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 80 $452.60 $36,208.00
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 7

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,650

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 $452.34 to $453.04. 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 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 95 $451.58 $42,900.10
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 6

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,730

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 $451.31 to $452.13. 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 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 137 $450.48 $61,715.76
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 5

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,825

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 $450.26 to $450.74. 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.

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February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 544 $449.84 $244,712.96
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 4

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 133,962

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 $449.18 to $450.17. 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 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 81 $448.33 $36,314.73
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 3

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,506

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 $447.96 to $448.70. 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 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 60 $447.07 $26,824.20
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 2

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,587

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 $446.85 to $447.47. 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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February 22, 2022 Filed Feb 24, 2022 21:40 UTC SaleCommon Stock 60 $445.22 $26,713.20
Disclosure

SEC source: 0001214659-22-003138 · marketforms-55529.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,647

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 $444.82 to $445.73. 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.

F3 · balance_after: Ending balance includes 55 shares acquired on February 15, 2022 through the Company's qualified ESPP program.

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February 16, 2022 Filed Apr 5, 2022 20:26 UTC
Xiao DemingPres. of MPS Asia Operations
GiftCommon Stock 42 $0.00 $0.00
Disclosure

SEC source: 0001214659-22-004857 · marketforms-55932.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 299,467

F1 · shares: The reported transaction involved a transfer of securities by gift for which no payment of consideration was received by the reporting person.

F2 · balance_after: Ending balance includes 34 shares acquired on February 15, 2022 through the Company's qualified ESPP program.

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February 14, 2022 Filed Feb 16, 2022 23:45 UTC SaleCommon Stock 1,387 $429.60 $595,855.20
Disclosure

SEC source: 0001214659-22-002840 · marketforms-55165.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · CFO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,652

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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February 14, 2022 Filed Feb 16, 2022 23:45 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 6,421 $429.60 $2,758,461.60
Disclosure

SEC source: 0001214659-22-002839 · marketforms-55164.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,059,927

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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February 14, 2022 Filed Feb 16, 2022 23:44 UTC
Xiao DemingPres. of MPS Asia Operations
SaleCommon Stock 1,663 $429.60 $714,424.80
Disclosure

SEC source: 0001214659-22-002838 · marketforms-55038.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 299,475

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