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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 10, 2026 Filed Feb 12, 2026 19:45 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 1,215 $1,151.11 $1,398,598.65
Disclosure

SEC source: 0001214659-26-001587 · marketforms-72116.xml · nonDerivative · entry 5

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 956,448

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 08/28/2025.

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 $1,149.04 to $1,154.00. 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 10, 2026 Filed Feb 12, 2026 19:45 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 3,864 $1,145.90 $4,427,757.60
Disclosure

SEC source: 0001214659-26-001587 · marketforms-72116.xml · nonDerivative · entry 4

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 957,663

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 08/28/2025.

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 $1,144.03 to $1,149.00. 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 10, 2026 Filed Feb 12, 2026 19:45 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 16,080 $1,141.88 $18,361,430.40
Disclosure

SEC source: 0001214659-26-001587 · marketforms-72116.xml · nonDerivative · entry 3

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 961,527

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 08/28/2025.

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 $1,138.96 to $1,143.96. 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 10, 2026 Filed Feb 12, 2026 19:45 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 6,325 $1,136.75 $7,189,943.75
Disclosure

SEC source: 0001214659-26-001587 · marketforms-72116.xml · nonDerivative · entry 2

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 977,607

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 08/28/2025.

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 $1,133.92 to $1,138.90. 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 10, 2026 Filed Feb 12, 2026 19:45 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 4,302 $1,132.01 $4,869,907.02
Disclosure

SEC source: 0001214659-26-001587 · marketforms-72116.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 983,932

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 08/28/2025.

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 $1,128.88 to $1,133.86. 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 09, 2026 Filed Feb 11, 2026 18:44 UTC
Lee Victor KDirector
SaleCommon Stock 400 $1,212.16 $484,864.00
Disclosure

SEC source: 0001214659-26-001517 · marketforms-72113.xml · nonDerivative · entry 1

Lee Victor K · CIK 0001292133 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 27,756

F1 · shares: This transaction was made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 8/25/2025.

Read SEC document
February 06, 2026 Filed Feb 10, 2026 23:57 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 21,725 $1,171.16 $25,443,531.38
Disclosure

SEC source: 0001214659-26-001448 · marketforms-72090.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 82,353

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

Read SEC document
February 06, 2026 Filed Feb 10, 2026 23:58 UTC
Tseng SariaEVP & General Counsel
SaleCommon Stock 22,875 $1,171.16 $26,790,369.64
Disclosure

SEC source: 0001214659-26-001450 · marketforms-72093.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 200,626

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

Read SEC document
February 06, 2026 Filed Feb 10, 2026 23:59 UTC
Xiao DemingEVP, Global Operations
SaleCommon Stock 22,875 $1,171.16 $26,790,369.64
Disclosure

SEC source: 0001214659-26-001451 · marketforms-72094.xml · nonDerivative · entry 1

Xiao Deming · CIK 0001308647 · EVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 235,932

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

Read SEC document
February 06, 2026 Filed Feb 10, 2026 23:57 UTC
Sciammas MauriceEVP, WW Sales & Marketing
SaleCommon Stock 22,875 $1,171.16 $26,790,369.64
Disclosure

SEC source: 0001214659-26-001449 · marketforms-72092.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · EVP, WW Sales & Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 178,625

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

Read SEC document
February 06, 2026 Filed Feb 10, 2026 23:56 UTC
Hsing MichaelDirector · CEO
SaleCommon Stock 54,923 $1,171.16 $64,323,823.90
Disclosure

SEC source: 0001214659-26-001447 · marketforms-72091.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 988,234

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

Read SEC document
February 03, 2026 Filed Feb 5, 2026 19:39 UTC GrantCommon Stock 189 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001257 · marketforms-72041.xml · nonDerivative · entry 1

Martinez Carintia · CIK 0001865213 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,067

F1 · shares: On February 3, 2026, the Board of Directors approved the annual restricted stock unit grant 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 03, 2026 Filed Feb 6, 2026 01:03 UTC
Zhou JeffDirector
GrantCommon Stock 189 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001261 · marketforms-72043.xml · nonDerivative · entry 1

Zhou Jeff · CIK 0001480772 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,800

F1 · shares: On February 3, 2026, the Board of Directors approved the annual restricted stock unit grant 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 03, 2026 Filed Feb 6, 2026 00:35 UTC
BLEGEN THEODOREEVP and CFO
GrantCommon Stock 38,745 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001255 · marketforms-72009.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 104,078

F1 · shares: On February 7, 2023, the reporting person was granted performance-based restricted stock units ("PSUs") subject to the achievement of performance conditions over a three-year performance period. On February 3, 2026, the Company's Compensation Committee of the Board of Directors certified and approved the achievement of the performance criteria for the PSUs, which resulted in 38,745 shares being awarded to the reporting person, subject to tax withholdings. All of the shares fully vested and were released on February 3, 2026, pursuant to the grant agreement.

Read SEC document
February 03, 2026 Filed Feb 5, 2026 19:56 UTC
Lee Victor KDirector
GrantCommon Stock 189 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001258 · marketforms-72040.xml · nonDerivative · entry 1

Lee Victor K · CIK 0001292133 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 28,156

F1 · shares: On February 3, 2026, the Board of Directors approved the annual restricted stock unit grant 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 03, 2026 Filed Feb 6, 2026 01:04 UTC
Wynne EileenDirector
GrantCommon Stock 189 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001262 · marketforms-72042.xml · nonDerivative · entry 1

Wynne Eileen · CIK 0001575706 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,342

F1 · shares: On February 3, 2026, the Board of Directors approved the annual restricted stock unit grant 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 03, 2026 Filed Feb 6, 2026 01:01 UTC GrantCommon Stock 189 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001260 · marketforms-72038.xml · nonDerivative · entry 1

CHANG KUO WEI HERBERT · CIK 0001192171 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 615

F1 · shares: On February 3, 2026, the Board of Directors approved the annual restricted stock unit grant 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 03, 2026 Filed Feb 6, 2026 01:00 UTC GrantCommon Stock 189 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001259 · marketforms-72039.xml · nonDerivative · entry 1

Elmiger Eugen J · CIK 0001560945 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,402

F1 · shares: On February 3, 2026, the Board of Directors approved the annual restricted stock unit grant 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 03, 2026 Filed Feb 6, 2026 00:36 UTC
Xiao DemingEVP, Global Operations
GrantCommon Stock 57,170 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001256 · marketforms-72011.xml · nonDerivative · entry 1

Xiao Deming · CIK 0001308647 · EVP, Global Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 258,807

F1 · shares: On February 7, 2023, the reporting person was granted performance-based restricted stock units ("PSUs") subject to the achievement of performance conditions over a three-year performance period. On February 3, 2026, the Company's Compensation Committee of the Board of Directors certified and approved the achievement of the performance criteria for the PSUs, which resulted in 57,170 shares being awarded to the reporting person, subject to tax withholdings. All of the shares fully vested and were released on February 3, 2026, pursuant to the grant agreement.

Read SEC document
February 03, 2026 Filed Feb 6, 2026 00:29 UTC
Tseng SariaEVP & General Counsel
GrantCommon Stock 57,170 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001254 · marketforms-72010.xml · nonDerivative · entry 1

Tseng Saria · CIK 0001312593 · EVP & General Counsel

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 223,501

F1 · shares: On February 7, 2023, the reporting person was granted performance-based restricted stock units ("PSUs") subject to the achievement of performance conditions over a three-year performance period. On February 3, 2026, the Company's Compensation Committee of the Board of Directors certified and approved the achievement of the performance criteria for the PSUs, which resulted in 57,170 shares being awarded to the reporting person, subject to tax withholdings. All of the shares fully vested and were released on February 3, 2026, pursuant to the grant agreement.

Read SEC document
February 03, 2026 Filed Feb 6, 2026 00:07 UTC
Hsing MichaelDirector · CEO
GrantCommon Stock 136,825 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001253 · marketforms-72012.xml · nonDerivative · entry 1

Hsing Michael · CIK 0001308676 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,043,157

F1 · shares: On February 7, 2023, the reporting person was granted performance-based restricted stock units ("PSUs") subject to the achievement of performance conditions over a three-year performance period. On February 3, 2026, the Company's Compensation Committee of the Board of Directors certified and approved the achievement of the performance criteria for the PSUs, which resulted in 136,825 shares being awarded to the reporting person, subject to tax withholdings. All of the shares fully vested and were released on February 3, 2026, pursuant to the grant agreement.

Read SEC document
February 03, 2026 Filed Feb 5, 2026 23:56 UTC
Sciammas MauriceEVP, WW Sales & Marketing
GrantCommon Stock 57,170 $0.00 $0.00
Disclosure

SEC source: 0001214659-26-001252 · marketforms-72013.xml · nonDerivative · entry 1

Sciammas Maurice · CIK 0001360833 · EVP, WW Sales & Marketing

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 201,500

F1 · shares: On February 7, 2023, the reporting person was granted performance-based restricted stock units ("PSUs") subject to the achievement of performance conditions over a three-year performance period. On February 3, 2026, the Company's Compensation Committee of the Board of Directors certified and approved the achievement of the performance criteria for the PSUs, which resulted in 57,170 shares being awarded to the reporting person, subject to tax withholdings. All of the shares fully vested and were released on February 3, 2026, pursuant to the grant agreement.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 80 $1,139.49 $91,159.20
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 17

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,333

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,139.44 to $1,139.54. 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.

F15 · balance_after: Ending balance has been adjusted for a one share rounding difference.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 80 $1,137.81 $91,024.80
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 16

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,412

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 120 $1,136.35 $136,362.00
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 15

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,492

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,136.18 to $1,136.69. 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 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 120 $1,135.49 $136,258.80
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 14

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,612

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,135.09 to $1,135.71. 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
February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 241 $1,134.41 $273,392.81
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 13

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,732

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,134.00 to $1,134.78. 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 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 379 $1,133.47 $429,585.13
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 12

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 65,973

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,133.00 to $1,133.86. 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 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 322 $1,132.67 $364,719.74
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 11

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,352

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,132.33 to $1,132.84. 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 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 198 $1,131.70 $224,076.60
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 10

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,674

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,131.38 to $1,131.91. 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 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 320 $1,130.48 $361,753.60
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 9

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 66,872

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,130.18 to $1,130.95. 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
February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 240 $1,129.28 $271,027.20
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 8

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,192

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,129.07 to $1,129.60. 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.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 240 $1,128.43 $270,823.20
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 7

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,432

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,128.32 to $1,128.64. 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 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 80 $1,127.39 $90,191.20
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 6

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,672

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,127.28 to $1,127.49. 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 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 200 $1,126.58 $225,316.00
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 5

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,752

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,126.50 to $1,126.71. 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.

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February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 40 $1,122.56 $44,902.40
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 4

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,952

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 80 $1,120.77 $89,661.60
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 3

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 67,992

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

Read SEC document
February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 40 $1,117.11 $44,684.40
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 2

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,072

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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February 02, 2026 Filed Feb 4, 2026 15:10 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 220 $1,110.58 $244,327.60
Disclosure

SEC source: 0001214659-26-001149 · marketforms-71999.xml · nonDerivative · entry 1

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,112

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $1,110.14 to $1,110.68. 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 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 80 $946.62 $75,729.60
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 15

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,332

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 40 $945.00 $37,800.00
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 14

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,412

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 650 $944.35 $613,827.50
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 13

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 68,452

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $944.01 to $944.51. 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 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 539 $943.71 $508,659.69
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 12

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,102

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $943.37 to $943.85. 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 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 74 $942.42 $69,739.08
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 11

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,641

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $942.01 to $942.77. 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 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 406 $941.60 $382,289.60
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 10

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 69,715

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $941.00 to $941.67. 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 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 40 $940.03 $37,601.20
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 9

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 70,121

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 117 $939.75 $109,950.75
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 8

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 70,161

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $939.51 to $939.99. 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.

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 460 $938.52 $431,719.20
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 7

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 70,278

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $938.14 to $938.69. 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 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 120 $936.50 $112,380.00
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 6

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 70,738

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

Read SEC document
January 02, 2026 Filed Jan 6, 2026 21:33 UTC
BLEGEN THEODOREEVP and CFO
SaleCommon Stock 80 $935.33 $74,826.40
Disclosure

SEC source: 0001214659-26-000197 · marketforms-71761.xml · nonDerivative · entry 5

BLEGEN THEODORE · CIK 0001415033 · EVP and CFO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 70,858

F1 · shares: These transactions were made pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on 2/26/2025.

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 $935.08 to $935.57. 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.