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Nasdaq · USD

WDC

WESTERN DIGITAL CORP

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Tapewire entity
1010
SEC CIK
0000106040
Parsed reports
1,958

Last 12 months

Inside the activity.

0 purchase rows · 224 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 2025019
Dec 2025013
Jan 202601
Feb 2026044
Mar 2026019
Apr 202601
May 2026032
Jun 2026046
Jul 2026033
Aug 2026013
Sep 202603
Oct 202600

Latest available

Insider transactions

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

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

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
August 20, 2026 Filed Aug 24, 2026 22:59 UTC
Tan IrvingDirector · Chief Executive Officer
Exercise / conversionCommon Stock 13 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000173 · edgardoc.xml · nonDerivative · entry 1

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 575,979

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 22:59 UTC
Davis Brian ScottChief Sales & Mrktng Officer
Exercise / conversionDividend Equivalent Rights · Derivative 5.7366 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000171 · edgardoc.xml · derivative · entry 5

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 184.4235

Underlying: Common Stock · 5.7366 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 22:59 UTC
Davis Brian ScottChief Sales & Mrktng Officer
Tax withholdingCommon Stock 716 $469.05 $335,839.80
Disclosure

SEC source: 0001266824-26-000171 · edgardoc.xml · nonDerivative · entry 2

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 100,892

F2 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

Read SEC document
August 20, 2026 Filed Aug 24, 2026 22:59 UTC
Davis Brian ScottChief Sales & Mrktng Officer
Exercise / conversionCommon Stock 5 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000171 · edgardoc.xml · nonDerivative · entry 1

Davis Brian Scott · CIK 0002057091 · Chief Sales & Mrktng Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 101,608

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 23:00 UTC
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionDividend Equivalent Rights · Derivative 3.8337 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000174 · edgardoc.xml · derivative · entry 7

Tregillis Cynthia L · CIK 0002057088 · Chief Legal Officer & Corp Sec

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 305.9703

Underlying: Common Stock · 3.8337 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
August 20, 2026 Filed Aug 24, 2026 23:00 UTC
Tregillis Cynthia LChief Legal Officer & Corp Sec
Tax withholdingCommon Stock 379 $469.05 $177,769.95
Disclosure

SEC source: 0001266824-26-000174 · edgardoc.xml · nonDerivative · entry 2

Tregillis Cynthia L · CIK 0002057088 · Chief Legal Officer & Corp Sec

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,163

F2 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

Read SEC document
August 20, 2026 Filed Aug 24, 2026 23:00 UTC
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionCommon Stock 3 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000174 · edgardoc.xml · nonDerivative · entry 1

Tregillis Cynthia L · CIK 0002057088 · Chief Legal Officer & Corp Sec

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,542

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 01:24 UTC
Tan IrvingDirector · Chief Executive Officer
SaleCommon Stock 1,546 $447.18 $691,345.07
Disclosure

SEC source: 0001266824-26-000166 · edgardoc.xml · nonDerivative · entry 7

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 575,966

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026.

F8 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $447.00 to a high of $447.88. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 01:24 UTC
Tan IrvingDirector · Chief Executive Officer
SaleCommon Stock 6,445 $446.38 $2,876,926.83
Disclosure

SEC source: 0001266824-26-000166 · edgardoc.xml · nonDerivative · entry 6

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 577,512

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026.

F7 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $446.00 to a high of $446.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 01:24 UTC
Tan IrvingDirector · Chief Executive Officer
SaleCommon Stock 4,822 $445.45 $2,147,963.76
Disclosure

SEC source: 0001266824-26-000166 · edgardoc.xml · nonDerivative · entry 5

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 583,957

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026.

F6 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $445.00 to a high of $445.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 01:24 UTC
Tan IrvingDirector · Chief Executive Officer
SaleCommon Stock 1,880 $444.67 $835,988.06
Disclosure

SEC source: 0001266824-26-000166 · edgardoc.xml · nonDerivative · entry 4

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 588,779

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026.

F5 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $444.00 to a high of $444.94. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 01:24 UTC
Tan IrvingDirector · Chief Executive Officer
SaleCommon Stock 1,840 $443.35 $815,757.56
Disclosure

SEC source: 0001266824-26-000166 · edgardoc.xml · nonDerivative · entry 3

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 590,659

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026.

F4 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $443.00 to a high of $443.91. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 01:24 UTC
Tan IrvingDirector · Chief Executive Officer
SaleCommon Stock 989 $442.22 $437,351.13
Disclosure

SEC source: 0001266824-26-000166 · edgardoc.xml · nonDerivative · entry 2

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 592,499

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $441.94 to a high of $442.73. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
August 11, 2026 Filed Aug 13, 2026 01:24 UTC
Tan IrvingDirector · Chief Executive Officer
SaleCommon Stock 2,478 $441.48 $1,093,996.86
Disclosure

SEC source: 0001266824-26-000166 · edgardoc.xml · nonDerivative · entry 1

Tan Irving · CIK 0001729518 · Director · Chief Executive Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 593,488

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 5, 2026.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $440.77 to a high of $441.66. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 199 $461.23 $91,785.75
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 30

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,625

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F31 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $460.94 to a high of $461.89. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 248 $459.97 $114,073.35
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 29

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,824

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F30 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $459.74 to a high of $460.53. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 529 $458.96 $242,787.83
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 28

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,072

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F29 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $458.37 to a high of $459.33. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 328 $457.45 $150,043.08
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 27

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,601

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F28 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $457.23 to a high of $457.87. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 312 $456.52 $142,433.05
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 26

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 22,929

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F27 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $456.05 to a high of $457.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 304 $455.55 $138,486.23
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 25

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,241

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F26 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $455.03 to a high of $456.02. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 128 $454.44 $58,168.64
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 24

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,545

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F25 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $453.92 to a high of $454.91. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 144 $453.27 $65,271.36
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 23

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,673

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F24 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $452.75 to a high of $453.69. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 106 $452.12 $47,925.06
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 22

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,817

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F23 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $451.61 to a high of $452.47. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 70 $451.30 $31,591.28
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 21

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,923

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F22 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $450.60 to a high of $451.56. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 39 $449.42 $17,527.41
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 20

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 23,993

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F21 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $448.99 to a high of $449.95. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 41 $448.46 $18,386.69
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 19

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,032

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F20 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $447.99 to a high of $448.97. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 32 $447.10 $14,307.04
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 18

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,073

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F19 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $446.73 to a high of $447.46. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 32 $444.51 $14,224.32
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 17

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,105

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F18 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $444.09 to a high of $444.93. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 32 $442.47 $14,159.04
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 16

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,137

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F17 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $442.06 to a high of $442.88. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 96 $440.96 $42,332.32
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 15

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,169

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F16 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $440.67 to a high of $441.46. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 64 $439.38 $28,120.32
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 14

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,265

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F15 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $439.12 to a high of $439.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

Read SEC document
July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 118 $438.08 $51,693.90
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 13

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,329

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F14 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $437.71 to a high of $438.68. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 154 $436.89 $67,281.58
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 12

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,447

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F13 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $436.54 to a high of $437.49. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 32 $435.59 $13,938.72
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 11

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,601

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F12 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $435.51 to a high of $435.66. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 64 $434.81 $27,827.52
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 10

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,633

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F11 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $434.41 to a high of $435.36. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 112 $433.84 $48,589.92
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 9

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,697

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F10 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $433.24 to a high of $434.16. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 38 $432.20 $16,423.78
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 8

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,809

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F9 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $432.06 to a high of $432.34. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 115 $431.41 $49,611.81
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 7

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,847

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F8 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $430.84 to a high of $431.80. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 103 $430.45 $44,336.03
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 6

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 24,962

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F7 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $429.79 to a high of $430.74. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 93 $429.12 $39,907.78
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 5

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,065

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F6 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $428.66 to a high of $429.49. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 115 $428.08 $49,229.63
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 4

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,158

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F5 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $427.48 to a high of $428.41. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 64 $426.45 $27,292.50
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 3

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,273

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F4 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $426.24 to a high of $426.98. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 32 $425.31 $13,609.92
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 2

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,337

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $425.15 to a high of $425.47. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:31 UTC SaleCommon Stock 64 $424.05 $27,138.88
Disclosure

SEC source: 0001266824-26-000163 · edgardoc.xml · nonDerivative · entry 1

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 25,369

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F2 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $423.42 to a high of $424.39. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:32 UTC SaleCommon Stock 32 $465.12 $14,883.94
Disclosure

SEC source: 0001266824-26-000164 · edgardoc.xml · nonDerivative · entry 2

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,433

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F4 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $465.04 to a high of $465.21. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 28, 2026 Filed Jul 29, 2026 23:32 UTC SaleCommon Stock 160 $462.30 $73,968.21
Disclosure

SEC source: 0001266824-26-000164 · edgardoc.xml · nonDerivative · entry 1

Cole Martin I · CIK 0001302874 · Director

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 21,465

F1 · security: Due to SEC rules limiting the number of transactions that can be reported on a single Form 4, this Form 4 is a continuation of the Form 4 filed for the same date listed above.

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 5, 2026.

F3 · price: Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $462.03 to a high of $462.50. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

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July 21, 2026 Filed Jul 22, 2026 00:56 UTC
Tregillis Cynthia LChief Legal Officer & Corp Sec
SaleCommon Stock 808 $529.63 $427,941.04
Disclosure

SEC source: 0001266824-26-000160 · edgardoc.xml · nonDerivative · entry 3

Tregillis Cynthia L · CIK 0002057088 · Chief Legal Officer & Corp Sec

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,539

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026.

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July 20, 2026 Filed Jul 22, 2026 00:56 UTC
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionDividend Equivalent Rights · Derivative 13.1971 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000160 · edgardoc.xml · derivative · entry 4

Tregillis Cynthia L · CIK 0002057088 · Chief Legal Officer & Corp Sec

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 309.804

Underlying: Common Stock · 13.1971 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.exercise_date: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

F1 · derivative.expiration_date: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

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July 20, 2026 Filed Jul 22, 2026 00:56 UTC
Tregillis Cynthia LChief Legal Officer & Corp Sec
Tax withholdingCommon Stock 1,309 $487.42 $638,032.78
Disclosure

SEC source: 0001266824-26-000160 · edgardoc.xml · nonDerivative · entry 2

Tregillis Cynthia L · CIK 0002057088 · Chief Legal Officer & Corp Sec

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 115,347

F2 · shares: Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).

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July 20, 2026 Filed Jul 22, 2026 00:56 UTC
Tregillis Cynthia LChief Legal Officer & Corp Sec
Exercise / conversionCommon Stock 13 $0.00 $0.00
Disclosure

SEC source: 0001266824-26-000160 · edgardoc.xml · nonDerivative · entry 1

Tregillis Cynthia L · CIK 0002057088 · Chief Legal Officer & Corp Sec

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 116,656

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · shares: The dividend equivalent rights were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.

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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.