WDAY

SEC source: 0000938071-26-000012 · wk-form4_1773783876.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,593

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $133.92 to $134.9199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000012 · wk-form4_1773783876.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 121,749

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $132.92 to $133.9199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000012 · wk-form4_1773783876.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 143,795

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $131.92 to $132.9199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000012 · wk-form4_1773783876.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 185,729

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $130.92 to $131.9199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000012 · wk-form4_1773783876.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 212,549

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 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · derivative · entry 10

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,281,334

Underlying: Class A Common Stock · 107,500 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.

F11 · derivative.exercise_price: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F12 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F11 · derivative.exercise_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F12 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F11 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F12 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 9

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,049

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F10 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $146.725 to $147.7249, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 8

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,059

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F9 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $145.71 to $146.7099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,649

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F8 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $144.67 to $145.6699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,749

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $143.50 to $144.4999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 109,749

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $142.46 to $143.4599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 141,442

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $141.46 to $142.4599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 194,073

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $140.46 to $141.4599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 208,249

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $139.41 to $140.4099, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000010 · wk-form4_1773347960.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 212,549

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 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000008 · wk-form4_1773088082.xml · derivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,388,834

Underlying: Class A Common Stock · 107,500 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.

F8 · derivative.exercise_price: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.exercise_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000008 · wk-form4_1773088082.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,049

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $148.78 to $149.7799, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000008 · wk-form4_1773088082.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,849

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $147.77 to $148.7699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000008 · wk-form4_1773088082.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 117,324

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $146.77 to $147.7699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000008 · wk-form4_1773088082.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 187,725

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $145.77 to $146.7699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000008 · wk-form4_1773088082.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 210,374

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $144.77 to $145.7699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000008 · wk-form4_1773088082.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 212,549

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 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0002060774-26-000004 · wk-form4_1773103579.xml · nonDerivative · entry 1

Kazmaier Gerrit S · CIK 0002060774 · President, Prod. and Tech.

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 186,700

F1 · balance_after: Includes 186,700 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, including 81,533 RSUs with a grant date of March 5, 2026, which will vest as to 1/12 of the underlying shares on June 5, 2026, and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001928908-26-000004 · wk-form4_1773103511.xml · nonDerivative · entry 1

Enslin Robert · CIK 0001928908 · President, CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 174,274

F1 · balance_after: Includes 174,274 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, including 67,944 RSUs with a grant date of March 5, 2026, which will vest as to 1/12 of the underlying shares on June 5, 2026, and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001444158-26-000006 · wk-form4_1773103403.xml · nonDerivative · entry 1

Rowe Zane · CIK 0001444158 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 233,070

F1 · balance_after: Includes 166,015 restricted stock units (RSUs) and 5,968 performance stock units (PSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, including 67,944 RSUs with a grant date of March 5, 2026, which will vest as to 1/12 of the underlying shares on June 5, 2026, and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001196579-26-000006 · wk-form4_1773103719.xml · derivative · entry 2

BHUSRI ANEEL · CIK 0001196579 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 547,003

Underlying: Class A Common Stock · 547,003 shares

Expires not disclosed

F2 · derivative.exercise_price: Reflects shares of Class A Common Stock subject to performance-based RSUs (PVUs) that are divided into four tranches, with each tranche representing the Reporting Person's right to acquire 1/4 of the maximum shares subject to the award. Each PVU represents a contingent right to receive one share of Class A Common Stock. The PVUs shall vest subject to the achievement of certain performance metrics based on the Issuer's stock price over a five-year performance period. Subject to the achievement of the performance metrics applicable to each tranche and to the Reporting Person's continued service with the Issuer on the applicable vesting dates, the shares subject to an achieved tranche shall vest as to 1/20 of such tranche's shares on each of the 20 quarterly anniversaries of 03/05/2026.

F2 · derivative.exercise_date: Reflects shares of Class A Common Stock subject to performance-based RSUs (PVUs) that are divided into four tranches, with each tranche representing the Reporting Person's right to acquire 1/4 of the maximum shares subject to the award. Each PVU represents a contingent right to receive one share of Class A Common Stock. The PVUs shall vest subject to the achievement of certain performance metrics based on the Issuer's stock price over a five-year performance period. Subject to the achievement of the performance metrics applicable to each tranche and to the Reporting Person's continued service with the Issuer on the applicable vesting dates, the shares subject to an achieved tranche shall vest as to 1/20 of such tranche's shares on each of the 20 quarterly anniversaries of 03/05/2026.

F2 · derivative.expiration_date: Reflects shares of Class A Common Stock subject to performance-based RSUs (PVUs) that are divided into four tranches, with each tranche representing the Reporting Person's right to acquire 1/4 of the maximum shares subject to the award. Each PVU represents a contingent right to receive one share of Class A Common Stock. The PVUs shall vest subject to the achievement of certain performance metrics based on the Issuer's stock price over a five-year performance period. Subject to the achievement of the performance metrics applicable to each tranche and to the Reporting Person's continued service with the Issuer on the applicable vesting dates, the shares subject to an achieved tranche shall vest as to 1/20 of such tranche's shares on each of the 20 quarterly anniversaries of 03/05/2026.

SEC source: 0001196579-26-000006 · wk-form4_1773103719.xml · nonDerivative · entry 1

BHUSRI ANEEL · CIK 0001196579 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,025,523

F1 · balance_after: Includes 585,613 restricted stock units (RSUs) and 9,182 performance stock units (PSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, including 437,602 RSUs with a grant date of March 5, 2026, which will vest as to 25% of the underlying shares on March 5, 2027 and then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0000938071-26-000006 · wk-form4_1772663882.xml · derivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,496,334

Underlying: Class A Common Stock · 107,500 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.

F7 · derivative.exercise_price: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F7 · derivative.exercise_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F7 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000006 · wk-form4_1772663882.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,049

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $135.57 to $136.5699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000006 · wk-form4_1772663882.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,541

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $134.57 to $135.5699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000006 · wk-form4_1772663882.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 145,098

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $133.57 to $134.5699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000006 · wk-form4_1772663882.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 202,052

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust dated December 2, 2025.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $132.57 to $133.5699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000006 · wk-form4_1772663882.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 212,549

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 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0001444158-26-000004 · wk-form4_1772501025.xml · nonDerivative · entry 1

Rowe Zane · CIK 0001444158 · Chief Financial Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 165,126

F1 · shares: These shares were acquired upon the certification by the Compensation Committee of the Board of Directors on February 26, 2026 of the satisfaction of performance criteria for the February 1, 2025 through January 31, 2026 performance period underlying an award of performance stock units (PSUs) granted to the Reporting Person on April 21, 2025 under the terms of Workday's 2022 Equity Incentive Plan and applicable PSU award agreement. The PSUs will vest in full on April 5, 2028, subject to the Reporting Person's continuous service with the Issuer on the vesting date.

F2 · balance_after: Includes 98,071 restricted stock units (RSUs) and 5,968 PSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001196579-26-000004 · wk-form4_1772501144.xml · nonDerivative · entry 1

BHUSRI ANEEL · CIK 0001196579 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 587,921

F1 · shares: These shares were acquired upon the certification by the Compensation Committee of the Board of Directors on February 26, 2026 of the satisfaction of performance criteria for the February 1, 2025 through January 31, 2026 performance period underlying an award of performance stock units (PSUs) granted to the Reporting Person on April 21, 2025 under the terms of Workday's 2022 Equity Incentive Plan and applicable PSU award agreement. The PSUs will vest in full on April 5, 2028, subject to the Reporting Person's continuous service with the Issuer on the vesting date.

F2 · balance_after: Includes 148,011 restricted stock units (RSUs) and 9,182 PSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001787944-26-000004 · wk-form4_1772500943.xml · nonDerivative · entry 1

Sauer Richard Harry · CIK 0001787944 · Chief Legal Officer & Secty

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 89,530

F1 · shares: These shares were acquired upon the certification by the Compensation Committee of the Board of Directors on February 26, 2026 of the satisfaction of performance criteria for the February 1, 2025 through January 31, 2026 performance period underlying an award of performance stock units (PSUs) granted to the Reporting Person on April 21, 2025 under the terms of Workday's 2022 Equity Incentive Plan and applicable PSU award agreement. The PSUs will vest in full on April 5, 2028, subject to the Reporting Person's continuous service with the Issuer on the vesting date.

F2 · balance_after: Includes 62,742 restricted stock units (RSUs) and 4,132 PSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001409324-26-000006 · wk-form4_1770672648.xml · nonDerivative · entry 1

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 622,969

F1 · shares: Represents shares withheld by the Issuer to satisfy the tax withholding obligation in connection with the vesting of performance restricted stock units (PRSUs).

F2 · balance_after: Includes 225,115 restricted stock units (RSUs) and 175,438 PRSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0000938071-26-000004 · wk-form4_1768006224.xml · derivative · entry 7

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 38,603,834

Underlying: Class A Common Stock · 82,884 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.

F8 · derivative.exercise_price: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.exercise_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F8 · derivative.expiration_date: All shares of Class A and Class B Common Stock will convert automatically into shares of a single class of Common Stock upon the earliest to occur of the following: (a) upon the election by the holders of a majority of the then outstanding shares of Class B Common Stock, (b) the date when the number of outstanding shares of Class B Common Stock represents less than 9% of all outstanding shares of Class A and Class B Common Stock, (c) October 11, 2032 or (d) nine months after the death of the later to die of David A. Duffield and Aneel Bhusri. The shares of Class A and Class B Common Stock have no expiration date.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible, at any time at the option of the holder, into one (1) share of Class A Common Stock. In addition, each share of Class B Common Stock will convert automatically into one (1) share of Class A Common Stock upon any transfer, whether or not for value, except for certain permitted transfers described in, and transfers to any "permitted transferee" as defined in, the Issuer's restated certificate of incorporation in effect as of the date hereof. The shares of Class B Common Stock have no expiration date.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000004 · wk-form4_1768006224.xml · nonDerivative · entry 6

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,049

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 3, 2024.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $211.00 to $211.9999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000004 · wk-form4_1768006224.xml · nonDerivative · entry 5

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 114,232

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 3, 2024.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $210.00 to $210.9999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000004 · wk-form4_1768006224.xml · nonDerivative · entry 4

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 142,694

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 3, 2024.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $209.00 to $209.9999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000004 · wk-form4_1768006224.xml · nonDerivative · entry 3

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 170,333

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 3, 2024.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $208.00 to $208.9999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000004 · wk-form4_1768006224.xml · nonDerivative · entry 2

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 179,573

F2 · kind: This sale was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the David A. Duffield Trust, and the Dave & Cheryl Duffield Foundation dated December 3, 2024.

F3 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $207.00 to $207.9999, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote of this Form 4.

F1 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0000938071-26-000004 · wk-form4_1768006224.xml · nonDerivative · entry 1

DUFFIELD DAVID A · CIK 0000938071 · 10% owner

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 187,933

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 · ownership.direct: The reported shares are held by the David A. Duffield Trust dated July 14, 1988, a revocable living trust, of which the Reporting Person is trustee and sole beneficiary.

SEC source: 0001602315-26-000004 · wk-form4_1768006180.xml · nonDerivative · entry 1

Garfield Mark S. · CIK 0001602315 · Chief Accounting Officer

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,336

F1 · kind: The sale reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated October 14, 2025.

F2 · balance_after: Includes 30,927 restricted stock units (RSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0001409324-26-000004 · wk-form4_1767995471.xml · nonDerivative · entry 1

Eschenbach Carl M. · CIK 0001409324 · Director · CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 624,643

F1 · balance_after: Includes 225,115 restricted stock units (RSUs) and 178,812 performance restricted stock units (PRSUs), each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

F2 · ownership.direct: On January 8, 2026, the reporting person transferred 9,568 shares of Class A Common Stock to the Eschenbach Family Trust.

SEC source: 0002060774-26-000002 · wk-form4_1767824488.xml · nonDerivative · entry 5

Kazmaier Gerrit S · CIK 0002060774 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,167

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

F7 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $209.72 to $210.7199, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F2 · balance_after: Includes 105,167 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0002060774-26-000002 · wk-form4_1767824488.xml · nonDerivative · entry 4

Kazmaier Gerrit S · CIK 0002060774 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 105,989

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

F6 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $208.66 to $209.6599, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F2 · balance_after: Includes 105,167 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0002060774-26-000002 · wk-form4_1767824488.xml · nonDerivative · entry 3

Kazmaier Gerrit S · CIK 0002060774 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 107,426

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

F5 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $207.35 to $208.3499, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F2 · balance_after: Includes 105,167 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.

SEC source: 0002060774-26-000002 · wk-form4_1767824488.xml · nonDerivative · entry 2

Kazmaier Gerrit S · CIK 0002060774 · President, Prod. and Tech.

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 108,626

F3 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person dated September 19, 2025.

F4 · price: The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $206.17 to $207.1699, inclusive. The Reporting Person undertakes to provide to Workday, Inc., any security holder of Workday, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range(s) set forth in this footnote of this Form 4.

F2 · balance_after: Includes 105,167 RSUs, each of which entitle the Reporting Person to receive one share of Class A Common Stock upon settlement. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.