# EDGAR Filing Document

**Accession Number:** 0001327811
**File Stem:** 0001104659-26-068253
**Filing Date:** 2026-5
**Character Count:** 72164
**Document Hash:** 5ecc378f43863d0d612dcc2c4345a489
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-26-068253.hdr.sgml**: 20260622

**ACCESSION NUMBER**: 0001104659-26-068253

**CONFORMED SUBMISSION TYPE**: S-3ASR

**PUBLIC DOCUMENT COUNT**: 14

**FILED AS OF DATE**: 20260529

**DATE AS OF CHANGE**: 20260529

**EFFECTIVENESS DATE**: 20260529

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Workday, Inc.
- **CENTRAL INDEX KEY:** 0001327811
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-COMPUTER PROCESSING & DATA PREPARATION [7374]
- **ORGANIZATION NAME:** 06 Technology
- **EIN:** 202480422
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0131

**FILING VALUES:**
- **FORM TYPE:** S-3ASR
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-296348
- **FILM NUMBER:** 261044395

**BUSINESS ADDRESS:**
- **STREET 1:** 6110 STONERIDGE MALL ROAD
- **CITY:** PLEASANTON
- **STATE:** CA
- **ZIP:** 94588
- **BUSINESS PHONE:** 925-951-9000

**MAIL ADDRESS:**
- **STREET 1:** 6110 STONERIDGE MALL ROAD
- **CITY:** PLEASANTON
- **STATE:** CA
- **ZIP:** 94588

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Workday Inc
- **DATE OF NAME CHANGE:** 20050519

[**TABLE OF CONTENTS**](#TOC)

#### As filed with the Securities and Exchange Commission on May 29, 2026

#### Registration No. 333-

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

### FORM S-3

#### REGISTRATION STATEMENT

#### Under The Securities Act of 1933

### WORKDAY, INC.
(Exact name of Registrant as specified in its charter)

---

| | |
|:---|:---|
| **Delaware** <br> (State or other jurisdiction of <br> incorporation or organization)  | **20-2480422** <br> (I.R.S. Employer <br> Identification No.)  |

---

#### Workday, Inc. 6110 Stoneridge Mall Road Pleasanton, California 94588 (925) 951-9000
(Address, including zip code and telephone number, including area code, of Registrant's principal executive offices)

#### Zane Rowe Chief Financial Officer Workday, Inc. 6110 Stoneridge Mall Road Pleasanton, California 94588 (925) 951-9000
(Name, address, including zip code, and telephone number, including area code, of agent for service)

#### Please send copies of all communications to:

---

| | |
|:---|:---|
| **Richard H. Sauer, Esq. <br> Chief Legal Officer, Head of Corporate Affairs, and <br> Corporate Secretary <br> Workday, Inc. <br> 6110 Stoneridge Mall Road <br> Pleasanton, California 94588 <br> (925) 951-9000**  | **David A. Bell, Esq. <br> Aman Singh, Esq. <br> Fenwick & West LLP <br> Silicon Valley Center <br> 801 California Street <br> Mountain View, California 94041 <br> (650) 988-8500**  |

---

#### Approximate date of commencement of proposed sale to the public:
From time to time after the effective date of this Registration Statement.

If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, please check the following box. ☐

If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, other than securities offered only in connection with dividend or interest reinvestment plans, check the following box. ☒

If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐

If this Form is a registration statement pursuant to General Instruction I.D. or a post-effective amendment thereto that shall become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box. ☒

If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction I.D. filed to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act, check the following box. ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☒ Accelerated filer ☐ <br> Non-accelerated filer ☐ Smaller reporting company ☐ Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act. ☐

------

[**TABLE OF CONTENTS**](#TOC)

#### PROSPECTUS

### WORKDAY, INC.

### CLASS A COMMON STOCK

### PREFERRED STOCK

### DEBT SECURITIES

### WARRANTS
We may offer from time to time Class A common stock, preferred stock, debt securities, or warrants in one or more offerings. Certain of these securities may be convertible into or exercisable or exchangeable for Class A common stock, preferred stock, or other securities. When we decide to sell a particular type of securities, we will provide specific terms of the offered securities, including the amount of securities offered, in a prospectus supplement. This prospectus and any accompanying prospectus supplement may be used to offer securities for the account of persons other than us. We may offer and sell these securities to or through one or more underwriters, brokers, dealers, agents, or directly to purchasers, on a continuous or delayed basis. See "Plan of Distribution" for a further description of the manner in which we may offer and sell the securities covered by this prospectus.

You should read this prospectus and any prospectus supplement carefully before you invest. We may not use this prospectus to sell securities unless it includes a prospectus supplement describing the method and terms of the applicable offering. A prospectus supplement may also add, update, or change information contained in this prospectus. This prospectus is not an offer to sell these securities and it is not soliciting an offer to buy these securities in any state where the offer or sale is not permitted.

We have two classes of common stock, Class A common stock and Class B common stock. The rights of the holders of Class A common stock and Class B common stock are identical, except voting and conversion rights. Each share of Class A common stock is entitled to one vote. Each share of Class B common stock is entitled to ten votes and is convertible at any time into one share of Class A common stock.

Our Class A common stock is listed on the Nasdaq Global Select Market under the symbol "WDAY."

The preferred stock, debt securities, and warrants may be convertible into or exercisable or exchangeable for common or preferred stock of Workday, Inc. or debt or equity securities of one or more other entities. Unless stated otherwise in a prospectus supplement, none of these securities will be listed on any securities exchange.

 **Investing in our securities involves risks. See "Risk Factors" beginning on page [4](#tRIFA), as well as the other information contained or incorporated by reference in this prospectus and the applicable prospectus supplement.** 

 **The Securities and Exchange Commission and state regulators have not approved or disapproved of these securities, or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.** 

#### The date of this prospectus is May 29, 2026.

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#### **TABLE OF CONTENTS**

---

| | |
|:---|:---|
| | **Page**  |
| [ABOUT THIS PROSPECTUS](#tATP)  | [3](#tATP) |
| [WORKDAY, INC.](#tWOIN)  | [3](#tWOIN) |
| [RISK FACTORS](#tRIFA)  | [4](#tRIFA) |
| [SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS](#tSNRF)  | [4](#tSNRF) |
| [USE OF PROCEEDS](#tUOP)  | [5](#tUOP) |
| [DESCRIPTION OF SECURITIES](#tDOS)  | [5](#tDOS) |
| [PLAN OF DISTRIBUTION](#tPOD)  | [6](#tPOD) |
| [LEGAL MATTERS](#tLEMA)  | [6](#tLEMA) |
| [EXPERTS](#tEXP)  | [7](#tEXP) |
| [INFORMATION INCORPORATED BY REFERENCE](#tIIBR)  | [7](#tIIBR) |
| [WHERE YOU CAN FIND ADDITIONAL INFORMATION](#tWYCF)  | [7](#tWYCF) |

---

We are responsible for the information contained and incorporated by reference in this prospectus, in any applicable prospectus supplement, and in any related free writing prospectus we prepare or authorize. We have not authorized anyone to give you any other information, and we take no responsibility for any other information that others may give you. If you are in a jurisdiction where offers to sell, or solicitations of offers to purchase, the securities offered by this document are unlawful, or if you are a person to whom it is unlawful to direct these types of activities, then the offer presented in this document does not extend to you. The information appearing or incorporated by reference in this prospectus, any applicable prospectus supplement, and any related free writing prospectus, is accurate only as of the date thereof, regardless of the time of delivery of this prospectus, any applicable prospectus supplement, or any related free writing prospectus, or of any sale of our securities. Our business, financial condition, and results of operations may have changed since those dates. It is important for you to read and consider all the information contained in this prospectus and in any applicable prospectus supplement, including the documents incorporated by reference herein or therein, in making your investment decision.

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#### ABOUT THIS PROSPECTUS
This prospectus is part of an automatic shelf registration statement on Form S-3 that we filed with the Securities and Exchange Commission ("SEC") as a "well-known seasoned issuer" as defined in Rule 405 under the Securities Act of 1933, as amended (the "Securities Act"). We may sell Class A common stock, preferred stock, debt securities, or warrants described in this prospectus in one or more offerings. There is no limit on the aggregate amount of the securities we may offer pursuant to the registration statement of which this prospectus is a part. This prospectus provides you with a general description of the securities we may offer. Each time we offer securities, we will provide a prospectus supplement that will describe the amounts, prices, and terms of the offered securities. The applicable prospectus supplement may also add, update, or change information contained in this prospectus. If there is any inconsistency between the information in this prospectus and any applicable prospectus supplement, you should rely on the information in the applicable prospectus supplement. You should carefully read this prospectus, any prospectus supplement, information incorporated by reference, and any related free writing prospectus.

The registration statement of which this prospectus is a part, including the exhibits to the registration statement, provides additional information about us and the offered securities. Wherever references are made in this prospectus to information that will be included in a prospectus supplement, to the extent permitted by applicable law, rules, or regulations, we may instead include such information or add, update, or change the information contained in this prospectus by means of a post-effective amendment to the registration statement of which this prospectus is a part, through filings we make with the SEC that are incorporated by reference into this prospectus, or by any other method as may then be permitted under applicable law, rules, or regulations. The registration statement, including the exhibits to the registration statement and any post-effective amendment thereto, can be obtained from the SEC, as described under the heading "Where You Can Find Additional Information."

#### WORKDAY, INC.
Workday is the enterprise AI platform that operates at the core of human resources, finance, and information technology. We deliver cloud-based, AI-powered applications for human capital management ("HCM"), financial management, spend management, and planning. Our diverse customer base includes emerging, medium-sized, and large global organizations within numerous industries, including financial services, government, healthcare, higher education, hospitality, manufacturing, professional and business services, retail, technology and media, and transportation. Workday helps customers deliver better employee experiences, increase productivity, improve operational efficiencies, and provide insights for faster, data-driven decision-making.

We have achieved significant growth since our inception in 2005, when we pioneered HCM in the cloud. As a result of our innovation and commitment to customer success, today we are a Fortune 500 company with more than 11,500 customers around the world.

Unless expressly indicated or the context requires otherwise, the terms "Workday," "Registrant," "company," "we," "us," and "our" in this prospectus, in any applicable prospectus supplement or free writing prospectus or the documents incorporated by reference refer to Workday, Inc., a Delaware corporation, and, where appropriate, its wholly-owned subsidiaries. The term "Workday" may also refer to our products, regardless of the manner in which they are accessed. Our principal executive offices are located at 6110 Stoneridge Mall Road, Pleasanton, California 94588, and our telephone number is (877) WORKDAY. Our website address is www.workday.com. The information on or that can be accessed through our website is not part of this prospectus.

Workday, the Workday logo, all of our product names and our other registered or common law trademarks, service marks, or trade names appearing in this prospectus, this registration statement of which this prospectus is a part, any applicable prospectus supplement or free writing prospectus or the documents incorporated by reference are the property of Workday, Inc., which may be registered in the United States and elsewhere. Other trademarks, service marks, or trade names appearing in this prospectus or the documents incorporated by reference are the property of their respective owners.

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#### RISK FACTORS
Investing in our securities involves a high degree of risk. Before making a decision to invest in our securities, in addition to the other information contained in this prospectus, in any applicable prospectus supplement or free writing prospectus, or incorporated by reference herein or therein, you should carefully consider the risks and uncertainties described under "Risk Factors" contained in the applicable prospectus supplement and any related free writing prospectus, and discussed under "Risk Factors" contained in our most recent Annual Report on Form 10-K and in our most recent Quarterly Report on Form 10-Q, as well as any amendments thereto, which are incorporated by reference into this prospectus in their entirety, together with other information included in this prospectus, the documents incorporated by reference, and any free writing prospectus that we may authorize for use in connection with a specific offering. See "Where You Can Find Additional Information."

#### SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS
This prospectus and any prospectus supplement, including the documents incorporated by reference herein and therein, contain forward-looking statements, which are subject to safe harbor protection under the Private Securities Litigation Reform Act of 1995. All statements contained in or incorporated by reference in this prospectus and any prospectus supplement other than statements of historical fact, including statements regarding our future financial condition and operating results, business strategy and plans, and objectives for future operations, are forward-looking statements. The words "believe," "may," "will," "estimate," "continue," "anticipate," "intend," "expect," "seek," "plan," and similar expressions are intended to identify forward-looking statements. We have based these forward-looking statements largely on our current expectations, beliefs, and projections about future events, conditions, and trends that we believe may affect our financial condition, operating results, business strategy, short-term and long-term business operations and objectives, and financial needs. These forward-looking statements are subject to a number of risks, uncertainties, assumptions, and changes in circumstances that are difficult to predict and many of which are outside of our control, such as those arising from the impact of recent macroeconomic and geopolitical events, as well as those described in the "Risk Factors" section incorporated by reference herein, which we encourage you to read carefully. Moreover, we operate in a very competitive and rapidly changing environment. New risks emerge from time to time. It is not possible for our management to predict all risks, nor can we assess the impact of all factors on our business or the extent to which any factor, or combination of factors, may cause actual results to differ materially from those contained in any forward-looking statements we may make.

In light of these risks, uncertainties, assumptions, and potential changes in circumstances, the future events, conditions, and trends discussed in this prospectus and any prospectus supplement may not occur and actual results could differ materially and adversely from those anticipated or implied by the forward-looking statements. Accordingly, you should not rely upon any forward-looking statements. Although we believe that the expectations reflected in the forward-looking statements are reasonable, we cannot guarantee future results, levels of activities, performance, or achievements. We are under no duty to update any of these forward-looking statements after the date of this prospectus or to conform these statements to actual results or revised expectations, except as required by applicable law. If we do update any forward-looking statements, no inference should be drawn that we will make additional updates with respect to those or other forward-looking statements. You are advised to review any additional disclosures we make in the documents we subsequently file with the SEC that are incorporated by reference in this prospectus and any prospectus supplement. See "Where You Can Find Additional Information."

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#### USE OF PROCEEDS
Unless otherwise specified in the applicable prospectus supplement and/or any applicable free writing prospectus, we intend to use the net proceeds to us from the sale of the securities offered hereby for working capital and other general corporate purposes; however, we do not currently have any specific uses of the net proceeds planned. Additionally, we may use a portion of the net proceeds to us for acquisitions of or investments in complementary businesses, technologies, or other assets. We may also use the net proceeds to refinance or to repay outstanding indebtedness if so specified in the applicable prospectus supplement. Pending other uses, we intend to invest the net proceeds to us in investment-grade, interest-bearing securities such as money market funds, certificates of deposit, or direct or guaranteed obligations of the U.S. government, or hold as cash. We cannot predict whether the net proceeds invested will yield a favorable return. Our management will have broad discretion in the application of the net proceeds we receive from the sale of the securities offered hereby, and investors will be relying on the judgment of our management regarding the application of the net proceeds.

#### DESCRIPTION OF SECURITIES
Our Class A common stock, preferred stock, debt securities, or warrants may be offered under this prospectus. When we decide to sell a particular class of securities, we will set forth in a prospectus supplement a description of the securities that may be offered under this prospectus. The terms of the securities offering, including the initial offering price and the net proceeds to us, will be set forth in the prospectus supplement, or in other filings we make with the SEC under the Securities Exchange Act of 1934, as amended ("Exchange Act"), which are incorporated by reference.

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#### PLAN OF DISTRIBUTION
We may offer and sell the securities being offered hereby in one or more of the following ways from time to time:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • through agents;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • to or through underwriters;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • on any national securities exchange or quotation service on which the securities may be listed or quoted at the time of sale;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • in the over-the-counter market;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • in transactions other than on these exchanges or systems or in the over-the-counter market;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • in "at the market offerings," within the meaning of Rule 415(a)(4) under the Securities Act, to or through a market maker or into an existing trading market, on an exchange or otherwise;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • through the writing or settlement of options or other hedging transactions, whether through an options exchange or otherwise;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • ordinary brokerage transactions and transactions in which the broker-dealer solicits purchasers;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • block trades in which the broker-dealer will attempt to sell the shares as agent but may position and resell a portion of the block as principal to facilitate the transaction;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • purchases by a broker-dealer as principal and resale by the broker-dealer for its account;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • an exchange distribution in accordance with the rules of the applicable exchange;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • directly by us or by selling stockholders to purchasers, including through a specific bidding, auction or other process;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • privately negotiated transactions;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • a combination of any of the above methods of sale; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • through any other method permitted pursuant to applicable law and described in a prospectus supplement.

We will identify the specific plan of distribution, including any underwriters, dealers, agents, or other purchasers, persons, or entities and any applicable compensation and/or indemnification, any over-allotment options by the underwriters, and a brief description of any passive market making that any underwriter or any selling group members intend to engage in and any transactions that any underwriter intends to conduct that stabilizes, maintains or otherwise affects the market price of the securities, together in a prospectus supplement, in an amendment to the registration statement of which this prospectus is a part, or in other filings we make with the SEC under the Exchange Act, which are incorporated by reference.

#### LEGAL MATTERS
Unless otherwise stated in an applicable prospectus supplement, Fenwick & West LLP, Mountain View, California, will provide us with an opinion as to the legality of the securities offered under this prospectus. Counsel representing any underwriters, dealers, or agents will be named in the applicable prospectus supplement.

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#### EXPERTS
Ernst & Young LLP, independent registered public accounting firm, has audited our consolidated financial statements included in our Annual Report on Form 10-K for the fiscal year ended January 31, 2026, and the effectiveness of our internal control over financial reporting as of January 31, 2026, as set forth in their reports, which are incorporated by reference in this prospectus and elsewhere in the registration statement. Our consolidated financial statements are incorporated by reference in reliance on Ernst & Young LLP's reports, given on their authority as experts in accounting and auditing.

#### INFORMATION INCORPORATED BY REFERENCE
The following documents filed with the SEC are hereby incorporated by reference in this prospectus:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • our Annual Report on Form 10-K for the fiscal year ended January 31, 2026, filed with the SEC on [March 6, 2026](http://www.sec.gov/ix?doc=/Archives/edgar/data/1327811/000132781126000014/wday-20260131.htm); the portions of our Definitive Proxy Statement on Schedule 14A, filed with the SEC on [May 5, 2026](http://www.sec.gov/ix?doc=/Archives/edgar/data/1327811/000110465926055687/tm261347-2_def14a.htm), incorporated by reference in Part III of the Annual Report on Form 10-K for the fiscal year ended January 31, 2026;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • our Quarterly Report on Form 10-Q for the fiscal quarter ended April 30, 2026, filed with the SEC on [May 22, 2026](http://www.sec.gov/ix?doc=/Archives/edgar/data/1327811/000132781126000026/wday-20260430.htm);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • our Current Reports on Form 8-K filed with the SEC on [February 4, 2026](http://www.sec.gov/ix?doc=/Archives/edgar/data/1327811/000132781126000004/wday-20260130.htm), [February 9, 2026](http://www.sec.gov/ix?doc=/Archives/edgar/data/1327811/000132781126000007/wday-20260206.htm), [March 6, 2026](http://www.sec.gov/ix?doc=/Archives/edgar/data/1327811/000132781126000016/wday-20260305.htm) and [April 24, 2026](http://www.sec.gov/ix?doc=/Archives/edgar/data/1327811/000132781126000019/wday-20260420.htm); and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • the description of our Class A common stock as set forth in [Exhibit 4.3](http://www.sec.gov/Archives/edgar/data/1327811/000132781120000022/wday-01312020xex43.htm) to our Annual Report on Form 10-K for the fiscal year ended January 31, 2020, filed with the SEC on March 3, 2020.

All reports and other documents subsequently filed by us pursuant to Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act after the date of this prospectus and prior to the termination of the offering of the securities hereunder shall be deemed to be incorporated by reference in this prospectus and to be part hereof from the date of filing of such reports and other documents.

Notwithstanding the statements in the preceding paragraphs, no document, report, or exhibit (or portion of any of the foregoing) or any other information that we have "furnished" or may in the future "furnish" to the SEC pursuant to the Exchange Act shall be incorporated by reference into this prospectus.

We hereby undertake to provide without charge to each person, including any beneficial owner, to whom a copy of this prospectus is delivered, upon written or oral request of any such person, a copy of any or all of the information that has been or may be incorporated by reference in this prospectus but not delivered with the prospectus, other than exhibits to such documents, unless such exhibits have been specifically incorporated by reference thereto. Requests for such copies should be directed to our Investor Relations department by email at IR@workday.com, or by writing at the following address:

Workday, Inc.

6110 Stoneridge Mall Road

Pleasanton, California 94588

#### WHERE YOU CAN FIND ADDITIONAL INFORMATION
We file annual, quarterly, and special reports and other information with the SEC. The SEC maintains an Internet site that contains reports, proxy and information statements, and other information regarding registrants like us that file electronically with the SEC. The address of the site is www.sec.gov. Our Internet address is www.workday.com and our investor relations website is located at investor.workday.com. We make available free of charge, on or through our investor relations website, annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, proxy statements, and amendments to those reports filed or furnished pursuant to Section 13(a), 13(c), 14 or 15(d) of the Exchange Act as soon as reasonably practicable after we electronically file such material with, or furnish it to, the SEC. Any internet addresses provided in this prospectus or any prospectus supplement are for information only and are not intended to be hyperlinks. In addition, the information on or available through our website is not a part of, and is not incorporated or deemed to be incorporated by reference in, this prospectus or any prospectus supplement.

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You should rely only on the information contained or incorporated by reference in this prospectus or any prospectus supplement. We have not authorized anyone to provide you with information different from that contained in this prospectus or any prospectus supplement. The securities offered under this prospectus or any prospectus supplement are offered only in jurisdictions where offers and sales are permitted. The information contained in this prospectus and any prospectus supplement is accurate only as of the date of this prospectus or the prospectus supplement, as the case may be, regardless of the time of delivery of this prospectus, a prospectus supplement, or any sale of the securities.

This prospectus constitutes a part of a registration statement we filed with the SEC under the Securities Act. This prospectus does not contain all of the information set forth in the registration statement, certain parts of which are omitted in accordance with the rules and regulations of the SEC. For further information with respect to us and the offerings made under this prospectus, reference is hereby made to the registration statement. Statements contained herein concerning any document filed as an exhibit are not necessarily complete, and, in each instance, reference is made to the copy of such document filed as an exhibit to the registration statement. Each such statement is qualified in its entirety by such reference.

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### WORKDAY, INC.

### Class A Common Stock Preferred Stock Debt Securities Warrants

#### PROSPECTUS

#### May 29, 2026

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#### PART II

#### INFORMATION NOT REQUIRED IN PROSPECTUS

#### ITEM 14. Other Expenses of Issuance and Distribution
The following table sets forth the estimated costs and expenses payable by us in connection with the offering of the securities being registered.

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| | |
|:---|:---|
| SEC registration fee  | \* |
| Nasdaq listing fee  | \*\* |
| Accounting fees and expenses  | \*\* |
| Legal fees and expenses  | \*\* |
| Printing and engraving  | \*\* |
| Transfer agent and registrar fees  | \*\* |
| Trustee fees  | \*\* |
| Blue sky fees and expenses (including legal fees)  | \*\* |
| Miscellaneous  | \*\* |
| &nbsp;&nbsp;&nbsp; Total  | \*\* |

---

\*

In accordance with Rules 456(b) and 457 (r) of the Securities Act of 1933, as amended (the "Securities Act"), we are deferring payment of the registration fee for the securities offered.

\*\*

The amount of securities and number of offerings are unspecified and the expenses cannot be estimated at this time. An estimate of the aggregate expenses in connection with the sale and distribution of securities being offered will be included in any applicable prospectus supplement.

#### ITEM 15. Indemnification of Directors and Officers
Section 145 of the Delaware General Corporation Law authorizes a court to award, or a corporation's board of directors to grant, indemnity to directors and officers under certain circumstances and subject to certain limitations. The terms of Section 145 of the Delaware General Corporation Law are sufficiently broad to permit indemnification under certain circumstances for liabilities, including reimbursement of expenses incurred, arising under the Securities Act.

As permitted by the Delaware General Corporation Law, the Registrant's restated certificate of incorporation contains provisions that eliminate the personal liability of its directors and officers for monetary damages for any breach of fiduciary duties as a director or officer, respectively, except liability for the following:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • any breach of the director's or officer's duty of loyalty to the Registrant or its stockholders;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • acts or omissions not in good faith or that involve intentional misconduct or a knowing violation of law;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • for a director, under Section 174 of the Delaware General Corporation Law (regarding unlawful dividends and stock purchases);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • any transaction from which the director or officer derived an improper personal benefit; or

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • of an officer in any action by or in the right of the Registrant.

As permitted by the Delaware General Corporation Law, the Registrant's amended and restated bylaws provide that:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • the Registrant is required to indemnify its directors and officers to the fullest extent permitted by the Delaware General Corporation Law, subject to very limited exceptions;

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • the Registrant may indemnify its other employees and agents as set forth in the Delaware General Corporation Law;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • the Registrant is required to advance expenses, as incurred, to its directors and officers in connection with a legal proceeding to the fullest extent permitted by the Delaware General Corporation Law, subject to very limited exceptions; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; • the rights conferred in the amended and restated bylaws are not exclusive.

The Registrant has entered into indemnification agreements with each of its current directors and executive officers to provide these directors and executive officers additional contractual assurances regarding the scope of the indemnification set forth in the Registrant's restated certificate of incorporation and amended and restated bylaws and to provide additional procedural protections. The indemnification provisions in the Registrant's restated certificate of incorporation, amended and restated bylaws, and the indemnification agreements entered into between the Registrant and each of its directors and executive officers may be sufficiently broad to permit indemnification of the Registrant's directors and executive officers for liabilities arising under the Securities Act.

The Registrant currently carries liability insurance for its directors and officers.

#### ITEM 16. Exhibits and Financial Statement Schedules

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | | **Incorporated by Reference Herein**  | **Incorporated by Reference Herein**  | **Incorporated by Reference Herein**  | **Incorporated by Reference Herein**  | |
| **Exhibit <br> No.**  | **Description of Exhibit**  | **Form**  | **File No.**  | **Filing Date**  | **Exhibit <br> No.**  | **Filed <br> Herewith**  |
| &nbsp;&nbsp;&nbsp; 1.1\* | Form of Underwriting Agreement  |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp; 3.1 | [Restated Certificate of Incorporation of the Registrant, as amended](http://www.sec.gov/Archives/edgar/data/1327811/000132781124000165/wday-073120224xex31.htm)  | 10-Q  | 001-35680  | August 28, 2024  | 3.1  |  |
| &nbsp;&nbsp;&nbsp; 3.2 | [Amended and Restated Bylaws of the Registrant](http://www.sec.gov/Archives/edgar/data/1327811/000110465923007534/tm234245d1_ex3-1.htm)  | 8-K  | 001-35680  | January 26, 2023  | 3.1  |  |
| &nbsp;&nbsp;&nbsp; 4.1 | [Form of Registrant's Class A common stock certificate](http://www.sec.gov/Archives/edgar/data/1327811/000119312512409980/d385110dex41.htm)  | S-1/A  | 333-183640  | October 1, 2012  | 4.1  |  |
| &nbsp;&nbsp;&nbsp; 4.2 | [Form of Registrant's Class B common stock certificate](http://www.sec.gov/Archives/edgar/data/1327811/000119312512421886/d420363dex49.htm)  | S-8  | 333-184395  | October 12, 2012  | 4.9  |  |
| &nbsp;&nbsp;&nbsp; 4.3\* | Form of Specimen Preferred Stock Certificate |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp; 4.4\* | Form of Warrant Agreement (including form of warrant certificate) |  |  |  |  |  |
| &nbsp;&nbsp;&nbsp; 4.5 | [Form of Debt Indenture](http://www.sec.gov/Archives/edgar/data/1327811/000132781123000083/wday-06022023xex45.htm)  | S-3  | 333-272372  | June 2, 2023  | 4.5  |  |
| &nbsp;&nbsp;&nbsp; 4.6 | [Form of Debt Securities](http://www.sec.gov/Archives/edgar/data/1327811/000132781123000083/wday-06022023xex46.htm)  | S-3  | 333-272372  | June 2, 2023  | 4.6  |  |
| &nbsp;&nbsp;&nbsp; 5.1 | [Opinion of Fenwick & West LLP](tm2615302d2_ex5-1.htm)  |  |  |  |  | X  |
| &nbsp;&nbsp; 23.1 | [Consent of Ernst & Young LLP, Independent Registered Public Accounting Firm](tm2615302d2_ex23-1.htm)  |  |  |  |  | X  |
| &nbsp;&nbsp; 23.2 | [Consent of Fenwick & West LLP (included in Exhibit 5.1)](tm2615302d2_ex5-1.htm)  |  |  |  |  | X  |
| &nbsp;&nbsp; 24.1 | [Power of Attorney (incorporated by reference to the signature page of this Registration Statement)](#tSIG)  |  |  |  |  | X  |

---

------

[**TABLE OF CONTENTS**](#TOC)

---

| | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|
| | | **Incorporated by Reference Herein**  | **Incorporated by Reference Herein**  | **Incorporated by Reference Herein**  | **Incorporated by Reference Herein**  | |
| **Exhibit <br> No.**  | **Description of Exhibit**  | **Form**  | **File No.**  | **Filing Date**  | **Exhibit <br> No.**  | **Filed <br> Herewith**  |
| &nbsp;&nbsp; 25.1\*\* | Form T-1 Statement of Eligibility of Trustee under Debt Indenture |  |  |  |  |  |
| 107.1 | [Filing Fee Table](tm2615302d1_ex-filingfees.htm)  |  |  |  |  | X  |

---

\*

To be filed by amendment or as an exhibit to a current report on Form 8-K and incorporated herein by reference, if applicable.

\*\*

To be filed in accordance with the requirements of Section 305(b)(2) of the Trust Indenture Act of 1939, as amended, and the applicable rules thereunder.

#### ITEM 17. Undertakings
(a) The undersigned Registrant hereby undertakes:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1)

To file, during any period in which offers or sales are being made, a post-effective amendment to this registration statement:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (i) To include any prospectus required by Section 10(a)(3) of the Securities Act;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (ii)

To reflect in the prospectus any facts or events arising after the effective date of the registration statement (or the most recent post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental change in the information set forth in the registration statement. Notwithstanding the foregoing, any increase or decrease in the volume of securities offered (if the total dollar value of securities offered would not exceed that which was registered) and any deviation from the low or high end of the estimated maximum offering range may be reflected in the form of prospectus filed with the SEC pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price represent no more than a 20% change in the maximum aggregate offering price set forth in the "Calculation of Registration Fee" tables in the effective registration statement; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (iii)

To include any material information with respect to the plan of distribution not previously disclosed in the registration statement or any material change to such information in the registration statement;

*provided*, *however*, that paragraphs (i), (ii) and (iii) above do not apply if the information required to be included in a post-effective amendment by those paragraphs is contained in reports filed with or furnished to the SEC by the Registrant pursuant to Section 13 or Section 15(d) of the Exchange Act, that are incorporated by reference in the registration statement, or is contained in a form of prospectus filed pursuant to Rule 424(b) that is part of the registration statement.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2)

That, for the purpose of determining any liability under the Securities Act, each such post-effective amendment shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial *bona fide* offering thereof.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (3)

To remove from registration by means of a post-effective amendment any of the securities being registered which remain unsold at the termination of the offering.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (4)

That, for the purpose of determining liability under the Securities Act to any purchaser:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (i)

Each prospectus filed by the Registrant pursuant to Rule 424(b)(3) shall be deemed to be part of the registration statement as of the date the filed prospectus was deemed part of and included in the registration statement; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (ii)

Each prospectus required to be filed pursuant to Rule 424(b)(2), (b)(5), or (b)(7) as part of a registration statement in reliance on Rule 430B relating to an offering made pursuant to

------

[**TABLE OF CONTENTS**](#TOC)

Rule 415(a)(1)(i), (vii), or (x) for the purpose of providing the information required by Section 10(a) of the Securities Act shall be deemed to be part of and included in the registration statement as of the earlier of the date such form of prospectus is first used after effectiveness or the date of the first contract of sale of securities in the offering described in the prospectus. As provided in Rule 430B, for liability purposes of the issuer and any person that is at that date an underwriter, such date shall be deemed to be a new effective date of the registration statement relating to the securities in the registration statement to which that prospectus relates, and the offering of such securities at that time shall be deemed to be the initial *bona fide* offering thereof. *Provided, however*, that no statement made in a registration statement or prospectus that is part of the registration statement or made in a document incorporated or deemed incorporated by reference into the registration statement or prospectus that is part of the registration statement will, as to a purchaser with a time of contract of sale prior to such effective date, supersede or modify any statement that was made in the registration statement or prospectus that was part of the registration statement or made in any such document immediately prior to such effective date.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (5)

That, for the purpose of determining liability of the Registrant under the Securities Act to any purchaser in the initial distribution of the securities, the undersigned Registrant undertakes that in a primary offering of securities of the undersigned Registrant pursuant to this registration statement, regardless of the underwriting method used to sell the securities to the purchaser, if the securities are offered or sold to such purchaser by means of any of the following communications, the undersigned Registrant will be a seller to the purchaser and will be considered to offer or sell such securities to such purchaser:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (i)

Any preliminary prospectus or prospectus of the undersigned Registrant relating to the offering required to be filed pursuant to Rule 424;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (ii)

Any free writing prospectus relating to the offering prepared by or on behalf of the undersigned Registrant or used or referred to by the undersigned Registrant;

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (iii)

The portion of any other free writing prospectus relating to the offering containing material information about the undersigned Registrant or its securities provided by or on behalf of the undersigned Registrant; and

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (iv)

Any other communication that is an offer in the offering made by the undersigned Registrant to the purchaser.

(b) The undersigned Registrant hereby undertakes that, for purposes of determining any liability under the Securities Act, each filing of the Registrant's annual report, pursuant to Section 13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee benefit plan's annual report pursuant to Section 15(d) of the Exchange Act) that is incorporated by reference in the registration statement shall be deemed to be a new registration statement relating to the securities offered therein, and the offering of such securities at that time shall be deemed to be the initial *bona fide* offering thereof.

(c) Insofar as indemnification for liabilities arising under the Securities Act may be permitted to directors, officers and controlling persons of the Registrant pursuant to the foregoing provisions, or otherwise, the Registrant has been advised that in the opinion of the SEC such indemnification is against public policy as expressed in the Securities Act and is, therefore unenforceable. In the event that a claim for indemnification against such liabilities (other than the payment by the Registrant of expenses incurred or paid by a director, officer or controlling person of the Registrant in the successful defense of any action, suit or proceeding) is asserted by such director, officer or controlling person in connection with the securities being registered, the Registrant will, unless in the opinion of its counsel the matter has been settled by controlling precedent, submit to a court of appropriate jurisdiction the question whether such indemnification by it is against public policy as expressed in the Securities Act and will be governed by the final adjudication of such issue.

(d) The undersigned Registrant hereby undertakes to file an application for the purpose of determining the eligibility of the trustee to act under subsection (a) of Section 310 of the Trust Indenture Act in accordance with the rules and regulations prescribed by the SEC under Section 305(b)(2) of the Trust Indenture Act.

------

[**TABLE OF CONTENTS**](#TOC)

#### SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and has duly caused this registration statement to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Pleasanton, State of California, on May 29, 2026.

#### WORKDAY, INC.
By:

/s/ Zane Rowe

#### Zane Rowe Chief Financial Officer (Principal Financial Officer)
By:

/s/ Mark Garfield

#### Mark Garfield Chief Accounting Officer (Principal Accounting Officer)

#### POWER OF ATTORNEY
KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below hereby constitutes and appoints Zane Rowe, Chief Financial Officer, and Richard H. Sauer, Chief Legal Officer, Head of Corporate Affairs and Corporate Secretary, and each of them acting individually, as his or her true and lawful attorneys-in-fact and agents, each with full power of substitution and resubstitution, for him or her in any and all capacities, to sign any and all amendments to this registration statement (including pre-effective and post-effective amendments) and supplements to a registration statement, and to file the same, with all exhibits thereto and other documents in connection therewith, with the SEC, granting unto said attorneys-in-fact and agents, with full power of each to act alone, full power and authority to do and perform each and every act and thing requisite and necessary to be done in connection therewith, as fully for all intents and purposes as he or she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, or his or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

Pursuant to the requirements of the Securities Act of 1933, this registration statement on Form S-3 has been signed by the following persons in the capacities and on the dates indicated:

---

| | | |
|:---|:---|:---|
| **Signature**  | **Title**  | **Date**  |
| /s/ Aneel Bhusri <br>**Aneel Bhusri**  | Chief Executive Officer and Director <br> *(Principal Executive Officer)*  | May 29, 2026  |
| /s/ Zane Rowe <br>**Zane Rowe**  | Chief Financial Officer <br> (*Principal Financial Officer*)  | May 29, 2026  |
| /s/ Mark Garfield <br>**Mark Garfield**  | Chief Accounting Officer <br> *(Principal Accounting Officer)*  | May 29, 2026  |
| /s/ Thomas F. Bogan <br>**Thomas F. Bogan**  | Director  | May 29, 2026  |
| /s/ Elizabeth Centoni <br>**Elizabeth Centoni**  | Director  | May 29, 2026  |

---

------

[**TABLE OF CONTENTS**](#TOC)

---

| | | |
|:---|:---|:---|
| **Signature**  | **Title**  | **Date**  |
| /s/ Lynne M. Doughtie <br>**Lynne M. Doughtie**  | Director  | May 29, 2026  |
| /s/ Wayne A.I. Frederick, M.D. <br>**Wayne A.I. Frederick, M.D.**  | Director  | May 29, 2026  |
| /s/ Mark J. Hawkins <br>**Mark J. Hawkins**  | Director  | May 29, 2026  |
| /s/ Michael M. McNamara <br>**Michael M. McNamara**  | Director  | May 29, 2026  |
| /s/ Rhonda J. Morris <br>**Rhonda J. Morris**  | Director  | May 29, 2026  |
| /s/ Michael L. Speiser <br>**Michael L. Speiser**  | Director  | May 29, 2026  |
| /s/ George J. Still Jr. <br>**George J. Still, Jr.**  | Director  | May 29, 2026  |
| /s/ Jerry Yang <br>**Jerry Yang**  | Director  | May 29, 2026  |

---

------

## Exhibit 5.1

**Exhibit 5.1**

![](tm2615302d2_ex5-1img001.jpg)

May 29, 2026

Workday, Inc.<br> 6110 Stoneridge Mall Road<br> Pleasanton, California 94588

Re: Registration Statement on Form S-3ASR

Ladies and Gentlemen:

As counsel to Workday, Inc., a Delaware corporation (the "***Company***"), we have examined the Registration Statement on Form S-3ASR to be filed by the Company with the Securities and Exchange Commission (the "***Commission***") on or about May 29, 2026 (the "***Registration Statement***") in connection with the registration under the Securities Act of 1933, as amended (the "***Securities Act***"), of the offering and sale from time to time of (i) shares of the Company's Class A common stock, $0.001 par value per share (the "***Class A Common Stock***"), (ii) shares of the Company's preferred stock, $0.001 par value per share (the "***Preferred Stock***"), (iii) one or more series of debt securities of the Company (the "***Debt Securities***") issuable pursuant to an indenture (the "***Indenture***") by and between the Company and a financial institution to be identified therein as trustee (the "***Trustee***"), and (iv) warrants to purchase Class A Common Stock, Preferred Stock and/or Debt Securities (the "***Warrants***"). The Class A Common Stock, the Preferred Stock, the Debt Securities, and the Warrants are collectively referred to herein as the "***Securities***." The Securities may be sold from time to time by the Company as set forth in the Registration Statement, the base prospectus contained within the Registration Statement (the "***Prospectus***") and supplements to the Prospectus. The Company has informed us that the Company intends to issue the Securities from time to time on a delayed or continuous basis pursuant to Rule 415 under the Securities Act.

As to matters of fact relevant to the opinions rendered herein, we have examined such documents, certificates and other instruments which we have deemed necessary or advisable, including a certificate addressed to us and dated the date hereof executed by the Company (the "***Opinion Certificate***"). We have not undertaken any independent investigation to verify the accuracy of any such information, representations or warranties or to determine the existence or absence of any fact, and no inference as to our knowledge of the existence or absence of any fact should be drawn from our representation of the Company or the rendering of the opinions set forth below. We have not considered parol evidence in connection with any of the agreements or instruments reviewed by us in connection with this letter.

In our examination of documents for purposes of this letter, we have assumed, and express no opinion as to, the genuineness and authenticity of all signatures on original documents, the authenticity and completeness of all documents submitted to us as originals, that each document is what it purports to be, the conformity to originals of all documents submitted to us as copies or facsimile copies, the absence of any termination, modification or waiver of or amendment to any document reviewed by us (other than as has been disclosed to us), the legal competence or capacity of all persons or entities (other than the Company) executing the same and (other than the Company) the due authorization, execution and delivery of all documents by each party thereto. We have also assumed the conformity of the documents filed with the Commission via the Electronic Data Gathering, Analysis and Retrieval System ("***EDGAR***"), except for required EDGAR formatting changes, to physical copies submitted for our examination.

Workday, Inc.

May 29, 2026

The opinions in this letter are limited to the existing General Corporation Law of the State of Delaware now in effect and, as to the Debt Securities and Warrants constituting valid and binding obligations of the Company, the existing internal laws of the State of New York now in effect (the "***Applicable Laws***"). We express no opinion with respect to any other laws.

In connection with our opinions expressed below, we have assumed that, (i) at or prior to the time of the delivery of any of the Securities, there will not have occurred any change in the law or the facts affecting the validity of the Securities; (ii) the Registration Statement and any amendments (including any necessary post-effective amendments) will have been declared effective under the Securities Act; (iii) at the time of the offer, issuance and sale of any Securities, no stop order suspending the Registration Statement's effectiveness will have been issued and remain in effect; (iv) no future amendments will be made to the Company's current certificate of incorporation (as amended from time to time, the "***Certificate of Incorporation***"), or the Company's Amended and Restated Bylaws (the "***Bylaws***" and, together with the Certificate of Incorporation, the "***Charter Documents***") that would be in conflict with or inconsistent with the Company's right and ability to issue the Securities; (v) at the time of the issuance and sale of the Securities, the Company will be validly existing as a corporation and in good standing under the laws of the State of Delaware; and (vi) at the time of each offer, issuance and sale of any Securities, the Company will have a sufficient number of authorized and unissued and unreserved shares of the applicable class or series of its capital stock included in (or purchasable upon exercise or conversion of) the Securities so issued and sold (after taking into account all other outstanding securities of the Company which may require the Company to issue shares of such applicable class or series) to be able to issue all such shares.

This opinion is qualified by, and is subject to, and we render no opinion with respect to, the following limitations and exceptions to the enforceability of the Debt Securities and the Warrants:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1) The effect of the laws of bankruptcy, insolvency, reorganization, arrangement, moratorium, fraudulent
conveyance, assignment for the benefit of creditors, and other similar laws now or hereinafter in effect relating to or affecting the
rights and remedies of creditors, including the effect of statutory or other laws regarding fraudulent transfers or preferential transfers.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2) The effect of general principles of equity and similar principles, including, without limitation, concepts
of materiality, reasonableness, good faith and fair dealing, public policy and unconscionability, and the possible unavailability of specific
performance, injunctive relief, or other equitable remedies, regardless of whether considered in a proceeding in equity or at law.

Workday, Inc.

May 29, 2026

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3) In the case of the Debt Securities, the effect of laws relating to usury or permissible rates of interest
for loans, forbearances or the use of money.

We express no opinion regarding the effectiveness of any waiver or stay, extension or of unknown future rights. Further, we express no opinion regarding the effect of provisions relating to indemnification, exculpation or contribution to the extent such provisions may be held unenforceable as contrary to federal or state securities laws or public policy.

Based upon the foregoing, and subject to the qualifications and exceptions contained herein, we are of the following opinion:

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1. With respect to the shares of Class A Common Stock registered pursuant to the Registration Statement, when (a) the issuance of and the terms of the offering of such shares of Class A Common Stock and related matters have been duly authorized by all required corporate action of the Company's Board of Directors, or a duly authorized committee thereof (the "***Board***"), and, if required, of the stockholders of the Company in accordance with the Charter Documents and Applicable Laws and (b) if required, certificates representing the shares of Class A Common Stock have been duly executed, countersigned, registered and delivered in accordance with the applicable definitive purchase, underwriting or similar agreement approved by the Board, or upon the conversion or exercise of any Security offered under the Registration Statement, and upon payment of the consideration therefor (in an amount not less than the par value of the Class A Common Stock) provided for therein, then such shares of Class A Common Stock will be validly issued, fully paid and nonassessable.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2. With respect to any particular series of shares of Preferred Stock registered pursuant to the Registration Statement, when (a) the issuance and terms of such shares of Preferred Stock, the terms of the offering thereof and related matters, including the adoption of a certificate of designation (a "***Certificate***") relating to such Preferred Stock conforming to the Charter Documents and the General Corporation Law of the State of Delaware, and the filing of such Certificate with the Secretary of State of the State of Delaware (or the filing of an amendment to the Certificate of Incorporation to similar effect), have been duly authorized by all required corporate action of the Board and, if required, of the stockholders of the Company in accordance with the Charter Documents and Applicable Laws and (b) if required, certificates representing the shares of Preferred Stock have been duly executed, countersigned, registered and delivered in accordance with the applicable definitive purchase, underwriting or similar agreement approved by the Board, or upon conversion or exercise of any other Security offered under the Registration Statement, and upon payment of the consideration therefor (in an amount not less than the par value per share of such Preferred Stock) provided for therein, then such shares of Preferred Stock will be validly issued, fully paid and nonassessable.

Workday, Inc.

May 29, 2026

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3. With respect to any Debt Securities registered pursuant to the Registration Statement, when (a) the issuance of such Debt Securities has been duly authorized by all required corporate action of the Board and, if required, of the stockholders of the Company in accordance with the Charter Documents and Applicable Laws, (b) an Indenture relating to such Debt Securities in the form filed with the Registration Statement as an exhibit has been duly authorized and validly executed and delivered by each of the Company and the Trustee, (c) the specific form and terms of the Debt Securities have been duly established in accordance with the Indenture, duly authorized pursuant to resolutions duly adopted by the Board, and validly executed, authenticated, issued, and delivered in accordance with the Indenture and the applicable definitive purchase, underwriting or similar agreement, in the manner and for the consideration approved by the Board and stated in the prospectus supplement relating thereto (as amended as of the date of such issuance, sale and delivery), or upon the exercise of Warrants to purchase Debt Securities, upon payment of the consideration therefor provided for therein, then such Debt Securities will be validly issued and will constitute valid and binding obligations of the Company.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;4. With respect to any Warrants registered pursuant to the Registration Statement, when (a) the issuance and terms of such Warrants, the terms, execution and delivery of any warrant agreement relating to the Warrants ("***Warrant Agreement***"), the terms of the offering thereof and related matters have been duly authorized by all required corporate action of the Board and, if required, of the stockholders of the Company in accordance with the Charter Documents and Applicable Laws, (b) the Warrant Agreement has been duly authorized and validly executed and delivered by the Company, and (c) such Warrants have been duly executed, issued and delivered by the Company in accordance with the provisions of the Warrant Agreement and the applicable definitive purchase, underwriting or similar agreement approved by the Board, upon payment of the consideration therefor provided for therein, then such Warrants will constitute valid and binding obligations of the Company.

In connection with the opinions expressed above, we have assumed that each of the Debt Securities and the Indenture and the Warrant Agreement governing such Securities are legally valid and binding obligations of each party thereto other than the Company.

We consent to the use of this opinion as an exhibit to the Registration Statement and further consent to all references to us, if any, in the Registration Statement, the Prospectus constituting parts thereof and any amendments thereto. In giving this consent we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations of the Commission thereunder.

*[Concluding Paragraph Follows on Next Page]*

Workday, Inc.

May 29, 2026

This opinion is intended solely for use in connection with the issuance and sale of the Securities subject to the Registration Statement and is not to be relied upon for any other purpose. In providing this letter, we are opining only as to the specific legal issues expressly set forth above, and no opinion shall be inferred as to any other matter or matters. This opinion is rendered on, and speaks only as of, the date of this letter first written above, is based solely on our understanding of facts in existence as of such date after the aforementioned examination and does not address any potential changes in facts, circumstance or law that may occur after the date of this opinion letter. We assume no obligation to advise you of any fact, circumstance, event or change in the law or the facts that may hereafter be brought to our attention, whether or not such occurrence would affect or modify any of the opinions expressed herein.

---

| |
|:---|
| Very truly yours, |
| /s/ Fenwick & West LLP |
| FENWICK & WEST LLP |

---

## Exhibit 23.1

**Exhibit 23.1**

**Consent of Independent Registered Public Accounting Firm**

We consent to the reference to our firm under the caption "Experts" in this Registration Statement (Form S-3) and related Prospectus of Workday, Inc. for the registration of Class A common stock, preferred stock, debt securities, and warrants and to the incorporation by reference therein of our reports dated March 6, 2026, with respect to the consolidated financial statements of Workday, Inc., and the effectiveness of internal control over financial reporting of Workday, Inc., included in its Annual Report (Form 10-K) for the year ended January 31, 2026, filed with the Securities and Exchange Commission.

/s/ Ernst & Young LLP

San Francisco, California

May 29, 2026

## Ex-Filing

?xml version='1.0' encoding='ASCII'? EX-FILING FEES

---

| |
|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Calculation of Filing Fee Tables**  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **S-3**  |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Workday, Inc.**  |

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| | | | | | | | |
|:---|:---|:---|:---|:---|:---|:---|:---|
| | | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Security Type**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Security Class Title**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Fee Calculation or Carry Forward Rule**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Maximum Aggregate Offering Price**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Fee Rate**  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Amount of Registration Fee**  |
| **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** | **Newly Registered Securities** |
| Fees to be Paid | 1 | Equity | Class A Common Stock, $0.001 par value | 457(r) |  | 0.0001381 |  |
| Fees to be Paid | 2 | Equity | Preferred Stock, $0.001 par value | 457(r) |  | 0.0001381 |  |
| Fees to be Paid | 3 | Debt | Debt Securities | 457(r) |  | 0.0001381 |  |
| Fees to be Paid | 4 | Other | Warrants | 457(r) |  | 0.0001381 |  |
| Fees Previously Paid |  |  |  |  |  |  |  |
| **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** | **Carry Forward Securities** |
| Carry Forward Securities |  |  |  |  |  |  |  |
|  |  |  | Total Offering Amounts: | Total Offering Amounts: | $0.00  |  | $0.00  |
|  |  |  | Total Fees Previously Paid:  | Total Fees Previously Paid:  |  |  | $0.00  |
|  |  |  | Total Fee Offsets:  | Total Fee Offsets:  |  |  | $0.00  |
|  |  |  | Net Fee Due:  | Net Fee Due:  |  |  | $0.00  |

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; **Offering Note** <br>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>1</sup> Any securities registered hereunder may be sold separately or as units with other securities registered hereunder. An unspecified aggregate initial offering price and number of the securities of each class is being registered as may from time to time be offered at unspecified prices or be issued on exercise, conversion, or exchange of other securities. Separate consideration may or may not be received for securities that are issuable on exercise, conversion, or exchange of other securities. The Registrant is relying on Rule 456(b) and Rule 457(r) under the Securities Act of 1933, as amended, to defer payment of all of the registration fee. In connection with the securities offered hereby, the Registrant will pay "pay-as-you-go registration fees" in accordance with Rule 456(b). The Registrant will calculate the registration fee applicable to an offer of securities pursuant to this Registration Statement based on the fee payment rate in effect on the date of such fee payment.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>2</sup> See Offering Note 1.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>3</sup> See Offering Note 1.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <sup>4</sup> See Offering Note 1.

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| |
|:---|
| |
| **Rules 457(b) and 0-11(a)(2)** |
| Fee Offset Claims |
| Fee Offset Sources |
| **Rule 457(p)** |
| Fee Offset Claims |
| Fee Offset Sources |

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