Workday Form 144: Trustee reports multiple 10b5-1 sales

Workday insider notice of proposed sales.

Rhea-AI Filing Summary

Workday insider notice of proposed sales. The filing lists proposed and recent sales of Common Stock connected to the David A. Duffield trust, with multiple 10b5-1 sales executed in Q1 2026. Examples include sale notices or transactions of 107,500 and smaller blocks (e.g., 82,884, 81,479, 80,279) reported on specific dates in 2025–2026.

Insights

Corporate Governance Analyst

Routine 10b5-1 trustee dispositions reported; no new corporate action.

These entries show scheduled trustee-level sales under 10b5-1 arrangements for shares of Common Stock tied to the David A. Duffield trust. The reported per-trade share counts include multiple identical 107,500-share entries and smaller blocks in early 2026.

Timing and cash recipients are trustee-level dispositions; subsequent filings would show actual transfer details. This filing is procedural and does not, by itself, indicate changes to company operations or capital structure.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the WDAY Form 144 filing show?

The filing shows proposed and recent sales of Workday common stock tied to the David A. Duffield trust. It lists multiple 10b5-1 sales with per-trade share counts such as 107,500, 82,884, 81,479, and 80,279 on specific dates in 2025–2026.

Are these sales open-market or pre-arranged for WDAY?

The transactions are reported as 10b5-1 sales, indicating they were executed under pre-arranged trading plans. The filing lists dates and share amounts for each 10b5-1 sale but does not describe execution venue or exact proceeds recipients beyond the trustee.

How many shares are shown in the example trades?

Example trade sizes in the filing include repeated entries of 107,500 shares and other blocks of 82,884, 81,479, and 80,279. Each entry is tied to a specific sale date in the provided list for 2025–2026.

Does the Form 144 change Workday's outstanding share count?

No. This Form 144 reports proposed or prior trustee sales of existing shares; it does not state any change to authorized or outstanding shares. It is a notice of disposition rather than an issuance or registration of new shares.

Who appears to control the shares being sold in the WDAY filing?

The shares are associated with the David A. Duffield trust U/T/A 7/14/88. The filing attributes the 10b5-1 sales to that trust and related trustee arrangements rather than to an operational corporate action by Workday.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/18/2026 - 04:30 PM EDT Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0000938071
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	WORKDAY, INC.
SEC File Number	001-35680
Address of Issuer	6110 Stoneridge Mall Road Pleasanton CALIFORNIA 94588
Phone	9259519000
Name of Person for Whose Account the Securities are To Be Sold	DAVID A DUFFIELD TRUST U/T/A 7/14/88
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	10% Stockholder

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	107500	14530775.00	210000000	03/18/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	12/27/2007	Private Placement	Issuer			107500	12/27/2007	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for DAVID A DUFFIELD TRUST U/T/A 7/14/88 6110 Stoneridge Mall Road Pleasanton CA 94588	Common	03/13/2026	107500	14262347.50
10b5-1 Sales for DAVID A DUFFIELD TRUST U/T/A 7/14/88 6110 Stoneridge Mall Road Pleasanton CA 94588	Common	03/10/2026	107500	15284231.75
10b5-1 Sales for DAVID A DUFFIELD TRUST U/T/A 7/14/88 6110 Stoneridge Mall Road Pleasanton CA 94588	Common	03/05/2026	107500	15819248.50
10b5-1 Sales for DAVID A DUFFIELD TRUST U/T/A 7/14/88 6110 Stoneridge Mall Road Pleasanton CA 94588	Common	03/02/2026	107500	14447903.25
10b5-1 Sales for DAVID A DUFFIELD TRUST U/T/A 7/14/88 6110 Stoneridge Mall Road Pleasanton CA 94588	Common	01/08/2026	82884	17385200.81
10b5-1 Sales for DAVID A DUFFIELD TRUST U/T/A 7/14/88 6110 Stoneridge Mall Road Pleasanton CA 94588	Common	01/02/2026	81479	16727043.90
10b5-1 Sales for DAVID A DUFFIELD TRUST U/T/A 7/14/88 6110 Stoneridge Mall Road Pleasanton CA 94588	Common	12/23/2025	80279	17262987.43

144: Remarks and Signature

Remarks
Date of Notice	03/18/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/02/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ David A Duffield
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)