Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Dermetzis Petros
   2. Issuer Name and Ticker or Trading Symbol
Workday, Inc. [WDAY] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Products Officer
(Last)
(First)
(Middle)
C/O WORKDAY, INC., 6110 STONERIDGE MALL ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
03/04/2019
(Street)

PLEASANTON, CA 94588		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock 03/04/2019   S(1)   100 D $ 175.75 (2) 167,998 (3) D  
Class A Common Stock 03/04/2019   S(1)   600 D $ 177.3333 (4) 167,398 (3) D  
Class A Common Stock 03/04/2019   S(1)   857 D $ 178.6053 (5) 166,541 (3) D  
Class A Common Stock 03/04/2019   S(1)   100 D $ 179.24 (6) 166,441 (3) D  
Class A Common Stock 03/04/2019   S(1)   300 D $ 181.2233 (7) 166,141 (3) D  
Class A Common Stock 03/04/2019   S(1)   100 D $ 184.55 (8) 166,041 (3) D  
Class A Common Stock 03/04/2019   S(1)   100 D $ 186.34 (9) 165,941 (3) D  
Class A Common Stock 03/04/2019   S(1)   100 D $ 190.3 (10) 165,841 (3) D  
Class A Common Stock               43,896 I Revocable Trust (11)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) (12) (13)               (12)(13) 05/04/2022 Class A Common Stock 40,000   40,000 D  
Stock Option (right to buy) (12) (14)               (12)(14) 02/18/2021 Class A Common Stock 25,000   25,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Dermetzis Petros
C/O WORKDAY, INC.
6110 STONERIDGE MALL ROAD
PLEASANTON, CA 94588		       Chief Products Officer  

Signatures

 /s/ Juliana Capata, attorney-in-fact   03/06/2019
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person.
(2) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $175.7500 to $176.7499, 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.
(3) Includes 120,282 Restricted Stock Units (RSUs) that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, from original grants consisting of i) 46,492 RSUs with a grant date of 4/15/2014 with remaining vesting dates of 4/15/2018 and 6/15/2018; ii) 46,492 RSUs with a grant date of 4/15/2015, 46,492 RSUs with a grant date of 4/15/2016, 54,247 with a grant date of 4/15/2017, and 66,521 RSUs with a grant date of 4/15/2018, each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant then quarterly thereafter. All grants are subject to the Reporting Person's continued service with the Issuer on the applicable vesting dates.
(4) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $176.7700 to $177.7699, 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(s) set forth in this footnote of this Form 4.
(5) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $178.1700 to $179.1699, 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.
(6) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $179.2400 to $180.2399, 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.
(7) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $180.8500 to $181.8499, 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.
(8) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $184.5500 to $185.5499, 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.
(9) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $186.3400 to $187.3399, 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.
(10) The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices within the range of $190.3000 to $191.2999, 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.
(11) The shares are held in a joint revocable trust dated October 15, 1999. The trust is in the name of the Reporting Person and his spouse, who are both sole trustees and beneficiaries of the trust.
(12) 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 (9) 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.
(13) This stock option grant became fully vested on March 3, 2018.
(14) This stock option grant became fully vested on July 1, 2016.

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