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

OMB APPROVAL OMB Number: 3235-0287 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person * DUFFIELD DAVID A   2. Issuer Name and Ticker or Trading Symbol Workday, Inc. [WDAY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director __X__ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman (Last) (First) (Middle) C/O WORKDAY, INC., 6230 STONERIDGE MALL ROAD 3. Date of Earliest Transaction (Month/Day/Year) 09/15/2016 (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 09/15/2016   S(1)   46,078 D $ 87.1477 (2) 657,422 I Dave & Cheryl Duffield Foundation Class A Common Stock 09/15/2016   S(1)   123,293 D $ 88.1549 (3) 534,129 I Dave & Cheryl Duffield Foundation Class A Common Stock 09/15/2016   S(1)   65,937 D $ 88.6644 (4) 468,192 I Dave & Cheryl Duffield Foundation Class A Common Stock 09/16/2016   S(1)   3,415 D $ 87.446 (5) 464,777 I Dave & Cheryl Duffield Foundation Class A Common Stock 09/16/2016   S(1)   111,027 D $ 88.5162 (6) 353,750 I Dave & Cheryl Duffield Foundation Class A Common Stock 09/16/2016   S(1)   2,000 D $ 89.005 (7) 351,750 I Dave & Cheryl Duffield Foundation Class A Common Stock               145,974 (8) D (9)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.		SEC 1474 (9-02)

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

Class B Common Stock

(10) (11)

(10)(11)

(10)(11)

Class A Common Stock

64,282,472

64,282,472

D (12)

Performance Rights

(13)

(13)

(14)

Class A Common Stock

2,817

2,817

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
DUFFIELD DAVID A C/O WORKDAY, INC. 6230 STONERIDGE MALL ROAD PLEASANTON, CA 94588	X	X	Chairman

Signatures

/s/ Stacy Taylor, attorney-in-fact		09/19/2016
**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 on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Dave & Cheryl Duffield Foundation on January 11, 2016.
(2)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $86.5700 to $87.5699, 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(s) set forth in this footnote of this Form 4.
(3)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $87.5700 to $88.5699, 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(s) set forth in this footnote of this Form 4.
(4)	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $88.5700 to $89.5699, 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(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 ranging from $86.9900 to $87.9899, 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 ranging from $87.9900 to $88.9899, 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 ranging from $88.9900 to $89.9899, 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)	Includes 113,727 RSUs that entitle the Reporting Person to receive one share of Class A Common Stock upon settlement, which will take place within 30 days of vesting, from original grants consisting of i) 59,628 RSUs with a grant date of 08/30/2013 which vested or will vest in eight (8) quarterly installments beginning 11/15/2015, ii) 46,492 RSUs with a grant date of 04/15/2014 which vested or will vest in eight (8) quarterly installments beginning 07/15/2016, iii) 46,492 RSUs with a grant date of 04/15/2015 and 11,268 RSUs with a grant date of 04/15/2016 each of which vested or will vest as to 25% of the underlying shares on the one-year anniversary of grant and then quarterly thereafter. All grants are subject to the Reporting Person's continued employment with Workday on the applicable vesting date.
(9)	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, other than 113,727 RSUs described in Footnote 8.
(10)	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.
(11)	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.
(12)	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.
(13)	Represents performance RSUs ("PRSUs") that entitle the Reporting Person to receive one share of Class A common stock in the event that certain performance objectives are achieved, in which case 25% of the PRSUs will vest on 4/15/2017 and the remainder of such PRSUs will vest quarterly over the following three years.
(14)	The PRSUs will expire prior to vesting if the performance goals set as of 1/31/2017 are not met.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.