Transaction · 0000938071-26-000051

Duffield David A

DUFFIELD DAVID A, 10%, reported a transaction classified as unknown at Workday, Inc. involving 90615.000000 shares for an estimated $0.00. Reported holdings after the transaction were 36268258.000000 shares. The stored filing text includes a detected 10b5-1 reference.

unknownSEC transaction code C10%
WDAYWorkday, Inc.
Trade date
Sep 04, 2026
Filing date
Sep 09, 2026
View on SEC Insider profile
Estimated value$0Shares × reported price
Shares traded90.6k$0.00 per share
Holdings after36.2MDirect
% of reported position tradedUnavailableThis security and ownership context
How reported position traded is calculated

Not calculated for derivative securities.

Row-level estimate for this security and ownership context, not the insider’s complete portfolio. Joint ownership, other transactions in the filing, amendments and footnotes can affect interpretation.

WDAY price since this filing

Daily closing prices, with the filing date and available return windows
WDAY · Daily closing priceLoading daily prices…
Filing dateReturn windows appear as prices become available.
Pre-filing1mo ago -12.6%1w ago +0.0%1d ago +0.0%
Returns since7d -3.8%30d -4.4%90d180d1y

Transaction facts

Stored Form 4 columns with their raw values

Derivative
Type
unknown
Code C
Identifier
0000938071-26-000051
Class B Common Stock
Transaction date
Sep 04, 2026
Filed Sep 09, 2026, 09:52 PM · 5d delay
Shares
90,615 sh
$0.00 per share
Estimated value
$0
Computed from shares × price
Holdings after
36,268,258 sh
Direct

Filing signal explanations

Badges describe filing facts only — not predictions.

Cluster 14dRepeat 30dPattern $100kLarge $1.00M
Derivative Transaction Direct Ownership 10b5-1 Detected
Filing-only score

-20 points

Compact filing score computed from stored Form 4 facts. Version v1.

Low filing signal

This filing has a meaningfully negative filing-only score. It is likely less useful as a positive insider-activity signal.

How this score is calculated
  • direct_ownership+6 points

    direct_or_indirect_ownership = D

    Direct ownership reports the insider's personal stake.
  • derivative_transaction-16 points

    is_derivative = true

    Derivative exercise rows are less discretionary than open-market purchases.
  • tenb5_1_detected-10 points

    is_10b5_1 = true

    Stored filing content includes detected 10b5-1 language.
Read the scoring methodology

Signed filing-only points, not a probability or expected return. Version v1.

Reported relationships & other filings

Form 4 relationship flags and nearby filing context

Reported roles

No officer title

Officer NoDirector No10% YesOther No
Footnotes & amended
  1. F1

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

  2. F2

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

  3. F3

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $195.42 to $196.4199, inclusive. The Reporting Person undertakes to

  4. 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

  5. separate price within the range(s) set forth in this footnote of this Form 4.

  6. F4

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $196.43 to $197.4299, inclusive. The Reporting Person undertakes to provid…

  7. F5

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $197.51 to $198.5099, inclusive. The Reporting Person undertakes to provid…

  8. F6

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $198.51 to $199.5099, inclusive. The Reporting Person undertakes to provid…

  9. F7

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $199.52 to $200.5199, inclusive. The Reporting Person undertakes to provid…

  10. F8

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $200.57 to $201.5699, inclusive. The Reporting Person undertakes to provid…

  11. F9

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $201.75 to $202.7499, inclusive. The Reporting Person undertakes to provid…

  12. F10

    The price reported is a weighted average price. These shares were sold in multiple transactions at prices within the range of $204.05 to $205.0499, inclusive. The Reporting Person undertakes to provid…

  13. F11

    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 holder…

  14. F12

    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 au…

Original filing · 0000938071-26-000051
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