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sellModerate cluster of 410b5-1 plan

David A Duffield sold $19M of WDAY

owner at Workday, Inc.. 98,971 shares at an average of $188.55, traded Sep 28, 2026, filed Sep 30, 2026.

Warning score
42
Value
$19M
98,971 shares
Holdings after
105,049
-49% from before
From 52-week low
+68%
low $112.50, close $188.60
From 52-week high
-24%
high $247.69, as of Sep 28, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $18.7M at market
    +25
  • Share of holdings sold
    Sold 49% of holdings
    +10
  • Cluster
    4 insiders selling within 14 days
    +15
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

What happened after comparable sells

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

WDAYOct 9, 2026 · close 186.59
Since filing Sep 30, 2026: -2.0%SPY +2.1% · excess -4.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0000938071-26-000061, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 28, 2026CConversion
Class A Common Stock10b5-1
+98,971$0.00$0204,02012 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-2,000$182.67$365k202,02012 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-3,496$183.88$643k198,52412 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-1,904$184.67$352k196,62012 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-1,700$185.78$316k194,92012 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-1,100$186.80$205k193,82012 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-23,779$188.13$4.5M170,04112 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-37,993$188.94$7.2M132,04812 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-23,095$189.84$4.4M108,95312 d ago
Sep 28, 2026SOpen-market sale
Class A Common Stock10b5-1
-3,904$190.60$744k105,04912 d ago
Sep 28, 2026CConversion
Class B Common Stockderivative10b5-1
-98,971$0.00$035,778,26012 d ago

Related signals

Other insiders at Workday, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
42Moderate
WDAYsell 410b5-1
Workday, Inc.
David A Duffield
owner
$19M
99,228 shares
-49%
40Moderate
WDAYsell 410b5-1
Workday, Inc.
Robert Enslin
President, CCO
$1.0M
5,374 shares
-2%
33Weak
WDAYsell 410b5-1
Workday, Inc.
Gerrit S Kazmaier
President, Prod. and Tech.
$511k
2,729 shares
-1%
42Moderate
WDAYsell 410b5-1
Workday, Inc.
Zane Rowe
Chief Financial Officer
$1.1M
6,000 shares
-2%
42Moderate
WDAYsell 410b5-1
Workday, Inc.
David A Duffield
owner
$18M
98,446 shares
-48%
42Moderate
WDAYsell 410b5-1
Workday, Inc.
David A Duffield
owner
$19M
99,613 shares
-49%
27Weak
WDAYsell10b5-1
Workday, Inc.
David A Duffield
owner
$18M
94,089 shares
-47%
27Weak
WDAYsell10b5-1
Workday, Inc.
David A Duffield
owner
$19M
96,545 shares
-48%
27Weak
WDAYsell10b5-1
Workday, Inc.
David A Duffield
owner
$19M
100,780 shares
-49%
27Weak
WDAYsell10b5-1
Workday, Inc.
David A Duffield
owner
$18M
90,615 shares
-46%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

David A Duffield sold $19M of WDAY | InsiderTell