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sellWeak10b5-1 plan

David A Duffield sold $18M of WDAY

owner at Workday, Inc.. 94,089 shares at an average of $194.69, traded Sep 18, 2026, filed Sep 21, 2026.

Warning score
27
Value
$18M
94,089 shares
Holdings after
105,049
-47% from before
From 52-week low
+72%
low $112.50, close $193.87
From 52-week high
-22%
high $247.69, as of Sep 18, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $18.3M at market
    +25
  • Share of holdings sold
    Sold 47% of holdings
    +10
  • Cluster
    No other insider selling within 14 days
    0
  • 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 21, 2026: -2.8%SPY +0.7% · excess -3.4%

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 0000938071-26-000057, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Sep 18, 2026CConversion
Class A Common Stock10b5-1
+94,089$0.00$0199,13821 d ago
Sep 18, 2026SOpen-market sale
Class A Common Stock10b5-1
-34,859$194.04$6.8M164,27921 d ago
Sep 18, 2026SOpen-market sale
Class A Common Stock10b5-1
-47,201$194.91$9.2M117,07821 d ago
Sep 18, 2026SOpen-market sale
Class A Common Stock10b5-1
-12,029$195.73$2.4M105,04921 d ago
Sep 18, 2026CConversion
Class B Common Stockderivative10b5-1
-94,089$0.00$035,976,84421 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
98,971 shares
-49%
42Moderate
WDAYsell 410b5-1
Workday, Inc.
David A Duffield
owner
$19M
99,613 shares
-49%
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 $18M of WDAY | InsiderTell