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sellModerate cluster of 410b5-1 plan

David A Duffield sold $18M of WDAY

owner at Workday, Inc.. 98,446 shares at an average of $187.07, traded Oct 1, 2026, filed Oct 5, 2026.

Warning score
42
Value
$18M
98,446 shares
Holdings after
105,049
-48% from before
From 52-week low
+66%
low $112.50, close $186.75
From 52-week high
-24%
high $245.67, as of Oct 1, 2026

Score components

  • Role
    10% owner
    +12
  • Trade size
    $18.4M at market
    +25
  • Share of holdings sold
    Sold 48% 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 Oct 5, 2026: -1.3%SPY +0.5% · excess -1.7%

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 0000938071-26-000063, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Oct 1, 2026CConversion
Class A Common Stock10b5-1
+98,446$0.00$0203,4956 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-5,300$183.86$974k198,1956 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-9,035$184.69$1.7M189,1606 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-14,166$185.72$2.6M174,9946 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-48,972$186.55$9.1M126,0226 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-4,764$187.50$893k121,2586 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-1,809$188.34$341k119,4496 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-3,800$190.85$725k115,6496 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-3,900$191.48$747k111,7496 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-600$192.26$115k111,1496 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-4,600$194.03$893k106,5496 d ago
Oct 1, 2026SOpen-market sale
Class A Common Stock10b5-1
-1,500$194.77$292k105,0496 d ago
Oct 1, 2026CConversion
Class B Common Stockderivative10b5-1
-98,446$0.00$035,679,8146 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
$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
$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 $18M of WDAY | InsiderTell