$WDAY

DUFFIELD DAVID A sold $18.6M of WDAY

DUFFIELD DAVID A sold 96,545 shares of Workday, Inc. (WDAY) at an average of $192.28 ($190.71–$194.39, $18.56M total) across 5 trades on 2026-09-15 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · DUFFIELD DAVID A
Published Sep 17, 2026, 8:24 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 17, 2026, 8:35 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
$WDAY
Bearish
medium confidence
Mentioned
$WDAY
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$WDAYBearishMed
01

Why it matters

The disclosed sale may trigger short-term price volatility as investors reassess insider confidence.

02

Market read

Insider sell of $18.6M is material and could influence Workday's stock price in the near term.

03

What to watch

Potential tax planning or diversification motives; no immediate operational concerns disclosed.

Relevance 6/10Novelty 7/10Timing: post-market 2026-09-15

Background

Form 4 filings disclose insider transactions; a 10b5-1 plan indicates pre-scheduled sales.

Company-level read

Ticker impact

$WDAYBearishMedium confidence
Context

Insider David A. Duffield sold 96,545 shares (~$18.6M) of Workday via a 10b5-1 plan, reducing his stake to 105,049 shares.

Expected impact

Possible modest downside pressure over the next few days.

Evidence & confidence

The sale size is material for a mid-cap and the insider holds a 10% stake, suggesting the market may react to the reduction in ownership.

Market effects

Minimal; reflects only on Workday's governance rather than broader HR software sector.

None; company is US-listed.

Limited to investors tracking insider activity.

Counterpoint

The sale could be routine liquidity planning via 10b5-1, not a negative signal.

Key entities

  • David A. Duffield

    Co-founder and 10% owner of Workday.

  • Workday, Inc.

    Provider of enterprise cloud applications for finance and HR.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

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