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SEC EDGAROCT 51 min read$WDAY

DUFFIELD DAVID A sold $18.4M of WDAY

DUFFIELD DAVID A sold 98,446 shares of Workday, Inc. (WDAY) at an average of $187.07 ($183.86–$194.77, $18.42M total) across 11 trades on 2026-10-01 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · DUFFIELD DAVID A
Published Oct 5, 2026, 8:23 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Oct 5, 2026, 8:25 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.
About AlphAI AI DeskScoring methodologyReport an issue
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

$WDAYBearishLow
01

Why it matters

The disclosed sale is the first public report of this transaction, making it a primary source.

02

Market read

Insider sell of $18M may weigh on WDAY price in the short term.

03

What to watch

Potential tax planning or diversification motives for the 10b5‑1 execution.

Relevance 6/10Novelty 7/10Timing: post‑market on filing day

Background

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

Company-level read

Ticker impact

$WDAYBearishMedium confidence
Context

Insider David Duffield sold $18.4M of Workday shares via a 10b5‑1 plan on 2026‑10‑01.

Expected impact

likely downward pressure as the market prices in the insider sell

Evidence & confidence

A $18M sale by a 10% owner is material for a mid‑cap software firm and is disclosed for the first time.

Market effects

Sector

May prompt scrutiny of other insider holdings in the enterprise‑software sector.

Regional

Limited to U.S. tech equities; no broader regional effect.

Global

Minimal global impact beyond Workday investors.

Counterpoint

What could challenge this read

The sale could be a routine liquidity event unrelated to fundamentals.

Key entities

  • company
    Workday, Inc.

    Enterprise‑software provider whose stock ticker is WDAY.

  • person
    David A. Duffield

    Co‑founder and 10% owner of Workday.

Read at source← All news

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.

WDAY insider trading history →

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