$WDAY

DUFFIELD DAVID A sold $18.3M of WDAY

DUFFIELD DAVID A sold 94,089 shares of Workday, Inc. (WDAY) at an average of $194.69 ($194.04–$195.73, $18.32M total) across 3 trades on 2026-09-18 under a Rule 10b5-1 trading plan.

Original reporting
SEC EDGAR · DUFFIELD DAVID A
Published Sep 21, 2026, 11:09 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 22, 2026, 12:03 AM 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 insider sale reduces Duffield's holding but remains substantial; market may watch for further insider activity.

02

Market read

Primary insider transaction; may influence short‑term price action for WDAY.

03

What to watch

Potential tax planning or diversification needs for the insider; the sale does not necessarily indicate operational concerns.

Relevance 6/10Novelty 8/10Timing: filing date 2026-09-21

Background

Workday is a leading provider of cloud‑based HR and finance applications; founder David Duffield holds a 10% ownership stake.

Company-level read

Ticker impact

$WDAYBearishMedium confidence
Context

Insider David Duffield sold 94,089 shares for $18.3M 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 ($18M) is material for a founder insider; market may interpret it as a negative signal despite the pre‑arranged plan.

Market effects

Minimal impact on the broader enterprise‑software sector; insider sales are company‑specific.

U.S. market only; no regional ripple.

Low; the event is confined to Workday investors.

Counterpoint

The sale was pre‑arranged under a 10b5‑1 plan, so it may not reflect personal sentiment; investors could view it as neutral.

Key entities

  • Workday, Inc.

    Issuer of the Form 4 filing.

  • David Duffield

    Founder and 10% owner of Workday.

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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