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.
How this was made
The 30-second read
Why it matters
The disclosed insider sale reduces Duffield's holding but remains substantial; market may watch for further insider activity.
Market read
Primary insider transaction; may influence short‑term price action for WDAY.
What to watch
Potential tax planning or diversification needs for the insider; the sale does not necessarily indicate operational concerns.
Background
Workday is a leading provider of cloud‑based HR and finance applications; founder David Duffield holds a 10% ownership stake.
Ticker impact
Insider David Duffield sold 94,089 shares for $18.3M via a 10b5‑1 plan, reducing his stake to 105,049 shares.
Possible modest downside pressure over the next few days.
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
- companyWorkday, Inc.
Issuer of the Form 4 filing.
- insiderDavid Duffield
Founder and 10% owner of Workday.


