DUFFIELD DAVID A sold $18.7M of WDAY
DUFFIELD DAVID A sold 100,780 shares of Workday, Inc. (WDAY) at an average of $185.64 ($184.33–$187.75, $18.71M total) across 5 trades on 2026-09-10 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The sale is a fresh, material disclosure but unlikely to trigger major price movement.
Market read
Primary insider sale; modest materiality; limited trading relevance.
What to watch
The 10b5‑1 plan pre‑arranged; sale may not reflect current outlook.
Background
SEC Form 4 filing discloses insider transactions; required for transparency.
Ticker impact
Insider David A. Duffield sold 100,780 Workday shares for $18.7M via a 10b5‑1 plan.
Potential short‑term pressure on the stock; limited upside/downside impact.
Form 4 is a primary disclosure; $18.7M is material but not large enough to drive a decisive move.
Market effects
Minimal; insider activity does not affect broader HR‑software sector.
None; event is company‑specific.
Low; limited to Workday investors.
Counterpoint
Insider sale could be routine liquidity planning, not a bearish signal.
Key entities
- CompanyWorkday, Inc.
Provider of enterprise cloud applications.
- InsiderDavid A. Duffield
Co‑founder and 10% owner of Workday.


