DUFFIELD DAVID A sold $18.0M of WDAY
DUFFIELD DAVID A sold 90,615 shares of Workday, Inc. (WDAY) at an average of $198.14 ($195.81–$204.05, $17.95M total) across 8 trades on 2026-09-04 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale reduces the insider's ownership to 105,049 shares, indicating a notable stake reduction.
Market read
Primary insider sale filing; modest trading relevance.
What to watch
Potential tax planning or diversification motives for the insider.
Background
Form 4 filing discloses insider transactions required by SEC regulations.
Ticker impact
Insider David A. Duffield sold ~18M USD of Workday shares via a 10b5‑1 plan on 2026‑09‑04.
Possible modest downside pressure over the next few days.
The sale represents a significant stake reduction (~15% of holdings) and is disclosed via a primary Form 4 filing.
Market effects
Minimal impact on the broader enterprise‑software sector.
Limited to U.S. markets where Workday trades.
Low global relevance.
Counterpoint
The sale could be a routine liquidity event unrelated to company outlook.
Key entities
- companyWorkday, Inc.
Enterprise‑software provider.
- insiderDavid A. Duffield
Co‑founder and 10% owner of Workday.


