DUFFIELD DAVID A sold $14.5M of WDAY
DUFFIELD DAVID A sold 107,500 shares of Workday, Inc. (WDAY) at an average of $135.24 ($129.82–$138.30, $14.54M total) across 10 trades on 2026-07-06 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
A large open-market sale by a 10% owner can influence short-term sentiment, but 10b5-1 pre-arrangement generally limits the informational content.
Market read
Traders may adjust near-term positioning around insider-selling headlines, but the 10b5-1 framing suggests limited fundamental read-through.
What to watch
The filing doesn’t state proceeds use or whether additional sales are planned; traders should avoid over-weighting the signal versus broader fundamentals and guidance.
Background
The article is a primary-source SEC Form 4 insider transaction for Workday, Inc. (WDAY).
Ticker impact
Workday 10% owner David A Duffield sold 107,500 shares in an open-market transaction under a pre-arranged 10b5-1 plan on July 6.
Likely limited immediate impact; any effect is more sentiment/positioning than fundamentals.
The filing discloses a sizable sale (~$14.54M) but explicitly states it was executed under a pre-arranged 10b5-1 plan, which typically dampens inference of new negative information.
Market effects
Minimal; this is company-specific insider activity with no sector-wide catalyst described.
None indicated.
None indicated.
Counterpoint
Because the sale was under a pre-arranged 10b5-1 plan, it may reflect liquidity/portfolio rebalancing rather than a view on Workday’s prospects.
Key entities
- issuerWorkday, Inc.
WDAY, the company whose insider transaction is disclosed.
- insiderDavid A. Duffield
10% owner who sold 107,500 shares under a pre-arranged 10b5-1 plan.

