DUFFIELD DAVID A sold $18.7M of WDAY
DUFFIELD DAVID A sold 98,971 shares of Workday, Inc. (WDAY) at an average of $188.55 ($182.67–$190.60, $18.66M total) across 9 trades on 2026-09-28 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale reduces a major shareholder's stake, which can be interpreted as a bearish signal, though the pre‑arranged nature of the trade may limit its informational value.
Market read
The filing provides fresh, material data on insider ownership, offering a modest trading cue for investors monitoring insider activity.
What to watch
The 10b5‑1 plan pre‑arranges sales, so the timing may not reflect new information about the business.
Background
Workday (WDAY) is a leading provider of enterprise cloud applications for finance and HR. Insider transactions are disclosed via Form 4 filings.
Ticker impact
Form 4 shows a 10% owner sold ~99k shares for $18.7 M via a 10b5‑1 plan, reducing his stake to 105,049 shares.
likely pressure as the market prices in the insider sell
A $18.7 M sale by a 10% owner is material and signals possible concerns about valuation or upcoming events.
Market effects
May prompt scrutiny of other cloud‑software peers for insider activity.
Limited to U.S. tech equities; no broader regional effect.
Minimal global impact beyond Workday investors.
Counterpoint
The sale could be a routine liquidity event unrelated to fundamentals; price may remain stable.
Key entities
- InsiderDavid A. Duffield
Co‑founder and 10% owner of Workday, executing a pre‑arranged 10b5‑1 sale.
- CompanyWorkday, Inc.
Cloud‑based enterprise software provider listed on NYSE under ticker WDAY.


