DUFFIELD DAVID A sold $18.6M of WDAY
DUFFIELD DAVID A sold 96,545 shares of Workday, Inc. (WDAY) at an average of $192.28 ($190.71–$194.39, $18.56M total) across 5 trades on 2026-09-15 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale may trigger short-term price volatility as investors reassess insider confidence.
Market read
Insider sell of $18.6M is material and could influence Workday's stock price in the near term.
What to watch
Potential tax planning or diversification motives; no immediate operational concerns disclosed.
Background
Form 4 filings disclose insider transactions; a 10b5-1 plan indicates pre-scheduled sales.
Ticker impact
Insider David A. Duffield sold 96,545 shares (~$18.6M) of Workday via a 10b5-1 plan, reducing his stake to 105,049 shares.
Possible modest downside pressure over the next few days.
The sale size is material for a mid-cap and the insider holds a 10% stake, suggesting the market may react to the reduction in ownership.
Market effects
Minimal; reflects only on Workday's governance rather than broader HR software sector.
None; company is US-listed.
Limited to investors tracking insider activity.
Counterpoint
The sale could be routine liquidity planning via 10b5-1, not a negative signal.
Key entities
- InsiderDavid A. Duffield
Co-founder and 10% owner of Workday.
- CompanyWorkday, Inc.
Provider of enterprise cloud applications for finance and HR.
