Workday Co-Founder Sells $14.7M Stock Under 10b5-1 Plan
Workday, Inc.
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Filing Summary
Workday Co-Founder Sells $14.7M Stock Under 10b5-1 Plan
Company: Workday, Inc. (WDAY) Form: 4 | Filed: 2026-03-25 Significance: Low (Routine 10b5-1 Sale)
Insider: DUFFIELD DAVID A Relationship: 10% Owner
Transaction: • Type: Sale (following Class B conversion) • Shares: 107,500 • Avg Price: ~$136.82 • Value: ~$14,708,651 • Owned After: 105,049 (Class A) / ~38M (Class B)
Key Insight: Co-founder David Duffield converted Class B shares to sell $14.7M in Class A stock. While the dollar value is high, it represents <0.05% of the company's market cap and a tiny fraction of his total holdings.
Market Context: Transaction executed under a Rule 10b5-1 trading plan adopted in Dec 2025, indicating a pre-planned liquidity event rather than sentiment-based trading.
Comprehensive Analysis
SEC Filing Analysis: Workday, Inc. (WDAY)
Executive Summary
- Trading Significance: Low
- Key Takeaway: Co-founder executes pre-planned $14.7M sale representing <0.05% of market cap.
- Market Impact: Neutral; transaction is part of a structured 10b5-1 plan.
Company Information
| Field | Value |
|---|---|
| Company | Workday, Inc. |
| Ticker Symbol | WDAY |
| CIK | 0001327811 |
| Market Cap | $34.20 Billion |
Insider Information
| Field | Value |
|---|---|
| Name | DUFFIELD DAVID A |
| CIK | 0000938071 |
| Relationship | 10% Owner |
| Role | Co-Founder / Trustee |
Transaction Details
| Field | Value |
|---|---|
| Form Type | 4 |
| Transaction Date | 2026-03-23 |
| Transaction Code | S (Sale) |
| Security Type | Class A Common Stock |
| Shares Sold | 107,500 |
| Avg Price Per Share | ~$136.82 |
| Total Value | ~$14,708,651 |
| Shares Owned After | 105,049 (Class A) |
| Ownership Type | Direct (Trust) |
Note: The reporting person also holds 37,958,834 shares of Class B Common Stock.
Financial Impact Assessment
Transaction Materiality
| Metric | Value |
|---|---|
| Transaction Value | $14,708,651 |
| % of Market Cap | 0.043% |
| Shares Transacted | 107,500 |
| % of Shares Outstanding | 0.042% |
| Materiality Assessment | Low |
Impact Evaluation
- Market Cap Context: For a $34.2B company, a $14.7M transaction is negligible (0.04%), despite the high absolute dollar figure.
- Ownership Concentration: Duffield retains massive ownership through ~38 million Class B shares (super-voting). This sale represents approximately 0.28% of his total equity interest.
- Dilution Impact: None; this is a sale of existing equity.
Market Impact Analysis
Stock Impact Prediction
- Direction: Neutral
- Reasoning: The sale was executed under a Rule 10b5-1 trading plan (adopted Dec 2, 2025), removing discretionary timing concerns. The volume is insufficient to impact the stock price of a large-cap issuer.
Volume & Sentiment
- Expected Volume Impact: Negligible.
- Sentiment Indicator: Neutral. Insider sales by founders for diversification or liquidity are standard and do not typically signal bearishness when done via 10b5-1 plans.
Additional Context
Transaction Notes
- Structure: The insider converted 107,500 shares of Class B stock (Code C) into Class A stock immediately prior to selling them.
- 10b5-1 Plan: The presence of this plan (Footnote 2) confirms this trade was scheduled months in advance, mitigating negative signaling.
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Important Disclaimer
This content is drawn from public SEC filings and may contain errors. It is for informational purposes only and is not investment, legal, or tax advice.
Nothing here is a recommendation to buy, sell, or hold any security. Do your own due diligence.