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Workday Founder David Duffield Sells $15.8M in Stock

Low SignificanceMarch 9, 2026 at 4:31:11 PM EDT

Workday, Inc.

$WDAY4CIK: 0001327811

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Filing Summary

Workday Founder David Duffield Sells $15.8M in Stock

Company: Workday, Inc. (WDAY) Form: 4 | Filed: 2026-03-09 Significance: Low (Based on % of Market Cap)

Insider: DUFFIELD DAVID A Title: N/A | Relationship: 10% Owner

Transaction: • Type: Sale (Rule 10b5-1) • Shares: 107,500 • Price: ~$147.16 (Avg) • Value: $15,819,244 • Owned After: 105,049 (Class A)

Key Insight: Co-founder converted Class B shares to sell $15.8M 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 voting power (holds ~38M Class B shares).

Market Context: Transaction executed under a pre-planned 10b5-1 trading plan adopted in Dec 2025, reducing bearish sentiment implications.

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Comprehensive Analysis

SEC Filing Analysis: Workday, Inc. (WDAY)

Executive Summary

  • Trading Significance: Low (by percentage of market cap)
  • Key Takeaway: Co-founder David Duffield executed a planned sale of $15.8M, representing a negligible percentage of the company's $35B market cap.
  • Market Impact: Neutral - The sale was pre-planned via 10b5-1 and represents a tiny fraction of the insider's total holdings.

Company Information

FieldValue
CompanyWorkday, Inc.
Ticker SymbolWDAY
CIK0001327811
IndustryServices - Computer Processing & Data Preparation

Insider Information

FieldValue
NameDUFFIELD DAVID A
CIK0000938071
Title/PositionN/A (Trustee)
Relationship10% Owner

Transaction Details

FieldValue
Form Type4
Transaction Date2026-03-05
Transaction CodeS (Sale)
Security TypeClass A Common Stock
Shares Involved107,500
Price Per Share~$147.16 (Weighted Avg)
Total Value$15,819,244
Shares Owned After105,049 (Class A)
Ownership TypeIndirect (Trust)

Financial Impact Assessment

Transaction Materiality

MetricValue
Transaction Value$15,819,244
% of Market Cap0.045%
Shares Transacted107,500
% of Shares Outstanding0.041%
Materiality AssessmentLow

Impact Evaluation

  • Market Cap Context: For a Large-Cap company ($35.18B), a $15.8M transaction is routine liquidity management rather than a market-moving event.
  • Ownership Concentration: The insider holds a massive position in Class B Common Stock (38,388,834 shares), which holds super-voting rights. This sale of 107,500 Class A shares represents approximately 0.28% of his total economic interest.
  • Dilution Impact: N/A (Secondary market sale).
  • Transaction Significance: The transaction falls below the 0.1% threshold for market cap significance, categorizing it as low impact despite the high nominal dollar value.

Market Impact Analysis

Stock Impact Prediction

  • Direction: Neutral
  • Reasoning: The sale was conducted under a Rule 10b5-1 trading plan adopted in December 2025. Such plans are automated and do not reflect current insider sentiment regarding the stock's immediate future.

Volume & Sentiment

  • Expected Volume Impact: Negligible. The 107,500 shares represent a small fraction of daily volume for a stock of this liquidity.
  • Sentiment Indicator: Neutral. Founders often diversify wealth over time; retaining ~38 million shares indicates continued strong alignment with shareholders.

Additional Context

Transaction Notes

  • Structure: The insider converted 107,500 shares of Class B stock (which has no expiration) into Class A stock immediately prior to selling the same amount. This is a standard mechanism for founders to liquidate equity.
  • Special Circumstances: Sales were executed pursuant to a Rule 10b5-1 trading plan adopted on December 2, 2025. Prices ranged from $144.77 to $149.78.
Topics:#WDAY#Workday#InsiderTrading#SECFiling#StockMarket#TechStocks#InsiderSell#Form4#InvestmentResearch#MarketAnalysis

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