Workday Officer Mark Garfield Files Form 144 to Sell 918 Shares Under 10b5-1 Plan

Executive Summary

On October 13, 2026, Workday, Inc. officer Mark S. Garfield submitted a Form 144 filing noticing the proposed sale of 918 shares of Class A / Common Stock with an estimated aggregate market value of $171,289.62 (approximately $186.59 per share). The proposed sale date was October 12, 2026, executed via Morgan Stanley Smith Barney LLC.

Transaction Details

• Security: Common Stock
• Shares to Sell: 918 shares
• Aggregate Market Value: $171,289.62
• Shares Outstanding: 196,000,000 shares
• Acquisition Origin: The shares were acquired on October 5, 2026, through the vesting of Restricted Stock Units (RSUs) granted by the issuer.
• Pre-Scheduled Trading Plan: The transaction was initiated pursuant to a Rule 10b5-1 trading plan adopted on October 14, 2025.

Market & Trading Significance

The trading significance of this filing is categorized as Low. The disposition represents a fractional percentage of the company's 196 million outstanding shares (<0.001%) and is conducted under a pre-established Rule 10b5-1 plan established nearly a year prior, which typically serves to automate equity compensation monetization and cover tax obligations.