144 0001602315 XXXXXXXX LIVE 0001327811 WORKDAY INC 001-35680 6110 Stoneridge Mall Road Pleasanton CA 94588 9259519000 MARK GARFIELD Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

918 171289.62 196000000 10/12/2026 NASDAQ Common 10/05/2026 Restricted Stock Units Issuer N 918 10/05/2026 N/A Y Sales that were executed on October 12, 2026 are being reported on this Form 144 filed on October 13, 2026 given the EDGAR system was not accepting filings on October 12, 2026 in observance of the federal holiday. 10/12/2026 10/14/2025 /s/ Mark Garfield