Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Discover the complete record of transactions filed by Duffield David A, Co-Founder and CEO Emeritus. Officer active across 1 company, notably Workday, Inc.. In total, 158 disclosures have been published. Split: 0 buy · 93 sells. Total volume traded: €129m. History available since 1 June 2021. The latest transaction was filed on 9 July 2026 (Cession). Regulator: SEC (Form 4). All data is free.
Companies and markets linked to Duffield David A
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
53,176 sharesClass A Common StockSEC:0000938071-26-000042:3
25 of 158 declarations
About Duffield David A
DUFFIELD DAVID A is Co-Founder and CEO Emeritus and a 10% Owner at Workday, Inc. on XNAS. He has filed 148 forms in total, and among the sampled recent filings, sales dominate with sum_sell_eur of 116158883, no purchases, over a period from 2016-01-15 to 2026-07-07.