Form4insider filings, from the source

Company · CIK 0001327811 · SIC 7374 — Services-Computer Processing & Data Preparation · Nasdaq

Workday, Inc. · WDAY

Insider activity reported against this company. All insider holders · On EDGAR ↗

1M3M6M1Y2YAll datashares as filed — not split-adjusted
Open-market buys & salesbuys $0 · 0sales $111.6M · 6net −$111.6M
$10k$10k$1M$1M$100M$100MbuyssalesAug 28Sep 2Sep 7Sep 12Sep 17Sep 23Sep 28

Reported at this company — common stock

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 SForm 4 →Sep 24, 8:40 pm EDTDavid A Duffield10% Owner99,613$192.14$19,139,641105,049−48.7%10b5-1
Sep 23, 2026 CForm 4 →Sep 24, 8:40 pm EDTDavid A Duffield10% Owner99,613——204,662—10b5-1
Sep 18, 2026 SForm 4 →Sep 21, 7:09 pm EDTDavid A Duffield10% Owner94,089$194.69$18,318,305105,049−47.2%10b5-1
Sep 18, 2026 CForm 4 →Sep 21, 7:09 pm EDTDavid A Duffield10% Owner94,089——199,138—10b5-1
Sep 15, 2026 SForm 4 →Sep 17, 4:24 pm EDTDavid A Duffield10% Owner96,545$192.28$18,563,623105,049−47.9%10b5-1
Sep 15, 2026 CForm 4 →Sep 17, 4:24 pm EDTDavid A Duffield10% Owner96,545——201,594—10b5-1
Sep 10, 2026 SForm 4 →Sep 14, 4:42 pm EDTDavid A Duffield10% Owner100,780$185.64$18,708,925105,049−49.0%10b5-1
Sep 10, 2026 CForm 4 →Sep 14, 4:42 pm EDTDavid A Duffield10% Owner100,780——205,829—10b5-1
Sep 5, 2026 FForm 4 →Sep 9, 5:57 pm EDTZane RoweChief Financial Officer2,808$195.79$549,778285,652—
Sep 5, 2026 FForm 4 →Sep 9, 5:56 pm EDTGerrit S KazmaierPresident, Prod. and Tech.3,369$195.79$659,617263,019—
Sep 5, 2026 FForm 4 →Sep 9, 5:54 pm EDTRobert EnslinPresident, CCO2,228$195.79$436,220237,241—
Sep 4, 2026 SForm 4 →Sep 9, 5:52 pm EDTDavid A Duffield10% Owner90,615$198.14$17,954,368105,049−46.3%10b5-1
Sep 4, 2026 CForm 4 →Sep 9, 5:52 pm EDTDavid A Duffield10% Owner90,615——195,664—10b5-1
Sep 1, 2026 SForm 4 →Sep 3, 4:25 pm EDTDavid A Duffield10% Owner94,961$199.29$18,924,544105,049−47.5%10b5-1
Sep 1, 2026 CForm 4 →Sep 3, 4:25 pm EDTDavid A Duffield10% Owner94,961——200,010—10b5-1

Reported at this company — derivatives (options, RSUs, warrants)

TradeReported (ET)InsiderSharesAvg priceTotalOwned afterΔ stakeFlags
Sep 23, 2026 CForm 4 →Sep 24, 8:40 pm EDTDavid A Duffield10% Owner99,613——35,877,231—10b5-1
Sep 18, 2026 CForm 4 →Sep 21, 7:09 pm EDTDavid A Duffield10% Owner94,089——35,976,844—10b5-1
Sep 15, 2026 CForm 4 →Sep 17, 4:24 pm EDTDavid A Duffield10% Owner96,545——36,070,933—10b5-1
Sep 10, 2026 CForm 4 →Sep 14, 4:42 pm EDTDavid A Duffield10% Owner100,780——36,167,478—10b5-1
Sep 4, 2026 CForm 4 →Sep 9, 5:52 pm EDTDavid A Duffield10% Owner90,615——36,268,258—10b5-1
Sep 1, 2026 CForm 4 →Sep 3, 4:25 pm EDTDavid A Duffield10% Owner94,961——36,358,873—10b5-1