Workday, Inc.: 10% owner David A. Duffield sold 99,835 shares

What happened David A. Duffield, a 10% owner and trustee of the David A. Duffield Trust, converted 99,835 derivative shares into Class A common stock (no cash consideration) and sold those 99,835 shares in multiple open-market transactions on Oct 9, 2026 for aggregate proceeds of $18,723,975. Reported weighted-average sale prices by tranche were $186.36 (46,607 shares), $186.92 (14,294 shares), $188.19 (14,228 shares), $189.36 (12,732 shares), $190.13 (10,472 shares) and $190.96 (1,502 shares). The conversion entries are reported at $0.00 per share.

Key details

• Transaction date: Oct 9, 2026.
• Sale prices and proceeds: 46,607 shares at $186.36 ($8,685,732); 14,294 at $186.92 ($2,671,764); 14,228 at $188.19 ($2,677,594); 12,732 at $189.36 ($2,410,974); 10,472 at $190.13 ($1,991,086); 1,502 at $190.96 ($286,825). Total proceeds $18,723,975.
• Conversion: 99,835 derivative shares converted to Class A common stock at $0.00. A derivative disposition of 99,835 shares is also reported.
• Shares owned after the transaction: not reported in the filing.
• Footnotes of note: shares held by the David A. Duffield Trust (F1); one sale effected pursuant to a Rule 10b5-1 trading plan adopted Dec 2, 2025 (F2); reported prices are weighted averages with stated ranges for each tranche (F3–F8); Class B shares are convertible into Class A (F10) and automatic conversion conditions described (F9).
• Filing timeliness: not indicated in the filing.

Why it may matter

• Derivative conversion: the filing shows conversion of Class B/common derivative shares into Class A and subsequent sale of those shares.
• Holder status: the reporting person is a 10% owner and the trustee/sole beneficiary of the named trust, not described as an executive in the filing.
• Trading plan: at least one sale was made under a Rule 10b5-1 plan.

The filing does not show why the insider traded or why the company acted.