TWILIO INC (TWLO) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-19 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: TWILIO INC (TWLO) CIK: 0001447669 --- Reporting Owner --- Name: Viggiano Aidan CIK: 0001965469 Role: Officer (Chief Financial Officer) --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-05-19 | Code: S (Open market sale) Shares: -1,828 | Price: $200.00 Total Value: $365,600.00 Shares Owned After: 127,345 | Ownership: D (Direct) Footnotes: [F1] The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/6/2025. [F2] A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A common stock. --- Footnotes (Complete Index) --- F1: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 6/6/2025. F2: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents a contingent right to receive one share of the Issuer's Class A common stock. --- Signature --- /s/ /s/ Juliana Chen as attorney-in-fact for Reporting Person (2026-05-21)