Twilio (TWLO)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-03-24 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: TWILIO INC (TWLO) CIK: 0001447669 --- Reporting Owner --- Name: Robinson Douglas A. CIK: 0001897137 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-03-24 | Code: A (Grant or award) Shares: +3,526 | Price: $0.00 Shares Owned After: 3,526 | Ownership: D (Direct) Footnotes: [F1] The shares reported in this transaction represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock. The RSUs shall vest as follows: 9.8% of the RSUs will vest on June 10, 2026, the one year anniversary of our last annual meeting of stockholders (the "Initial Vesting Date"), 45.1% of the RSUs will vest on the one year anniversary of the Initial Vesting Date and 45.1% of the RSUs will vest on the two year anniversary of the Initial Vesting Date, subject, in each case, to continued service as a director of the Issuer through each such vesting date. [F2] These shares represent RSUs. Each RSU represents a contingent right to receive one share of the Issuer's Class A common stock. --- Footnotes (Complete Index) --- F1: The shares reported in this transaction represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock. The RSUs shall vest as follows: 9.8% of the RSUs will vest on June 10, 2026, the one year anniversary of our last annual meeting of stockholders (the "Initial Vesting Date"), 45.1% of the RSUs will vest on the one year anniversary of the Initial Vesting Date and 45.1% of the RSUs will vest on the two year anniversary of the Initial Vesting Date, subject, in each case, to continued service as a director of the Issuer through each such vesting date. F2: These shares represent 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 (2026-03-26)