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

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-06-15 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: TWILIO INC (TWLO) CIK: 0001447669 --- Reporting Owner --- Name: ROTTENBERG ERIKA CIK: 0001284038 Role: Director --- Non-Derivative Transactions --- [Transaction #1] Security: Class A Common Stock Date: 2026-06-15 | Code: A (Grant or award) Shares: +398 | Price: $0.00 Shares Owned After: 398 | 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 vested immediately on the date of grant. [F2] Includes RSUs that have been deferred by the Reporting Person. [Transaction #2] Security: Class A Common Stock Date: 2026-06-15 | Code: G (Gift) Shares: -398 | Price: $0.00 Shares Owned After: 0 | Ownership: D (Direct) Footnotes: [F3] Represents shares that were contributed by the Reporting Person to the Reporting Person's trust. [Transaction #3] Security: Class A Common Stock Date: 2026-06-15 | Code: G (Gift) Shares: +398 | Price: $0.00 Shares Owned After: 31,393 | Ownership: I (Indirect) | Nature: By Trust Footnotes: [F4] Represents the shares received by the Reporting Person's trust. [F2] Includes RSUs that have been deferred by the Reporting Person. [F5] Shares are held by The Erika Rottenberg Revocable Trust. --- 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 vested immediately on the date of grant. F2: Includes RSUs that have been deferred by the Reporting Person. F3: Represents shares that were contributed by the Reporting Person to the Reporting Person's trust. F4: Represents the shares received by the Reporting Person's trust. F5: Shares are held by The Erika Rottenberg Revocable Trust. --- Signature --- /s/ /s/ Juliana Chen as attorney-in-fact for Reporting Person (2026-06-17)