=== SEC Form 4 — Statement of Changes in Beneficial Ownership ===
Document Type: 4
Period of Report: 2026-08-10
10b5-1 Pre-arranged Plan: Yes
--- 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: 2026-08-10 | Code: S (Open market sale)
Shares: -487 | Price: $249.17
Total Value: $121,343.45
Shares Owned After: 30,906 | Ownership: I (Indirect) | Nature: By Trust
Footnotes:
[F1] The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 12/10/2025.
[F2] The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $249.00 to $249.99 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
[F3] Shares are held by The Erika Rottenberg Revocable Trust.
[Transaction #2]
Security: Class A Common Stock
Date: 2026-08-10 | Code: S (Open market sale)
Shares: -357 | Price: $250.83
Total Value: $89,547.88
Shares Owned After: 30,549 | Ownership: I (Indirect) | Nature: By Trust
Footnotes:
[F1] The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 12/10/2025.
[F4] The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $250.18 to $251.10 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
[F3] Shares are held by The Erika Rottenberg Revocable Trust.
[Transaction #3]
Security: Class A Common Stock
Date: 2026-08-10 | Code: S (Open market sale)
Shares: -1,504 | Price: $251.74
Total Value: $378,613.05
Shares Owned After: 29,045 | Ownership: I (Indirect) | Nature: By Trust
Footnotes:
[F1] The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 12/10/2025.
[F5] The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $251.29 to $252.16 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
[F3] Shares are held by The Erika Rottenberg Revocable Trust.
[Transaction #4]
Security: Class A Common Stock
Date: 2026-08-10 | Code: S (Open market sale)
Shares: -628 | Price: $252.55
Total Value: $158,601.84
Shares Owned After: 28,417 | Ownership: I (Indirect) | Nature: By Trust
Footnotes:
[F1] The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 12/10/2025.
[F6] The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $252.30 to $252.79 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
[F3] Shares are held by The Erika Rottenberg Revocable Trust.
[Transaction #5]
Security: Class A Common Stock
Date: 2026-08-10 | Code: S (Open market sale)
Shares: -190 | Price: $253.56
Total Value: $48,176.48
Shares Owned After: 28,227 | Ownership: I (Indirect) | Nature: By Trust
Footnotes:
[F1] The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 12/10/2025.
[F7] The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $253.36 to $253.88 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
[F3] Shares are held by The Erika Rottenberg Revocable Trust.
[Transaction #6]
Security: Class A Common Stock
Date: 2026-08-10 | Code: S (Open market sale)
Shares: -334 | Price: $254.78
Total Value: $85,095.68
Shares Owned After: 27,893 | Ownership: I (Indirect) | Nature: By Trust
Footnotes:
[F1] The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 12/10/2025.
[F8] The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $254.51 to $255.40 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
[F3] Shares are held by The Erika Rottenberg Revocable Trust.
--- Footnotes (Complete Index) ---
F1: The sales reported were executed under the Reporting Person's 10b5-1 trading plan, dated as of 12/10/2025.
F2: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $249.00 to $249.99 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3: Shares are held by The Erika Rottenberg Revocable Trust.
F4: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $250.18 to $251.10 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F5: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $251.29 to $252.16 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F6: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $252.30 to $252.79 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F7: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $253.36 to $253.88 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F8: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $254.51 to $255.40 per share, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or to the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
--- Signature ---
/s/ /s/ Evan White as attorney-in-fact for Reporting Person (2026-08-12)
