TWLO

SEC source: 0001127602-19-004356 · form4.xml · nonDerivative · entry 4

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 216,640

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-004657 · form4.xml · nonDerivative · entry 1

ROTTENBERG ERIKA · CIK 0001284038 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Trust

Disclosed balance after: 6,447

F1 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F2 · ownership.nature: Shares are held by The Erika Rottenberg Revocable Trust.

SEC source: 0001127602-19-004659 · form4.xml · derivative · entry 3

DONIO ELENA A. · CIK 0001219068 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,752

Underlying: Class A Common Stock · 4,981 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F3 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F3 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F3 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F3 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

SEC source: 0001127602-19-004659 · form4.xml · nonDerivative · entry 2

DONIO ELENA A. · CIK 0001219068 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,900

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F1 · balance_after: 3,895 of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-004659 · form4.xml · nonDerivative · entry 1

DONIO ELENA A. · CIK 0001219068 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,881

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: 3,895 of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-004356 · form4.xml · derivative · entry 8

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 689,200

Underlying: Class A Common Stock · 5,000 shares

Expires 2024-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · derivative.exercise_date: The shares subject to the stock option vest as follows: 25% of the stock option vested on February 28, 2018 and the remaining shares subject to the stock option shall vest in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001127602-19-004356 · form4.xml · nonDerivative · entry 3

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,840

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $113.51 to $114.37 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.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-004356 · form4.xml · nonDerivative · entry 2

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 217,734

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F3 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.50 to $113.49 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.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-004356 · form4.xml · nonDerivative · entry 1

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,840

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · derivative · entry 13

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 694,200

Underlying: Class A Common Stock · 5,000 shares

Expires 2024-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · derivative.exercise_date: The shares subject to the stock option vest as follows: 25% of the stock option vested on February 28, 2018 and the remaining shares subject to the stock option shall vest in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 11

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,840

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F10 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.85 to $113.00 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.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 10

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,040

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.80 to $112.60 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.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 9

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 215,716

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.73 to $111.72 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.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 8

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,840

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0000899243-19-002691 · doc4.xml · nonDerivative · entry 2

Deeter Byron B · CIK 0001506450 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,079,413

F4 · shares: Represents 1,681,359 and 1,398,054 shares received by Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII .L.P ("BVP VIII" and together with BVP VIII Inst, the "BVP VIII Funds"), respectively, pursuant to the Merger Agreement.

F4 · price: Represents 1,681,359 and 1,398,054 shares received by Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII .L.P ("BVP VIII" and together with BVP VIII Inst, the "BVP VIII Funds"), respectively, pursuant to the Merger Agreement.

F4 · ownership.nature: Represents 1,681,359 and 1,398,054 shares received by Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII .L.P ("BVP VIII" and together with BVP VIII Inst, the "BVP VIII Funds"), respectively, pursuant to the Merger Agreement.

F5 · ownership.nature: Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P."), which is the general partner of the BVP VIII Funds. Mr. Deeter is a director of Deer VIII Ltd. Mr. Deeter disclaims beneficial ownership of the securities held by the BVP VIII Funds, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of his pecuniary interest, if any, in such securities by virtue of his interest in Deer VIII Ltd, his interest in Deer VIII L.P., and his indirect limited partnership interest in the BVP VIII Funds.

SEC source: 0000899243-19-002691 · doc4.xml · nonDerivative · entry 1

Deeter Byron B · CIK 0001506450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,248

F1 · shares: Pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement"), (i) each share of common stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement, and (ii) each restricted stock unit ("RSU") representing a share of SendGrid common stock was cancelled and automatically converted into 0.485 fully-vested shares of Class A Common Stock of Twilio, rounded down to the nearest whole share.

F2 · shares: (Continued from footnote 1) Mr. Deeter held 5,651 SendGrid RSUs that pursuant to the Merger Agreement converted into 2,740 fully-vested shares of Class A Common Stock of Twilio. Mr. Deeter also held 38,368 shares of common stock of SendGrid that pursuant to the Merger Agreement converted into 18,608 shares of Class A Common Stock of Twilio.

F1 · price: Pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement"), (i) each share of common stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement, and (ii) each restricted stock unit ("RSU") representing a share of SendGrid common stock was cancelled and automatically converted into 0.485 fully-vested shares of Class A Common Stock of Twilio, rounded down to the nearest whole share.

F2 · price: (Continued from footnote 1) Mr. Deeter held 5,651 SendGrid RSUs that pursuant to the Merger Agreement converted into 2,740 fully-vested shares of Class A Common Stock of Twilio. Mr. Deeter also held 38,368 shares of common stock of SendGrid that pursuant to the Merger Agreement converted into 18,608 shares of Class A Common Stock of Twilio.

F3 · balance_after: Includes (i) 6,005 shares of Class A Common Stock and (ii) 3,895 restricted stock units previously granted to Mr. Deeter, each of which units represents a contingent right to receive one share of Class A Common Stock of Twilio upon vesting.

SEC source: 0000899243-19-002687 · doc4.xml · nonDerivative · entry 1

Bessemer Venture Partners VIII L.P. · CIK 0001508900 · Director

Bessemer Venture Partners VIII Institutional L.P. · CIK 0001508902 · Director

Deer VIII & Co. L.P. · CIK 0001559306 · Director

Deer VIII & Co. Ltd. · CIK 0001559311 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 3,079,413

F1 · kind: Acquired pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement", and the transactions contemplated therein, the "Merger"), whereby each share of Common Stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement. Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII L.P. ("BVP VIII" and, together with BVP VIII Inst, the "BVP VIII Funds"), owned 3,466,721 and 2,882,587 shares, respectively, of SendGrid's Common Stock, which converted in the Merger into 1,681,359 and 1,398,054 shares, respectively, of Twilio's Class A Common Stock.

F3 · kind: Byron Deeter is a director of Twilio and is a director of Deer VIII Ltd. Mr. Deeter also is a director of Deer VII & Co. Ltd. ("Deer VII Ltd."), which is the general partner of Deer VII & Co. L.P. ("Deer VII L.P."), which is the general partner of Bessemer Venture Partners VII Institutional L.P. ("BVP VII Inst"), BVP VII Special Opportunity Fund L.P. ("BVP VII SOF") and Bessemer Venture Partners VII L.P. ("BVP VII"). Each of BVP VII Inst, BVP VII SOF, BVP VII and 15 Angels LLC, a wholly-owned subsidiary of BVP VII Inst (collectively, the "BVP VII Funds" and, together with Deer VII Ltd. and Deer VII L.P., the "BVP VII Entities"), beneficially owns shares of Twilio's Class B Common Stock. Mr. Deeter serves as a representative of the BVP VII Entities and the BVP VIII Entities on the Board of Directors of Twilio.

F1 · price: Acquired pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement", and the transactions contemplated therein, the "Merger"), whereby each share of Common Stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement. Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII L.P. ("BVP VIII" and, together with BVP VIII Inst, the "BVP VIII Funds"), owned 3,466,721 and 2,882,587 shares, respectively, of SendGrid's Common Stock, which converted in the Merger into 1,681,359 and 1,398,054 shares, respectively, of Twilio's Class A Common Stock.

F1 · ownership.nature: Acquired pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement", and the transactions contemplated therein, the "Merger"), whereby each share of Common Stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement. Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII L.P. ("BVP VIII" and, together with BVP VIII Inst, the "BVP VIII Funds"), owned 3,466,721 and 2,882,587 shares, respectively, of SendGrid's Common Stock, which converted in the Merger into 1,681,359 and 1,398,054 shares, respectively, of Twilio's Class A Common Stock.

F2 · ownership.nature: Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P." and, together with Deer VIII Ltd. and the BVP VIII Funds, the "BVP VIII Entities"), which is the general partner of the BVP VIII Funds. Deer VIII Ltd. and Deer VIII L.P. disclaim beneficial ownership of the securities held by the BVP VIII Funds, and this report shall not be deemed an admission that Deer VIII Ltd. and Deer VIII L.P. are the beneficial owners of such securities, except to the extent of their pecuniary interest therein, if any, by virtue of their direct and indirect general partner interests in the BVP VIII Funds.

F3 · ownership.nature: Byron Deeter is a director of Twilio and is a director of Deer VIII Ltd. Mr. Deeter also is a director of Deer VII & Co. Ltd. ("Deer VII Ltd."), which is the general partner of Deer VII & Co. L.P. ("Deer VII L.P."), which is the general partner of Bessemer Venture Partners VII Institutional L.P. ("BVP VII Inst"), BVP VII Special Opportunity Fund L.P. ("BVP VII SOF") and Bessemer Venture Partners VII L.P. ("BVP VII"). Each of BVP VII Inst, BVP VII SOF, BVP VII and 15 Angels LLC, a wholly-owned subsidiary of BVP VII Inst (collectively, the "BVP VII Funds" and, together with Deer VII Ltd. and Deer VII L.P., the "BVP VII Entities"), beneficially owns shares of Twilio's Class B Common Stock. Mr. Deeter serves as a representative of the BVP VII Entities and the BVP VIII Entities on the Board of Directors of Twilio.

SEC source: 0001127602-19-004253 · form4.xml · nonDerivative · entry 1

EPSTEIN JEFFREY E · CIK 0001228718 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 26,484

F1 · shares: Pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement"), each share of common stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement. Mr. Epstein held 26,800 shares of common stock of SendGrid that pursuant to the Merger Agreement converted into 12,998 shares of Class A Common Stock of Twilio.

F2 · ownership.nature: These shares are held by the Epstein Family Revocable Trust.

SEC source: 0000899243-19-004327 · doc4a.xml · nonDerivative · entry 3

Deeter Byron B · CIK 0001506450 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 329,175

F5 · shares: The Byron B. Deeter and Allison K. Deeter Trustees UTD July 28, 2000 held 38,368 shares of common stock of SendGrid that pursuant to the Merger Agreement converted into 18,608 shares of Class A Common Stock of Twilio.

F7 · shares: This form is being amended to reflect the indirect ownership of the 38,368 shares of common stock of SendGrid held by the Byron B. Deeter and Allison K. Deeter Trustees UTD July 28, 2000 that pursuant to the Merger Agreement converted into 18,608 shares of Class A Common Stock of Twilio.

F1 · price: Pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement"), (i) each share of common stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement, and (ii) each restricted stock unit ("RSU") representing a share of SendGrid common stock was cancelled and automatically converted into 0.485 fully-vested shares of Class A Common Stock of Twilio, rounded down to the nearest whole share. Mr. Deeter held 5,651 SendGrid RSUs that pursuant to the Merger Agreement converted into 2,740 fully-vested shares of Class A Common Stock of Twilio.

F6 · ownership.nature: These shares are held by the Byron B. Deeter and Allison K. Deeter Trustees UTD July 28, 2000.

SEC source: 0000899243-19-004327 · doc4a.xml · nonDerivative · entry 2

Deeter Byron B · CIK 0001506450 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 3,079,413

F3 · shares: Represents 1,681,359 and 1,398,054 shares received by Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII .L.P ("BVP VIII" and together with BVP VIII Inst, the "BVP VIII Funds"), respectively, pursuant to the Merger Agreement.

F3 · price: Represents 1,681,359 and 1,398,054 shares received by Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII .L.P ("BVP VIII" and together with BVP VIII Inst, the "BVP VIII Funds"), respectively, pursuant to the Merger Agreement.

F3 · ownership.nature: Represents 1,681,359 and 1,398,054 shares received by Bessemer Venture Partners VIII Institutional L.P. ("BVP VIII Inst") and Bessemer Venture Partners VIII .L.P ("BVP VIII" and together with BVP VIII Inst, the "BVP VIII Funds"), respectively, pursuant to the Merger Agreement.

F4 · ownership.nature: Deer VIII & Co. Ltd. ("Deer VIII Ltd.") is the general partner of Deer VIII & Co. L.P. ("Deer VIII L.P."), which is the general partner of the BVP VIII Funds. Mr. Deeter is a director of Deer VIII Ltd. Mr. Deeter disclaims beneficial ownership of the securities held by the BVP VIII Funds, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such securities, except to the extent of his pecuniary interest, if any, in such securities by virtue of his interest in Deer VIII Ltd, his interest in Deer VIII L.P., and his indirect limited partnership interest in the BVP VIII Funds.

SEC source: 0000899243-19-004327 · doc4a.xml · nonDerivative · entry 1

Deeter Byron B · CIK 0001506450 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,640

F1 · shares: Pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement"), (i) each share of common stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement, and (ii) each restricted stock unit ("RSU") representing a share of SendGrid common stock was cancelled and automatically converted into 0.485 fully-vested shares of Class A Common Stock of Twilio, rounded down to the nearest whole share. Mr. Deeter held 5,651 SendGrid RSUs that pursuant to the Merger Agreement converted into 2,740 fully-vested shares of Class A Common Stock of Twilio.

F7 · shares: This form is being amended to reflect the indirect ownership of the 38,368 shares of common stock of SendGrid held by the Byron B. Deeter and Allison K. Deeter Trustees UTD July 28, 2000 that pursuant to the Merger Agreement converted into 18,608 shares of Class A Common Stock of Twilio.

F1 · price: Pursuant to the Agreement and Plan of Merger and Reorganization, dated October 15, 2018, by and between Twilio Inc. ("Twilio"), SendGrid, Inc. ("SendGrid") and Topaz Merger Subsidiary, Inc., as amended on December 13, 2018 (the "Merger Agreement"), (i) each share of common stock of SendGrid was canceled and automatically converted into 0.485 shares of Class A Common Stock of Twilio, with fractional shares being paid in cash as provided in the Merger Agreement, and (ii) each restricted stock unit ("RSU") representing a share of SendGrid common stock was cancelled and automatically converted into 0.485 fully-vested shares of Class A Common Stock of Twilio, rounded down to the nearest whole share. Mr. Deeter held 5,651 SendGrid RSUs that pursuant to the Merger Agreement converted into 2,740 fully-vested shares of Class A Common Stock of Twilio.

F2 · balance_after: Includes (i) 6,005 shares of Class A Common Stock and (ii) 3,895 restricted stock units previously granted to Mr. Deeter, each of which units represents a contingent right to receive one share of Class A Common Stock of Twilio upon vesting.

SEC source: 0001127602-19-003909 · form4.xml · derivative · entry 3

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 110,697

Underlying: Class A Common Stock · 110,697 shares

Expires 2029-01-30

F4 · derivative.exercise_date: The stock option vests as follows: 33% of the stock option shall vest on December 31, 2020, 33% of the stock option shall vest on December 31, 2021 and 34% of the stock option shall vest on December 31, 2022, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001127602-19-003909 · form4.xml · nonDerivative · entry 1

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 180,926

F1 · shares: 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: 33% of the RSUs shall vest on December 31, 2020, 33% of the RSUs shall vest on December 31, 2021 and 34% of the RSUs shall vest on December 31, 2022, subject to the Reporting Person's continued service to the Issuer through each vesting date.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003908 · form4.xml · derivative · entry 3

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 27,060

Underlying: Class A Common Stock · 27,060 shares

Expires 2029-01-30

F4 · derivative.exercise_date: The stock option shall vest as follows: 33% of the stock option shall vest on December 31, 2020, 33% of the stock option shall vest on December 31, 2021 and 34% of the stock option shall vest on December 31, 2022, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001127602-19-003908 · form4.xml · nonDerivative · entry 1

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 55,151

F1 · shares: 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: 33% of the RSUs shall vest on December 31, 2020, 33% of the RSUs shall vest on December 31, 2021 and 34% of the RSUs shall vest on December 31, 2022, subject to the Reporting Person's continued service to the Issuer through each vesting date.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · derivative · entry 14

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,798

Underlying: Class A Common Stock · 73,798 shares

Expires 2029-01-30

F12 · derivative.exercise_date: The stock option vests as follows: 33% of the stock option shall vest on December 31, 2020, 33% of the stock option shall vest on December 31, 2021 and 34% of the stock option shall vest on December 31, 2022, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001127602-19-003928 · form4.xml · derivative · entry 12

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 699,200

Underlying: Class A Common Stock · 5,000 shares

Expires 2024-02-27

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · derivative.exercise_date: The shares subject to the stock option vest as follows: 25% of the stock option vested on February 28, 2018 and the remaining shares subject to the stock option shall vest in equal monthly installments over the following three years, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 7

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,840

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $112.28 to $113.15 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.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 6

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 214,740

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $111.21 to $112.19 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.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 5

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 217,540

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $110.20 to $111.18 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.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 4

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,540

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 3

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,640

F3 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.80 to $104.23 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.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 2

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 218,840

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-003928 · form4.xml · nonDerivative · entry 1

Hu George · CIK 0001386396 · Chief Operating Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 213,840

F1 · shares: 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: 33% of the RSUs shall vest on December 31, 2020, 33% of the RSUs shall vest on December 31, 2021 and 34% of the RSUs shall vest on December 31, 2022, subject to the Reporting Person's continued service to the Issuer through each vesting date.

F2 · balance_after: A portion of these shares represent RSUs. Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-002599 · form4.xml · nonDerivative · entry 5

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 69,542

F1 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F7 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $105.50 to $105.91 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 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001127602-19-002599 · form4.xml · nonDerivative · entry 4

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 71,013

F1 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.50 to $105.48 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 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001127602-19-002599 · form4.xml · nonDerivative · entry 3

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 79,184

F1 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.48 to $104.47 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 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001127602-19-002599 · form4.xml · nonDerivative · entry 2

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 85,696

F1 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.45 to $103.44 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 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001127602-19-002599 · form4.xml · nonDerivative · entry 1

Lawson Jeff · CIK 0001665930 · Director · Chief Executive Officer · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lawson Revocable Trust

Disclosed balance after: 88,240

F1 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F2 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $101.44 to $102.40 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 · ownership.nature: Erica Freeman Lawson and Jeffrey Gordon Lawson Trustees of the Lawson Revocable Trust dated 10/2/11.

SEC source: 0001127602-19-002607 · form4.xml · derivative · entry 13

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,517

Underlying: Class A Common Stock · 2,115 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F12 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class B Common Stock.

SEC source: 0001127602-19-002607 · form4.xml · derivative · entry 12

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,632

Underlying: Class A Common Stock · 253 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F12 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class B Common Stock.

SEC source: 0001127602-19-002607 · form4.xml · derivative · entry 11

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 158,792

Underlying: Class B Common Stock · 253 shares

Expires 2024-10-28

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_date: 25% of the shares subject to this option vested on September 2, 2015, and the remaining shares subject to this option vest in 36 equal monthly installments thereafter, subject to the Reporting Person's continued service to the Issuer through each vesting date. The option is early exercisable by the Reporting Person.

F11 · derivative.underlying: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

SEC source: 0001127602-19-002607 · form4.xml · derivative · entry 10

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,379

Underlying: Class A Common Stock · 1,862 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F11 · security: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_price: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.exercise_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F11 · derivative.expiration_date: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

F12 · balance_after: A portion of these shares represent RSUs. Each RSU represents a contingent right to receive one share of Issuer's Class B Common Stock.

SEC source: 0001127602-19-002607 · form4.xml · derivative · entry 9

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 22,939

Underlying: Class B Common Stock · 1,862 shares

Expires 2025-12-30

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F10 · derivative.exercise_date: The shares subject to this option vest in 48 equal monthly installments, with the first installment on February 15, 2016, subject to the Reporting Person's continuous service to the Issuer through each vesting date. The option is early exercisable by the Reporting Person.

F11 · derivative.underlying: Each share of Class B common stock is convertible into one share of Class A common stock at the option of the holder and has no expiration date.

SEC source: 0001127602-19-002607 · form4.xml · nonDerivative · entry 8

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Karyn Smith Revocable Trust

Disclosed balance after: 2,821

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F9 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.82 to $105.42 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 · ownership.nature: The Karyn Smith Revocable Trust U/A/D 9/15/06 Amended 12/23/11, Karyn Smith Trustee.

SEC source: 0001127602-19-002607 · form4.xml · nonDerivative · entry 7

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Karyn Smith Revocable Trust

Disclosed balance after: 3,467

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F8 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.51 to $104.185 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 · ownership.nature: The Karyn Smith Revocable Trust U/A/D 9/15/06 Amended 12/23/11, Karyn Smith Trustee.

SEC source: 0001127602-19-002607 · form4.xml · nonDerivative · entry 6

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Karyn Smith Revocable Trust

Disclosed balance after: 3,767

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F6 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $102.30 to $102.7675 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 · ownership.nature: The Karyn Smith Revocable Trust U/A/D 9/15/06 Amended 12/23/11, Karyn Smith Trustee.

SEC source: 0001127602-19-002607 · form4.xml · nonDerivative · entry 5

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,698

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-002607 · form4.xml · nonDerivative · entry 4

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 42,798

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $104.70 to $105.465 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.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.

SEC source: 0001127602-19-002607 · form4.xml · nonDerivative · entry 3

Smith Karyn · CIK 0001665730 · General Counsel and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 43,963

F2 · kind: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.

F4 · price: The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $103.48 to $104.33 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.

F1 · balance_after: A portion of these shares represent Restricted Stock Units ("RSUs"). Each RSU represents the contingent right to receive one share of the Issuer's Class A common stock.