APPN

SEC source: 0001441683-19-000033 · wf-form4a_155015425226717.xml · nonDerivative · entry 5

Novak Biddle Co V, LLC · CIK 0001707252 · 10% owner

Novak Biddle Venture Partners V L P · CIK 0001385804 · 10% owner

Novak E Rogers JR · CIK 0001292028 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 226,153

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 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Persons converted shares of Class B Common Stock into shares of Class A Common Stock.

F3 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (4))

F4 · price: (continued from Footnote (3)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F9 · ownership.nature: The reported securities are owned directly by NBCV. The Managing Members are the managing members of NBCV. The Managing Members disclaim beneficial ownership of all the shares owned by NBCV and this report shall not be deemed an admission that they are the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of their pecuniary interests therein.

SEC source: 0001441683-19-000033 · wf-form4a_155015425226717.xml · nonDerivative · entry 4

Novak Biddle Co V, LLC · CIK 0001707252 · 10% owner

Novak Biddle Venture Partners V L P · CIK 0001385804 · 10% owner

Novak E Rogers JR · CIK 0001292028 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 767

F6 · kind: Represents a pro rata distribution without additional consideration by NBVPV to its limited partners only, and not to its general partner NBCV.

F8 · ownership.nature: The reported securities are owned directly by Wells Fargo Bank NA FBO E.R. Novak Jr. MGD IRA ("IRA"). Mr. Novak has sole voting and dispositive power of these shares.

SEC source: 0001441683-19-000033 · wf-form4a_155015425226717.xml · nonDerivative · entry 3

Novak Biddle Co V, LLC · CIK 0001707252 · 10% owner

Novak Biddle Venture Partners V L P · CIK 0001385804 · 10% owner

Novak E Rogers JR · CIK 0001292028 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,302

F6 · kind: Represents a pro rata distribution without additional consideration by NBVPV to its limited partners only, and not to its general partner NBCV.

F7 · ownership.nature: The reported securities are owned directly by Novak Holdings, LLC ("NH"). Mr. Novak is the sole general member of NH.

SEC source: 0001441683-19-000033 · wf-form4a_155015425226717.xml · nonDerivative · entry 2

Novak Biddle Co V, LLC · CIK 0001707252 · 10% owner

Novak Biddle Venture Partners V L P · CIK 0001385804 · 10% owner

Novak E Rogers JR · CIK 0001292028 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F6 · kind: Represents a pro rata distribution without additional consideration by NBVPV to its limited partners only, and not to its general partner NBCV.

F5 · ownership.nature: The reported securities are owned directly by Novak Biddle Venture Partners V, L.P. ("NBVPV"). Novak Biddle Company V, LLC ("NBCV") is the general partner of NBVPV and A.G.W. Biddle III and E. Rogers Novak, Jr. (collectively, the "Managing Members") are the managing members of NBCV. Each of NBCV and the Managing Members disclaim beneficial ownership of all the shares owned by NBVPV and this report shall not be deemed an admission that either is the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of their pecuniary interests therein.

SEC source: 0001441683-19-000033 · wf-form4a_155015425226717.xml · nonDerivative · entry 1

Novak Biddle Co V, LLC · CIK 0001707252 · 10% owner

Novak Biddle Venture Partners V L P · CIK 0001385804 · 10% owner

Novak E Rogers JR · CIK 0001292028 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 1,091,751

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 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Persons converted shares of Class B Common Stock into shares of Class A Common Stock.

F2 · shares: On December 14, 2018, the Reporting Persons filed a Form 4, which inadvertently excluded the distribution of certain shares of the Issuer's Class B Common Stock (the "Distributed Shares"). This amendment corrects the exclusion of the Distributed Shares. This Form 4 amendment amends and restates the Form 4 filed by the Reporting Persons on December 14, 2018 in its entirety.

F3 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (4))

F4 · price: (continued from Footnote (3)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F5 · ownership.nature: The reported securities are owned directly by Novak Biddle Venture Partners V, L.P. ("NBVPV"). Novak Biddle Company V, LLC ("NBCV") is the general partner of NBVPV and A.G.W. Biddle III and E. Rogers Novak, Jr. (collectively, the "Managing Members") are the managing members of NBCV. Each of NBCV and the Managing Members disclaim beneficial ownership of all the shares owned by NBVPV and this report shall not be deemed an admission that either is the beneficial owner of such shares for purposes of Section 16 or for any other purpose, except to the extent of their pecuniary interests therein.

SEC source: 0001441683-18-000152 · wf-form4_154447864913653.xml · derivative · entry 1

Calkins Matthew W · CIK 0001309192 · Director · CEO and President · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,444,183

Underlying: Class B Common Stock · 383,897 shares

Expires 2026-07-20

F2 · price: The option was cancelled by mutual agreement of the reporting person and Appian Corporation, pursuant to a Stock Option Cancellation Agreement dated December 7, 2018.

F1 · derivative.exercise_date: The option provided for vesting upon the occurrence of (a) a change of control in which the value per share of the Class A common stock is equal or greater than $28.38 and/or (b) the Class A common stock trades at or above $28.38 for a period equal to or greater than ninety (90) calendar days following the closing of the initial public offering. All of the options are fully vested.

SEC source: 0001441683-18-000151 · wf-form4_154447857904009.xml · derivative · entry 1

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 125,310

Underlying: Class A Common Stock · 85,310 shares

Expires not disclosed

F1 · derivative.exercise_price: Each restricted stock unit ("RSU") represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F2 · derivative.exercise_date: The RSUs will vest on March 5, 2019, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

F2 · derivative.expiration_date: The RSUs will vest on March 5, 2019, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

SEC source: 0001441683-18-000145 · wf-form4_154413434917617.xml · derivative · entry 7

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F1 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.expiration_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0001441683-18-000145 · wf-form4_154413434917617.xml · derivative · entry 6

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Class A Common Stock · 20,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.expiration_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0001441683-18-000145 · wf-form4_154413434917617.xml · derivative · entry 5

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,707

Underlying: Class B Common Stock · 20,000 shares

Expires 2019-09-08

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.

F6 · derivative.exercise_date: Fully vested.

SEC source: 0001441683-18-000145 · wf-form4_154413434917617.xml · nonDerivative · entry 4

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,364

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018.

SEC source: 0001441683-18-000145 · wf-form4_154413434917617.xml · nonDerivative · entry 3

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,464

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018.

SEC source: 0001441683-18-000145 · wf-form4_154413434917617.xml · nonDerivative · entry 2

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,564

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $29.68 to $30.34, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnote (5).

SEC source: 0001441683-18-000145 · wf-form4_154413434917617.xml · nonDerivative · entry 1

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 134,364

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 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock.

F2 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0000904454-18-000767 · edgar.xml · nonDerivative · entry 3

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · by Abdiel Qualified Master Fund, LP

Disclosed balance after: 7,073,491

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.00 to $25.50. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0000904454-18-000767 · edgar.xml · nonDerivative · entry 2

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Qualified Master Fund, LP

Disclosed balance after: 6,950,667

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.19 to $24.99. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0000904454-18-000767 · edgar.xml · nonDerivative · entry 1

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Qualified Master Fund, LP

Disclosed balance after: 6,923,491

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.60 to $25.25. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0001441683-18-000141 · wf-form4_154266450485657.xml · derivative · entry 5

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 5,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F1 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.expiration_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0001441683-18-000141 · wf-form4_154266450485657.xml · derivative · entry 4

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,000

Underlying: Class A Common Stock · 5,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.expiration_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0001441683-18-000141 · wf-form4_154266450485657.xml · derivative · entry 3

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 80,000

Underlying: Class B Common Stock · 5,000 shares

Expires 2025-05-07

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.

F6 · derivative.exercise_date: This option is vested with respect to three-fifths of the shares subject to this option. The remaining shares will vest in two equal installments on March 26, 2019 and March 26, 2020, subject to the Reporting Person's continued service to the Issuer through each vesting date.

SEC source: 0001441683-18-000141 · wf-form4_154266450485657.xml · nonDerivative · entry 2

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,632

F4 · kind: These sales were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.59 to $27.31, inclusive. The Reporting Person undertakes to provide to Issuer, any security holder of the Issuer, or 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 footnote (5) to this Form 4.

SEC source: 0001441683-18-000141 · wf-form4_154266450485657.xml · nonDerivative · entry 1

Devine Michael G · CIK 0001435102 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,632

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 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock.

F2 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0001441683-18-000139 · wf-form4_154214287180143.xml · nonDerivative · entry 2

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,364

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018, as amended.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.64 to $26.96, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (3).

SEC source: 0001441683-18-000139 · wf-form4_154214287180143.xml · nonDerivative · entry 1

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 114,794

F1 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018, as amended.

F2 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.62 to $26.38, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (2).

SEC source: 0001441683-18-000136 · wf-form4_154171135172796.xml · derivative · entry 4

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Class A Common Stock · 10,000 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.

F5 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F6 · derivative.exercise_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

F6 · derivative.expiration_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

SEC source: 0001441683-18-000136 · wf-form4_154171135172796.xml · nonDerivative · entry 3

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,000

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 8, 2017, as amended.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.45 to $27.68, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (4).

SEC source: 0001441683-18-000136 · wf-form4_154171135172796.xml · nonDerivative · entry 2

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,727

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 8, 2017, as amended.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.44 to $27.44, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (3).

SEC source: 0001441683-18-000136 · wf-form4_154171135172796.xml · nonDerivative · entry 1

Kramer Robert Charles · CIK 0001707249 · Director · General Manager

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,000

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 · price: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

SEC source: 0001441683-18-000135 · wf-form4_154171129161372.xml · derivative · entry 3

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Class A Common Stock · 10,000 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.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F5 · derivative.exercise_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

F5 · derivative.expiration_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through the vesting date.

SEC source: 0001441683-18-000135 · wf-form4_154171129161372.xml · nonDerivative · entry 2

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,950

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 9, 2018, as amended, solely to cover taxes, commissions and fees due upon vesting.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $27.55 to $27.65, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (3).

SEC source: 0001441683-18-000135 · wf-form4_154171129161372.xml · nonDerivative · entry 1

Lynch Mark Steven · CIK 0001707384 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

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 · price: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

SEC source: 0001441683-18-000134 · wf-form4_154171122799860.xml · derivative · entry 3

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Class A Common Stock · 10,000 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.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F5 · derivative.exercise_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

F5 · derivative.expiration_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

SEC source: 0001441683-18-000134 · wf-form4_154171122799860.xml · nonDerivative · entry 2

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,853

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018, as amended, solely to cover taxes, commissions and fees due upon vesting.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.83 to $27.68, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (3).

SEC source: 0001441683-18-000134 · wf-form4_154171122799860.xml · nonDerivative · entry 1

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 122,359

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 · price: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

SEC source: 0001441683-18-000133 · wf-form4_154171114782744.xml · derivative · entry 3

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

Underlying: Class A Common Stock · 10,000 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.

F4 · derivative.exercise_price: Each RSU represents a contingent right to receive one share of Issuer's Class A Common Stock (or its cash equivalent, at the discretion of the Issuer).

F5 · derivative.exercise_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

F5 · derivative.expiration_date: The RSUs were granted on October 25, 2017 and vest in five (5) equal annual installments commencing on November 6, 2018, provided that the Reporting Person has provided continuous service to the Issuer through such vesting date.

SEC source: 0001441683-18-000133 · wf-form4_154171114782744.xml · nonDerivative · entry 2

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 6,900

F2 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 7, 2018, as amended, solely to cover taxes, commissions and fees due upon vesting.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $26.97 to $27.21, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (3).

SEC source: 0001441683-18-000133 · wf-form4_154171114782744.xml · nonDerivative · entry 1

Winters Christopher · CIK 0001706796 · General Counsel

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

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 · price: Each Restricted Stock Unit ("RSU") converts into Class A Common Stock on a one-for-one basis.

SEC source: 0000904454-18-000693 · edgar.xml · nonDerivative · entry 2

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Qualified Master Fund, LP

Disclosed balance after: 6,887,809

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $25.03 to $25.25. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0001209191-18-057145 · doc4.xml · derivative · entry 6

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 20,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F1 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.expiration_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0001209191-18-057145 · doc4.xml · derivative · entry 5

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 20,000

Underlying: Class A Common Stock · 20,000 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.

F2 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.exercise_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

F2 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · derivative.expiration_date: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0001209191-18-057145 · doc4.xml · derivative · entry 4

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,707

Underlying: Class B Common Stock · 20,000 shares

Expires 2019-09-08

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.

F6 · derivative.exercise_date: Fully vested.

SEC source: 0001209191-18-057145 · doc4.xml · nonDerivative · entry 3

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,359

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018.

SEC source: 0001209191-18-057145 · doc4.xml · nonDerivative · entry 2

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 112,759

F4 · kind: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on February 27, 2018.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $25.00 to $25.91, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or 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 (5).

SEC source: 0001209191-18-057145 · doc4.xml · nonDerivative · entry 1

Hughes Edward L · CIK 0001354675 · Senior VP, Worldwide Sales

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 132,359

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 · kind: Pursuant to the terms of the Class B Common Stock, the Reporting Person converted shares of Class B Common Stock into shares of Class A Common Stock.

F2 · price: Each share of Class B Common Stock is convertible at any time at the option of the holder into one share of Class A Common Stock and has no expiration date. In addition, each share of Class B Common Stock will convert automatically into one share of Class A Common Stock upon (1) any transfer, whether or not for value and whether voluntary or involuntary or by operation of law, except for certain transfers described in the Issuer's certificate of incorporation, including, without limitation, certain transfers for tax and estate planning purposes or (continued to Footnote (3))

F3 · price: (continued from Footnote (2)) (2) the death or disability, as defined in the Issuer's certificate of incorporation, of the applicable Class B common stockholder (or nine months after the date of death or disability if the stockholder is one of the Issuer's founders). In addition, on the first trading day following the date on which the outstanding shares of Class B Common Stock represent less than 10% of the aggregate voting power of the Issuer's then outstanding capital stock, all outstanding shares of Class B Common Stock shall convert automatically into Class A Common Stock, and no additional shares of Class B Common Stock will be issued.

SEC source: 0000904454-18-000693 · edgar.xml · nonDerivative · entry 1

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Qualified Master Fund, LP

Disclosed balance after: 6,886,609

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.50 to $24.75. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0000904454-18-000689 · edgar.xml · nonDerivative · entry 6

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Capital, LP

Disclosed balance after: 6,850,509

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.65 to $24.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0000904454-18-000689 · edgar.xml · nonDerivative · entry 5

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Qualified Master Fund, LP

Disclosed balance after: 6,850,048

F4 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.65 to $24.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0000904454-18-000689 · edgar.xml · nonDerivative · entry 4

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Capital, LP

Disclosed balance after: 6,840,509

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.14 to $25.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0000904454-18-000689 · edgar.xml · nonDerivative · entry 3

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Qualified Master Fund, LP

Disclosed balance after: 6,837,397

F3 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $24.14 to $25.00. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.

SEC source: 0000904454-18-000689 · edgar.xml · nonDerivative · entry 2

Abdiel Capital Management, LLC · CIK 0001659179 · 10% owner

Abdiel Qualified Master Fund LP · CIK 0001508239 · 10% owner

Abdiel Capital LP · CIK 0001362771 · 10% owner

Abdiel Capital Advisors, LP · CIK 0001578684 · 10% owner

Moran Colin T. · CIK 0001659198 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Abdiel Capital, LP

Disclosed balance after: 6,749,319

F1 · price: The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $23.14 to $24.12. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.

F2 · ownership.nature: The share numbers in Column 5 represent the aggregated holdings of Abdiel Qualified Master Fund, LP ("AQMF") and Abdiel Capital, LP ("ACLP"). Abdiel Capital Management, LLC is the general partner of AQMF and ACLP, and Abdiel Capital Advisors, LP serves as the investment manager of AQMF and ACLP. Colin T. Moran is the managing member of Abdiel Capital Management, LLC and Abdiel Capital Partners, LLC, which is the general partner of Abdiel Capital Advisors, LP. By virtue of the foregoing relationships, each of the reporting persons may be deemed to beneficially own the securities held by AQMF and ACLP. Each reporting person disclaims beneficial ownership of such securities, except to the extent of its or his pecuniary interest therein.