LASR

SEC source: 0001124796-18-000032 · wf-form4_153670735924315.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 25,000

SEC source: 0001124796-18-000031 · wf-form4_153670732213867.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 111,662

SEC source: 0001124796-18-000038 · wf-form4a_153679790974585.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

F1 · balance_after: The amount of securities beneficially owned following the reported transaction was incorrectly reported in the Form 4 filed on September 11, 2018.

SEC source: 0001124796-18-000023 · wf-form4_153661450710655.xml · derivative · entry 2

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,000

Underlying: Common Stock · 12,000 shares

Expires 2025-04-18

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 · derivative.exercise_date: This option became fully vested and exercisable on February 23, 2016.

SEC source: 0001124796-18-000023 · wf-form4_153661450710655.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 24,500

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.

SEC source: 0001124796-18-000016 · wf-form4_153083626999994.xml · nonDerivative · entry 1

Gossman William · CIK 0001738257 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,687

F1 · shares: The reporting person has elected to receive restricted stock units in lieu of cash retainer fees payable for service on the Issuer's board of directors and any committees thereof. Each restricted stock unit represents a contingent right to receive, following vesting, one share of the Issuer's Common Stock. The number of restricted stock units issued represents the quotient of (A) the amount of such fees divided by (B) the Issuer's closing stock price on the date such fees would otherwise be paid, rounded down to the nearest whole share. All restricted stock units will vest on December 31, 2018 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

F2 · balance_after: Amount includes 2,500 restricted stock units previously reported as derivative securities in Table II of the reporting person's Form 3 filed on April 25, 2018.

SEC source: 0001124796-18-000014 · wf-form4_153083621206898.xml · nonDerivative · entry 1

MOORE GEOFFREY · CIK 0001247627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,960

F1 · shares: The reporting person has elected to receive restricted stock units in lieu of cash retainer fees payable for service on the Issuer's board of directors and any committees thereof. Each restricted stock unit represents a contingent right to receive, following vesting, one share of the Issuer's Common Stock. The number of restricted stock units issued represents the quotient of (A) the amount of such fees divided by (B) the Issuer's closing stock price on the date such fees would otherwise be paid, rounded down to the nearest whole share. All restricted stock units will vest on December 31, 2018 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

F2 · balance_after: Amount includes 2,500 restricted stock units previously reported as derivative securities in Table II of the reporting person's Form 3 filed on April 25, 2018.

SEC source: 0001124796-18-000015 · wf-form4_153083624104242.xml · nonDerivative · entry 1

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,603

F1 · shares: The reporting person has elected to receive restricted stock units in lieu of cash retainer fees payable for service on the Issuer's board of directors and any committees thereof. Each restricted stock unit represents a contingent right to receive, following vesting, one share of the Issuer's Common Stock. The number of restricted stock units issued represents the quotient of (A) the amount of such fees divided by (B) the Issuer's closing stock price on the date such fees would otherwise be paid, rounded down to the nearest whole share. All restricted stock units will vest on December 31, 2018 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

F2 · balance_after: Amount includes 2,500 restricted stock units previously reported as derivative securities in Table II of the reporting person's Form 3 filed on April 25, 2018.

SEC source: 0001124796-18-000013 · wf-form4_153083618307514.xml · nonDerivative · entry 1

Locke Gary · CIK 0001654708 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,891

F1 · shares: The reporting person has elected to receive restricted stock units in lieu of cash retainer fees payable for service on the Issuer's board of directors and any committees thereof. Each restricted stock unit represents a contingent right to receive, following vesting, one share of the Issuer's Common Stock. The number of restricted stock units issued represents the quotient of (A) the amount of such fees divided by (B) the Issuer's closing stock price on the date such fees would otherwise be paid, rounded down to the nearest whole share. All restricted stock units will vest on December 31, 2018 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

F2 · balance_after: Amount includes 2,500 restricted stock units previously reported as derivative securities in Table II of the reporting person's Form 3 filed on April 25, 2018.

SEC source: 0001124796-18-000012 · wf-form4_153083615531727.xml · nonDerivative · entry 1

CARLISLE DOUGLAS C · CIK 0001230041 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,914

F1 · shares: The reporting person has elected to receive restricted stock units in lieu of cash retainer fees payable for service on the Issuer's board of directors and any committees thereof. Each restricted stock unit represents a contingent right to receive, following vesting, one share of the Issuer's Common Stock. The number of restricted stock units issued represents the quotient of (A) the amount of such fees divided by (B) the Issuer's closing stock price on the date such fees would otherwise be paid, rounded down to the nearest whole share. All restricted stock units will vest on December 31, 2018 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

F2 · balance_after: Amount includes 2,500 restricted stock units previously reported as derivative securities in Table II of the reporting person's Form 3 filed on April 25, 2018.

SEC source: 0001124796-18-000005 · wf-form4_152789883465664.xml · nonDerivative · entry 1

Bareket Ran · CIK 0001468711 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

F1 · security: Acquisition represents award of restricted stock for no cash consideration. One-fourth of the shares subject to the award vest on June 1, 2019, and one-fourth of the shares subject to the award vest in yearly installments thereafter, subject to continued service with the Company through each such vesting date.

SEC source: 0001124796-18-000004 · wf-form4_152789870112382.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 291,662

F1 · security: Acquisition represents award of restricted stock for no cash consideration. One-fourth of the shares subject to the award vest on June 1, 2019, and one-fourth of the shares subject to the award vest in yearly installments thereafter, subject to continued service with the Company through each such vesting date.

SEC source: 0001124796-18-000003 · wf-form4_152789855351127.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technical Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

F1 · security: Acquisition represents award of restricted stock for no cash consideration. One-fourth of the shares subject to the award vest on June 1, 2019, and one-fourth of the shares subject to the award vest in yearly installments thereafter, subject to continued service with the Company through each such vesting date.

SEC source: 0001104659-18-028724 · a4.xml · derivative · entry 6

MV MANAGEMENT IX LLC · CIK 0001120126 · 10% owner

MENLO VENTURES IX LP · CIK 0001120284 · 10% owner

MENLO ENTREPRENEURS FUND IX A LP · CIK 0001230036 · 10% owner

MENLO ENTREPRENEURS FUND IX LP · CIK 0001131886 · 10% owner

MMEF IX LP · CIK 0001131824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 333,971 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: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F10 · shares: Consists of 315,445 shares held of record by Menlo Ventures IX, L.P., 10,409 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 1,497 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 6,620 shares held of record by MMEF IX, L.P.

F5 · derivative.exercise_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.expiration_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: MV Management IX, L.L.C. is the general partner of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are H. DuBose Montgomery, John W. Jarve, Douglas C. Carlisle, Mark A. Siegel and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028724 · a4.xml · derivative · entry 5

MV MANAGEMENT IX LLC · CIK 0001120126 · 10% owner

MENLO VENTURES IX LP · CIK 0001120284 · 10% owner

MENLO ENTREPRENEURS FUND IX A LP · CIK 0001230036 · 10% owner

MENLO ENTREPRENEURS FUND IX LP · CIK 0001131886 · 10% owner

MMEF IX LP · CIK 0001131824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,526,719 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: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F9 · shares: Consists of 2,383,702 shares held of record by Menlo Ventures IX, L.P., 78,660 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 11,917 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 52,440 shares held of record by MMEF IX, L.P.

F4 · derivative.exercise_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: MV Management IX, L.L.C. is the general partner of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are H. DuBose Montgomery, John W. Jarve, Douglas C. Carlisle, Mark A. Siegel and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028724 · a4.xml · derivative · entry 4

MV MANAGEMENT IX LLC · CIK 0001120126 · 10% owner

MENLO VENTURES IX LP · CIK 0001120284 · 10% owner

MENLO ENTREPRENEURS FUND IX A LP · CIK 0001230036 · 10% owner

MENLO ENTREPRENEURS FUND IX LP · CIK 0001131886 · 10% owner

MMEF IX LP · CIK 0001131824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 267,754 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 · derivative.exercise_price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F8 · shares: Consists of 252,599 shares held of record by Menlo Ventures IX, L.P., 8,335 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 1,263 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 5,557 shares held of record by MMEF IX, L.P.

F3 · derivative.exercise_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: MV Management IX, L.L.C. is the general partner of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are H. DuBose Montgomery, John W. Jarve, Douglas C. Carlisle, Mark A. Siegel and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028724 · a4.xml · derivative · entry 3

MV MANAGEMENT IX LLC · CIK 0001120126 · 10% owner

MENLO VENTURES IX LP · CIK 0001120284 · 10% owner

MENLO ENTREPRENEURS FUND IX A LP · CIK 0001230036 · 10% owner

MENLO ENTREPRENEURS FUND IX LP · CIK 0001131886 · 10% owner

MMEF IX LP · CIK 0001131824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,415,912 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: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F7 · shares: Consists of 1,335,768 shares held of record by Menlo Ventures IX, L.P., 44,080 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 6,678 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 29,386 shares held of record by MMEF IX, L.P.

F2 · derivative.exercise_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: MV Management IX, L.L.C. is the general partner of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are H. DuBose Montgomery, John W. Jarve, Douglas C. Carlisle, Mark A. Siegel and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028724 · a4.xml · derivative · entry 2

MV MANAGEMENT IX LLC · CIK 0001120126 · 10% owner

MENLO VENTURES IX LP · CIK 0001120284 · 10% owner

MENLO ENTREPRENEURS FUND IX A LP · CIK 0001230036 · 10% owner

MENLO ENTREPRENEURS FUND IX LP · CIK 0001131886 · 10% owner

MMEF IX LP · CIK 0001131824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,389,860 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.

F1 · derivative.exercise_price: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · shares: Consists of 1,317,410 shares held of record by Menlo Ventures IX, L.P., 43,470 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 5,268 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 23,712 shares held of record by MMEF IX, L.P.

F1 · derivative.exercise_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: MV Management IX, L.L.C. is the general partner of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are H. DuBose Montgomery, John W. Jarve, Douglas C. Carlisle, Mark A. Siegel and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028724 · a4.xml · nonDerivative · entry 1

MV MANAGEMENT IX LLC · CIK 0001120126 · 10% owner

MENLO VENTURES IX LP · CIK 0001120284 · 10% owner

MENLO ENTREPRENEURS FUND IX A LP · CIK 0001230036 · 10% owner

MENLO ENTREPRENEURS FUND IX LP · CIK 0001131886 · 10% owner

MMEF IX LP · CIK 0001131824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,961,028

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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · price: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F11 · balance_after: Consists of 5,630,342 shares held of record by Menlo Ventures IX, L.P., 185,792 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 26,723 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 118,171 shares held of record by MMEF IX, L.P.

F12 · ownership.direct: MV Management IX, L.L.C. is the general partner of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. (collectively, the "Menlo Funds"), and the managing members of the general partner are H. DuBose Montgomery, John W. Jarve, Douglas C. Carlisle, Mark A. Siegel and Shawn T. Carolan. These individuals may be deemed to have shared voting and investment power over the shares held by the Menlo Funds. Each of these individuals disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028731 · a4.xml · derivative · entry 7

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 12,690 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: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.exercise_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · ownership.nature: Shares held of record by the Osborne 2002 Living Trust, of which David Osborne is the trustee and exercises sole voting and investment power over the shares held thereby.

SEC source: 0001104659-18-028731 · a4.xml · derivative · entry 6

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 38,872 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 · derivative.exercise_price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · ownership.nature: Shares held of record by the Osborne 2002 Living Trust, of which David Osborne is the trustee and exercises sole voting and investment power over the shares held thereby.

SEC source: 0001104659-18-028731 · a4.xml · derivative · entry 5

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 34,321 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: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.exercise_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · ownership.nature: Shares held of record by the Osborne 2002 Living Trust, of which David Osborne is the trustee and exercises sole voting and investment power over the shares held thereby.

SEC source: 0001104659-18-028731 · a4.xml · derivative · entry 4

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 63,332 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.

F1 · derivative.exercise_price: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · ownership.nature: Shares held of record by the Osborne 2002 Living Trust, of which David Osborne is the trustee and exercises sole voting and investment power over the shares held thereby.

SEC source: 0001104659-18-028731 · a4.xml · derivative · entry 3

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,629 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.

F1 · derivative.exercise_price: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001104659-18-028731 · a4.xml · nonDerivative · entry 2

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 161,224

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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · ownership.nature: Shares held of record by the Osborne 2002 Living Trust, of which David Osborne is the trustee and exercises sole voting and investment power over the shares held thereby.

SEC source: 0001104659-18-028731 · a4.xml · nonDerivative · entry 1

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,758

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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001104659-18-028730 · a4.xml · derivative · entry 2

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 2,178 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.

F1 · derivative.exercise_price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001104659-18-028730 · a4.xml · nonDerivative · entry 1

Keeney Scott H · CIK 0001738235 · Director · President and CEO

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 271,662

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: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001104659-18-028728 · a4.xml · derivative · entry 6

CARLISLE DOUGLAS C · CIK 0001230041 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 333,971 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: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F10 · shares: Consists of 315,445 shares held of record by Menlo Ventures IX, L.P., 10,409 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 1,497 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 6,620 shares held of record by MMEF IX, L.P.

F5 · derivative.exercise_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.expiration_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: MV Management IX, L.L.C., is the general partner of and exercises voting and dispositive power over Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P (collectively, the "Menlo Funds"). The Reporting Person is a managing member of MV Management IX, L.L.C. and disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds.

SEC source: 0001104659-18-028728 · a4.xml · derivative · entry 5

CARLISLE DOUGLAS C · CIK 0001230041 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,526,719 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: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F9 · shares: Consists of 2,383,702 shares held of record by Menlo Ventures IX, L.P., 78,660 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 11,917 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 52,440 shares held of record by MMEF IX, L.P.

F4 · derivative.exercise_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: MV Management IX, L.L.C., is the general partner of and exercises voting and dispositive power over Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P (collectively, the "Menlo Funds"). The Reporting Person is a managing member of MV Management IX, L.L.C. and disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds.

SEC source: 0001104659-18-028728 · a4.xml · derivative · entry 4

CARLISLE DOUGLAS C · CIK 0001230041 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 267,754 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 · derivative.exercise_price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F8 · shares: Consists of 252,599 shares held of record by Menlo Ventures IX, L.P., 8,335 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 1,263 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 5,557 shares held of record by MMEF IX, L.P.

F3 · derivative.exercise_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: MV Management IX, L.L.C., is the general partner of and exercises voting and dispositive power over Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P (collectively, the "Menlo Funds"). The Reporting Person is a managing member of MV Management IX, L.L.C. and disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds.

SEC source: 0001104659-18-028728 · a4.xml · derivative · entry 3

CARLISLE DOUGLAS C · CIK 0001230041 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,415,912 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: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F7 · shares: Consists of 1,335,768 shares held of record by Menlo Ventures IX, L.P., 44,080 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 6,678 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 29,386 shares held of record by MMEF IX, L.P.

F2 · derivative.exercise_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: MV Management IX, L.L.C., is the general partner of and exercises voting and dispositive power over Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P (collectively, the "Menlo Funds"). The Reporting Person is a managing member of MV Management IX, L.L.C. and disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds.

SEC source: 0001104659-18-028728 · a4.xml · derivative · entry 2

CARLISLE DOUGLAS C · CIK 0001230041 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,389,860 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.

F1 · derivative.exercise_price: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · shares: Consists of 1,317,410 shares held of record by Menlo Ventures IX, L.P., 43,470 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 5,268 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 23,712 shares held of record by MMEF IX, L.P.

F1 · derivative.exercise_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: MV Management IX, L.L.C., is the general partner of and exercises voting and dispositive power over Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P (collectively, the "Menlo Funds"). The Reporting Person is a managing member of MV Management IX, L.L.C. and disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds.

SEC source: 0001104659-18-028728 · a4.xml · nonDerivative · entry 1

CARLISLE DOUGLAS C · CIK 0001230041 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,961,028

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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · price: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F11 · balance_after: Consists of 5,630,342 shares held of record by Menlo Ventures IX, L.P., 185,792 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 26,723 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 118,171 shares held of record by MMEF IX, L.P.

F12 · ownership.nature: MV Management IX, L.L.C., is the general partner of and exercises voting and dispositive power over Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P (collectively, the "Menlo Funds"). The Reporting Person is a managing member of MV Management IX, L.L.C. and disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds.

SEC source: 0001104659-18-028727 · a4.xml · derivative · entry 6

CARANO BANDEL L · CIK 0001183755 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 333,972 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: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F10 · shares: Consists of 328,696 shares held of record by Oak Investment Partners X, L.P., and 5,276 shares held of record by Oak X Affiliates Fund, L.P.

F5 · derivative.exercise_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.expiration_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, L.P and exercises voting and dispositive power over the shares held by Oak Investment Partners X, L.P. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P. and exercises voting and dispositive power over the shares held by Oak X Affiliates Fund, L.P. The Reporting Person is a managing member of Oak Associates X GP and Oak X Affiliates GP and disclaims beneficial ownership over the shares held of record herein as held by Oak Investment Partners X, L.P and Oak X Affiliates Fund, L.P.

SEC source: 0001104659-18-028727 · a4.xml · derivative · entry 5

CARANO BANDEL L · CIK 0001183755 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,652,087 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: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F9 · shares: Consists of 1,625,696 shares held of record by Oak Investment Partners X, L.P., and 26,101 shares held of record by Oak X Affiliates Fund, L.P.

F4 · derivative.exercise_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, L.P and exercises voting and dispositive power over the shares held by Oak Investment Partners X, L.P. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P. and exercises voting and dispositive power over the shares held by Oak X Affiliates Fund, L.P. The Reporting Person is a managing member of Oak Associates X GP and Oak X Affiliates GP and disclaims beneficial ownership over the shares held of record herein as held by Oak Investment Partners X, L.P and Oak X Affiliates Fund, L.P.

SEC source: 0001104659-18-028727 · a4.xml · derivative · entry 4

CARANO BANDEL L · CIK 0001183755 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 401,632 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 · derivative.exercise_price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F8 · shares: Consists of 395,287 shares held of record by Oak Investment Partners X, L.P., and 6,345 shares held of record by Oak X Affiliates Fund, L.P.

F3 · derivative.exercise_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, L.P and exercises voting and dispositive power over the shares held by Oak Investment Partners X, L.P. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P. and exercises voting and dispositive power over the shares held by Oak X Affiliates Fund, L.P. The Reporting Person is a managing member of Oak Associates X GP and Oak X Affiliates GP and disclaims beneficial ownership over the shares held of record herein as held by Oak Investment Partners X, L.P and Oak X Affiliates Fund, L.P.

SEC source: 0001104659-18-028727 · a4.xml · derivative · entry 3

CARANO BANDEL L · CIK 0001183755 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,742,711 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: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F7 · shares: Consists of 1,715,177 shares held of record by Oak Investment Partners X, L.P., and 27,534 shares held of record by Oak X Affiliates Fund, L.P.

F2 · derivative.exercise_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, L.P and exercises voting and dispositive power over the shares held by Oak Investment Partners X, L.P. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P. and exercises voting and dispositive power over the shares held by Oak X Affiliates Fund, L.P. The Reporting Person is a managing member of Oak Associates X GP and Oak X Affiliates GP and disclaims beneficial ownership over the shares held of record herein as held by Oak Investment Partners X, L.P and Oak X Affiliates Fund, L.P.

SEC source: 0001104659-18-028727 · a4.xml · derivative · entry 2

CARANO BANDEL L · CIK 0001183755 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,389,868 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.

F1 · derivative.exercise_price: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F6 · shares: Consists of 1,367,908 shares held of record by Oak Investment Partners X, L.P., and 21,960 shares held of record by Oak X Affiliates Fund, L.P.

F1 · derivative.exercise_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.nature: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, L.P and exercises voting and dispositive power over the shares held by Oak Investment Partners X, L.P. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P. and exercises voting and dispositive power over the shares held by Oak X Affiliates Fund, L.P. The Reporting Person is a managing member of Oak Associates X GP and Oak X Affiliates GP and disclaims beneficial ownership over the shares held of record herein as held by Oak Investment Partners X, L.P and Oak X Affiliates Fund, L.P.

SEC source: 0001104659-18-028727 · a4.xml · nonDerivative · entry 1

CARANO BANDEL L · CIK 0001183755 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,547,084

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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · price: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F11 · balance_after: Consists of 5,459,446 shares held of record by Oak Investment Partners X, L.P., and 87,638 shares held of record by Oak X Affiliates Fund, L.P.

F12 · ownership.nature: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, L.P and exercises voting and dispositive power over the shares held by Oak Investment Partners X, L.P. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P. and exercises voting and dispositive power over the shares held by Oak X Affiliates Fund, L.P. The Reporting Person is a managing member of Oak Associates X GP and Oak X Affiliates GP and disclaims beneficial ownership over the shares held of record herein as held by Oak Investment Partners X, L.P and Oak X Affiliates Fund, L.P.

SEC source: 0001104659-18-028726 · a4.xml · derivative · entry 5

Sixth MDV Partners, L.L.C. · CIK 0001738386 · 10% owner

MOHR DAVIDOW VENTURES VI LP · CIK 0001250364 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,457,725 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: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.exercise_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.expiration_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.direct: All shares held of record by Mohr, Davidow Ventures VI, L.P., as nominee for Mohr, Davidow Ventures VI, L.P., MDV VI Leaders' Fund, L.P., MDV Entrepreneures' Network Fund III (A), L.P., and MDV Entrepreneurs' Network Fund III (B), L.P (collectively, the "MDV Funds"). Sixth MDV Partners, L.L.C. is the general partner of each of the MDV Funds, and Jonathan Feiber and Nancy Schoendorf are managing members of Sixth MDV Partners, L.L.C. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C. may be deemed to have shared voting and investment power over the shares held by the MDV Funds. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managin members are the beneficial owner of such securiteis for Section 16 or any other purpose.

SEC source: 0001104659-18-028726 · a4.xml · derivative · entry 4

Sixth MDV Partners, L.L.C. · CIK 0001738386 · 10% owner

MOHR DAVIDOW VENTURES VI LP · CIK 0001250364 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 401,632 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: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.exercise_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.direct: All shares held of record by Mohr, Davidow Ventures VI, L.P., as nominee for Mohr, Davidow Ventures VI, L.P., MDV VI Leaders' Fund, L.P., MDV Entrepreneures' Network Fund III (A), L.P., and MDV Entrepreneurs' Network Fund III (B), L.P (collectively, the "MDV Funds"). Sixth MDV Partners, L.L.C. is the general partner of each of the MDV Funds, and Jonathan Feiber and Nancy Schoendorf are managing members of Sixth MDV Partners, L.L.C. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C. may be deemed to have shared voting and investment power over the shares held by the MDV Funds. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managin members are the beneficial owner of such securiteis for Section 16 or any other purpose.

SEC source: 0001104659-18-028726 · a4.xml · derivative · entry 3

Sixth MDV Partners, L.L.C. · CIK 0001738386 · 10% owner

MOHR DAVIDOW VENTURES VI LP · CIK 0001250364 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,794,454 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 · derivative.exercise_price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.exercise_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.direct: All shares held of record by Mohr, Davidow Ventures VI, L.P., as nominee for Mohr, Davidow Ventures VI, L.P., MDV VI Leaders' Fund, L.P., MDV Entrepreneures' Network Fund III (A), L.P., and MDV Entrepreneurs' Network Fund III (B), L.P (collectively, the "MDV Funds"). Sixth MDV Partners, L.L.C. is the general partner of each of the MDV Funds, and Jonathan Feiber and Nancy Schoendorf are managing members of Sixth MDV Partners, L.L.C. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C. may be deemed to have shared voting and investment power over the shares held by the MDV Funds. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managin members are the beneficial owner of such securiteis for Section 16 or any other purpose.

SEC source: 0001104659-18-028726 · a4.xml · derivative · entry 2

Sixth MDV Partners, L.L.C. · CIK 0001738386 · 10% owner

MOHR DAVIDOW VENTURES VI LP · CIK 0001250364 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,478,204 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: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.exercise_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F2 · derivative.expiration_date: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · ownership.direct: All shares held of record by Mohr, Davidow Ventures VI, L.P., as nominee for Mohr, Davidow Ventures VI, L.P., MDV VI Leaders' Fund, L.P., MDV Entrepreneures' Network Fund III (A), L.P., and MDV Entrepreneurs' Network Fund III (B), L.P (collectively, the "MDV Funds"). Sixth MDV Partners, L.L.C. is the general partner of each of the MDV Funds, and Jonathan Feiber and Nancy Schoendorf are managing members of Sixth MDV Partners, L.L.C. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C. may be deemed to have shared voting and investment power over the shares held by the MDV Funds. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managin members are the beneficial owner of such securiteis for Section 16 or any other purpose.

SEC source: 0001104659-18-028726 · a4.xml · nonDerivative · entry 1

Sixth MDV Partners, L.L.C. · CIK 0001738386 · 10% owner

MOHR DAVIDOW VENTURES VI LP · CIK 0001250364 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,224,341

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 · price: The Series C Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · price: The Series D Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · price: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · balance_after: All shares held of record by Mohr, Davidow Ventures VI, L.P., as nominee for Mohr, Davidow Ventures VI, L.P., MDV VI Leaders' Fund, L.P., MDV Entrepreneures' Network Fund III (A), L.P., and MDV Entrepreneurs' Network Fund III (B), L.P (collectively, the "MDV Funds"). Sixth MDV Partners, L.L.C. is the general partner of each of the MDV Funds, and Jonathan Feiber and Nancy Schoendorf are managing members of Sixth MDV Partners, L.L.C. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C. may be deemed to have shared voting and investment power over the shares held by the MDV Funds. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managin members are the beneficial owner of such securiteis for Section 16 or any other purpose.

F1 · ownership.direct: All shares held of record by Mohr, Davidow Ventures VI, L.P., as nominee for Mohr, Davidow Ventures VI, L.P., MDV VI Leaders' Fund, L.P., MDV Entrepreneures' Network Fund III (A), L.P., and MDV Entrepreneurs' Network Fund III (B), L.P (collectively, the "MDV Funds"). Sixth MDV Partners, L.L.C. is the general partner of each of the MDV Funds, and Jonathan Feiber and Nancy Schoendorf are managing members of Sixth MDV Partners, L.L.C. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C. may be deemed to have shared voting and investment power over the shares held by the MDV Funds. Each of Mr. Feiber, Ms. Schoendorf and Sixth MDV Partners, L.L.C disclaims beneficial ownership of such shares, and this report shall not be deemed an admission that the Reporting Person or its managin members are the beneficial owner of such securiteis for Section 16 or any other purpose.

SEC source: 0001104659-18-028725 · a4.xml · derivative · entry 2

Hadley Harbor Master Investors (Cayman) L.P. · CIK 0001641080 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 3,339,734 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.

F1 · derivative.exercise_price: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.exercise_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F1 · derivative.expiration_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001104659-18-028725 · a4.xml · nonDerivative · entry 1

Hadley Harbor Master Investors (Cayman) L.P. · CIK 0001641080 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,339,734

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: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

SEC source: 0001104659-18-028723 · a4.xml · derivative · entry 6

OAK INVESTMENT PARTNERS X LTD PARTNERSHIP · CIK 0001131676 · 10% owner

OAK X AFFILIATES FUND LP · CIK 0001143824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 333,972 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: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F10 · shares: Consists of 328,696 shares held of record by Oak Investment Partners X, L.P., and 5,276 shares held of record by Oak X Affiliates Fund, L.P.

F5 · derivative.exercise_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F5 · derivative.expiration_date: The Series G Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, LP. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P., and the managing members of Oak Associates X GP and Oak X Affiliates GP are Bandel L. Carano, Edward F. Glassmeyer, Frederic W. Harman and Ann H. Lamont. These individuals may be deemed to have shared voting and investment power over the shares held by Oak Investment Partners X, L.P. and Oak X Affiliates Fund, L.P. Each of these individuals disclaims beneficial ownership of such shares and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028723 · a4.xml · derivative · entry 5

OAK INVESTMENT PARTNERS X LTD PARTNERSHIP · CIK 0001131676 · 10% owner

OAK X AFFILIATES FUND LP · CIK 0001143824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 1,652,087 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: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F9 · shares: Consists of 1,625,696 shares held of record by Oak Investment Partners X, L.P., and 26,101 shares held of record by Oak X Affiliates Fund, L.P.

F4 · derivative.exercise_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F4 · derivative.expiration_date: The Series F Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, LP. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P., and the managing members of Oak Associates X GP and Oak X Affiliates GP are Bandel L. Carano, Edward F. Glassmeyer, Frederic W. Harman and Ann H. Lamont. These individuals may be deemed to have shared voting and investment power over the shares held by Oak Investment Partners X, L.P. and Oak X Affiliates Fund, L.P. Each of these individuals disclaims beneficial ownership of such shares and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001104659-18-028723 · a4.xml · derivative · entry 4

OAK INVESTMENT PARTNERS X LTD PARTNERSHIP · CIK 0001131676 · 10% owner

OAK X AFFILIATES FUND LP · CIK 0001143824 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Common Stock · 401,632 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 · derivative.exercise_price: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F8 · shares: Consists of 395,287 shares held of record by Oak Investment Partners X, L.P., and 6,345 shares held of record by Oak X Affiliates Fund, L.P.

F3 · derivative.exercise_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F3 · derivative.expiration_date: The Series E Convertible Preferred Stock converted into Common Stock on a 1-for-1 basis immediately prior to the closing of the Issuer's initial public offering. The shares had no expiration date.

F12 · ownership.direct: Oak Associates X, LLC, or Oak Associates X GP is the general partner of Oak Investment Partners X, LP. Oak X Affiliates, LLC, or Oak X Affiliates GP, is the general partner of Oak X Affiliates Fund, L.P., and the managing members of Oak Associates X GP and Oak X Affiliates GP are Bandel L. Carano, Edward F. Glassmeyer, Frederic W. Harman and Ann H. Lamont. These individuals may be deemed to have shared voting and investment power over the shares held by Oak Investment Partners X, L.P. and Oak X Affiliates Fund, L.P. Each of these individuals disclaims beneficial ownership of such shares and this report shall not be deemed an admission that the Reporting Person or its managing members are the beneficial owner of such securities for Section 16 or any other purpose.