LASR

SEC source: 0001124796-19-000014 · wf-form4_154941310587946.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,000

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.

SEC source: 0001124796-19-000013 · wf-form4_154941303464323.xml · derivative · entry 3

Bareket Ran · CIK 0001468711 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 229,691

Underlying: Common Stock · 20,309 shares

Expires 2028-02-17

F2 · derivative.exercise_date: Twenty percent (20%) of the shares subject to the option vested on January 4, 2019, and one-twentieth (1/20th) of the shares subject to the option shall vest at the end of each quarter thereafter, for a period of four years, subject to optionee continuing to be a service provider on such dates such that the option shall be fully vested on the fifth anniversary of the date of grant.

SEC source: 0001124796-19-000013 · wf-form4_154941303464323.xml · nonDerivative · entry 2

Bareket Ran · CIK 0001468711 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,000

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person.

SEC source: 0001124796-19-000013 · wf-form4_154941303464323.xml · nonDerivative · entry 1

Bareket Ran · CIK 0001468711 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 30,309

SEC source: 0001124796-19-000010 · wf-form4_154664285293853.xml · nonDerivative · entry 1

Gossman William · CIK 0001738257 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,729

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, 2019 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

SEC source: 0001124796-19-000009 · wf-form4_154664272212145.xml · nonDerivative · entry 1

Locke Gary · CIK 0001654708 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,823

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, 2019 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

SEC source: 0001124796-19-000008 · wf-form4_154664263085875.xml · nonDerivative · entry 1

MOORE GEOFFREY · CIK 0001247627 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,057

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, 2019 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

SEC source: 0001124796-19-000006 · wf-form4_154664245054273.xml · derivative · entry 3

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 39,500

Underlying: Common Stock · 500 shares

Expires 2025-06-27

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

F2 · derivative.exercise_date: One-fifth of the shares subject to the option vested on June 9, 2016, and one-twentieth of the shares subject to the option vest in quarterly installments thereafter subject to continued service through each such vesting date. In the event of a change in control, as defined in the 2001 Plan, 100% of the then-outstanding shares subject to the option will become vested

SEC source: 0001124796-19-000006 · wf-form4_154664245054273.xml · nonDerivative · entry 2

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

F1 · price: The reported transaction involves purchase transactions from $17.77 to $18.30 per share. The weighted average price per share was $18.07. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer information regarding the number of shares purchased at each separate price.

SEC source: 0001124796-19-000006 · wf-form4_154664245054273.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,000

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.

SEC source: 0001124796-19-000007 · wf-form4_154664255014699.xml · nonDerivative · entry 1

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,809

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, 2019 subject to the non-employee director continuing to be a service provider through the applicable vesting date.

SEC source: 0001124796-18-000051 · wf-form4_154543241793708.xml · derivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 36,000

Underlying: Common Stock · 4,000 shares

Expires 2025-01-21

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 January 21, 2016.

SEC source: 0001124796-18-000051 · wf-form4_154543241793708.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 115,662

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.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 8

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Carlisle Family Partnership

Disclosed balance after: 28,646

F6 · kind: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of shares in the pro rata in kind distribution of Common Stock of the Issuer by MV Management IX, L.L.C. described in greater detail in the footnote above. The shares are held by the Carlisle Family Partnership (the "Family Partnership"). The Reporting Person is a general partner of the Family Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Family Partnership except to the extent of his proportionate pecuniary interest therein.

F6 · price: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of shares in the pro rata in kind distribution of Common Stock of the Issuer by MV Management IX, L.L.C. described in greater detail in the footnote above. The shares are held by the Carlisle Family Partnership (the "Family Partnership"). The Reporting Person is a general partner of the Family Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Family Partnership except to the extent of his proportionate pecuniary interest therein.

F6 · ownership.nature: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of shares in the pro rata in kind distribution of Common Stock of the Issuer by MV Management IX, L.L.C. described in greater detail in the footnote above. The shares are held by the Carlisle Family Partnership (the "Family Partnership"). The Reporting Person is a general partner of the Family Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Family Partnership except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 7

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 196,822

F5 · kind: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the pro rata in kind distributions of Common Stock of the Issuer by MV Management IX, L.L.C. and MMEF IX, L.P. described in greater detail in the footnotes above.

F5 · price: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the pro rata in kind distributions of Common Stock of the Issuer by MV Management IX, L.L.C. and MMEF IX, L.P. described in greater detail in the footnotes above.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 6

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By MV Management IX, L.L.C.

Disclosed balance after: 0

F4 · kind: Represents a pro-rata in-kind distribution of shares of Common Stock by MV Management IX, L.L.C., without consideration, to its members.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 5

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By MV Management IX, L.L.C.

Disclosed balance after: 581,248

F3 · kind: Represents the receipt of shares of Common Stock by MV Management IX, L.L.C. in the distributions described in greater detail in the footnote above.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 4

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By MMEF IX, L.P.

Disclosed balance after: 0

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 3

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Menlo Entrepreneurs Fund IX-A, L.P.

Disclosed balance after: 0

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 2

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Menlo Entrepreneurs Fund IX, L.P.

Disclosed balance after: 0

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-063031 · doc4.xml · nonDerivative · entry 1

CARLISLE DOUGLAS C · CIK 0001230041 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · By Menlo Ventures IX, L.P.

Disclosed balance after: 0

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001124796-18-000048 · wf-form4_154413166265952.xml · derivative · entry 6

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,000

Underlying: Common Stock · 302 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.

F3 · derivative.exercise_date: This option became fully vested and exercisable on February 23, 2016.

SEC source: 0001124796-18-000048 · wf-form4_154413166265952.xml · nonDerivative · entry 4

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

F2 · price: The reported transaction involves purchase transactions from $20 to $20.01 per share. The weighted average price per share was $20. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer information regarding the number of shares purchased at each separate price.

SEC source: 0001124796-18-000048 · wf-form4_154413166265952.xml · nonDerivative · entry 3

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,802

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: 0001124796-18-000048 · wf-form4_154413166265952.xml · derivative · entry 5

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 34,302

Underlying: Common Stock · 1,076 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.

F3 · derivative.exercise_date: This option became fully vested and exercisable on February 23, 2016.

SEC source: 0001124796-18-000048 · wf-form4_154413166265952.xml · nonDerivative · entry 2

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

F1 · price: The reported transaction involves purchase transactions from $19.85 to $20.02 per share. The weighted average price per share was $19.97. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer information regarding the number of shares purchased at each separate price.

SEC source: 0001124796-18-000048 · wf-form4_154413166265952.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,576

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: 0001124796-18-000046 · wf-form4_154276541038808.xml · nonDerivative · entry 1

Osborne David D. · CIK 0001738433 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 128,224

F1 · 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: 0001209191-18-059433 · doc4.xml · nonDerivative · 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: Indirect · By MV Management IX, L.L.C.

Disclosed balance after: 0

F4 · kind: Represents a pro-rata in-kind distribution of shares of Common Stock by MV Management IX, L.L.C., without consideration, to its members.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

SEC source: 0001209191-18-059433 · doc4.xml · nonDerivative · 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: Indirect · By MV Management IX, L.L.C.

Disclosed balance after: 581,249

F3 · kind: Represents the receipt of shares of Common Stock by MV Management IX, L.L.C. in the distributions described in greater detail in the footnote above.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

SEC source: 0001209191-18-059433 · doc4.xml · nonDerivative · 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: Indirect · By MMEF IX, L.P.

Disclosed balance after: 47,268

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

SEC source: 0001209191-18-059433 · doc4.xml · nonDerivative · 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: Indirect · By Menlo Entrepreneurs Fund IX-A, L.P.

Disclosed balance after: 10,689

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

SEC source: 0001209191-18-059433 · doc4.xml · nonDerivative · 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: Indirect · By Menlo Entrepreneurs Fund IX, L.P.

Disclosed balance after: 74,317

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

SEC source: 0001209191-18-059433 · doc4.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: Indirect · By Menlo Ventures IX, L.P.

Disclosed balance after: 2,252,137

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. Each of the reporting persons disclaims beneficial ownership of the shares reported herein, except to the extent of its proportionate pecuniary interest therein.

SEC source: 0001124796-18-000045 · wf-form4_154276525723375.xml · derivative · entry 3

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,378

Underlying: Common Stock · 622 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.

F2 · derivative.exercise_date: This option became fully vested and exercisable on February 23, 2016.

SEC source: 0001124796-18-000045 · wf-form4_154276525723375.xml · nonDerivative · entry 2

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,500

F1 · price: The reported transaction involves purchase transactions from $19.01 to $20.59 per share. The weighted average price per share was $19.94. The Reporting Person undertakes to provide upon request by the SEC staff, the Issuer or a security holder of the Issuer information regarding the number of shares purchased at each separate price.

SEC source: 0001124796-18-000045 · wf-form4_154276525723375.xml · nonDerivative · entry 1

Martinsen Robert · CIK 0001738243 · Chief Technology Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 13,122

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: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 8

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Carlisle Family Partnership

Disclosed balance after: 14,323

F6 · kind: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of shares in the pro rata in kind distribution of Common Stock of the Issuer by MV Management IX, L.L.C. described in greater detail in the footnote above. The shares are held by the Carlisle Family Partnership (the "Family Partnership"). The Reporting Person is a general partner of the Family Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Family Partnership except to the extent of his proportionate pecuniary interest therein.

F6 · price: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of shares in the pro rata in kind distribution of Common Stock of the Issuer by MV Management IX, L.L.C. described in greater detail in the footnote above. The shares are held by the Carlisle Family Partnership (the "Family Partnership"). The Reporting Person is a general partner of the Family Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Family Partnership except to the extent of his proportionate pecuniary interest therein.

F6 · ownership.nature: Represents a change in the form of ownership from one form of indirect ownership to another by virtue of the receipt of shares in the pro rata in kind distribution of Common Stock of the Issuer by MV Management IX, L.L.C. described in greater detail in the footnote above. The shares are held by the Carlisle Family Partnership (the "Family Partnership"). The Reporting Person is a general partner of the Family Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Family Partnership except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 7

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,842

F5 · kind: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the pro rata in kind distributions of Common Stock of the Issuer by MV Management IX, L.L.C. and MMEF IX, L.P. described in greater detail in the footnotes above.

F5 · price: Represents a change in the form of ownership from indirect to direct by virtue of the receipt of shares in the pro rata in kind distributions of Common Stock of the Issuer by MV Management IX, L.L.C. and MMEF IX, L.P. described in greater detail in the footnotes above.

SEC source: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 6

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By MV Management IX, L.L.C.

Disclosed balance after: 0

F4 · kind: Represents a pro-rata in-kind distribution of shares of Common Stock by MV Management IX, L.L.C., without consideration, to its members.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 5

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By MV Management IX, L.L.C.

Disclosed balance after: 581,249

F3 · kind: Represents the receipt of shares of Common Stock by MV Management IX, L.L.C. in the distributions described in greater detail in the footnote above.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 4

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By MMEF IX, L.P.

Disclosed balance after: 47,268

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 3

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Menlo Entrepreneurs Fund IX-A, L.P.

Disclosed balance after: 10,689

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 2

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Menlo Entrepreneurs Fund IX, L.P.

Disclosed balance after: 74,317

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001209191-18-059434 · doc4.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Menlo Ventures IX, L.P.

Disclosed balance after: 2,252,137

F1 · kind: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F1 · price: Represents a pro rata in kind distribution of shares of Common Stock, without consideration, by each of Menlo Ventures IX, L.P., Menlo Entrepreneurs Fund IX, L.P., Menlo Entrepreneurs Fund IX(A), L.P. and MMEF IX, L.P. to their respective limited partners, and their general partner, MV Management IX, L.L.C.

F2 · ownership.nature: 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"). MV Management IX, L.L.C. exercises voting and dispositive power over the shares held by each of the Menlo Funds. The Reporting Person disclaims beneficial ownership of the shares reported herein as held by the Menlo Funds and MV Management IX, L.L.C., except to the extent of his proportionate pecuniary interest therein.

SEC source: 0001124796-18-000033 · wf-form4_153670739938428.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: Indirect · See Footnote

Disclosed balance after: 4,768,823

F1 · balance_after: Consists of 4,504,274 shares held of record by Menlo Ventures IX, L.P., 148,634 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 21,378 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 94,537 shares held of record by MMEF IX, L.P.

F2 · ownership.nature: 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: 0001124796-18-000037 · wf-form4_153670851115303.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,768,823

F1 · balance_after: Consists of 4,504,274 shares held of record by Menlo Ventures IX, L.P., 148,634 shares held of record by Menlo Entrepreneurs Fund IX, L.P., 21,378 shares held of record by Menlo Entrepreneurs Fund IX(A), L.P. and 94,537 shares held of record by MMEF IX, L.P.

F2 · 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: 0001124796-18-000036 · wf-form4_153670838397460.xml · nonDerivative · entry 1

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 4,437,667

F1 · balance_after: Consists of 4,367,557 shares held of record by Oak Investment Partners X, L.P., and 70,110 shares held of record by Oak X Affiliates Fund, L.P.

F2 · 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: 0001124796-18-000035 · wf-form4_153670747337878.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: Indirect · See Footnote

Disclosed balance after: 4,440,690

F1 · balance_after: All shares are 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 Entrepreneurs'' 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 managing members are the beneficial owner of such securities for Section 16 or any other purpose.

SEC source: 0001124796-18-000034 · wf-form4_153670743638946.xml · nonDerivative · entry 1

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: Indirect · See Footnote

Disclosed balance after: 4,437,667

F1 · balance_after: Consists of 4,367,557 shares held of record by Oak Investment Partners X, L.P., and 70,110 shares held of record by Oak X Affiliates Fund, L.P.

F2 · ownership.nature: 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.