Lightspeed General Partner Select, L.P.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 4

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 15,608,645

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F10 · ownership.nature: The shares are held of record by Lightspeed SPV II, LLC, or Lightspeed SPV II. LS SPV Management, LLC, or LS SPV Mgmt, is the manager of Lightspeed SPV II. Messrs. Eggers, Mhatre and Nieh, the managers of LS SPV Mgmt, share voting and dispositive power with respect to the shares held of record by Lightspeed SPV II. Each of LS SPV Mgmt and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 3

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 7,508,890

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F6 · price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F9 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select II, L.P., or Lightspeed Select II. Lightspeed General Partner Select II, L.P., or Lightspeed GP Select II, is the general partner of Lightspeed Select II and Lightspeed Ultimate General Partner Select II, Ltd., or Lightspeed UGP Select II, is the general partner of Lightspeed GP Select II. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select II, share voting and investment power with respect to the shares held of record by Lightspeed Select II. Each of Lightspeed GP Select II, Lightspeed UGP Select II and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 2

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 8,818,610

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F5 · price: Each share of Series D Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F6 · price: Each share of Series E Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F7 · price: Each share of Series F Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F8 · ownership.nature: The shares are held of record by Lightspeed Venture Partners Select, L.P., or Lightspeed Select. Lightspeed General Partner Select, L.P., or Lightspeed GP Select, is the general partner of Lightspeed Select and Lightspeed Ultimate General Partner Select, Ltd., or Lightspeed UGP Select, is the general partner of Lightspeed GP Select. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP Select, share voting and investment power with respect to the shares held of record by Lightspeed Select. Each of Lightspeed GP Select, Lightspeed UGP Select and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001104659-25-092241 · tm2526612-14_4seq1.xml · nonDerivative · entry 1

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select II, L.P. · CIK 0001668017 · 10% owner

Lightspeed General Partner Select II, L.P. · CIK 0001744936 · 10% owner

Lightspeed Ultimate General Partner Select II, Ltd. · CIK 0001744937 · 10% owner

Lightspeed Opportunity Fund, L.P. · CIK 0001780948 · 10% owner

Lightspeed General Partner Opportunity Fund, L.P. · CIK 0001980478 · 10% owner

Lightspeed Ultimate General Partner Opportunity Fund, Ltd. · CIK 0001980477 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See footnote

Disclosed balance after: 20,231,286

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 · security: Pursuant to a reclassification exempt under Rule 16b-7, each share of Common Stock was reclassified into one share of Class B Common Stock immediately prior to the completion of the Issuer's initial public offering of Class A Common Stock (the "IPO").

F2 · price: Each share of Series B Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F3 · price: Each share of Series C Convertible Preferred Stock converted into Common Stock on a one-to-one basis prior to the completion of the IPO and had no expiration date.

F4 · ownership.nature: The shares are held of record by Lightspeed Venture Partners IX, L.P., or Lightspeed IX. Lightspeed General Partner IX, L.P., or Lightspeed GP IX, is the general partner of Lightspeed IX and Lightspeed Ultimate General Partner IX, Ltd., or Lightspeed UGP IX, is the general partner of Lightspeed GP IX. Messrs. Eggers, Mhatre and Nieh, the directors of Lightspeed UGP IX, share voting and investment power with respect to the shares held of record by Lightspeed IX. Each of Lightspeed GP IX, Lightspeed UGP IX and Messrs. Eggers, Mhatre and Nieh disclaims beneficial ownership of these shares except to the extent of its or his respective pecuniary interest therein.

SEC source: 0001209191-21-031900 · doc4.xml · derivative · entry 11

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 64,882 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.

F7 · price: The shares of Series E Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series E Preferred Stock had no expiration date.

F7 · derivative.exercise_date: The shares of Series E Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series E Preferred Stock had no expiration date.

F7 · derivative.expiration_date: The shares of Series E Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series E Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · derivative · entry 10

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: Common Stock · 546,874 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.

F6 · price: The shares of Series C Preferred Stock automatically converted into shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering on a 1-1.056925 basis. The shares of Series C Preferred Stock had no expiration date.

F6 · derivative.exercise_date: The shares of Series C Preferred Stock automatically converted into shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering on a 1-1.056925 basis. The shares of Series C Preferred Stock had no expiration date.

F6 · derivative.expiration_date: The shares of Series C Preferred Stock automatically converted into shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering on a 1-1.056925 basis. The shares of Series C Preferred Stock had no expiration date.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · derivative · entry 9

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · 955,276 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.

F7 · price: The shares of Series E Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series E Preferred Stock had no expiration date.

F7 · derivative.exercise_date: The shares of Series E Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series E Preferred Stock had no expiration date.

F7 · derivative.expiration_date: The shares of Series E Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series E Preferred Stock had no expiration date.

F1 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · derivative · entry 8

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · 109,374 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.

F6 · price: The shares of Series C Preferred Stock automatically converted into shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering on a 1-1.056925 basis. The shares of Series C Preferred Stock had no expiration date.

F6 · derivative.exercise_date: The shares of Series C Preferred Stock automatically converted into shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering on a 1-1.056925 basis. The shares of Series C Preferred Stock had no expiration date.

F6 · derivative.expiration_date: The shares of Series C Preferred Stock automatically converted into shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering on a 1-1.056925 basis. The shares of Series C Preferred Stock had no expiration date.

F1 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · derivative · entry 7

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · 227,578 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 · price: The shares of Series B Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series B Preferred Stock had no expiration date.

F5 · derivative.exercise_date: The shares of Series B Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series B Preferred Stock had no expiration date.

F5 · derivative.expiration_date: The shares of Series B Preferred Stock automatically converted into an equal number of shares of common stock of the issuer immediately prior to the issuer's initial public offering. The shares of Series B Preferred Stock had no expiration date.

F1 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · derivative · entry 6

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · 825,288 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 · price: The shares of Series A-1 Preferred Stock automatically converted into an equal number shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering. The shares of Series A-1 Preferred Stock had no expiration date.

F4 · derivative.exercise_date: The shares of Series A-1 Preferred Stock automatically converted into an equal number shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering. The shares of Series A-1 Preferred Stock had no expiration date.

F4 · derivative.expiration_date: The shares of Series A-1 Preferred Stock automatically converted into an equal number shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering. The shares of Series A-1 Preferred Stock had no expiration date.

F1 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · derivative · entry 5

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 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 · 7,522,038 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 · price: The shares of Series A Preferred Stock automatically converted into an equal number shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering. The shares of Series A Preferred Stock had no expiration date.

F3 · derivative.exercise_date: The shares of Series A Preferred Stock automatically converted into an equal number shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering. The shares of Series A Preferred Stock had no expiration date.

F3 · derivative.expiration_date: The shares of Series A Preferred Stock automatically converted into an equal number shares of common stock of the issuer immediately prior to consummation of the issuer's initial public offering. The shares of Series A Preferred Stock had no expiration date.

F1 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · nonDerivative · entry 4

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 529,108

F2 · ownership.nature: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · nonDerivative · entry 3

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 611,756

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 · ownership.nature: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · nonDerivative · entry 2

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,272,192

F1 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001209191-21-031900 · doc4.xml · nonDerivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,639,554

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 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001104659-19-037645 · a4.xml · derivative · entry 6

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 1,958,726 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 Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · kind: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · price: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.exercise_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.expiration_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F3 · ownership.direct: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

F3 · ownership.nature: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

SEC source: 0001104659-19-037645 · a4.xml · derivative · entry 5

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 822,435 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 Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · kind: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · price: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.exercise_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.expiration_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001104659-19-037645 · a4.xml · derivative · entry 4

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 978,260 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 Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · kind: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · price: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.exercise_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.expiration_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001104659-19-037645 · a4.xml · derivative · entry 3

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 0

Underlying: Common Stock · 2,317,073 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 Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · kind: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · price: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.exercise_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · derivative.expiration_date: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001104659-19-037645 · a4.xml · nonDerivative · entry 2

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnote

Disclosed balance after: 1,958,726

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

F1 · kind: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · price: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F3 · ownership.direct: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

F3 · ownership.nature: Shares held by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("LGP Select") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the general partner of LGP Select. Barry Eggers, Jeremy Liew, Ravi Mhatre and Peter Nieh are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Select. LGP Select, LUGP Select and Messrs. Eggers, Liew, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed Select except to the extent of their respective pecuniary interests therein.

SEC source: 0001104659-19-037645 · a4.xml · nonDerivative · entry 1

LIGHTSPEED VENTURE PARTNERS VIII LP · CIK 0001435573 · 10% owner

Lightspeed General Partner VIII, L.P. · CIK 0001522569 · 10% owner

Lightspeed Ultimate General Partner VIII, Ltd. · CIK 0001522568 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Liew Jeremy · CIK 0001700539 · 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: 4,117,768

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

F1 · kind: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F1 · price: The Issuer's preferred stock automatically converted into an equal number of shares of the Issuer's common stock, for no additional consideration, upon the closing of the Issuer's initial public offering and has no expiration date.

F2 · ownership.direct: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

F2 · ownership.nature: Shares held by Lightspeed Venture Partners VIII, L.P. ("Lightspeed VIII"). Lightspeed General Partner VIII, L.P. ("LGP VIII") is the general partner of Lightspeed VIII. Lightspeed Ultimate General Partner VIII, Ltd. ("LUGP VIII") is the general partner of LGP VIII. Barry Eggers, Ravi Mhatre and Peter Nieh are the directors of LUGP VIII and share voting and dispositive power with respect to the shares held by Lightspeed VIII. LGP VIII, LUGP VIII and Messrs. Eggers, Mhatre and Nieh disclaim beneficial ownership of the shares held by Lightspeed VIII except to the extent of their respective pecuniary interests therein.

SEC source: 0001628280-18-012468 · wf-form4_153927856828683.xml · derivative · entry 6

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: COMMON STOCK · 44,866 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 shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.exercise_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.expiration_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F2 · ownership.nature: The shares are directly held by Lightspeed Venture Partners Select, L.P. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the sole general partner of Lightspeed General Partner Select, L.P., which is the sole general partner of Lightspeed Venture Partners Select, L.P. Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and Christopher J. Schaepe are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Venture Partners Select, L.P. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-18-012468 · wf-form4_153927856828683.xml · derivative · entry 5

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: COMMON STOCK · 508,497 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 shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.exercise_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.expiration_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F2 · ownership.nature: The shares are directly held by Lightspeed Venture Partners Select, L.P. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the sole general partner of Lightspeed General Partner Select, L.P., which is the sole general partner of Lightspeed Venture Partners Select, L.P. Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and Christopher J. Schaepe are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Venture Partners Select, L.P. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-18-012468 · wf-form4_153927856828683.xml · derivative · entry 4

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

Underlying: COMMON STOCK · 2,046,035 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 shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · price: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.exercise_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F1 · derivative.expiration_date: The shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F2 · ownership.nature: The shares are directly held by Lightspeed Venture Partners Select, L.P. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the sole general partner of Lightspeed General Partner Select, L.P., which is the sole general partner of Lightspeed Venture Partners Select, L.P. Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and Christopher J. Schaepe are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Venture Partners Select, L.P. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-18-012468 · wf-form4_153927856828683.xml · nonDerivative · entry 3

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 2,599,398

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 shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F2 · ownership.nature: The shares are directly held by Lightspeed Venture Partners Select, L.P. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the sole general partner of Lightspeed General Partner Select, L.P., which is the sole general partner of Lightspeed Venture Partners Select, L.P. Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and Christopher J. Schaepe are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Venture Partners Select, L.P. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-18-012468 · wf-form4_153927856828683.xml · nonDerivative · entry 2

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 2,554,532

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 shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F2 · ownership.nature: The shares are directly held by Lightspeed Venture Partners Select, L.P. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the sole general partner of Lightspeed General Partner Select, L.P., which is the sole general partner of Lightspeed Venture Partners Select, L.P. Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and Christopher J. Schaepe are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Venture Partners Select, L.P. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001628280-18-012468 · wf-form4_153927856828683.xml · nonDerivative · entry 1

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Mhatre Ravi · CIK 0001366050 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 2,046,035

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 shares of Preferred Stock automatically converted into shares of the Issuer's Common Stock, for no additional consideration, at the then-effective conversion rate for no additional consideration (subject to the payment of cash in lieu of any fractional shares in accordance with the Certificate of Incorporation) immediately prior to the consummation of the Issuer's initial public offering, and have no expiration date.

F2 · ownership.nature: The shares are directly held by Lightspeed Venture Partners Select, L.P. Lightspeed Ultimate General Partner Select, Ltd. ("LUGP Select") is the sole general partner of Lightspeed General Partner Select, L.P., which is the sole general partner of Lightspeed Venture Partners Select, L.P. Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh and Christopher J. Schaepe are the directors of LUGP Select and share voting and dispositive power with respect to the shares held by Lightspeed Venture Partners Select, L.P. Each Reporting Person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 or for any other purposes.

SEC source: 0001209191-17-062958 · doc4.xml · derivative · entry 19

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 3,171,808

Underlying: Class A Common Stock · 400,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · derivative.exercise_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · derivative.expiration_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F9 · ownership.nature: Lightspeed Ultimate General Partner Select, Ltd. is the sole general partner of Lightspeed General Partner Select, L.P. ("LGP Select"), which is the sole general partner of Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). The individual directors of Lightspeed Ultimate General Partner Select, Ltd. are Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh, Christopher J. Schaepe and John Vrionis. Messrs. Eggers, Liew, Mhatre, Nieh, Schaepe and Vrionis disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F10 · ownership.nature: The shares are held of record by Lightspeed Select.

SEC source: 0001209191-17-062958 · doc4.xml · derivative · entry 18

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture partners VII, L.P.

Disclosed balance after: 14,047,715

Underlying: Class A Common Stock · 1,700,000 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · derivative.exercise_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · derivative.expiration_date: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed Venture Partners VII, L.P. ("Lightspeed VII"). The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F3 · ownership.nature: The shares are held of record by Lightspeed VII.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 17

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By John Vrionis

Disclosed balance after: 945

F13 · kind: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F13 · price: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 16

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Jeremy Liew

Disclosed balance after: 945

F13 · kind: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F13 · price: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 15

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Schaepe-Chiu Investments I LP - Fund 2

Disclosed balance after: 567

F13 · kind: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F13 · price: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F16 · ownership.nature: The shares are held of record by Schaepe-Chiu Investments I LP-Fund 2. Christopher J. Schaepe serves as co-trustee of the general partner of such entity.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 14

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By The Schaepe-Chiu Living Trust dated 11/5/97

Disclosed balance after: 378

F13 · kind: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F13 · price: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F8 · ownership.nature: The shares are held of record by The Schaepe-Chiu Living Trust Dated November 5, 1997, for which Christopher J. Schaepe serves as co-trustee.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 13

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Nieh Investments LP - Fund 3

Disclosed balance after: 945

F13 · kind: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F13 · price: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F15 · ownership.nature: The shares are held of record by Nieh Family Investments LP-Fund 3. Peter Nieh serves as co-trustee of the general partner of such entity.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 12

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Eggers Investments LP - Fund 2

Disclosed balance after: 945

F13 · kind: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F13 · price: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F14 · ownership.nature: The shares are held of record by Eggers Investments LP-Fund 2. Barry Eggers serves as trustee of the general partner of such entity.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 11

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner Select, L.P.

Disclosed balance after: 0

F13 · kind: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F13 · price: Represents in-kind distribution by LGP Select without consideration to its partners (including Messrs. Schaepe, Eggers, Liew, Mhatre, Nieh and Vrionis).

F9 · ownership.nature: Lightspeed Ultimate General Partner Select, Ltd. is the sole general partner of Lightspeed General Partner Select, L.P. ("LGP Select"), which is the sole general partner of Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). The individual directors of Lightspeed Ultimate General Partner Select, Ltd. are Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh, Christopher J. Schaepe and John Vrionis. Messrs. Eggers, Liew, Mhatre, Nieh, Schaepe and Vrionis disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F12 · ownership.nature: The shares are held of record by LGP Select.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 10

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner Select, L.P.

Disclosed balance after: 6,033

F11 · kind: Represents in-kind distribution by Lightspeed Select without consideration to its partners (including LGP Select, the general partner of Lightspeed Select).

F11 · price: Represents in-kind distribution by Lightspeed Select without consideration to its partners (including LGP Select, the general partner of Lightspeed Select).

F9 · ownership.nature: Lightspeed Ultimate General Partner Select, Ltd. is the sole general partner of Lightspeed General Partner Select, L.P. ("LGP Select"), which is the sole general partner of Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). The individual directors of Lightspeed Ultimate General Partner Select, Ltd. are Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh, Christopher J. Schaepe and John Vrionis. Messrs. Eggers, Liew, Mhatre, Nieh, Schaepe and Vrionis disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F12 · ownership.nature: The shares are held of record by LGP Select.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 9

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 0

F11 · kind: Represents in-kind distribution by Lightspeed Select without consideration to its partners (including LGP Select, the general partner of Lightspeed Select).

F11 · price: Represents in-kind distribution by Lightspeed Select without consideration to its partners (including LGP Select, the general partner of Lightspeed Select).

F9 · ownership.nature: Lightspeed Ultimate General Partner Select, Ltd. is the sole general partner of Lightspeed General Partner Select, L.P. ("LGP Select"), which is the sole general partner of Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). The individual directors of Lightspeed Ultimate General Partner Select, Ltd. are Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh, Christopher J. Schaepe and John Vrionis. Messrs. Eggers, Liew, Mhatre, Nieh, Schaepe and Vrionis disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F10 · ownership.nature: The shares are held of record by Lightspeed Select.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 8

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners Select, L.P.

Disclosed balance after: 400,000

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

F1 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F9 · ownership.nature: Lightspeed Ultimate General Partner Select, Ltd. is the sole general partner of Lightspeed General Partner Select, L.P. ("LGP Select"), which is the sole general partner of Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). The individual directors of Lightspeed Ultimate General Partner Select, Ltd. are Barry Eggers, Jeremy Liew, Ravi Mhatre, Peter Nieh, Christopher J. Schaepe and John Vrionis. Messrs. Eggers, Liew, Mhatre, Nieh, Schaepe and Vrionis disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F10 · ownership.nature: The shares are held of record by Lightspeed Select.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 7

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By the Schaepe-Chiu Living Trust dated 11/5/97

Disclosed balance after: 57,839

F6 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F6 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F8 · ownership.nature: The shares are held of record by The Schaepe-Chiu Living Trust Dated November 5, 1997, for which Christopher J. Schaepe serves as co-trustee.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 6

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Peter Y. Nieh

Disclosed balance after: 57,839

F6 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F6 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 5

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Barry Eggers Revocable Trust dtd 6/4/2008

Disclosed balance after: 57,839

F6 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F6 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F7 · ownership.nature: The shares are held of record by Barry Eggers Revocable Trust dtd 6/4/2008, for which Barry Eggers serves as trustee.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 4

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner VII, L.P.

Disclosed balance after: 0

F6 · kind: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F6 · price: Represents in-kind distribution by LGP VII without consideration to its partners (including Messrs. Schaepe, Eggers, Mhatre, and Nieh).

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed Venture Partners VII, L.P. ("Lightspeed VII"). The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F5 · ownership.nature: The shares are held of record by LGP VII.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 3

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed General Partner VII, L.P.

Disclosed balance after: 395,670

F4 · kind: Represents in-kind distribution by Lightspeed VII without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F4 · price: Represents in-kind distribution by Lightspeed VII without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed Venture Partners VII, L.P. ("Lightspeed VII"). The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F5 · ownership.nature: The shares are held of record by LGP VII.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 2

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · By Lightspeed Venture Partners VII, L.P.

Disclosed balance after: 0

F4 · kind: Represents in-kind distribution by Lightspeed VII without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F4 · price: Represents in-kind distribution by Lightspeed VII without consideration to its partners (including LGP VII, the general partner of Lightspeed VII).

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed Venture Partners VII, L.P. ("Lightspeed VII"). The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F3 · ownership.nature: The shares are held of record by Lightspeed VII.

SEC source: 0001209191-17-062958 · doc4.xml · nonDerivative · entry 1

Lightspeed Venture Partners VII, L.P. · CIK 0001347126 · 10% owner

Lightspeed General Partner VII, L.P. · CIK 0001602663 · 10% owner

Lightspeed Ultimate General Partner VII, Ltd. · CIK 0001602662 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · by Lightspeed Venture Partners VII, L.P.

Disclosed balance after: 1,700,000

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

F1 · kind: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F1 · price: Represents conversion of shares of the Issuer's Class B Common Stock into shares of the Issuer's Class A Common Stock on a 1-for-1 basis. The convertibility of the Class B Common Stock has no expiration date.

F2 · ownership.nature: Lightspeed Ultimate General Partner VII, Ltd. is the sole general partner of Lightspeed General Partner VII, L.P. ("LGP VII"), which is the sole general partner of Lightspeed Venture Partners VII, L.P. ("Lightspeed VII"). The individual directors of Lightspeed Ultimate General Partner VII, Ltd. are Christopher J. Schaepe, Barry Eggers, Ravi Mhatre and Peter Nieh. Messrs. Schaepe, Eggers, Mhatre, and Nieh disclaim their beneficial ownership of the shares except to the extent of their pecuniary interest therein.

F3 · ownership.nature: The shares are held of record by Lightspeed VII.

SEC source: 0001209191-17-022467 · doc4.xml · derivative · entry 12

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Vrionis John · CIK 0001700541 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 3,571,808

Underlying: Class A Common Stock · 3,571,808 shares

Expires not disclosed

F6 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F10 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F9 · ownership.direct: The shares are held of record by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("Select GP") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("Select UGP") is the general partner of Select GP. Barry Eggers, Christopher Schaepe, Jeremy Liew, John Vrionis, Peter Nieh and Ravi Mhatre are the managing directors of Select UGP and share voting and dispositive power with respect to the shares held of record by Lightspeed Select. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-022467 · doc4.xml · derivative · entry 11

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Vrionis John · CIK 0001700541 · 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: 15,747,715

Underlying: Class A Common Stock · 15,747,715 shares

Expires not disclosed

F6 · security: Immediately prior to the closing of the Issuer's initial public offering and following the conversion of each series of the Issuer's convertible preferred stock into Common Stock, each share of Common Stock was reclassified into one share of Class B Common Stock in an exempt transaction pursuant to Rule 16b-7.

F10 · security: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.exercise_price: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.exercise_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F10 · derivative.expiration_date: Each share of Class B Common Stock is convertible into one share of Class A Common Stock at the option of the holder and has no expiration date.

F5 · ownership.nature: The shares are held of record by Lightspeed Venture Partners VII, L.P. ("Lightspeed VII"). Lightspeed General Partner VII, L.P. ("Lightspeed GP") is the general partner of Lightspeed VII. Lightspeed Ultimate General Partner VII, Ltd. ("Lightspeed UGP") is the general partner of Lightspeed GP. Barry Eggers, Ravi Mhatre, Peter Nieh and Christopher Schaepe are the managing directors of Lightspeed UGP and share voting and dispositive power with respect to the shares held of record by Lightspeed VII. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-022467 · doc4.xml · derivative · entry 10

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Vrionis John · CIK 0001700541 · 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 · 890,689 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.

F8 · security: The Series G Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F8 · derivative.exercise_price: The Series G Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F8 · derivative.exercise_date: The Series G Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F8 · derivative.expiration_date: The Series G Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F9 · ownership.direct: The shares are held of record by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("Select GP") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("Select UGP") is the general partner of Select GP. Barry Eggers, Christopher Schaepe, Jeremy Liew, John Vrionis, Peter Nieh and Ravi Mhatre are the managing directors of Select UGP and share voting and dispositive power with respect to the shares held of record by Lightspeed Select. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.

SEC source: 0001209191-17-022467 · doc4.xml · derivative · entry 9

Lightspeed Venture Partners Select, L.P. · CIK 0001602575 · 10% owner

Lightspeed General Partner Select, L.P. · CIK 0001700551 · 10% owner

Lightspeed Ultimate General Partner Select, Ltd. · CIK 0001700544 · 10% owner

Eggers Barry · CIK 0001366048 · 10% owner

Liew Jeremy · CIK 0001700539 · 10% owner

Nieh Peter · CIK 0001366051 · 10% owner

SCHAEPE CHRISTOPHER J · CIK 0001185068 · 10% owner

Vrionis John · CIK 0001700541 · 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 · 2,066,115 shares

Expires not disclosed

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

F7 · security: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.exercise_price: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.exercise_date: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F7 · derivative.expiration_date: The Series F Preferred Stock automatically converted into Common Stock on a 1:1 basis immediately prior to the closing of the Issuer's initial public offering and had no expiration date.

F9 · ownership.direct: The shares are held of record by Lightspeed Venture Partners Select, L.P. ("Lightspeed Select"). Lightspeed General Partner Select, L.P. ("Select GP") is the general partner of Lightspeed Select. Lightspeed Ultimate General Partner Select, Ltd. ("Select UGP") is the general partner of Select GP. Barry Eggers, Christopher Schaepe, Jeremy Liew, John Vrionis, Peter Nieh and Ravi Mhatre are the managing directors of Select UGP and share voting and dispositive power with respect to the shares held of record by Lightspeed Select. Each reporting person disclaims beneficial ownership of such shares except to the extent of his or its pecuniary interest therein.