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Series F Redeemable Convertible Preferred Stock Financing

From August 2025 to September 2025, we sold an aggregate of 92,219,720 shares of our Series F-1 redeemable 
convertible  preferred  stock  at  a  purchase  price  of  $140.9676  per  share,  for  an  aggregate  purchase  price  of 
$12,999,992,602. The following table summarizes purchases of our Series F-1 redeemable convertible preferred 
stock by related persons:

Stockholder
Spark Capital (1)

Shares of
Series F-1
Redeemable
Convertible
Preferred
Stock

Total
Purchase
Price

439,817 $ 61,999,947

______________
(1) Shares  purchased  by  the  Spark  V  entities,  which  are  affiliates  of  Spark  Capital.  Yasmin  Razavi,  a  member  of  our  board  of 

directors, is a managing member of the General Partner of each Spark V entity.

Series E Redeemable Convertible Preferred Stock Financing

From  January  2025  to  March  2025,  we  sold  an  aggregate  of  63,610,106  shares  of  our  Series  E-1  redeemable 
convertible  preferred  stock  at  a  purchase  price  of  $56.0865  per  share,  for  an  aggregate  purchase  price  of 
$3,567,668,210. The following table summarizes purchases of our Series E-1 redeemable convertible preferred 
stock by related persons:

Stockholder
Spark Capital (1)

Shares of
Series E-1
Redeemable
Convertible
Preferred
Stock
1,782,959 $ 99,999,930

Total
Purchase
Price

______________
(1)

  Shares  purchased  by  the  Spark  V  entities,  which  are  affiliates  of  Spark  Capital.  Yasmin  Razavi,  a  member  of  our  board  of 
directors, is a managing member of the General Partner of each Spark V entity.

Series D Redeemable Convertible Preferred Stock Financing

From  January  2024  to  May  2024,  we  sold  an  aggregate  of  39,978,675  shares  of  our  Series  D-1  and  D-3 
redeemable  convertible  preferred  stock  at  a  purchase  price  of  $30.0045  per  share,  for  an  aggregate  purchase 
price  of  $1,199,540,154.  In  January  2024,  we  issued  33,328  shares  of  our  Series  D-1  redeemable  convertible 
preferred  stock  upon  conversion  of  a  SAFE  with  a  principal  amount  of  $1,000,000  at  a  purchase  price  of 
$30.0045  per  share.  The  following  table  summarizes  purchases  of  our  Series  D-1  redeemable  convertible 
preferred stock by related persons:

Stockholder
Spark Capital (1)

Shares of
Series D-1
Redeemable
Convertible
Preferred
Stock
2,499,624 $ 74,999,968

Total
Purchase
Price

______________
(1) Shares purchased by Spark Capital Growth Founders’ Fund IV, L.P. and Spark Capital Growth Fund IV, L.P. (each, a “Spark IV 
entity,”  and  collectively,  “Spark  IV  entities”),  which  are  affiliates  of  Spark  Capital.  Yasmin  Razavi,  a  member  of  our  board  of 
directors, is a managing member of the General Partner of each Spark IV entity.

Series C Redeemable Convertible Preferred Stock Financing

From  March  2023  to  June  2023,  we  sold  an  aggregate  of  39,669,823  shares  of  our  Series  C-1  and  C-2 
redeemable  convertible  preferred  stock  at  a  purchase  price  of  $11.2261  per  share,  for  an  aggregate  purchase 
price  of  $445,337,400.  In  March  2023,  we  issued  89,078  shares  of  our  Series  C-1  redeemable  convertible 
preferred  stock  upon  conversion  of  a  SAFE  with  a  principal  amount  of  $1,000,000  at  a  purchase  price  of 

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