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offering  price  range  set  forth  on  the  cover  page  of  this  prospectus,  and  an  assumed                    %  tax 
withholding rate) (the “RSU Settlement”).

The shares of our Class A common stock, Class N common stock, Class T common stock, and Class F common 
stock outstanding as of September 30, 2026 exclude the following: 

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           shares of our Class A common stock issuable upon the exercise of options to purchase shares of 
our  Class  A  common  stock  outstanding  as  of  September  30,  2026,  with  a  weighted-average  exercise 
price of $           per share; 

                     shares  of  our  Class  A  common  stock  issuable  upon  the  vesting  and  settlement  of  RSUs 
outstanding as of the date of this prospectus, but for which (i) the service-based vesting condition was 
not  satisfied  as  of  such  date  and  (ii)  the  performance-based  vesting  condition,  if  applicable,  will  be 
satisfied upon the effectiveness of the registration statement of which this prospectus forms a part; 

            shares of our Class A common stock issued after September 30, 2026 in connection with our 
acquisitions of privately-held companies; and

           shares of our Class A common stock reserved for future issuance under our equity compensation 
plans, consisting of: 

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           shares of our Class A common stock reserved for future issuance upon conversion of Class N 
common  stock  issuable  under  our  Donation  Matching  Plan  (as  amended  and  restated,  the 
“Donation Matching Plan”);

                     shares  of  our  Class  A  common  stock  to  be  reserved  for  future  issuance  under  our  2026 
Equity  Incentive  Plan  (our  “2026  Plan”),  which  will  become  effective  prior  to  the  completion  of 
this offering; 

           shares of our Class A common stock reserved for future issuance under our Amended and 
Restated 2021 Stock Plan (our “2021 Plan”) as of September 30, 2026, which number of shares will 
be added to the shares of our Class A common stock to be reserved for future issuance under our 
2026 Plan upon its effectiveness, at which time we will cease granting awards under our 2021 Plan; 
and

                     shares  of  our  Class  A  common  stock  to  be  reserved  for  future  issuance  under  our  2026 
Employee Stock Purchase Plan (our “ESPP”), which will become effective prior to the completion 
of this offering. 

Our 2026 Plan and ESPP each provide for an annual automatic increase in the number of shares of our Class A 
common stock reserved thereunder, and our 2026 Plan provides for increases to the number of shares that may 
be  granted  thereunder  based  on  awards  under  our  2021  Plan  that  expire  or  are  cancelled  or  forfeited,  and 
shares  under  our  2021  Plan  that  are  tendered  to  or  withheld  by  us  for  payment  of  an  exercise  price  or  for 
satisfying tax withholding obligations or are forfeited or otherwise repurchased by us, as more fully described in 
the section titled “Executive Compensation—Equity Plans.” 

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