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Subsequent event
9 Months Ended
Sep. 30, 2024
Subsequent Events [Abstract]  
Subsequent event Subsequent event
Arista’s board of directors has approved a four-for-one forward stock split to make Arista’s common stock more accessible to a broader base of investors.
The four-for-one forward stock split will be effected through the filing of an amendment to Arista’s Amended and Restated Certificate of Incorporation that will proportionately increase the authorized shares of common stock.
Our stockholders will receive an additional three shares of common stock for each share held as of the effective time of the filing of the amendment on December 3, 2024. Prior to market open on December 4, 2024, trading is expected to commence on a split-adjusted basis. The following table reflects basic and diluted weighted average shares and net income per share on an unaudited pro forma basis giving effect to the stock split as if it had been effective for all periods presented (in thousands, except per share amounts).
Pro Forma (Unaudited)
Three Months Ended September 30,Nine Months Ended September 30,
2024202320242023
Numerator:
Net income$747,938 $545,327 $2,051,058 $1,473,685 
Denominator:
Basic weighted-average shares outstanding 1,257,928 1,240,740 1,254,968 1,234,408 
Add weighted-average effect of dilutive securities:
    Employee equity awards23,864 29,784 25,344 31,848 
Diluted weighted-average shares outstanding 1,281,792 1,270,524 1,280,312 1,266,256 
Net income per share:
         Basic $0.59 $0.44 $1.63 $1.19 
         Diluted $0.58 $0.43 $1.60 $1.16