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Net Income per Share (Tables)

6 Months Ended

Jun. 30, 2021

Computation of Basic and Diluted Net Income Per Share

The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share amounts):


	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020

Numerator:
Net income attributable to Vicor Corporation	$	19,394	$	2,667	$	34,486	$	932

Denominator:
Denominator for basic net income per share-weighted average shares (1)		43,553		41,643		43,504		41,140
Effect of dilutive securities:
Employee stock options (2)		1,288		1,742		1,337		1,840

Denominator for diluted net income per share – adjusted weighted-average shares and assumed conversions		44,841		43,385		44,841		42,980

Basic net income per share	$	0.45	$	0.06	$	0.79	$	0.02

Diluted net income per share	$	0.43	$	0.06	$	0.77	$	0.02

(1)	Denominator represents weighted average number of shares of Common Stock and Class B Common Stock outstanding.

(2)

Options to purchase 138,125 and 90,339 shares of Common Stock for the three and six months ended June 30, 2021, respectively, and options to purchase 54,551 and 47,375 shares of Common Stock for the three and six months ended June 30, 2020, respectively, were not included in the calculations of net income per share as the effect would have been antidilutive.