Net Income per Share

9 Months Ended

Sep. 30, 2021

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



	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Numerator:
Net income attributable to Vicor Corporation	$	13,259	$	5,785	$	47,745	$	6,717

Denominator:
Denominator for basic net income per share-weighted average shares (1)		43,710		43,164		43,573		41,814
Effect of dilutive securities:
Employee stock options (2)		1,324		1,579		1,332		1,753

Denominator for diluted net income per share – adjusted weighted-average shares and assumed conversions		45,034		44,743		44,905		43,567

Basic net income per share	$	0.30	$	0.13	$	1.10	$	0.16

Diluted net income per share	$	0.29	$	0.13	$	1.06	$	0.15

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

(2)

Options to purchase 76,114 and 134,822 shares of Common Stock for the three and nine months ended September 30, 2021, respectively, and options to purchase 265,725 and 130,027 shares of Common Stock for the three and nine months ended September 30, 2020, respectively, were not included in the calculations of net income per share as the effect would have been antidilutive.