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


	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2026		2025		2026		2025

Numerator:
Net income attributable to Vicor Corporation	$	49,772	$	41,192	$	70,436	$	43,731
Denominator:
Denominator for basic net income per share – weighted average shares (1)		45,936		45,007		45,703		45,112
Effect of dilutive securities:
Employee stock options (2)		1,772		70		1,778		174
Denominator for diluted net income per share – adjusted weighted-average shares and assumed conversions		47,708		45,077		47,481		45,286

Basic net income per share	$	1.08	$	0.92	$	1.54	$	0.97
Diluted net income per share	$	1.04	$	0.91	$	1.48	$	0.97

(1)

Denominator represents the weighted average number of shares of Common Stock and Class B Common Stock outstanding.

(2)

Options to purchase 97,985 and 62,447 shares of Common Stock for the three and six months ended June 30, 2026, respectively, were not included in the calculation of net income per share as the effect would have been antidilutive. Options to purchase 2,170,585 and 1,353,021 shares of Common Stock for each of the three and six months ended June 30, 2025, respectively, were not included in the calculation of net income per share as the effect would have been antidilutive.