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Net Income Per Common Share (Tables)

9 Months Ended

Sep. 28, 2025

Computation of Basic and Diluted Net Income (Loss) Per Common Share

The following table sets forth the computation of basic and diluted net income per common share:


	For the Three Months Ended				For the Nine Months Ended
	September 28, 2025		September 29, 2024		September 28, 2025		September 29, 2024
	(in thousands, except per share amounts)				(in thousands, except per share amounts)
Net income for basic and diluted net income per share	$	119,558	$	145,649	$	296,827	$	396,119
Weighted average common shares-basic		158,595		163,002		160,021		157,951
Effect of dilutive potential common shares:
Restricted stock units		495		768		366		637
Stock options		4		13		3		13
Employee stock purchase plan		3		10		19		5
Convertible note hedge warrant shares (1)		—		460		—		4,751
Dilutive potential common shares		502		1,251		388		5,406
Weighted average common shares-diluted		159,097		164,253		160,409		163,357
Net income per common share-basic	$	0.75	$	0.89	$	1.85	$	2.51
Net income per common share-diluted	$	0.75	$	0.89	$	1.85	$	2.42

(1)

Convertible notes hedge warrant shares were calculated using the difference between the average Teradyne stock price for the period and the warrant price, multiplied by the number of warrant shares. The result of this calculation, representing the total intrinsic value of the warrant, was divided by the average Teradyne stock price for the period.