Net income per share

9 Months Ended

Sep. 30, 2025

Basic and diluted income per share is computed by dividing net income by the weighted-average shares outstanding:


	Three Months Ended September 30,				Nine Months Ended September 30,
	2025		2024		2025		2024
Numerator:
Net income	$	7,045	$	16,089	$	31,446	$	22,524
Denominator:
Basic Shares:
Weighted-average shares outstanding	166,473,735		161,663,506		165,056,742		160,528,610
Diluted Shares:
Basic weighted-average shares outstanding	166,473,735		161,663,506		165,056,742		160,528,610
Dilutive effect of stock-based awards	3,326,974		3,420,602		3,218,887		4,106,466
Weighted-average diluted shares outstanding	169,800,709		165,084,108		168,275,629		164,635,076
Net income per share:
Basic	$	0.04	$	0.10	$	0.19	$	0.14
Diluted	$	0.04	$	0.10	$	0.19	$	0.14

The following potential outstanding equity awards were excluded from the computation of diluted net income per share attributable to common stockholders for the periods presented given that their inclusion would have been anti-dilutive. Since the conditions associated with the vesting of the Return Target Options have not occurred as of the reporting date, such equity awards are excluded from the table below.


	Three Months Ended September 30,		Nine Months Ended September 30,
	2025	2024	2025	2024
Options to purchase common stock	1,002,162	1,175,071	1,038,329	1,187,222
Restricted stock units	5,190,939	544,113	6,208,353	3,309,333
Market stock units	—	4,447,652	232,603	1,630,057

Total	6,193,101	6,166,836	7,479,285	6,126,612

INTEGRAL AD SCIENCE HOLDING CORP. 10-Q