For the three months ended June 30, 2022 and 2021 and for the six months ended June 30, 2022 and 2021, stock compensation expense by award type and where the stock compensation expense was recognized in the Company’s Unaudited Condensed Consolidated Income Statements is as follows:


	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Options	$	646	$	635	$	1,290	$	1,252
Restricted stock units		12,786		13,944		26,289		27,687
CO Incentive Units and Subject Units		13,025		7,961		26,720		8,994
Total	$	26,457	$	22,540	$	54,299	$	37,933


	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Cost of revenue	$	69	$	109	$	205	$	201
Sales and marketing expense		4,086		3,571		8,069		6,323
Product, technology, and development expense		6,151		6,230		12,519		12,002
General and administrative expense		16,151		12,630		33,506		19,407
Total	$	26,457	$	22,540	$	54,299	$	37,933

For the three months ended June 30, 2022 and 2021 and for the six months ended June 30, 2022 and 2021, excluded from stock-based compensation expense is $1,265, $866, $2,471, and $1,435 of capitalized website development costs, capitalized internal-use software costs and capitalized hosting arrangements, respectively.

During the three months ended June 30, 2022 and 2021 and the six months ended June 30, 2022 and 2021, the Company withheld 147,533, 126,703, 303,269, and 289,653 shares of Class A common stock, respectively, to satisfy employee tax withholding requirements for net share settlements of equity awards. The shares withheld return to the authorized, but unissued pool under the Company's Omnibus Incentive Compensation Plan and can be reissued by the Company. For the three months ended June 30, 2022 and 2021 and for the six months ended June 30, 2022 and 2021, total payments to satisfy employee tax withholding requirements and for option exercise costs due to net share settlements and cashless exercises of options were $5,830, $3,167, $11,260, and $8,208, respectively, and are reflected as a financing activity in the Unaudited Condensed Consolidated Statements of Cash Flows.