Equity and Equity Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of Reserved Shares of Common Stock

We have reserved shares of common stock for future issuance under our 2017 EIP as follows:

	March 31, 2025	December 31, 2024
Stock options issued and outstanding	1,782,470	2,023,675
Restricted stock units outstanding	11,491,592	13,794,056
Shares available for future equity grants	15,450,831	8,252,747
Total shares reserved for future issuance	28,724,893	24,070,478

We have reserved shares of common stock for future issuance under our ESPP as follows:

	Three Months Ended March 31, 2025	Year Ended December 31, 2024
Shares available for issuance at beginning of period(1)	4,907,528	4,378,042
Shares issued during the period	—	(734,406)
Total shares available for future issuance at end of period	4,907,528	3,643,636

Schedule of Stock Option Activity

Option activity for the three months ended March 31, 2025 was as follows:

	Number of Options	Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life (Years)	Aggregate Intrinsic Value
Outstanding as of January 1, 2025	2,023,675	$	11.60	1.73	$	94
Options exercised	(240,865)	7.62
Options expired	(340)	8.10
Outstanding as of March 31, 2025	1,782,470	12.14		1.66	676
Options exercisable as of March 31, 2025	1,782,470	12.14		1.66	676

Schedule of Nonvested Restricted Stock Units Activity

Restricted stock unit activity for the three months ended March 31, 2025 was as follows:

	Restricted Stock Units	Weighted-Average Grant-Date Fair Value
Outstanding as of January 1, 2025	13,794,056	$	8.68
Granted	434,732	6.09
Vested	(1,476,640)	8.88
Forfeited or canceled	(1,260,556)	8.74
Outstanding or deferred as of March 31, 2025(1)	11,491,592	8.54

(1) Starting with the restricted stock units granted to them in June 2019, our non-employee directors have the option to defer the issuance of common stock receivable upon vesting of such restricted stock units until 60 days following the day they are no longer providing services to us or, if earlier, upon a change in control transaction. The amount reported as vested excludes restricted stock units that have vested but whose settlement into shares has been deferred. The amount reported as outstanding or deferred as of March 31, 2025 includes these restricted stock units. As no further conditions exist to prevent the issuance of the shares of common stock underlying these restricted stock units, the shares are included in basic and diluted weighted shares outstanding used to calculate net loss per share attributable to common stock. The amount of shares whose issuance have been deferred is not considered material and is not reported separately from stock-based compensation in our consolidated statements of changes in mezzanine equity and stockholders’ (deficit) equity.

Schedule of Allocation of Share-based Compensation Costs

Stock-based compensation expense associated with the PSUs was as follows:

	Three Months Ended March 31,
	2025		2024
PSU expense	$	1,075	$	773
Reassessment of achievement of performance conditions	—		(401)
Total expense	$	1,075	$	372

Stock-based compensation, net of forfeitures and the amount capitalized in website and software development costs were as follows:

	Three Months Ended March 31,
	2025		2024
Cost of revenue	$	2,607	$	2,739
Technology and development(1)	7,342		8,239
Marketing	904		1,431
General and administrative	4,509		5,000
Total stock-based compensation	15,362		17,409

(1) Net of $747 and $1,265 of stock-based compensation that was capitalized in the three months ended March 31, 2025 and 2024, respectively.